[{"i":"Xnhw5","f":"r1br2k1/p1p2ppp/1p1q4/2p1n3/4PQ2/2P5/PPB2PPP/RN3RK1 w - - 2 16","m":"f1d1 d6d1 c2d1 d8d1","r":954,"t":"backRankMate mate mateIn2 middlegame short"},{"i":"rwaTd","f":"3r2k1/pp3ppp/8/8/3q4/6Q1/PPr2PPP/3R2K1 w - - 0 22","m":"d1d4 c2c1 d4d1 c1d1","r":974,"t":"backRankMate endgame mate mateIn2 queenRookEndgame short"},{"i":"E8GGO","f":"2r4k/pRR3pp/3p4/8/6Pq/4P3/P5P1/6K1 b - - 9 34","m":"c8c7 b7b8 c7c8 b8c8 h4d8 c8d8","r":967,"t":"backRankMate endgame long mate mateIn3 queenRookEndgame"},{"i":"1dF1I","f":"2r3k1/p1p2ppp/2bp4/n4Q2/2PPB3/q3P1P1/4NP1P/5RK1 b - - 4 20","m":"c6e4 f5c8","r":924,"t":"backRankMate hangingPiece mate mateIn1 middlegame oneMove"},{"i":"Ae8E6","f":"3r3k/pp4pp/2q5/3p2Q1/PP5n/1PP2r2/6PP/2BR2K1 b - - 1 31","m":"f3c3 g5d8 c6e8 d8e8","r":915,"t":"backRankMate fork hangingPiece mate mateIn2 middlegame short"},{"i":"th9iR","f":"3r2k1/ppn2ppp/3P4/2p5/8/5N2/PP3PPP/3R2K1 w - - 0 21","m":"d6c7 d8d1 f3e1 d1e1","r":947,"t":"backRankMate endgame hangingPiece mate mateIn2 short"},{"i":"26Fy9","f":"5r1k/4Q1p1/p2p3p/P2P4/8/8/6PP/4Rq1K w - - 4 34","m":"e1f1 f8f1","r":885,"t":"backRankMate endgame mate mateIn1 oneMove queenRookEndgame"},{"i":"u8bO1","f":"3r2k1/1p3ppp/2n1p3/PN6/8/3rP3/R4PPP/5RK1 w - - 3 27","m":"f1a1 d3d1 a1d1 d8d1","r":815,"t":"backRankMate endgame mate mateIn2 short"},{"i":"w0LVk","f":"5bk1/p6p/6p1/1p2rp2/2N5/2P2P2/PP4PP/3r1RK1 w - - 0 25","m":"c4e5 f8c5 g1h1 d1f1","r":932,"t":"backRankMate deflection endgame master mate mateIn2 short"},{"i":"neKLs","f":"Q4rk1/p5pp/4p3/2p5/P7/4P3/3q1PPP/R5K1 w - - 1 28","m":"a8a7 d2f2 g1h1 f2f1 a1f1 f8f1","r":912,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"g0VuO","f":"4r1k1/3R4/p4qpQ/5p2/2P1pP2/1P6/P5PP/7K w - - 3 37","m":"c4c5 f6a1 d7d1 a1d1","r":836,"t":"backRankMate endgame mate mateIn2 short"},{"i":"OlH4o","f":"3r1rk1/p3bppp/2p2n2/2p5/8/8/PPP2PPP/RNB1R1K1 w - - 0 14","m":"e1e7 d8d1 e7e1 d1e1","r":821,"t":"backRankMate fork mate mateIn2 middlegame short"},{"i":"0zrFt","f":"3r2k1/1pq3pp/p1p5/4B3/2P5/1P3QP1/P6P/5R1K b - - 0 25","m":"c7e5 f3f7 g8h8 f7f8 d8f8 f1f8","r":982,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"LnKoR","f":"6k1/p5p1/1p3P1p/8/2p2q2/2P5/PPQ3PP/7K w - - 0 29","m":"c2e2 f4c1 e2d1 c1d1","r":901,"t":"backRankMate endgame mate mateIn2 queenEndgame short"},{"i":"S0ZXF","f":"5r1k/6pp/1qpbQ3/8/pp6/P2P4/1PPB1PPP/R5K1 w - - 3 24","m":"e6d6 b6f2 g1h1 f2f1 a1f1 f8f1","r":990,"t":"backRankMate endgame fork long mate mateIn3 sacrifice"},{"i":"XgT0N","f":"r2qr1k1/1b1pbppQ/p3p1n1/1p6/4N3/8/PPPN1P2/1K1R1B1R b - - 5 20","m":"g8f8 h7h8 g6h8 h1h8","r":866,"t":"backRankMate mate mateIn2 opening sacrifice short"},{"i":"uMQIm","f":"7k/3R2p1/3p1r1p/4p3/2N5/2n5/P5PP/6K1 w - - 4 35","m":"d7d6 c3e2 g1h1 f6f1","r":958,"t":"backRankMate endgame mate mateIn2 short"},{"i":"QVN6N","f":"4Q3/3R2pk/1p2p2p/4rb2/1P6/8/4qPPP/3R2K1 w - - 2 40","m":"e8e7 e2e1 d1e1 e5e1","r":937,"t":"backRankMate endgame mate mateIn2 sacrifice short"},{"i":"VO08K","f":"4k2r/p3ppbp/1p4p1/2p5/2P5/2Nb1B2/PP3PPP/2KR4 b k - 1 20","m":"d3c4 f3c6 e8f8 d1d8","r":922,"t":"backRankMate endgame mate mateIn2 short"},{"i":"K5hcG","f":"3r2k1/pp4pp/8/2p5/2Prq3/8/P1Q3PP/4R2K w - - 0 29","m":"e1e4 d4d1 c2d1 d8d1 e4e1 d1e1","r":834,"t":"backRankMate endgame long mate mateIn3 queenRookEndgame"},{"i":"8PmCg","f":"4r1k1/5p1p/p2n4/5qpQ/5N2/2b1B3/5PPP/2R3K1 w - - 0 26","m":"c1c3 f5b1 c3c1 b1c1 e3c1 e8e1","r":865,"t":"backRankMate long mate mateIn3 middlegame sacrifice"},{"i":"sbEbl","f":"r1b3k1/p2p1ppp/1p3q2/3Q4/5P2/P7/KPP3PP/5n2 b - - 2 21","m":"c8a6 d5a8 a6c8 a8c8 f6d8 c8d8","r":923,"t":"backRankMate endgame hangingPiece long mate mateIn3"},{"i":"V832S","f":"2n2rk1/ppq3pp/2p1B1n1/3p2B1/3P4/2P2Q1P/PP4P1/5RK1 b - - 0 21","m":"g8h8 f3f8 g6f8 f1f8","r":832,"t":"backRankMate mate mateIn2 middlegame short"},{"i":"29AQi","f":"8/p2R4/kpr2Npp/8/2n2N2/8/PP4PP/1K6 w - - 4 36","m":"f6d5 c4d2 b1a1 c6c1","r":822,"t":"backRankMate endgame mate mateIn2 short"},{"i":"2WhRO","f":"6nN/2Qbk3/3p1p2/r1BPp2p/1P2q1p1/1Pp5/2P2PPP/4R1K1 w - - 2 31","m":"e1e4 a5a1 e4e1 a1e1","r":971,"t":"backRankMate mate mateIn2 middlegame short"},{"i":"Jwe9G","f":"rnb3k1/pp2rppp/2p5/8/8/5N2/PPP1BPPP/2KR3R b - - 0 14","m":"e7e2 d1d8 e2e8 d8e8","r":836,"t":"backRankMate fork mate mateIn2 middlegame short"},{"i":"diTOY","f":"3r2k1/pp3ppp/1b1p3r/8/2QpP1B1/6qP/PP4P1/4RR1K b - - 4 23","m":"g3g4 c4f7 g8h8 f7f8 d8f8 f1f8","r":832,"t":"backRankMate long mate mateIn3 middlegame sacrifice"},{"i":"JDYWY","f":"3r2k1/5ppp/4p1b1/4q3/Bp2P3/3r3P/1P3QP1/2R2R1K b - - 3 29","m":"g6e4 f2f7 g8h8 f7f8 d8f8 f1f8","r":853,"t":"backRankMate long mate mateIn3 middlegame sacrifice"},{"i":"ZnhHp","f":"r7/1p1b3k/2pB2pp/1p3p2/8/1PP5/1P2rPPP/4R1K1 w - - 0 27","m":"e1e2 a8a1 e2e1 a1e1","r":954,"t":"backRankMate endgame mate mateIn2 short"},{"i":"t81Jx","f":"4r1k1/5ppb/7p/n7/3RN3/3N3P/6P1/6K1 b - - 0 35","m":"e8e4 d4d8 e4e8 d8e8","r":868,"t":"backRankMate endgame mate mateIn2 short"},{"i":"ymg0c","f":"2r3k1/5ppp/4p1b1/8/3P2P1/1BR2Q1P/P4P1K/1q6 b - - 0 38","m":"c8c3 f3a8 c3c8 a8c8","r":934,"t":"backRankMate endgame mate mateIn2 short"},{"i":"YoxQt","f":"r4r1k/1pp1b1pp/p3n3/4B3/1P2B3/PQ6/5qPP/RN1R2K1 w - - 0 20","m":"g1h1 f2f1 d1f1 f8f1","r":967,"t":"backRankMate mate mateIn2 middlegame sacrifice short"},{"i":"YQNKS","f":"2r4k/p3R1pp/1n6/3q1p2/5b2/8/PP5P/1K2R3 b - - 1 29","m":"d5d2 e7e8 c8e8 e1e8","r":859,"t":"backRankMate endgame mate mateIn2 short"},{"i":"NnIza","f":"1rb2k1r/pp1pnppp/2nQN3/4P3/8/4PN2/PqP2PPP/3RKB1R b K - 4 13","m":"d7e6 d6d8 c6d8 d1d8","r":841,"t":"backRankMate mate mateIn2 opening sacrifice short"},{"i":"KRlYX","f":"3r1k2/7p/2p5/p6P/1p1b1PQ1/8/PPP3P1/2K5 w - - 1 33","m":"g4g5 d4e3 c1b1 d8d1","r":929,"t":"backRankMate endgame mate mateIn2 short"},{"i":"krEXX","f":"3r3k/1p3Rpp/pnn5/2pp4/8/3PP3/PPP1B1PP/6K1 b - - 1 21","m":"d8d7 f7f8","r":851,"t":"backRankMate endgame mate mateIn1 oneMove"},{"i":"p1DNv","f":"1n4k1/p1r2ppp/4p3/4b2b/q7/2P2BPP/3PPP2/1RB2RK1 b - - 3 18","m":"h5f3 b1b8 c7c8 b8c8 a4e8 c8e8","r":948,"t":"backRankMate hangingPiece long mate mateIn3 middlegame"},{"i":"k0mK7","f":"3r2k1/pp2R1pp/2p1Qp2/3p4/3P4/2P4P/P2q1PPK/8 b - - 5 30","m":"g8h8 e7e8 d8e8 e6e8","r":937,"t":"backRankMate endgame mate mateIn2 short"},{"i":"n4hMB","f":"1R3rk1/5ppp/p3p3/q2p2PQ/P1p5/6P1/7P/2b2R1K b - - 0 27","m":"f8b8 h5f7 g8h8 f7f8 b8f8 f1f8","r":891,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"pm71u","f":"r1bq3k/1p3ppp/p2Q1b2/2pN4/2P4r/8/PPP3PP/4RR1K b - - 0 20","m":"d8d6 e1e8 d6f8 e8f8","r":872,"t":"backRankMate mate mateIn2 middlegame short"},{"i":"9lBJi","f":"4rk2/2R2ppp/p7/2P5/P7/1n6/5PPP/2R2K2 w - - 1 34","m":"c1e1 b3d2 f1g1 e8e1","r":961,"t":"backRankMate deflection endgame mate mateIn2 short"},{"i":"je2mF","f":"r3Q2k/1q4pp/4Q3/5pP1/8/6K1/5P1P/2Bb4 b - - 0 34","m":"a8e8 e6e8","r":889,"t":"backRankMate endgame mate mateIn1 oneMove"},{"i":"FI7jV","f":"5r2/2p2Nk1/1p3q2/p1nQn2B/8/P3P3/1P3PPP/3R2K1 w - - 0 28","m":"f7e5 f6f2 g1h1 f2f1 d1f1 f8f1","r":863,"t":"backRankMate long mate mateIn3 middlegame sacrifice"},{"i":"G3xd4","f":"1k4nr/ppp3pp/5p2/4nB2/7B/2P1Pq2/P1P1QP1P/1K1R4 b - - 1 17","m":"f3e2 d1d8","r":897,"t":"backRankMate mate mateIn1 middlegame oneMove"},{"i":"Z7hCZ","f":"2k5/bpp5/p6p/5Np1/P5P1/8/2r1r1PP/R2R3K b - - 0 30","m":"e2g2 f5e7 c8b8 d1d8","r":953,"t":"backRankMate endgame mate mateIn2 short"},{"i":"VKLmD","f":"5r2/1ppk1q2/p3p3/6pp/3PQ3/2P5/PP2RrPP/4R1K1 w - - 0 27","m":"e2f2 f7f2 g1h1 f2f1 e1f1 f8f1","r":993,"t":"backRankMate endgame long mate mateIn3"},{"i":"pzKXq","f":"2k2b1r/pppr2pp/1B3p2/4n3/8/1P6/1PP1NPPP/RN3RK1 b - - 0 16","m":"a7b6 a1a8","r":922,"t":"backRankMate mate mateIn1 middlegame oneMove"},{"i":"C2qSC","f":"3r3k/1p4pp/pq3b2/3R4/3PQ3/1Pr1B3/P5PP/5RK1 b - - 1 30","m":"d8d5 e4e8","r":998,"t":"backRankMate master mate mateIn1 middlegame oneMove"},{"i":"e1BfG","f":"3r4/5k1p/p5p1/1p2bp2/2P5/1P6/P4PPP/4R1K1 w - - 0 31","m":"e1e5 d8d1 e5e1 d1e1","r":821,"t":"backRankMate endgame mate mateIn2 rookEndgame short"},{"i":"aSrXh","f":"5rk1/7p/4R1p1/p5B1/3n4/8/PP4PP/6K1 w - - 0 29","m":"e6d6 d4e2 g1h1 f8f1","r":886,"t":"backRankMate endgame mate mateIn2 short"},{"i":"pLac3","f":"2kr3r/pppqbBpp/8/5b2/4n3/1Q2R3/PP1N1PPP/RNB3K1 w - - 1 16","m":"d2e4 d7d1 b3d1 d8d1 e3e1 d1e1","r":941,"t":"backRankMate fork long mate mateIn3 middlegame"},{"i":"ghq3q","f":"2r1kb1R/2q2pp1/3p2P1/3np3/pp2N3/3QBP2/PPP5/1K6 w - - 0 26","m":"d3d5 c7c2 b1a1 c2c1 e3c1 c8c1","r":818,"t":"backRankMate long mate mateIn3 middlegame sacrifice"},{"i":"mkZSy","f":"2kr1b1r/ppp4p/5n2/4pN2/1P6/P2qB2Q/2n1RPPP/2R3K1 w - - 0 19","m":"e2c2 d3d1 c1d1 d8d1","r":837,"t":"backRankMate mate mateIn2 middlegame sacrifice short"},{"i":"JXsyR","f":"2r3k1/p4ppp/1b6/8/4p2q/1Q2P2P/2r3P1/R4R1K b - - 1 25","m":"h4g3 b3f7 g8h8 f7f8 c8f8 f1f8","r":878,"t":"backRankMate long mate mateIn3 middlegame sacrifice"},{"i":"dqiYV","f":"3br2k/6pp/6q1/p2pQ1P1/3N2bP/pP6/P1P5/1K2RR2 b - - 6 36","m":"e8e5 f1f8","r":980,"t":"backRankMate master mate mateIn1 middlegame oneMove"},{"i":"t5Bpe","f":"r5k1/2Qp2pp/4pr2/8/3P4/P1R1P3/1q3PPP/5RK1 w - - 0 19","m":"f1c1 b2f2 g1h1 f2f1 c1f1 f6f1","r":950,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"FIaeB","f":"3r2k1/2N2ppp/1p1Q2b1/n5B1/3P4/1P3N1P/q4P2/4RBK1 b - - 0 30","m":"d8d6 e1e8","r":814,"t":"backRankMate master mate mateIn1 middlegame oneMove"},{"i":"0CMyW","f":"4rrk1/6pp/p3bq2/1pR2P1Q/4p3/8/P3B1PP/5R1K w - - 0 32","m":"f5e6 f6f1 e2f1 f8f1","r":832,"t":"backRankMate mate mateIn2 middlegame short"},{"i":"l7ciq","f":"3qr1k1/1R2rppp/8/8/8/2P2Q2/5PPP/5RK1 w - - 1 26","m":"f1b1 e7e1 b1e1 e8e1","r":812,"t":"backRankMate endgame mate mateIn2 short"},{"i":"lGXb8","f":"r1bq3k/ppp3pp/2np4/6N1/3P4/1QP5/PP4PP/5RK1 b - - 0 15","m":"d8g5 f1f8","r":878,"t":"backRankMate endgame mate mateIn1 oneMove"},{"i":"QnGeP","f":"2r4k/R1R3pp/2p5/8/8/P5rP/6P1/6K1 b - - 2 28","m":"c8c7 a7a8 c7c8 a8c8","r":981,"t":"backRankMate endgame mate mateIn2 rookEndgame short"},{"i":"o6dbN","f":"r3r1k1/pp3ppp/2p5/3n2q1/8/4bQP1/PPP4P/4RR1K b - - 1 19","m":"e8e6 f3f7 g8h8 f7f8 a8f8 f1f8","r":961,"t":"backRankMate fork long mate mateIn3 middlegame sacrifice"},{"i":"xRTSy","f":"1rR4k/p2Q2pp/8/3N4/7P/2KP2qn/P1P5/8 b - - 6 36","m":"b8c8 d7c8","r":851,"t":"backRankMate endgame mate mateIn1 oneMove"},{"i":"Sa6E4","f":"3r2k1/1q3ppp/p1b1p3/1p4Q1/5PP1/1B3R1P/PPP1N3/6K1 b - - 0 24","m":"c6f3 g5d8","r":813,"t":"backRankMate endgame hangingPiece mate mateIn1 oneMove"},{"i":"bBZQS","f":"3r2k1/5ppp/4p3/2q5/1pP5/p4QP1/P5KP/5R2 b - - 1 29","m":"c5c4 f3f7 g8h8 f7f8 d8f8 f1f8","r":806,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"9DNAr","f":"1k3r2/q3b2Q/p2p4/1p1Bp3/4P3/8/PPR2rPP/R5K1 w - - 0 26","m":"c2f2 a7f2 g1h1 f2f1 a1f1 f8f1","r":977,"t":"backRankMate long mate mateIn3 middlegame"},{"i":"NKXZ0","f":"4r2k/ppp2p2/8/1bPp1B1p/1n1P1RpN/6P1/Pq1Q2PP/7K w - - 3 29","m":"d2b2 e8e1 f4f1 e1f1","r":824,"t":"backRankMate mate mateIn2 middlegame short"},{"i":"CzoHn","f":"r5k1/5ppp/p7/4P3/2r2P2/8/P1R3PP/2R4K b - - 0 30","m":"c4f4 c2c8 a8c8 c1c8","r":939,"t":"backRankMate endgame mate mateIn2 rookEndgame short"},{"i":"3dMCq","f":"3r2k1/pb3pp1/1p2p2p/8/3qB1Q1/P4P2/1P4PP/2R4K w - - 0 25","m":"e4b7 d4d1 c1d1 d8d1","r":838,"t":"backRankMate endgame mate mateIn2 sacrifice short"},{"i":"gne3r","f":"5r1k/ppp3pp/2b5/4p3/2B1P3/1P3Q2/P1q3PP/3R3K b - - 3 22","m":"f8f3 d1d8 c6e8 d8e8 f3f8 e8f8","r":839,"t":"backRankMate endgame long mate mateIn3"},{"i":"LbVkz","f":"r4rk1/6pp/pq2p3/3Q4/p7/8/1P3PPP/3RR1K1 w - - 0 24","m":"e1e6 b6f2 g1h1 f2f1 d1f1 f8f1","r":864,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"Fmsi6","f":"r5k1/2b3pp/2p4r/p1Pp1Q2/P2P4/4PR1P/3BK1P1/R6q b - - 6 31","m":"h1a1 f5f7 g8h8 f7f8 a8f8 f3f8","r":999,"t":"backRankMate fork long mate mateIn3 middlegame sacrifice"},{"i":"s7avw","f":"B4rk1/3Q1ppp/p3p3/8/4P3/4q2P/2P3P1/5R1K b - - 1 20","m":"f8a8 d7f7 g8h8 f7f8 a8f8 f1f8","r":836,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"fwb3K","f":"r6k/pp4pp/2p5/2b3q1/5Q2/4P2P/PP4PK/5R2 b - - 0 23","m":"c5e3 f4f8 a8f8 f1f8","r":946,"t":"backRankMate endgame mate mateIn2 sacrifice short"},{"i":"7BXi6","f":"6k1/5ppp/p7/8/3q4/6P1/P1p3PP/2Q4K w - - 0 31","m":"c1c2 d4a1 c2b1 a1b1","r":967,"t":"backRankMate endgame mate mateIn2 queenEndgame short"},{"i":"I4iCx","f":"5r1k/6pp/p7/1p6/4Q3/P1P5/1P1q1PPP/R5K1 w - - 1 23","m":"a1b1 d2f2 g1h1 f2f1 b1f1 f8f1","r":912,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"sgHEK","f":"3r2k1/pp4pp/2p2P2/6Q1/5N2/5P2/PP1n1qPP/R3r2K w - - 0 28","m":"a1e1 f2e1","r":896,"t":"backRankMate endgame mate mateIn1 oneMove"},{"i":"m5k9o","f":"6k1/5ppp/2B1p3/8/3r4/1p6/nr3PPP/R1R3K1 b - - 1 26","m":"a2c1 a1a8 d4d8 a8d8","r":979,"t":"backRankMate endgame mate mateIn2 short"},{"i":"iBxN3","f":"r2nr1k1/ppp2ppp/3p1q2/8/2PN1P2/2P2BPb/P4P1P/R2QR1K1 b - - 7 17","m":"c7c5 e1e8","r":933,"t":"backRankMate hangingPiece master mate mateIn1 middlegame oneMove"},{"i":"DgVoI","f":"3b1r1k/1p4pp/1qp1QB2/3p4/p7/1B1P4/PPP2PPP/R5K1 w - - 1 20","m":"f6d8 b6f2 g1h1 f2f1 a1f1 f8f1","r":806,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"sfrQ9","f":"5r1k/6pp/pq6/3Q4/1P6/8/5PPP/b4RK1 w - - 0 26","m":"f1a1 b6f2 g1h1 f2f1 a1f1 f8f1","r":859,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"Ybx5X","f":"3r2k1/b5pp/p5n1/2P5/4p3/1NPr4/P1Q2PPP/3R2K1 w - - 4 28","m":"b3c1 d3d1 c2d1 d8d1","r":803,"t":"backRankMate mate mateIn2 middlegame short"},{"i":"ygKFr","f":"1Q1q3k/p1rPr1pp/5p2/4b3/8/4PB2/P5PP/1R1R2K1 b - - 4 27","m":"e7d7 b8d8 d7d8 d1d8","r":924,"t":"backRankMate mate mateIn2 middlegame short xRayAttack"},{"i":"laXYc","f":"3rn1k1/1p3ppp/p3B3/3Np3/4P3/8/PP3RPP/7K b - - 0 24","m":"f7e6 d5e7 g8h8 f2f8","r":879,"t":"backRankMate endgame mate mateIn2 short"},{"i":"aOKcp","f":"r1b1r1k1/pp3ppp/2n5/8/3q4/P4Q2/BPP2PPP/R4K1R b - - 3 16","m":"d4b2 f3f7 g8h8 f7e8","r":959,"t":"backRankMate fork mate mateIn2 middlegame short"},{"i":"nbeo8","f":"r3r1k1/1pq2p1p/p2p2p1/2pP4/P1Nb1PQ1/2N5/1P3nPP/R1B2R1K w - - 1 19","m":"f1f2 e8e1 f2f1 e1f1","r":846,"t":"backRankMate mate mateIn2 middlegame short"},{"i":"S7PqL","f":"2r3k1/pp3ppp/4p3/3pP2Q/3q4/1P2P3/P5PP/5R1K b - - 0 27","m":"d4e3 h5f7 g8h8 f7f8 c8f8 f1f8","r":893,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"pjcf4","f":"4r1k1/3p1ppp/r1p5/4N3/p3P3/P7/P4PPP/1R1R2K1 b - - 0 21","m":"e8e5 b1b8 e5e8 b8e8","r":908,"t":"backRankMate endgame mate mateIn2 rookEndgame short"},{"i":"5abcZ","f":"r4r1k/pQ4pp/8/8/3P4/2n5/P1P3PP/3R2K1 w - - 0 24","m":"d1f1 c3e2 g1h1 f8f1","r":951,"t":"backRankMate deflection endgame mate mateIn2 short"},{"i":"u3qXv","f":"2r3k1/pp1Q1ppp/8/8/1P6/2b3P1/P3KRq1/8 b - - 6 35","m":"g2c6 d7f7 g8h8 f7f8 c8f8 f2f8","r":975,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"oewr5","f":"4r2k/6p1/7p/p2R4/1pB1q3/7Q/PPP4P/1K3R2 w - - 2 31","m":"d5f5 e4e1 f1e1 e8e1","r":873,"t":"backRankMate endgame mate mateIn2 sacrifice short"},{"i":"x25qz","f":"4r1k1/1p3ppp/p1p5/2PR3Q/1P1P4/P3r1qP/6P1/5RK1 b - - 0 26","m":"c6d5 h5f7 g8h8 f7f8 e8f8 f1f8","r":961,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"Xm0uK","f":"5rk1/pQ4pp/8/8/2Pqn3/8/P4PPP/4R1K1 w - - 1 25","m":"b7e4 d4f2 g1h1 f2f1 e1f1 f8f1","r":985,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"o8LOU","f":"2r5/p4kpp/qp1Bpn2/3p4/3P4/1Q2P3/5PPP/2R3K1 w - - 1 24","m":"c1c8 a6a1 c8c1 a1c1 b3d1 c1d1","r":879,"t":"backRankMate endgame long mate mateIn3"},{"i":"F51bX","f":"6k1/p1p3pp/8/5N2/1P4P1/1r6/3r4/5RK1 b - - 5 48","m":"b3b4 f5e7 g8h8 f1f8","r":837,"t":"backRankMate endgame mate mateIn2 short"},{"i":"dhDEf","f":"7k/2qB2pp/pr3p2/8/P1PP4/5QP1/5PK1/8 b - - 1 31","m":"b6d6 f3a8 c7b8 a8b8","r":887,"t":"backRankMate endgame mate mateIn2 short"},{"i":"rgmBn","f":"5rk1/pp6/2p5/4p1N1/1P3r2/P2P4/1BP3PP/R3b2K w - - 0 27","m":"a1e1 f4f1 e1f1 f8f1","r":856,"t":"backRankMate endgame mate mateIn2 short"},{"i":"Etqsp","f":"r5k1/1p1Q1ppp/p7/8/4r2q/8/PP3PPP/R3R1K1 b - - 1 19","m":"a8e8 d7e8 e4e8 e1e8","r":984,"t":"backRankMate endgame mate mateIn2 short xRayAttack"},{"i":"3LcdB","f":"r5k1/ppp3pp/4p3/4P1q1/4r3/5Q2/PPP3PP/R4RK1 b - - 1 16","m":"e4e5 f3f7 g8h8 f7f8 a8f8 f1f8","r":995,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"aywMw","f":"r1b3k1/1p2rppp/2B1p3/p7/4P3/P4N2/1P3PPP/R2R2K1 b - - 0 18","m":"b7c6 d1d8 e7e8 d8e8","r":888,"t":"backRankMate endgame mate mateIn2 short"},{"i":"tkQna","f":"r5k1/5ppp/p3p3/1p6/3q4/2N2Q2/Ppr3nP/1R2R2K b - - 1 29","m":"g2e1 f3a8 d4d8 a8d8","r":879,"t":"backRankMate hangingPiece mate mateIn2 middlegame short"},{"i":"elmuk","f":"2r4k/p5pp/3b3q/3R4/3Q4/4P1P1/1r3P1P/5RK1 b - - 1 29","m":"d6g3 d5d8 c8d8 d4d8","r":868,"t":"backRankMate mate mateIn2 middlegame short"},{"i":"mQMbY","f":"1k6/pp3pp1/4p3/4Bn1P/4qP2/6rP/PPR4K/8 b - - 1 30","m":"f5d6 e5d6 b8a8 c2c8","r":915,"t":"backRankMate endgame hangingPiece mate mateIn2 short"},{"i":"ZZsTf","f":"r6k/pp1r2pp/1n3p2/2B1pP1Q/4q3/8/P5PP/R1R4K b - - 1 26","m":"b6c8 h5e8","r":924,"t":"backRankMate mate mateIn1 middlegame oneMove"},{"i":"tWITs","f":"3q3k/3Q1Rpp/3p1b2/4p3/4P3/2N5/PrP3PP/6K1 b - - 3 22","m":"d8d7 f7f8","r":894,"t":"backRankMate endgame mate mateIn1 oneMove"},{"i":"xPNyu","f":"8/1p3ppp/4p3/3k4/8/1P1PR3/r4PPP/2R3K1 w - - 0 24","m":"c1c7 a2a1 c7c1 a1c1 e3e1 c1e1","r":833,"t":"backRankMate endgame long mate mateIn3 rookEndgame"},{"i":"JIm8n","f":"4r1k1/1pp2ppp/p7/8/P2KP2Q/8/8/2q5 b - - 0 39","m":"e8d8 h4d8","r":826,"t":"backRankMate endgame hangingPiece mate mateIn1 oneMove"},{"i":"83vYP","f":"3Q1rk1/ppq2ppp/2p1p3/8/1n6/5NP1/PPPR1PBP/3R2K1 b - - 0 19","m":"f8d8 d2d8 c7d8 d1d8","r":826,"t":"backRankMate mate mateIn2 middlegame short"},{"i":"fDOwh","f":"4kr2/ppp5/4P1pQ/5q2/8/2P5/P2B1PPP/3R2K1 w - - 3 28","m":"e6e7 f5f2 g1h1 f2f1 d1f1 f8f1","r":853,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"agFq1","f":"2r5/1p4R1/p6p/3BpR2/4P2k/3P4/Pb4PP/7K w - - 8 29","m":"f5f6 c8c1 f6f1 c1f1","r":947,"t":"backRankMate endgame mate mateIn2 short"},{"i":"HkCIn","f":"5k2/pr3ppp/4q3/2pN4/2P5/3P2Q1/P4PPP/4R1K1 w - - 1 26","m":"e1e6 b7b1 e6e1 b1e1","r":917,"t":"backRankMate endgame mate mateIn2 short"},{"i":"znqyM","f":"3q2k1/Q2b2pp/4p3/1B1p4/P7/2P5/3r2PP/5RK1 b - - 2 27","m":"d7b5 a7f7 g8h8 f7f8 d8f8 f1f8","r":927,"t":"backRankMate endgame long mate mateIn3"},{"i":"36Duo","f":"4r1k1/pp3ppp/6r1/4q3/2Q5/1P1NP3/P4RPP/4n2K b - - 3 26","m":"e1d3 c4f7 g8h8 f7f8 e8f8 f2f8","r":966,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"wLqR9","f":"2r3k1/5ppp/pq6/2p2Q2/P1P5/1P5P/3r2P1/5R1K b - - 0 34","m":"b6c6 f5f7 g8h8 f7f8 c8f8 f1f8","r":835,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"WSKrC","f":"3r2k1/1q3ppp/p3p3/1p6/1P1b4/P4PP1/3Q2KP/3R1B2 b - - 0 27","m":"d4f6 d2d8 f6d8 d1d8","r":855,"t":"backRankMate endgame mate mateIn2 short"},{"i":"XLu6G","f":"r4r2/2N3n1/bR6/p6B/3Pk3/8/PPP5/1K6 w - - 0 40","m":"c7a8 f8f1 h5d1 f1d1","r":805,"t":"backRankMate endgame mate mateIn2 short"},{"i":"TjUW2","f":"6k1/5pp1/3N3p/8/8/8/2pr1PPP/2R3K1 w - - 0 38","m":"d6e4 d2d1 c1d1 c2d1q","r":886,"t":"advancedPawn backRankMate endgame mate mateIn2 promotion short"},{"i":"LfyUr","f":"3rr1k1/5ppp/1q2pb2/p2B4/1pp2B2/2P4P/PP2QPP1/3RR1K1 b - - 0 21","m":"e6d5 e2e8 d8e8 e1e8","r":879,"t":"backRankMate mate mateIn2 middlegame short"},{"i":"g8Qi8","f":"6k1/5pp1/p6p/1pp2b2/4qN2/2P5/PP1Q1PPP/6K1 w - - 0 26","m":"f4d5 e4b1 d2c1 b1c1","r":933,"t":"backRankMate endgame mate mateIn2 short"},{"i":"LCRhN","f":"6k1/pp2qppp/2p1p1b1/8/2P2Q2/1P6/P4PPP/3B2K1 b - - 0 22","m":"e7d7 f4b8 d7c8 b8c8","r":983,"t":"backRankMate endgame mate mateIn2 short"},{"i":"vF6qH","f":"b7/p1p1kr2/1pP3R1/1P5B/2Nn4/8/P5PP/6K1 w - - 1 33","m":"g6g4 d4e2 g1h1 f7f1","r":909,"t":"backRankMate endgame mate mateIn2 short"},{"i":"0xees","f":"3r2k1/1q1r1ppp/pp6/2pRQ3/P4P2/7P/1P3nPB/4RBK1 b - - 2 29","m":"d7d5 e5e8 d8e8 e1e8","r":937,"t":"backRankMate mate mateIn2 middlegame sacrifice short"},{"i":"HhQcA","f":"2r2Q1k/2bn2pp/2p3r1/2Pp4/3P3q/P1N1PR1P/3N2P1/5RK1 b - - 4 27","m":"d7f8 f3f8 c8f8 f1f8","r":818,"t":"backRankMate mate mateIn2 middlegame short"},{"i":"Ny0cE","f":"8/1n1P1k2/7p/6p1/4pp2/8/1pp2PPP/1R4K1 w - - 0 50","m":"b1b2 c2c1q","r":918,"t":"advancedPawn backRankMate endgame mate mateIn1 oneMove promotion"},{"i":"b7UlN","f":"2Q2qk1/p1P2ppp/4p1b1/8/P7/1P6/5PPP/3Rn1K1 b - - 0 31","m":"f8c8 d1d8 c8d8 c7d8q","r":930,"t":"advancedPawn backRankMate endgame fork mate mateIn2 promotion short"},{"i":"zlm8p","f":"1r1r2k1/1R3ppp/8/4Q3/8/2P5/q4PPP/4R1K1 b - - 0 27","m":"b8b7 e5e8 d8e8 e1e8","r":893,"t":"backRankMate endgame mate mateIn2 sacrifice short"},{"i":"vsNor","f":"5r1k/p1R3pp/7r/8/1P6/P2PqBP1/4P1K1/8 b - - 7 32","m":"f8f3 c7c8 e3e8 c8e8 f3f8 e8f8","r":996,"t":"backRankMate endgame long mate mateIn3 queenRookEndgame"},{"i":"c8Sqq","f":"5b1k/2q3pp/5p2/4pP2/1P2P3/8/1RpQ2PP/1rB4K w - - 3 39","m":"d2c2 b1c1 c2c1 c7c1","r":971,"t":"backRankMate endgame fork mate mateIn2 short xRayAttack"},{"i":"iRAhJ","f":"1r4k1/5ppp/4p3/3pP3/3PbQ2/3q4/5RPP/4B1K1 b - - 5 30","m":"b8b1 f4f7 g8h8 f7e8","r":800,"t":"backRankMate endgame mate mateIn2 short"},{"i":"5Bc8Y","f":"5k2/p4ppp/5q2/N5N1/P7/8/3nQPPP/6K1 w - - 0 27","m":"e2d2 f6a1 d2c1 a1c1","r":923,"t":"backRankMate endgame mate mateIn2 short"},{"i":"72qfe","f":"8/3Q2p1/1p6/1r6/k7/8/3q2PP/7K w - - 9 45","m":"d7d2 b5b1 d2c1 b1c1","r":848,"t":"backRankMate endgame mate mateIn2 queenRookEndgame short"},{"i":"VBMRF","f":"4r1k1/5ppp/8/p1p4P/P2pqbP1/1P3Q2/1BPP4/3K1R2 w - - 0 27","m":"f3f4 e4e2 d1c1 e2e1 f1e1 e8e1","r":995,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"OJJsk","f":"6k1/5ppp/4p3/2q5/5P2/5N1P/3r1nPK/Q7 b - - 14 38","m":"c5e3 a1a8 d2d8 a8d8","r":805,"t":"backRankMate endgame mate mateIn2 short"},{"i":"RHku3","f":"3Q2k1/5ppp/1q2p3/p1r5/8/5N2/PP3KPP/2RR4 b - - 0 24","m":"b6d8 d1d8","r":998,"t":"backRankMate endgame mate mateIn1 oneMove"},{"i":"7nJk3","f":"2r2r2/3R2pk/5q1p/4N3/1Q1N4/4P3/5PPP/3R2K1 w - - 7 32","m":"b4e7 f6f2 g1h1 f2f1 d1f1 f8f1","r":864,"t":"backRankMate long mate mateIn3 middlegame sacrifice"},{"i":"pjt8s","f":"k2r4/ppQ4p/4B3/4B1p1/8/P2q4/6PP/5R1K w - - 3 29","m":"f1c1 d3d1 c1d1 d8d1","r":932,"t":"backRankMate endgame mate mateIn2 sacrifice short"},{"i":"r4Kds","f":"r4rk1/pQp4p/5pp1/4p3/2qn4/5N2/PR3PPP/2B3KR w - - 4 21","m":"f3d4 c4c1","r":814,"t":"backRankMate hangingPiece mate mateIn1 middlegame oneMove"},{"i":"J7bUo","f":"5k2/1rr2p1p/p2P1p2/8/8/P7/5PPP/2R3K1 w - - 0 27","m":"c1c7 b7b1 c7c1 b1c1","r":824,"t":"backRankMate endgame mate mateIn2 rookEndgame short"},{"i":"KX3Yk","f":"R7/P1k2p1p/6p1/r7/8/4P3/5PPP/1R4K1 w - - 3 40","m":"b1b8 a5a1 b8b1 a1b1","r":984,"t":"backRankMate endgame mate mateIn2 rookEndgame short"},{"i":"oUs35","f":"8/6pk/8/6p1/5q2/1R2p3/6PP/1R4K1 w - - 0 40","m":"b1e1 f4f2 g1h1 f2e1","r":947,"t":"backRankMate endgame fork mate mateIn2 queenRookEndgame short"},{"i":"Lh3HQ","f":"r5k1/p5pp/q7/2pQ4/P4RK1/8/2P5/8 b - - 1 34","m":"g8h8 d5a8 a6c8 a8c8","r":972,"t":"backRankMate endgame hangingPiece mate mateIn2 short"},{"i":"9HpHA","f":"6k1/5pp1/2rBpq1p/p2p4/Pn6/1Q2P3/5PPP/2R3K1 w - - 0 26","m":"c1c6 f6a1 c6c1 a1c1 b3d1 c1d1","r":907,"t":"backRankMate endgame long mate mateIn3"},{"i":"aD1K2","f":"3R1b1r/pQ3ppp/4pk2/5b2/8/2N5/PPP2pPP/R3q2K w - - 2 23","m":"a1e1 f2e1q","r":819,"t":"advancedPawn backRankMate mate mateIn1 middlegame oneMove promotion"},{"i":"G6aoo","f":"5rk1/pRB3p1/7p/8/8/3P4/6PP/2n3K1 w - - 1 29","m":"d3d4 c1e2 g1h1 f8f1","r":965,"t":"backRankMate endgame mate mateIn2 short"},{"i":"scCtj","f":"2q4k/1pp3pp/p2r4/5p2/4nP2/1P2Q1RP/1PP1R1PK/8 b - - 20 37","m":"e4g3 e3e8 c8e8 e2e8","r":892,"t":"backRankMate endgame mate mateIn2 short"},{"i":"5yLyg","f":"r3r3/p4Q2/8/2pp4/4q3/1R6/P2k1PPP/2R3K1 w - - 4 33","m":"c1b1 e4e1 b1e1 e8e1","r":967,"t":"backRankMate endgame mate mateIn2 sacrifice short"},{"i":"UDhxw","f":"8/5k1p/8/8/4Np2/1r6/p4PPP/5RK1 w - - 0 47","m":"f1a1 b3b1 a1b1 a2b1q","r":806,"t":"advancedPawn backRankMate endgame mate mateIn2 promotion short"},{"i":"mgDnm","f":"2Qb1rk1/p5pp/8/8/1P2P3/N1Pn2B1/P5PP/R4q1K w - - 3 24","m":"a1f1 f8f1","r":840,"t":"backRankMate mate mateIn1 middlegame oneMove"},{"i":"qyNKu","f":"2r5/5pkp/p1PR1p2/6q1/6Q1/5P2/6PP/7K w - - 2 35","m":"g4c8 g5c1 d6d1 c1d1","r":861,"t":"backRankMate endgame mate mateIn2 short"},{"i":"QpiYZ","f":"5Q2/2N2p1p/p4rp1/1p5k/8/P7/1b4PP/6qK w - - 0 36","m":"h1g1 b2d4 g1h1 f6f1","r":855,"t":"backRankMate endgame mate mateIn2 short"},{"i":"wi75J","f":"1r3R1k/1b1n2pp/p7/7q/2p5/P7/1P3QP1/5RK1 b - - 0 29","m":"d7f8 f2f8 b8f8 f1f8","r":913,"t":"backRankMate endgame mate mateIn2 short"},{"i":"buNaD","f":"3k4/ppp4p/1bp4p/8/6b1/3P4/PPr3PP/RN2R2K w - - 0 18","m":"e1e4 c2c1 e4e1 c1e1","r":814,"t":"backRankMate endgame mate mateIn2 short"},{"i":"kB5jF","f":"1k4r1/ppp2p1Q/2p5/4P3/2b1P3/P2R1K1P/1q2B1P1/8 b - - 0 29","m":"f7f6 h7g8 c4g8 d3d8","r":977,"t":"backRankMate endgame mate mateIn2 sacrifice short"},{"i":"Ghojv","f":"1k6/2p3p1/p1n2q1p/8/3R2Q1/8/P1P2PPP/6K1 w - - 1 34","m":"d4f4 f6a1 g4d1 a1d1","r":826,"t":"backRankMate endgame mate mateIn2 short"},{"i":"fH6iX","f":"r5k1/5pp1/5n1p/1NP1p3/1P1p4/8/5PPP/4R1K1 w - - 0 28","m":"e1e5 a8a1 e5e1 a1e1","r":906,"t":"backRankMate endgame mate mateIn2 short"},{"i":"L6oxy","f":"r6k/pppb2pp/1bnp4/3B2q1/3P4/4PQ1P/PP4P1/R4RK1 b - - 4 16","m":"c6b4 f3f8 a8f8 f1f8","r":894,"t":"backRankMate mate mateIn2 middlegame sacrifice short"},{"i":"AedtL","f":"1r4k1/p4ppp/1p2bq2/8/4Q1N1/6P1/PP2RP1P/6K1 b - - 1 35","m":"e6g4 e4e8 b8e8 e2e8","r":942,"t":"backRankMate endgame mate mateIn2 sacrifice short"},{"i":"TFSDV","f":"r3r1k1/p2p1p1p/bp6/8/8/2P5/P4PPP/R1B1RK2 w - - 3 17","m":"f1g1 e8e1","r":858,"t":"backRankMate endgame hangingPiece mate mateIn1 oneMove"},{"i":"3l8J7","f":"2r3k1/p4ppp/1p1p4/3QB3/K7/2P3P1/Pq2r2P/5R1R b - - 0 32","m":"d6e5 d5f7 g8h8 f7f8 c8f8 f1f8","r":927,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"d0agv","f":"4r1k1/5p1p/6p1/8/8/4r3/3q1NPP/1R1R2K1 w - - 0 34","m":"d1d2 e3e1 b1e1 e8e1","r":813,"t":"backRankMate endgame mate mateIn2 short"},{"i":"E1kcO","f":"5r1k/pp4p1/2p2q1p/4r3/8/1B2Q3/PP3PPP/4R1K1 w - - 0 24","m":"e3e5 f6f2 g1h1 f2f1 e1f1 f8f1","r":967,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"MMRE7","f":"2k1r3/ppp2Qpp/3b4/4q1B1/3p4/8/PPP2PPP/R5K1 w - - 2 19","m":"g5f4 e5e1 a1e1 e8e1","r":872,"t":"backRankMate endgame mate mateIn2 sacrifice short"},{"i":"AEnDp","f":"6k1/6pp/1p6/3N1R2/2P5/1P5P/r2r1PP1/6K1 b - - 0 32","m":"b6b5 d5e7 g8h8 f5f8","r":889,"t":"backRankMate endgame mate mateIn2 short"},{"i":"MiTse","f":"rn1R3k/pp2Nrpp/8/5b2/8/8/PPP2bPP/2K2B1R b - - 1 16","m":"f7f8 d8f8","r":919,"t":"backRankMate hangingPiece mate mateIn1 middlegame oneMove"},{"i":"rtaHQ","f":"1k5r/ppp4p/6p1/q4pQ1/4p3/P7/1PPr1PPP/3RR1K1 b - - 3 21","m":"h8d8 g5d8 d2d8 d1d8","r":894,"t":"backRankMate endgame mate mateIn2 short xRayAttack"},{"i":"vLD7C","f":"3r2k1/3N1ppp/1p2p3/8/P7/1q2nQPP/7K/4R3 b - - 5 38","m":"d8d7 f3a8 d7d8 a8d8","r":910,"t":"backRankMate endgame mate mateIn2 short"},{"i":"CDUcJ","f":"2Q2r1k/6pp/5p2/p2r4/2R3bq/1P2R3/PB3P2/6K1 b - - 0 30","m":"f8c8 c4c8 g4c8 e3e8","r":842,"t":"backRankMate mate mateIn2 middlegame short"},{"i":"eNgky","f":"2n5/1PPk1p1p/4p1p1/r7/8/4P3/5PPP/R5K1 w - - 0 43","m":"b7b8q a5a1 b8b1 a1b1","r":971,"t":"backRankMate endgame hangingPiece mate mateIn2 short"},{"i":"9txeC","f":"r5k1/4Rpbp/1p1p4/PN3pBn/1P6/8/5PPP/6K1 w - - 0 26","m":"a5b6 a8a1 g5c1 a1c1 e7e1 c1e1","r":861,"t":"backRankMate endgame long mate mateIn3"},{"i":"81vls","f":"5rk1/ppp3pp/1q6/8/3Qr3/P7/1PP2PPP/R5K1 w - - 0 23","m":"d4e4 b6f2 g1h1 f2f1 a1f1 f8f1","r":971,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"AWw71","f":"4bk2/7p/2N1Bb1p/5P2/P7/q7/6PP/2R1Q2K w - - 1 31","m":"e1g3 a3c1 g3e1 c1e1","r":897,"t":"backRankMate fork hangingPiece master mate mateIn2 middlegame short"},{"i":"j4k4i","f":"r1bqr1k1/pp1p1ppp/2n5/3Qp1N1/2B5/P1P5/5PPP/R4RK1 b - - 0 13","m":"d8g5 d5f7 g8h8 f7e8","r":840,"t":"backRankMate fork mate mateIn2 middlegame short"},{"i":"CaUZV","f":"3Q3k/p1b3pp/1p6/3Rp3/4q3/6P1/P4P1P/2R3K1 b - - 0 29","m":"c7d8 d5d8","r":921,"t":"backRankMate endgame mate mateIn1 oneMove"},{"i":"NjGhw","f":"r6k/5Qpp/1p1q4/p2B4/4P3/1P1n3P/2r4b/1R3R1K b - - 2 35","m":"d6g3 f7f8 a8f8 f1f8","r":925,"t":"backRankMate mate mateIn2 middlegame sacrifice short"},{"i":"C7hDw","f":"6k1/pp3ppp/3r4/3Pp3/1P6/P6P/5PP1/2R3K1 b - - 2 30","m":"d6d7 c1c8 d7d8 c8d8","r":848,"t":"backRankMate endgame mate mateIn2 rookEndgame short"},{"i":"zuIp7","f":"r4rk1/pp4p1/1qnR3p/3p4/4n3/P1N5/1PB2PPP/R1BQ2K1 w - - 1 17","m":"c2e4 b6f2 g1h1 f2f1 d1f1 f8f1","r":926,"t":"backRankMate long mate mateIn3 middlegame"},{"i":"oaUXf","f":"3r2k1/pp2qpp1/7p/5B2/8/2P5/PPP2PPP/4R1K1 w - - 0 22","m":"e1e7 d8d1 e7e1 d1e1","r":939,"t":"backRankMate endgame mate mateIn2 short"},{"i":"QGLHr","f":"5rk1/1b1R3p/pq1p2p1/1p1P4/8/P4Q2/1PP2PPP/R5K1 w - - 3 24","m":"f3e4 b6f2 g1h1 f2f1 a1f1 f8f1","r":965,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"iRAEh","f":"r3nrk1/pb3qp1/1p2p1Np/2ppb2Q/3P4/P1P5/1PB2PPP/R3R1K1 w - - 0 23","m":"e1e5 f7f2 g1h1 f2f1 a1f1 f8f1","r":802,"t":"backRankMate fork long mate mateIn3 middlegame sacrifice"},{"i":"SWyXH","f":"1k2r3/ppp3Q1/5p2/3N3p/3Pq3/8/PP6/K1R5 b - - 7 40","m":"e4d5 g7c7 b8a8 c7c8 e8c8 c1c8","r":880,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"5u0Hx","f":"6k1/1p1q1ppp/p1p1bp2/2P5/3P1Q1P/1B6/PP3PP1/6K1 b - - 0 24","m":"e6b3 f4b8 d7c8 b8c8","r":809,"t":"backRankMate endgame mate mateIn2 short"},{"i":"mrXEB","f":"4r2k/P6p/6p1/2p5/1p6/8/5pPP/3q1Q1K w - - 0 39","m":"f1d1 e8e1 d1e1 f2e1q","r":808,"t":"advancedPawn backRankMate endgame fork mate mateIn2 promotion queenRookEndgame short"},{"i":"RIrf3","f":"6k1/p3Rppp/1p4nq/2p5/3p1P2/P2P2PP/1PP3QN/5K2 b - - 0 28","m":"g6e7 g2a8 e7c8 a8c8","r":807,"t":"backRankMate endgame mate mateIn2 short"},{"i":"N351V","f":"r3R2k/1p3Qpp/2n2b2/8/2pP4/2P2N2/q2B1PPP/6K1 b - - 5 27","m":"a8e8 f7e8","r":989,"t":"backRankMate mate mateIn1 middlegame oneMove"},{"i":"G5dWq","f":"6k1/p5pp/np6/2pp4/3Np3/2P1q2B/PP4P1/5R1K b - - 3 26","m":"c5d4 h3e6 g8h8 f1f8","r":928,"t":"backRankMate endgame mate mateIn2 short"},{"i":"ZGmXD","f":"6k1/ppp3pp/3p4/3Nn3/4P3/8/PP5r/3K1R2 b - - 5 31","m":"h2b2 d5e7 g8h8 f1f8","r":813,"t":"backRankMate endgame mate mateIn2 short"},{"i":"Ijuw8","f":"5rk1/6b1/2Q3pp/1p6/3P1q2/1PP5/1nB2PPP/R5K1 w - - 0 26","m":"c6g6 f4f2 g1h1 f2f1 a1f1 f8f1","r":898,"t":"backRankMate long mate mateIn3 middlegame sacrifice"},{"i":"SpByC","f":"r4rk1/1R5p/p2p1qpb/2p5/2bPB3/P1P5/3Q1PPP/3R2K1 w - - 0 22","m":"d2h6 f6f2 g1h1 f2f1 d1f1 f8f1","r":995,"t":"backRankMate long mate mateIn3 middlegame sacrifice"},{"i":"HbAGm","f":"4N1k1/1R3ppp/8/8/8/5P2/3rnnPP/5R1K w - - 1 29","m":"f1f2 d2d1 f2f1 d1f1","r":997,"t":"backRankMate endgame mate mateIn2 short"},{"i":"iNxTo","f":"4r1k1/p4ppp/6q1/6P1/5P2/1PQ5/1P6/K1R5 b - - 2 39","m":"e8b8 c3c8 b8c8 c1c8","r":835,"t":"backRankMate endgame mate mateIn2 sacrifice short"},{"i":"T5STA","f":"3r1rk1/p4Rpp/1p6/2p5/8/PQP5/1P1q2PP/5R1K b - - 0 24","m":"f8f7 b3f7 g8h8 f7f8 d8f8 f1f8","r":955,"t":"backRankMate endgame long mate mateIn3"},{"i":"XW96g","f":"5r1k/1p4pp/p7/8/1Q6/1NP3P1/Pqr2P2/5RK1 b - - 6 29","m":"c2f2 b4f8 f2f8 f1f8","r":947,"t":"backRankMate endgame mate mateIn2 short xRayAttack"},{"i":"5diwU","f":"2rr2k1/p4pnp/2RNb1pB/8/2p5/2P2P2/PP4PP/RN5K w - - 5 30","m":"d6c8 d8d1","r":908,"t":"backRankMate mate mateIn1 middlegame oneMove"},{"i":"GR5cY","f":"5r1k/6pp/8/3Q4/8/8/q4rPP/3R1RK1 w - - 0 29","m":"f1f2 a2f2 g1h1 f2f1 d1f1 f8f1","r":962,"t":"backRankMate endgame long mate mateIn3"},{"i":"EYM72","f":"4r1k1/4rpp1/p1p4p/2n2P2/1Npp4/8/PPP2PPP/3RR1K1 w - - 2 24","m":"b4c6 e7e1 d1e1 e8e1","r":888,"t":"backRankMate endgame mate mateIn2 short"},{"i":"MStBE","f":"2r3k1/pp3ppp/8/4p3/1P6/PN2q3/b1B3PP/K2R3R b - - 0 22","m":"c8c2 d1d8","r":908,"t":"backRankMate endgame mate mateIn1 oneMove"},{"i":"02O9Q","f":"5Bk1/1p1r3p/8/p4N2/1nP1p3/1P6/3R1nPP/3R3K w - - 1 38","m":"d2f2 d7d1 f2f1 d1f1","r":990,"t":"backRankMate endgame hangingPiece mate mateIn2 short"},{"i":"g7vlX","f":"3rk3/p3bp1p/6p1/3Q4/8/4B3/Pq3PPP/2R3K1 w - - 1 27","m":"d5e4 b2c1 e3c1 d8d1 e4e1 d1e1","r":905,"t":"backRankMate endgame fork long mate mateIn3 sacrifice"},{"i":"RTEsC","f":"5rk1/4Q1p1/p2p3p/8/8/4N3/5qbP/3R3K w - - 0 34","m":"e3g2 f2f1 d1f1 f8f1","r":841,"t":"backRankMate endgame mate mateIn2 sacrifice short"},{"i":"MAfNQ","f":"4r1k1/5ppp/R3Pb2/8/8/5K2/5P1P/8 b - - 2 35","m":"e8e6 a6a8 f6d8 a8d8 e6e8 d8e8","r":844,"t":"backRankMate endgame long master mate mateIn3"},{"i":"RLXwY","f":"r6k/R4Rpp/8/3p2r1/8/7P/P5P1/7K b - - 0 30","m":"a8a7 f7f8","r":937,"t":"backRankMate endgame mate mateIn1 oneMove rookEndgame"},{"i":"kzBUN","f":"6k1/3R2p1/r2p2pp/3Pp3/3r4/8/5PPP/3R2K1 w - - 4 33","m":"d1d4 a6a1 d4d1 a1d1","r":831,"t":"backRankMate endgame master mate mateIn2 rookEndgame short"},{"i":"f30Ou","f":"3R1bk1/pp3rp1/2p5/4P3/6Qp/2P5/Pq3PPP/5RK1 w - - 1 26","m":"f1d1 b2f2 g1h1 f2f1 d1f1 f7f1","r":956,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"mZbmN","f":"3r2k1/5ppp/p7/8/4Q3/6PP/P3RP1K/1q6 b - - 0 32","m":"b1d1 e4e8 d8e8 e2e8","r":914,"t":"backRankMate endgame mate mateIn2 sacrifice short"},{"i":"buFbU","f":"2r2r1k/4qp1p/p2N2n1/1p1P4/8/6Q1/PP3PPP/4R1K1 w - - 1 27","m":"e1e7 c8c1 e7e1 c1e1","r":847,"t":"backRankMate endgame mate mateIn2 short"},{"i":"QA4pc","f":"rn3rk1/2B2qp1/p3R2p/1p2b3/8/PQ6/1P3PPP/2R3K1 w - - 0 21","m":"c7e5 f7f2 g1h1 f2f1 c1f1 f8f1","r":848,"t":"backRankMate long mate mateIn3 middlegame sacrifice"},{"i":"GFzon","f":"2b5/3pp2k/1R4p1/2PP3p/3Pp3/4B2B/r3rPPP/4R1K1 w - - 3 27","m":"e1e2 a2a1 b6b1 a1b1 e3c1 b1c1 e2e1 c1e1","r":914,"t":"backRankMate endgame mate mateIn4 veryLong"},{"i":"kA6QN","f":"8/2p1k2p/1nR2b2/4p2N/r6p/3P1B2/4RPPP/7K w - - 0 40","m":"h5f6 a4a1 c6c1 a1c1 e2e1 c1e1","r":800,"t":"backRankMate endgame long mate mateIn3"},{"i":"tRVMQ","f":"4r1k1/ppp3pp/4q3/P1bp4/3p1r2/3B2Q1/1P2b1PP/RN2R2K w - - 0 21","m":"e1e2 f4f1","r":946,"t":"backRankMate mate mateIn1 middlegame oneMove"},{"i":"tq3ad","f":"6k1/p1N2ppp/1p1n4/8/8/6r1/PPP5/2KR4 b - - 0 27","m":"d6f5 d1d8","r":928,"t":"backRankMate endgame mate mateIn1 oneMove"},{"i":"0K7vK","f":"r1b1r1k1/ppp2Qpp/8/4b1q1/2Bp4/3P4/PPP2PPP/R4RK1 b - - 0 16","m":"g8h8 f7e8","r":877,"t":"backRankMate hangingPiece mate mateIn1 middlegame oneMove"},{"i":"dyqvx","f":"5rk1/3Q2pp/1p6/3p4/1P1Pn3/4P3/5qPP/R4NK1 w - - 3 29","m":"g1h1 f2f1 a1f1 f8f1","r":981,"t":"backRankMate endgame mate mateIn2 short"},{"i":"psOZm","f":"r1b1Q1kr/pp3ppp/1qp2n2/1B6/3b1p2/2N5/PPP3PP/R1B1R2K b - - 3 15","m":"f6e8 e1e8","r":835,"t":"backRankMate mate mateIn1 oneMove opening"},{"i":"qmorB","f":"5rk1/5qpp/2p5/3r4/1P1P4/2Qp4/6PP/R2R2K1 w - - 0 35","m":"d1d3 f7f2 g1h1 f2f1 a1f1 f8f1","r":963,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"YK5zG","f":"k1q1QK2/pp1r4/8/8/P7/6p1/8/4R3 b - - 2 50","m":"c8e8 e1e8 d7d8 e8d8","r":992,"t":"backRankMate endgame mate mateIn2 short"},{"i":"L51Zj","f":"2r3k1/pQ3ppp/4p3/8/2P5/4q3/P2r2PP/R4R1K b - - 5 22","m":"c8d8 b7f7 g8h8 f7f8 d8f8 f1f8","r":895,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"xlfg9","f":"2kr3r/ppp2ppp/2n5/3NR3/8/7P/PPPQ1Pq1/2KR4 b - - 1 16","m":"c6e5 d5e7 c8b8 d2d8 h8d8 d1d8","r":970,"t":"backRankMate deflection discoveredAttack long mate mateIn3 middlegame"},{"i":"Re1Pm","f":"2r3k1/p5p1/4p1Q1/n2pP3/P2P1p2/1q3N2/5PPP/1R4K1 w - - 0 31","m":"b1b3 c8c1 f3e1 c1e1","r":976,"t":"backRankMate endgame mate mateIn2 short"},{"i":"NDQYi","f":"5r1k/p1p2Bpp/8/2p5/4P3/7b/Pr6/3RR1K1 b - - 3 26","m":"f8f7 d1d8 f7f8 d8f8","r":834,"t":"backRankMate endgame mate mateIn2 short"},{"i":"HkljA","f":"6k1/2r2ppp/pn2pb2/1p1qN2Q/3P1P2/1P6/PB4PP/5R1K b - - 3 23","m":"c7c2 h5f7 g8h8 f7e8","r":870,"t":"backRankMate mate mateIn2 middlegame short"},{"i":"SEm6Z","f":"8/ppN3p1/2p2k1p/5p2/1P1Pr3/2qB1Q2/P4PPP/R5K1 w - - 0 25","m":"d3e4 c3a1 e4b1 a1b1 f3d1 b1d1","r":911,"t":"backRankMate endgame hangingPiece long mate mateIn3"},{"i":"5GBo7","f":"5rk1/1b3qpp/p2Rp3/4Q3/4p3/2P1P3/PP3PPP/3R2K1 w - - 6 26","m":"b2b3 f7f2 g1h1 f2f1 d1f1 f8f1","r":901,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"RmhVq","f":"2r5/4kppp/B2p4/4p3/Qb1nP3/8/5PPP/2r2RK1 w - - 2 23","m":"a6c8 d4e2 g1h1 c1f1","r":935,"t":"backRankMate deflection endgame mate mateIn2 short"},{"i":"cn4rS","f":"3rRk2/p4ppp/2p5/2Nn4/3r4/1P4KP/P1P2PP1/4R3 b - - 6 25","m":"d8e8 c5d7 f8g8 e1e8","r":940,"t":"backRankMate deflection endgame mate mateIn2 short"},{"i":"P4WmH","f":"2k3nr/pp4pp/4p3/2B1P3/bP3P2/8/6PP/2R3K1 b - - 0 20","m":"c8b8 c5d6 b8a8 c1c8","r":803,"t":"backRankMate endgame mate mateIn2 short"},{"i":"fC5uj","f":"3r1k1r/ppp2ppp/3q4/8/4n3/2N5/PPP2PPP/R1B1Q1K1 w - - 0 16","m":"e1e4 d6d1 c3d1 d8d1 e4e1 d1e1","r":865,"t":"backRankMate long mate mateIn3 middlegame sacrifice"},{"i":"x97y5","f":"2k3r1/ppp4p/5p2/2n2N2/5P2/b1P5/P1K2PPP/3R4 b - - 2 20","m":"g8g2 f5e7 c8b8 d1d8","r":947,"t":"backRankMate endgame mate mateIn2 short"},{"i":"ZNAxF","f":"6k1/1p2r1pp/3b4/p7/1P6/PB3R2/4p1P1/4K3 b - - 3 39","m":"g8h8 f3f8","r":971,"t":"backRankMate endgame mate mateIn1 oneMove"},{"i":"6mW1S","f":"4r2k/pp1qrp1p/5pbQ/2Pp3B/3P4/8/P4PPP/R3R1K1 w - - 3 24","m":"h5g6 e7e1 a1e1 e8e1","r":811,"t":"backRankMate mate mateIn2 middlegame short"},{"i":"bgVv0","f":"4r1k1/1p3ppq/p1p2Q1p/2Ppr3/1P4R1/8/P4PPP/4R1K1 w - - 0 26","m":"e1e5 h7b1 e5e1 e8e1","r":842,"t":"backRankMate endgame mate mateIn2 short"},{"i":"vrIHr","f":"r5k1/1ppQ1ppp/p7/8/1P6/2P1b1qP/PB4P1/3R3K b - - 6 23","m":"e3f4 d7d8 a8d8 d1d8","r":963,"t":"backRankMate endgame mate mateIn2 sacrifice short"},{"i":"bzYRb","f":"1k3r2/p5p1/1pQpr2p/2p2P2/3p3q/P2P4/1PPB2PP/R5K1 w - - 0 21","m":"f5e6 h4f2 g1h1 f2f1 a1f1 f8f1","r":989,"t":"backRankMate endgame fork long mate mateIn3 sacrifice"},{"i":"yA08x","f":"1Q2r1k1/p4ppp/3R4/8/4P3/5P2/P4qPP/3R3K b - - 0 25","m":"e8b8 d6d8 b8d8 d1d8","r":907,"t":"backRankMate endgame mate mateIn2 queenRookEndgame short"},{"i":"uBLTn","f":"r5k1/p3RpPp/2p3r1/1p6/8/8/PP6/1K2R3 b - - 0 33","m":"g6g7 e7e8 a8e8 e1e8","r":932,"t":"backRankMate endgame mate mateIn2 rookEndgame short"},{"i":"M1dnV","f":"2r3k1/5ppp/4p3/8/1P6/1Q6/3q1PPP/R5K1 w - - 1 26","m":"b4b5 c8c1 a1c1 d2c1 b3d1 c1d1","r":862,"t":"backRankMate endgame long mate mateIn3"},{"i":"x5zw2","f":"6k1/1b1p1ppp/1p6/p7/2N5/1Bq2PQ1/P4bPP/R3r2K w - - 0 27","m":"a1e1 c3e1","r":819,"t":"backRankMate mate mateIn1 middlegame oneMove"},{"i":"c81j4","f":"3k1q2/6bQ/p2p2R1/1p1N1p2/2r1nP2/6R1/PP6/1K6 w - - 1 32","m":"g6g7 e4d2 b1a1 c4c1","r":960,"t":"backRankMate mate mateIn2 middlegame short"},{"i":"9O7pA","f":"r5k1/pp1b1ppp/8/b1Pr4/4q3/BQP3P1/P3B2P/2R2RK1 b - - 2 19","m":"d5d2 b3f7 g8h8 f7f8 a8f8 f1f8","r":915,"t":"backRankMate long mate mateIn3 middlegame sacrifice"},{"i":"afoz8","f":"3r2k1/pp2bppp/4b3/4Pp2/1P1q1B2/P1N2Q2/2P2PPP/2R3K1 w - - 1 21","m":"c3e2 d4d1 c1d1 d8d1","r":988,"t":"backRankMate mate mateIn2 middlegame sacrifice short"},{"i":"7j0Q1","f":"R1rr2k1/5ppp/4p3/QP6/5nq1/5bP1/5P1P/R5K1 b - - 3 30","m":"g4h3 a5d8 c8d8 a8d8","r":966,"t":"backRankMate mate mateIn2 middlegame short xRayAttack"},{"i":"ffn1K","f":"rnb2r1k/4RNpp/2p5/1p6/p7/1Bn5/P1P2PPP/4K2R b K - 1 21","m":"f8f7 e7e8 f7f8 e8f8","r":926,"t":"backRankMate fork mate mateIn2 middlegame short"},{"i":"D2WnK","f":"r1b2rk1/pp3ppp/2nQp3/8/4P3/1Bq2N2/P1P2PPP/2KR3R b - - 1 13","m":"f8d8 d6d8 c6d8 d1d8","r":852,"t":"backRankMate mate mateIn2 middlegame short"},{"i":"UoqGg","f":"7k/rR4pp/3p2q1/2p1p3/P1P2r2/3P1Q1P/5PP1/R5K1 b - - 0 28","m":"f4f3 b7b8 g6e8 b8e8 f3f8 e8f8","r":935,"t":"backRankMate endgame long mate mateIn3 queenRookEndgame"},{"i":"uYm1P","f":"1k6/ppp1n1r1/4R2r/nP1p1Q2/P2P1p2/2P2N1P/5PP1/R5K1 b - - 0 26","m":"e7f5 e6e8","r":827,"t":"backRankMate mate mateIn1 middlegame oneMove"},{"i":"05HCz","f":"r5k1/p2b1rp1/2pP3p/4R3/8/3Q4/PB3qPP/4R2K w - - 0 29","m":"e5e2 f2f1 e1f1 f7f1","r":968,"t":"backRankMate mate mateIn2 middlegame sacrifice short"},{"i":"Sz9gw","f":"5rk1/4R1pp/pqp1p3/1p1p4/8/1P3Q2/1PP2PPP/3R2K1 w - - 0 24","m":"f3g4 b6f2 g1h1 f2f1 d1f1 f8f1","r":838,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"kunab","f":"5r2/2qn2k1/2p1Q1pb/pp5p/3pN2P/8/PPP1R1P1/1K1R4 w - - 0 24","m":"d1d4 f8f1 e2e1 f1e1 d4d1 e1d1","r":815,"t":"backRankMate long mate mateIn3 middlegame"},{"i":"8yNAh","f":"5k2/1Rr1ppbp/p2p2p1/5PPn/2qNP1K1/3Q3P/4N3/8 b - - 2 29","m":"c4d3 b7b8 c7c8 b8c8","r":877,"t":"backRankMate mate mateIn2 middlegame short"},{"i":"tyeEK","f":"3r2k1/3B1ppp/8/2Rbp3/8/6P1/1P2PP1P/6K1 b - - 0 25","m":"d8d7 c5c8 d7d8 c8d8","r":924,"t":"backRankMate endgame mate mateIn2 short"},{"i":"yEfeL","f":"3q3k/7n/8/pP1p3Q/1p4B1/1P2r3/2P3PP/5R1K w - - 7 39","m":"f1f7 e3e1 f7f1 e1f1","r":997,"t":"backRankMate endgame mate mateIn2 short"},{"i":"hzQW0","f":"4r1k1/R2p1ppp/2p5/4R3/2b5/5P2/2PB1P1P/3K4 b - - 0 25","m":"e8e5 a7a8 e5e8 a8e8","r":974,"t":"backRankMate endgame mate mateIn2 short"},{"i":"6VHHl","f":"rnb1kr2/pp4pp/2p2q2/4N3/8/1B6/PPPP1bPP/RNBQ1RK1 w q - 0 11","m":"f1f2 f6f2 g1h1 f2f1 d1f1 f8f1","r":800,"t":"backRankMate long mate mateIn3 opening"},{"i":"iyuf2","f":"5r1k/pp4bb/3pQ3/3P3B/4p3/8/PP4PP/6qK w - - 0 32","m":"h1g1 g7d4 g1h1 f8f1","r":808,"t":"backRankMate endgame mate mateIn2 short"},{"i":"4U2mV","f":"5r1k/p4ppp/3Qb3/7q/P3N3/5P2/6PP/3R3K b - - 0 32","m":"f8c8 d6d8 c8d8 d1d8","r":876,"t":"backRankMate endgame master mate mateIn2 sacrifice short"},{"i":"voVa3","f":"2r2rk1/6pp/p1pbR3/3p4/2pP3q/2N5/PPP3PP/R1BQ2K1 w - - 1 17","m":"e6d6 h4f2 g1h1 f2f1 d1f1 f8f1","r":986,"t":"backRankMate long mate mateIn3 middlegame"},{"i":"Jje8M","f":"r5k1/pbQ3pp/1p6/2pp2PP/4q3/2P5/P7/5RK1 b - - 2 24","m":"d5d4 c7f7 g8h8 f7f8 a8f8 f1f8","r":987,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"d94B2","f":"1k1r4/2p2pp1/2Q1b2p/4p3/8/8/1B4PP/q6K w - - 0 31","m":"b2a1 d8d1","r":870,"t":"backRankMate endgame mate mateIn1 oneMove"},{"i":"4YOwp","f":"4r1k1/1p3ppp/p1p5/8/3b3P/PQ4P1/1P3qBK/5R2 b - - 1 23","m":"f2e2 b3f7 g8h8 f7f8 e8f8 f1f8","r":999,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"0qTJX","f":"5r1k/pp2Q1pp/2p5/5q2/4p3/2P1P3/PP4PP/4R1K1 w - - 2 31","m":"g1h1 f5f1 e1f1 f8f1","r":890,"t":"backRankMate endgame mate mateIn2 sacrifice short"},{"i":"bIU6Z","f":"1k1r4/ppp5/8/5r1p/6pP/2PRR3/PP4K1/8 b - - 0 30","m":"d8d3 e3e8 d3d8 e8d8","r":976,"t":"backRankMate endgame mate mateIn2 rookEndgame short"},{"i":"6zjYj","f":"8/1ppqkp2/5p2/4pB2/r5Q1/8/6PP/7K w - - 0 32","m":"f5d7 a4a1 g4d1 a1d1","r":913,"t":"backRankMate endgame mate mateIn2 short"},{"i":"LwRJW","f":"5r1k/p3Q1pp/1p4b1/8/8/2P4P/PP3qP1/4R2K b - - 0 30","m":"f8e8 e7e8 g6e8 e1e8 f2f8 e8f8","r":898,"t":"backRankMate endgame long mate mateIn3"},{"i":"70T5I","f":"2rr4/R5Np/5nk1/8/4p3/8/P4PPP/3R2K1 w - - 1 40","m":"d1d8 c8c1 d8d1 c1d1","r":916,"t":"backRankMate endgame mate mateIn2 short"},{"i":"fozJh","f":"1B5R/p2k2pp/2p1bp2/8/8/2q5/P1P1Q1PP/7K w - - 0 28","m":"h8h7 c3a1 e2d1 a1d1","r":943,"t":"backRankMate endgame mate mateIn2 short"},{"i":"MFnRA","f":"1b2r1k1/5ppp/2R5/8/2pPQ3/1p2P1P1/1B4KP/8 b - - 0 32","m":"e8e4 c6c8 e4e8 c8e8","r":916,"t":"backRankMate endgame fork mate mateIn2 short"},{"i":"1IbDE","f":"1k4n1/ppp5/5p2/8/3P3p/2P1nq2/PP3N1P/R3RBK1 b - - 12 29","m":"e3f1 e1e8","r":953,"t":"backRankMate endgame mate mateIn1 oneMove"},{"i":"HUWmG","f":"r5k1/5ppp/2Q5/pp6/8/1q4PP/7K/2R5 b - - 1 34","m":"a8b8 c6c8 b8c8 c1c8","r":895,"t":"backRankMate endgame mate mateIn2 sacrifice short"},{"i":"slUqH","f":"4r2k/5pp1/2p3bp/2Q5/NP6/2P5/P4PPP/5qK1 w - - 0 28","m":"g1f1 g6d3 f1g1 e8e1","r":859,"t":"backRankMate endgame mate mateIn2 short"},{"i":"JTfJ1","f":"1k5r/pp1N1ppp/4p3/3n4/1q1r1P2/6PP/PPQ5/1KR5 b - - 3 23","m":"b8a8 c2c8 h8c8 c1c8","r":984,"t":"backRankMate mate mateIn2 middlegame sacrifice short"},{"i":"oCP2l","f":"3q2kr/5ppp/p7/1p1R4/1P4b1/P1P5/4R1PP/6K1 b - - 0 33","m":"d8d5 e2e8","r":816,"t":"backRankMate endgame mate mateIn1 oneMove"},{"i":"27zBn","f":"r2r2k1/1p3ppp/8/3pR3/2pP4/P7/1P3PPP/4R1K1 b - - 3 24","m":"d8e8 e5e8 a8e8 e1e8","r":813,"t":"backRankMate endgame mate mateIn2 rookEndgame short"},{"i":"Sma6m","f":"5rk1/pR2Q1p1/7p/8/3q4/8/P4PPP/5RK1 w - - 0 26","m":"f1b1 d4f2 g1h1 f2f1 b1f1 f8f1","r":944,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"XjYqB","f":"1k1r3r/p1p2ppp/1p6/1Nb2P2/P4B2/8/2R2nPP/3B1R1K w - - 3 21","m":"f1f2 d8d1 f2f1 d1f1","r":821,"t":"backRankMate hangingPiece mate mateIn2 middlegame short"},{"i":"d9i6Q","f":"8/R3Qpk1/p2p3p/5rp1/1p1P3q/4P3/PP3PPP/2R3K1 w - - 1 30","m":"e7d8 h4f2 g1h1 f2f1 c1f1 f5f1","r":924,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"KeIBW","f":"r1b1r1k1/pp3ppp/2p5/8/4BB2/2P3P1/P3PP1P/1R1R2K1 b - - 0 18","m":"e8e4 d1d8 e4e8 d8e8","r":955,"t":"backRankMate endgame mate mateIn2 short"},{"i":"sCjlx","f":"k2r4/pp3pp1/2p1p1b1/6P1/8/P4PQ1/KPq4R/8 b - - 3 31","m":"d8d2 h2h8 d2d8 h8d8","r":917,"t":"backRankMate endgame mate mateIn2 short"},{"i":"APGkH","f":"r2r2k1/p4ppp/1qp1p3/8/1P6/P3PQ2/6PP/R4R1K b - - 2 20","m":"d8d3 f3f7 g8h8 f7f8 a8f8 f1f8","r":970,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"AY2FU","f":"2r2rk1/1pQbR3/p2P3p/5q2/8/8/P4PPP/3R2K1 w - - 3 33","m":"c7d7 f5f2 g1h1 f2f1 d1f1 f8f1","r":888,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"RWATA","f":"2r3k1/Q2b1ppp/4p3/1p6/3pq3/PP4PP/6PK/5R2 b - - 0 27","m":"d7c6 a7f7 g8h8 f7f8 c8f8 f1f8","r":862,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"5Ob8f","f":"r1r3k1/p4ppp/8/1pN5/3p4/1b1P2PP/q1P1QPB1/2KRR3 b - - 7 28","m":"c8c5 e2e8 a8e8 e1e8","r":922,"t":"backRankMate mate mateIn2 middlegame sacrifice short"},{"i":"N9UU0","f":"rnb3k1/1p3ppp/pb3n2/8/2P5/3R4/PP3PPP/2K2B1R b - - 0 18","m":"b6f2 d3d8 f6e8 d8e8","r":835,"t":"backRankMate fork mate mateIn2 middlegame short"},{"i":"hSfso","f":"5r1k/p6p/1p3rp1/8/2B1P3/1P5Q/6PP/3R1q1K w - - 3 41","m":"c4f1 f6f1 d1f1 f8f1","r":839,"t":"backRankMate endgame mate mateIn2 short"},{"i":"J4B8P","f":"2kr4/pppn1pp1/8/P2N4/7p/1N4nP/1PP2rP1/2KR4 b - - 5 25","m":"d7e5 d5e7 c8b8 d1d8","r":913,"t":"backRankMate deflection discoveredAttack mate mateIn2 middlegame short"},{"i":"pMbe6","f":"4kr2/8/pq2p3/1p4p1/4P2Q/3R4/PP3PPP/6K1 w - - 0 31","m":"h4g5 b6f2 g1h1 f2e1","r":843,"t":"backRankMate endgame mate mateIn2 short"},{"i":"r2SJ3","f":"r3rQ1k/1pp3pp/p7/4p3/2NnP3/3P3P/q1P2RP1/5R1K b - - 7 24","m":"e8f8 f2f8 a8f8 f1f8","r":804,"t":"backRankMate mate mateIn2 middlegame short"},{"i":"HaXnK","f":"3r2k1/p3Qppp/4p3/8/8/P3P3/6PP/3q1RK1 b - - 2 29","m":"d1d3 e7f7 g8h8 f7f8 d8f8 f1f8","r":899,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"7Czzz","f":"3R1b1k/7p/p5pB/1pq1pr2/2b1Q3/8/1P3PPP/3R2K1 w - - 6 28","m":"h6f8 c5f2 g1h1 f2f1 d1f1 f5f1","r":876,"t":"backRankMate long mate mateIn3 middlegame sacrifice"},{"i":"m9Ai8","f":"rn1r2k1/ppp2pb1/8/4p3/2B1n1Q1/8/PPPqNPPP/R4K1R w - - 4 16","m":"g4e4 d2d1 a1d1 d8d1","r":970,"t":"backRankMate mate mateIn2 middlegame sacrifice short"},{"i":"gp9TV","f":"r4r1k/1p3b1p/p2p1R2/7Q/4P3/3q4/P5PP/5R1K w - - 0 24","m":"f6f7 d3f1 f7f1 f8f1","r":977,"t":"backRankMate endgame mate mateIn2 short xRayAttack"},{"i":"RO5Zr","f":"2kr1b1r/ppp3p1/4Bp1p/4p3/4P3/4n1KP/PP3PP1/3R3R b - - 1 18","m":"c8b8 d1d8","r":977,"t":"backRankMate hangingPiece mate mateIn1 middlegame oneMove"},{"i":"O9cPY","f":"5r1k/p1pq2b1/1p1p3B/8/6Q1/3P4/PPP3PP/6K1 w - - 0 27","m":"g4d7 g7d4 h6e3 d4e3 g1h1 f8f1","r":995,"t":"backRankMate endgame long mate mateIn3"},{"i":"VRiAt","f":"5r1k/pb2b2p/8/2pp3Q/5q2/8/PPP2PPP/R3R1K1 w - - 5 21","m":"e1e7 f4f2 g1h1 f2f1 a1f1 f8f1","r":838,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"ld2ZA","f":"3r1bk1/p4p1p/6p1/1p6/4P3/1P6/R2pRPPP/2rB2K1 w - - 2 25","m":"e2d2 c1d1 d2d1 d8d1","r":943,"t":"backRankMate endgame mate mateIn2 short xRayAttack"},{"i":"9gAMD","f":"7k/p1p3pp/5q2/3p4/4b1Q1/P1P1K3/1P6/R3R2r b - - 5 31","m":"h1h4 g4c8 f6d8 c8d8","r":876,"t":"backRankMate endgame mate mateIn2 short"},{"i":"MWVHs","f":"3r1r2/pp4kp/2pPB1p1/2q5/4n2Q/3R4/PP3PPP/3R2K1 w - - 3 26","m":"h4e4 c5f2 g1h1 f2f1 d1f1 f8f1","r":932,"t":"backRankMate long mate mateIn3 middlegame sacrifice"},{"i":"qlzJH","f":"5q1k/p5pp/1p6/3Q4/3Bn3/P3P3/2P3PP/5K2 w - - 1 28","m":"f1g1 f8f2 g1h1 f2e1","r":880,"t":"backRankMate endgame mate mateIn2 short"},{"i":"x6irT","f":"1r3rk1/1bQ5/p6p/1p1p2p1/8/8/PPP2qPP/2BRR2K w - - 2 23","m":"e1e7 f2f1 d1f1 f8f1","r":826,"t":"backRankMate mate mateIn2 middlegame sacrifice short"},{"i":"iqcbM","f":"4r1k1/pQp2ppp/2n5/8/3P1q2/2P2P2/PP4PP/R2BrRK1 w - - 1 19","m":"b7c6 f4e3 g1h1 e1f1","r":978,"t":"backRankMate deflection mate mateIn2 middlegame short"},{"i":"kFJRV","f":"6k1/1p3ppp/p1p5/3B4/1P6/4r2P/1P4P1/2R3K1 b - - 0 30","m":"c6d5 c1c8 e3e8 c8e8","r":826,"t":"backRankMate endgame mate mateIn2 rookEndgame short"},{"i":"4WQWk","f":"3rR3/pp1P1pkp/5b1q/2PQ4/1PP3p1/P7/5PPP/6K1 w - - 0 35","m":"e8d8 h6c1 d5d1 c1d1","r":914,"t":"backRankMate endgame mate mateIn2 short"},{"i":"5QDq2","f":"3r3Q/p2k1r2/4R3/2p5/8/8/PPPq1PPP/4R1K1 w - - 1 31","m":"h8c3 d2f2 g1h1 f2f1 e1f1 f7f1","r":973,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"VOwV1","f":"7k/2p3pp/2p5/p3r3/RPP3PP/8/8/6K1 b - - 0 30","m":"a5b4 a4a8 e5e8 a8e8","r":973,"t":"backRankMate endgame mate mateIn2 rookEndgame short"},{"i":"0dePb","f":"2Q5/5ppk/5q1p/8/1pN4b/1P6/2P2PPP/1R2r1K1 w - - 2 33","m":"b1e1 f6f2 g1h1 f2e1","r":840,"t":"backRankMate endgame fork mate mateIn2 short"},{"i":"TfeFp","f":"r4r1k/pQ4pp/8/4P3/3Pb1pq/2P5/PP3PPP/R1B1R1K1 w - - 1 24","m":"b7e4 h4f2 g1h1 f2f1 e1f1 f8f1","r":987,"t":"backRankMate long mate mateIn3 middlegame sacrifice"},{"i":"yr902","f":"5r2/1p4k1/p6p/2PP2p1/Pb1P4/4P3/1Q4PP/2n3K1 w - - 0 30","m":"b2b4 c1e2 g1h1 f8f1","r":963,"t":"backRankMate endgame mate mateIn2 short"},{"i":"urq97","f":"2k5/p1p5/1p1p3p/2b5/2PNR1p1/2P3B1/5PPP/r5K1 w - - 1 25","m":"e4e1 a1e1","r":844,"t":"backRankMate endgame hangingPiece mate mateIn1 oneMove"},{"i":"gutPy","f":"2r3k1/5ppp/4p3/p7/3n1P2/4b3/P5PP/1R1B1K2 b - - 1 24","m":"c8c1 b1b8 c1c8 b8c8","r":877,"t":"backRankMate endgame mate mateIn2 short"},{"i":"MSUNh","f":"3r1rk1/pQ3pbp/6p1/4P3/8/1P3N2/P3NPPP/2q3K1 w - - 0 25","m":"e2c1 d8d1 f3e1 d1e1","r":821,"t":"backRankMate endgame fork mate mateIn2 short"},{"i":"b3bpz","f":"r4rk1/1p1R4/p1p1pqp1/4p3/2P3np/1P2P1Q1/P1B2PPP/3R2K1 w - - 0 26","m":"g3g4 f6f2 g1h1 f2f1 d1f1 f8f1","r":980,"t":"backRankMate fork long mate mateIn3 middlegame sacrifice"},{"i":"HSWK1","f":"6k1/p4ppp/4p3/8/3qp3/N5QP/5PPK/2r5 b - - 1 29","m":"c1c3 g3b8 c3c8 b8c8 d4d8 c8d8","r":953,"t":"backRankMate endgame long mate mateIn3"},{"i":"IfzjW","f":"r4Q1k/ppp3pp/2npr3/8/2q5/8/P1PB2PP/R4R1K b - - 5 20","m":"a8f8 f1f8","r":806,"t":"backRankMate mate mateIn1 middlegame oneMove"},{"i":"lEynl","f":"3R2k1/1p4pp/p7/2p5/2P2rB1/P7/1P4PP/4b2K b - - 0 25","m":"f4f8 g4e6 g8h8 d8f8","r":917,"t":"backRankMate deflection endgame mate mateIn2 short"},{"i":"AFZgJ","f":"1r6/p3rpkp/6p1/8/8/Q4B2/PPP2PPP/R3q1K1 w - - 5 26","m":"a1e1 e7e1","r":800,"t":"backRankMate endgame mate mateIn1 oneMove"},{"i":"2C17T","f":"r5k1/pp4pp/4p3/3p3Q/2nq4/P7/1P2N1PP/5R1K b - - 0 24","m":"d4e5 h5f7 g8h8 f7f8 a8f8 f1f8","r":972,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"lzVl1","f":"r5k1/5ppp/pq1p4/2pQ3b/Rr3P2/4B3/1P4PP/5RK1 b - - 1 21","m":"b4a4 d5a8 b6b8 a8b8","r":902,"t":"backRankMate hangingPiece mate mateIn2 middlegame short"},{"i":"sh7c9","f":"6k1/p2b1ppp/1p6/1Pp1rq2/P2p3Q/3P3P/2P2PPN/5R1K b - - 3 27","m":"d7e6 h4d8","r":801,"t":"backRankMate endgame mate mateIn1 oneMove"},{"i":"1SZC7","f":"5rk1/1pp3p1/1p5p/1P6/2P5/P2P2R1/2r2qPP/2RQ3K w - - 8 29","m":"c1c2 f2f1 d1f1 f8f1","r":880,"t":"backRankMate endgame mate mateIn2 short"},{"i":"GTsYE","f":"3r2k1/p1p1bpp1/2p2n1p/4R3/7B/2N5/PrP2PPP/1R4K1 w - - 0 17","m":"e5e7 b2b1 c3b1 d8d1 e7e1 d1e1","r":906,"t":"backRankMate fork long mate mateIn3 middlegame"},{"i":"qz3Vz","f":"5rk1/6pp/1p1P4/pP6/P2Qbq2/2P5/6PP/4R1K1 w - - 0 33","m":"d4e4 f4f2 g1h1 f2f1 e1f1 f8f1","r":978,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"AkwVu","f":"r1b3k1/p5pp/1pp5/6q1/2QPpRn1/4P1P1/PP4PP/6K1 b - - 1 24","m":"g8h8 f4f8","r":876,"t":"backRankMate endgame mate mateIn1 oneMove"},{"i":"7Oibz","f":"1k5r/ppp5/8/4pBp1/P5P1/1K6/7p/6NR b - - 0 35","m":"h2g1q h1h8","r":859,"t":"backRankMate endgame hangingPiece mate mateIn1 oneMove"},{"i":"WOQRC","f":"r1b2rk1/pp5p/2p1pq2/4N2n/3PQ3/P1NR4/1P3PPP/R5K1 w - - 2 23","m":"d3h3 f6f2 g1h1 f2f1 a1f1 f8f1","r":912,"t":"backRankMate long mate mateIn3 middlegame sacrifice"},{"i":"UrjDp","f":"rn2r3/pp4pp/6k1/2PN4/3p4/8/PPb2PPP/R1B2K1R w - - 0 18","m":"d5c7 c2d3 f1g1 e8e1","r":968,"t":"backRankMate mate mateIn2 middlegame short"},{"i":"WSzRb","f":"4r2k/6pp/7q/8/5r2/2Q5/PP1R3P/K4R2 w - - 0 33","m":"f1f4 e8e1 d2d1 e1d1 c3c1 d1c1","r":993,"t":"backRankMate endgame long mate mateIn3"},{"i":"LVj6f","f":"3q2k1/p4ppp/1p2p3/8/7P/5Q2/PP3PP1/6K1 b - - 0 22","m":"d8c7 f3a8 c7b8 a8b8","r":852,"t":"backRankMate endgame mate mateIn2 queenEndgame short"},{"i":"2YH48","f":"1r4k1/5ppp/p7/P1p1p3/4P3/1r1q3P/QR3RP1/7K b - - 0 36","m":"b3b2 a2f7 g8h8 f7f8 b8f8 f2f8","r":999,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"fHwEK","f":"5rk1/ppp1R1pp/1q4p1/3r4/8/2P5/PPQ2PPP/R5K1 w - - 4 19","m":"c2b3 b6f2 g1h1 f2f1 a1f1 f8f1","r":988,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"aev1S","f":"r4k2/p2r1ppp/bp1N4/4Q3/8/8/q1P2PPP/4R1K1 b - - 2 26","m":"d7d6 e5e7 f8g8 e7e8 a8e8 e1e8","r":982,"t":"backRankMate endgame fork long mate mateIn3 sacrifice"},{"i":"3fUzs","f":"3r1rk1/pp4p1/7p/5p2/3q4/P2Q3R/1P3PPP/R5K1 w - - 0 24","m":"d3g3 d4d1 a1d1 d8d1","r":827,"t":"backRankMate endgame mate mateIn2 sacrifice short"},{"i":"V5Tx0","f":"8/1p5N/p2kp3/3p4/3p1R2/8/PP4PP/2r4K w - - 1 33","m":"f4f1 c1f1","r":834,"t":"backRankMate endgame hangingPiece mate mateIn1 oneMove"},{"i":"UZak2","f":"r4r2/3R2bk/p5pp/4p1p1/6Q1/2P3B1/Pq3PPP/3R2K1 w - - 0 28","m":"g3e5 b2f2 g1h1 f2f1 d1f1 f8f1","r":869,"t":"backRankMate long mate mateIn3 middlegame sacrifice"},{"i":"CQZm5","f":"2rr2k1/1Q3ppn/3p3p/2qbpP1N/1p2P1P1/8/PPP4P/1K1R1BR1 w - - 9 31","m":"b7d5 c5c2 b1a1 c2c1 d1c1 c8c1","r":944,"t":"backRankMate long master masterVsMaster mate mateIn3 middlegame sacrifice"},{"i":"BLNMR","f":"3r2k1/r4pbp/p3p1p1/8/2N1n3/1P4B1/PR3PPP/4R1K1 w - - 3 25","m":"e1e4 d8d1 e4e1 d1e1","r":831,"t":"backRankMate mate mateIn2 middlegame short"},{"i":"vpEBZ","f":"3r4/4r2R/pp2p1k1/2p1PpN1/2Pn1P2/6P1/PPP5/2K5 w - - 1 38","m":"h7e7 d4e2 c1b1 d8d1","r":843,"t":"backRankMate endgame mate mateIn2 short"},{"i":"Uhl0E","f":"r4rk1/1b3q1p/ppn1p1p1/2p1b3/P2pBPQ1/3P4/1PPB2PP/R4R1K w - - 0 22","m":"f4e5 f7f1 a1f1 f8f1","r":915,"t":"backRankMate mate mateIn2 middlegame short"},{"i":"IrvOs","f":"3rr1k1/pRp2ppp/2p1b1q1/8/8/5N2/P1P1QPPP/4R1K1 b - - 0 17","m":"e6h3 e2e8 d8e8 e1e8","r":853,"t":"backRankMate mate mateIn2 middlegame short"},{"i":"omPdc","f":"4r2k/P5pp/N1p2p2/3nq3/8/1Q6/P1R2PPP/2R3K1 w - - 1 31","m":"a6b8 e5e1 c1e1 e8e1","r":881,"t":"backRankMate master mate mateIn2 middlegame sacrifice short"},{"i":"5Z8C7","f":"3r2k1/1p2bppp/p1q5/2p1p2Q/P1P1n3/NP1rP1P1/1B1P3P/3R1RK1 b - - 7 25","m":"e7g5 h5f7 g8h8 f7f8 d8f8 f1f8","r":957,"t":"backRankMate long mate mateIn3 middlegame sacrifice"},{"i":"rPOXm","f":"6Qk/p5pp/1pB5/2p1P1q1/P2p4/3P1Rbb/1PP5/R5K1 b - - 0 24","m":"h8g8 c6d5 h3e6 d5e6 g8h8 f3f8","r":930,"t":"backRankMate endgame long mate mateIn3"},{"i":"HGay8","f":"6k1/p1q2ppp/1p6/4Q3/P2P1K2/5PP1/1P5r/R7 b - - 11 33","m":"c7d7 e5b8 d7c8 b8c8","r":998,"t":"backRankMate endgame mate mateIn2 short"},{"i":"WcXAh","f":"r4r1k/p5pp/8/2p1R3/2B5/2Q5/PPP2qPP/4R2K w - - 3 30","m":"e5e2 f2f1 e1f1 f8f1","r":937,"t":"backRankMate mate mateIn2 middlegame sacrifice short"},{"i":"1OLlI","f":"5r1k/p5pp/4Q3/8/8/2P5/2q2PPP/4R1K1 w - - 3 28","m":"c3c4 c2f2 g1h1 f2f1 e1f1 f8f1","r":992,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"aZybn","f":"r2r2k1/p5pp/4Qb2/2p4P/4RP2/2q5/P3R2K/8 b - - 0 32","m":"g8h8 e6e8 d8e8 e4e8 a8e8 e2e8","r":821,"t":"backRankMate long mate mateIn3 middlegame sacrifice"},{"i":"6kUpo","f":"2rr1nk1/4bp1p/pp2p1pQ/2R5/4PB2/P6R/bP3PPP/6K1 w - - 0 23","m":"c5c8 d8d1","r":925,"t":"backRankMate master mate mateIn1 middlegame oneMove"},{"i":"DLQyd","f":"4kr2/2p5/p2p4/1p2pq2/8/2Q5/PP4PP/1R2Rr1K w - - 2 31","m":"e1f1 f5f1 b1f1 f8f1","r":885,"t":"backRankMate endgame mate mateIn2 short"},{"i":"cp2NS","f":"5rk1/pp3ppp/8/3Q4/4P1P1/2r3qP/P5B1/5R1K b - - 3 28","m":"f8c8 d5f7 g8h8 f7f8 c8f8 f1f8","r":860,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"3UuuP","f":"6k1/3r1ppp/8/p1p1q3/2P5/1P6/P4PPP/R2Q2K1 w - - 0 27","m":"d1d7 e5a1 d7d1 a1d1","r":943,"t":"backRankMate endgame hangingPiece mate mateIn2 short"},{"i":"N7lyZ","f":"3r1Q1k/p5pp/6n1/4P1q1/3P4/1P2N3/2PK1R1P/5R2 b - - 2 36","m":"g6f8 f2f8 d8f8 f1f8","r":921,"t":"backRankMate endgame mate mateIn2 short"},{"i":"vd874","f":"5Q1k/6pp/4p1n1/3pP3/3P4/4P2P/1qq3P1/5RK1 b - - 2 34","m":"g6f8 f1f8","r":883,"t":"backRankMate endgame mate mateIn1 oneMove"},{"i":"oicLZ","f":"5r1k/p6p/6p1/4N3/3PQ3/P3P3/5qPP/r5RK w - - 0 27","m":"g1a1 f2f1 a1f1 f8f1","r":901,"t":"backRankMate endgame mate mateIn2 sacrifice short"},{"i":"nur6M","f":"4rk2/2p2ppp/1p3n2/p1P1N3/P4P2/8/2P3PP/4R1K1 b - - 0 23","m":"f6d5 e5d7 f8g8 e1e8","r":964,"t":"backRankMate deflection discoveredAttack endgame mate mateIn2 short"},{"i":"hJzdu","f":"3r3k/p5pp/qp2Qp2/3n4/2rB4/P1PR2P1/K4P1P/4R3 b - - 2 34","m":"a6b7 e6e8 d8e8 e1e8","r":957,"t":"backRankMate mate mateIn2 middlegame sacrifice short"},{"i":"yYczi","f":"2r2k2/2q2rpQ/p4p1p/1p1p1B2/5P2/1P2b3/PB1N2PP/4R2K w - - 5 30","m":"e1e3 c7c1 b2c1 c8c1 e3e1 c1e1 d2f1 e1f1","r":801,"t":"backRankMate mate mateIn4 middlegame sacrifice veryLong"},{"i":"xP2Fd","f":"r4r2/pp3qpp/n3R3/2bp4/k5B1/3Q4/PPPB1PPP/R5K1 w - - 10 25","m":"d3c3 f7f2 g1h1 f2f1 a1f1 f8f1","r":979,"t":"backRankMate long mate mateIn3 middlegame sacrifice"},{"i":"5KzLF","f":"2r3k1/pp1pQ1pp/1q2p3/8/4nr2/1B1R4/PPP2PPP/3R2K1 w - - 14 23","m":"d3d7 b6f2 g1h1 f2f1 d1f1 f4f1","r":993,"t":"backRankMate long mate mateIn3 middlegame sacrifice"},{"i":"VJJM2","f":"rnb2k2/pp4pp/8/8/8/4PB2/Pq4PP/R4RK1 b - - 1 22","m":"f8g8 f3d5 c8e6 d5e6 g8h8 f1f8","r":803,"t":"backRankMate long mate mateIn3 middlegame"},{"i":"lmFGr","f":"2k3nr/ppp2p2/8/6p1/2P4p/P1NRn3/1P2B1PP/6K1 b - - 2 22","m":"e3c4 e2g4 f7f5 g4f5 c8b8 d3d8","r":894,"t":"backRankMate endgame long mate mateIn3"},{"i":"QkhMV","f":"6k1/pp4pp/8/3Nn3/8/1P4P1/P1r4P/5R1K b - - 1 32","m":"e5g4 d5e7 g8h8 f1f8","r":907,"t":"backRankMate endgame mate mateIn2 short"},{"i":"lChXr","f":"r4k1r/3QBppp/2n1p3/8/2q1P3/8/PPP2PPP/2KR3R b - - 0 18","m":"c6e7 d7d8 a8d8 d1d8","r":907,"t":"backRankMate mate mateIn2 middlegame sacrifice short"},{"i":"SqDN8","f":"r4rk1/2Q2Rpp/p7/1p2p3/2n5/1q2P3/6PP/5RK1 b - - 0 29","m":"f8f7 c7f7 g8h8 f7f8 a8f8 f1f8","r":964,"t":"backRankMate endgame long mate mateIn3"},{"i":"oknO6","f":"2r2Q1k/p5pp/b2rp3/p1B1P3/3Pq3/1PR5/P5PP/5RK1 b - - 2 27","m":"c8f8 f1f8","r":878,"t":"backRankMate mate mateIn1 middlegame oneMove"},{"i":"oTQJj","f":"1r4k1/2P2ppp/b7/8/8/2N2N2/2q3PP/3R3K b - - 0 29","m":"b8c8 d1d8 c8d8 c7d8q","r":898,"t":"advancedPawn backRankMate endgame mate mateIn2 promotion short"},{"i":"SDY1X","f":"r1br2k1/pp3ppp/2q1p3/2P1n2Q/2PP4/4B3/P5PP/1R3RK1 b - - 1 21","m":"e5c4 h5f7 g8h8 f7f8 d8f8 f1f8","r":915,"t":"backRankMate long mate mateIn3 middlegame sacrifice"},{"i":"5yRYg","f":"3q3k/1p4pp/p2prb2/3N1Q2/2P3n1/1P6/PB4PP/5RK1 b - - 5 24","m":"f6b2 f5f8 d8f8 f1f8","r":946,"t":"backRankMate mate mateIn2 middlegame short"},{"i":"0meGN","f":"3rkb1r/1pp1npp1/q6p/p3R3/4P3/1P6/PBP1Q1PP/RN5K w k - 6 17","m":"e2a6 d8d1 a6f1 d1f1","r":959,"t":"backRankMate mate mateIn2 middlegame short"},{"i":"BKqia","f":"Nn3r2/pp1k2p1/3p4/2b1p2p/4P3/2NP4/PPP2qPP/R1BQ3K w - - 2 14","m":"c3a4 f2f1 d1f1 f8f1","r":932,"t":"backRankMate mate mateIn2 middlegame short"},{"i":"FggyP","f":"r5k1/2p3pp/p4b2/3rNp2/2N5/1PB5/1P3PPP/R5K1 w - - 2 28","m":"a1a5 d5d1 c3e1 d1e1","r":883,"t":"backRankMate mate mateIn2 middlegame short"},{"i":"WmNfQ","f":"6k1/pp3ppp/8/8/5K2/3r3P/PP2rp2/2R5 b - - 1 32","m":"e2e1 c1c8 d3d8 c8d8 e1e8 d8e8","r":915,"t":"backRankMate endgame long mate mateIn3 rookEndgame"},{"i":"xo77E","f":"5rk1/p1p2qpn/2p4p/3pr3/8/PP1QPNR1/2P3PP/4R1K1 w - - 6 21","m":"f3e5 f7f2 g1h1 f2e1 d3f1 f8f1","r":998,"t":"backRankMate fork long mate mateIn3 middlegame"},{"i":"MMWpY","f":"4r2k/ppp3pp/8/3Q4/5B2/3b2N1/PPq3PP/R6K w - - 1 22","m":"a1c1 c2c1 f4c1 e8e1 g3f1 e1f1","r":970,"t":"backRankMate fork long mate mateIn3 middlegame sacrifice"},{"i":"YHmwL","f":"5r1k/ppp3p1/2b4p/8/PPPq1r2/1Q3B2/6PP/4RR1K w - - 4 24","m":"f3c6 f4f1 e1f1 f8f1","r":975,"t":"backRankMate mate mateIn2 middlegame short"},{"i":"wKaBW","f":"3r1rk1/pp3Rpp/7b/4P3/7q/1QP1p3/PP5P/1K3R2 b - - 0 29","m":"f8f7 b3f7 g8h8 f7f8 d8f8 f1f8","r":904,"t":"backRankMate endgame long mate mateIn3"},{"i":"1EiBC","f":"6k1/p4ppp/1p2p3/4Q3/2P3b1/6K1/PP1r3P/8 b - - 4 29","m":"g4f5 e5b8 d2d8 b8d8","r":923,"t":"backRankMate endgame mate mateIn2 short"},{"i":"CBsXt","f":"r2nq2k/ppp3pp/3P4/2b1PQ2/4p3/4P3/PPPB2PP/5RK1 b - - 0 20","m":"c7d6 f5f8 e8f8 f1f8","r":882,"t":"backRankMate mate mateIn2 middlegame short"},{"i":"fswtw","f":"5rk1/p3b1pp/3p4/2p2q2/2Pp4/1P6/PB3PPP/R3Q1K1 w - - 2 18","m":"e1e7 f5f2 g1h1 f2f1 a1f1 f8f1","r":996,"t":"backRankMate endgame fork long mate mateIn3 sacrifice"},{"i":"d6G4T","f":"1r2r3/pp1R1Qpk/4qbN1/8/8/8/PP3PPP/3R2K1 w - - 1 25","m":"g6f4 e6e1 d1e1 e8e1","r":951,"t":"backRankMate mate mateIn2 middlegame sacrifice short"},{"i":"GFXuo","f":"r1r4k/pp2R1pp/4Q3/5p2/5b2/1Pq5/P4PPP/4R1K1 b - - 4 26","m":"f4g5 e7e8 c8e8 e6e8 a8e8 e1e8","r":809,"t":"backRankMate long mate mateIn3 middlegame sacrifice"},{"i":"tzm5Z","f":"5rk1/pp4n1/2pN3Q/5r2/3q1P2/8/PPP4P/1K4R1 w - - 0 29","m":"d6f5 d4g1","r":952,"t":"backRankMate endgame hangingPiece mate mateIn1 oneMove"},{"i":"QTUn0","f":"5r2/pk4pp/1p6/2p5/Q7/2N3B1/PPP4P/1K6 w - - 11 39","m":"c3d5 f8f1 g3e1 f1e1","r":959,"t":"backRankMate endgame mate mateIn2 short"},{"i":"dojFW","f":"5rk1/5q1p/6p1/2pP4/p1P1Q3/P7/2B3PP/R5K1 w - - 1 26","m":"c2a4 f7f2 g1h1 f2f1 a1f1 f8f1","r":935,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"yQhuA","f":"3r2k1/p5pp/1p2Qbr1/2p2p2/P7/1PPP2qP/3B2P1/1R2R2K b - - 0 24","m":"g8h8 e6e8 d8e8 e1e8","r":991,"t":"backRankMate mate mateIn2 middlegame sacrifice short"},{"i":"qmq6Q","f":"5rk1/p5pp/2Q5/3p2p1/1PbR4/P3P1B1/2q2rPP/R5K1 w - - 0 23","m":"g3f2 c2f2 g1h1 f2f1 a1f1 f8f1","r":980,"t":"backRankMate long mate mateIn3 middlegame"},{"i":"hqssQ","f":"5r1k/6pp/8/2pQ4/P2p1r2/4q3/1P4PP/R4RK1 w - - 0 28","m":"g1h1 f4f1 a1f1 f8f1","r":889,"t":"backRankMate endgame mate mateIn2 short"},{"i":"IYOtr","f":"8/5k2/1Q3p2/2P2q1p/6p1/4p3/6PP/4R1K1 w - - 0 46","m":"c5c6 f5f2 g1h1 f2e1","r":949,"t":"backRankMate endgame fork mate mateIn2 short"},{"i":"WTWaQ","f":"2r3k1/5pp1/P5b1/4p3/4P3/5P2/1p4PP/1q4QK w - - 0 40","m":"g1b1 c8c1 b1c1 b2c1q","r":946,"t":"advancedPawn backRankMate endgame fork mate mateIn2 promotion short"},{"i":"ZC9IO","f":"rn3Qk1/pp3ppp/2p2p2/8/8/7P/qPPB1PP1/2K1RB1R b - - 0 15","m":"g8f8 d2b4 c6c5 b4c5 f8g8 e1e8","r":920,"t":"backRankMate long mate mateIn3 middlegame"},{"i":"NoDua","f":"3Q2k1/ppp2ppq/1bn4p/7P/6b1/2P2NN1/P4PP1/1R2R1K1 b - - 0 21","m":"c6d8 e1e8","r":997,"t":"backRankMate mate mateIn1 middlegame oneMove"},{"i":"8MSpb","f":"2r3k1/5ppp/2Q5/2p5/P7/8/5PPP/1R4K1 b - - 0 28","m":"c8c6 b1b8 c6c8 b8c8","r":933,"t":"backRankMate endgame mate mateIn2 rookEndgame short"},{"i":"DSvyO","f":"4kr2/pp5R/3P4/4P1b1/8/P7/1P4PP/6K1 w - - 1 32","m":"e5e6 g5e3 g1h1 f8f1","r":907,"t":"backRankMate endgame mate mateIn2 short"},{"i":"GT03q","f":"r3Q1kr/ppp1Rppp/8/6q1/1BP5/P5P1/5K2/5B2 b - - 3 32","m":"a8e8 e7e8","r":941,"t":"backRankMate endgame mate mateIn1 oneMove"},{"i":"eIKhn","f":"r5k1/1P3ppp/8/p1Q5/8/4P3/5K2/q7 b - - 0 32","m":"a8b8 c5c8 b8c8 b7c8q","r":923,"t":"advancedPawn backRankMate endgame mate mateIn2 promotion short"},{"i":"PpvMD","f":"6k1/5ppp/Pb1p1p2/8/4P3/8/3r1PPP/1R4K1 w - - 0 29","m":"b1b6 d2d1","r":869,"t":"backRankMate endgame mate mateIn1 oneMove rookEndgame"},{"i":"WVHpP","f":"r1bq2k1/1p3ppp/1P6/p1P1r3/P3p3/3N2P1/Q6P/R4RK1 b - - 1 24","m":"e4d3 a2f7 g8h8 f7f8 d8f8 f1f8","r":846,"t":"backRankMate long mate mateIn3 middlegame"},{"i":"lyO1s","f":"3r2k1/5ppp/2p5/p7/1p3q2/5P1P/PPP1Q3/4R1K1 b - - 3 30","m":"f4f5 e2e8 d8e8 e1e8","r":829,"t":"backRankMate endgame mate mateIn2 sacrifice short"},{"i":"ofpPz","f":"3q2k1/p3Rpp1/2r1p2p/8/4P3/3r4/P1Q2PPP/1R4K1 w - - 0 25","m":"c2c6 d3d1 b1d1 d8d1","r":808,"t":"backRankMate endgame mate mateIn2 short"},{"i":"z7Lwb","f":"5rqk/p6p/2p4Q/4p1p1/3r4/1P6/P1P3PP/5R1K w - - 0 28","m":"f1f8 d4d1 f8f1 d1f1","r":804,"t":"backRankMate endgame mate mateIn2 short"},{"i":"OXBO8","f":"r1bq2k1/ppp2pp1/3brn1p/2p1N3/3P1B2/1QP5/PP3PPP/RN2R1K1 w - - 2 13","m":"e5f7 e6e1","r":926,"t":"backRankMate hangingPiece mate mateIn1 oneMove opening"},{"i":"TATuL","f":"2r3k1/5ppp/Q3pqb1/1p6/8/1P3P2/P1r1R1PP/4R2K b - - 0 31","m":"c2e2 a6c8 f6d8 c8d8","r":983,"t":"backRankMate endgame hangingPiece mate mateIn2 short"},{"i":"Fve2H","f":"r1b1k2r/pp1p1ppp/2pP4/8/3q2P1/8/P1P1QP1P/1R4KR b kq - 0 17","m":"e8f8 e2e7 f8g8 e7d8","r":993,"t":"backRankMate mate mateIn2 middlegame short"},{"i":"ugRnL","f":"5rk1/pp1bbqpp/2pQ4/3p4/8/2N5/PPPB1PPP/3R2K1 w - - 0 21","m":"d6d7 f7f2 g1h1 f2f1 d1f1 f8f1","r":840,"t":"backRankMate long mate mateIn3 middlegame sacrifice"},{"i":"V0HNO","f":"2Q4k/5ppp/3n2q1/2p5/4r3/6N1/P1P2PP1/3R2K1 b - - 0 32","m":"d6c8 d1d8 e4e8 d8e8","r":805,"t":"backRankMate endgame fork mate mateIn2 short"},{"i":"FK5fv","f":"r3r1k1/ppp1qppp/3p4/8/3Q1B2/2N5/PPP2PPP/R4K2 w - - 3 14","m":"c3d5 e7e2 f1g1 e2e1 a1e1 e8e1","r":983,"t":"backRankMate long mate mateIn3 middlegame sacrifice"},{"i":"aZoa3","f":"5r2/1b3q1p/p2kn3/1p1p1BB1/2pN2Q1/P1P5/1P4PP/R5K1 w - - 3 30","m":"f5e6 f7f2 g1h1 f2f1 a1f1 f8f1","r":994,"t":"backRankMate long mate mateIn3 middlegame sacrifice"},{"i":"l1Pgu","f":"2k5/1pp2ppp/1q2p3/7n/5r2/2N2Q2/PPP2PPP/1R4K1 w - - 7 20","m":"f3h5 b6f2 g1h1 f2f1 b1f1 f4f1","r":818,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"KRIDk","f":"4Rbk1/R5pp/8/3p2B1/3P1p2/N1P5/r4PPP/6K1 w - - 2 28","m":"a7a8 a2a1 a3b1 a1b1 e8e1 b1e1","r":998,"t":"backRankMate endgame long mate mateIn3"},{"i":"Qp1FP","f":"5rk1/p5p1/3pR2p/b2N4/6Q1/8/1P3qPP/r5RK w - - 4 31","m":"g1a1 f2f1 a1f1 f8f1","r":905,"t":"backRankMate mate mateIn2 middlegame sacrifice short"},{"i":"lYiIz","f":"4q1k1/1r3p1p/5Qp1/6N1/4p3/8/5PPP/3R2K1 w - - 0 32","m":"d1d8 b7b1 d8d1 b1d1","r":853,"t":"backRankMate endgame mate mateIn2 short"},{"i":"q0qYG","f":"2r2rk1/p3R1pp/8/2B5/N1Pp1n2/8/P5PP/5RK1 w - - 1 25","m":"e7a7 f4e2 g1h1 f8f1","r":934,"t":"backRankMate deflection discoveredAttack mate mateIn2 middlegame short"},{"i":"peoMQ","f":"4r1k1/ppp2ppp/3pq2P/8/2P1r3/1P2PQ2/P5P1/2K1RR2 b - - 0 21","m":"e6h6 f3f7 g8h8 f7f8 e8f8 f1f8","r":987,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"IpwUt","f":"6k1/3r2pp/1p6/p1pN4/2K5/7n/PP6/5R2 b - - 5 31","m":"d7d6 d5e7 g8h8 f1f8","r":919,"t":"backRankMate endgame mate mateIn2 short"},{"i":"0gnk0","f":"5r1k/6pp/7q/R3p3/2P5/3P3P/5QP1/4R1K1 b - - 0 28","m":"f8f2 a5a8 f2f8 a8f8","r":853,"t":"backRankMate endgame master mate mateIn2 queenRookEndgame short"},{"i":"IPClX","f":"2r4k/6pp/2P2pn1/8/7P/3p4/6PK/R7 b - - 1 46","m":"c8c6 a1a8 c6c8 a8c8 g6f8 c8f8","r":842,"t":"backRankMate endgame long mate mateIn3"},{"i":"sAF3b","f":"4nrk1/6p1/bpBPpq2/p1p1N2Q/2P5/8/P2B1PPP/R5K1 w - - 3 24","m":"c6e8 f6f2 g1h1 f2f1 a1f1 f8f1","r":969,"t":"backRankMate fork long mate mateIn3 middlegame sacrifice"},{"i":"QiNFO","f":"2r3k1/5ppp/p1q5/P2p1Q2/1p1P4/1r2B3/6PP/5RK1 b - - 1 29","m":"b3e3 f5f7 g8h8 f7f8 c8f8 f1f8","r":880,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"WwZ1f","f":"3r3k/p1pb2pp/2p1r3/q7/5Q2/2P5/PP4PP/R4RK1 b - - 1 23","m":"d8e8 f4f8 e8f8 f1f8","r":925,"t":"backRankMate mate mateIn2 middlegame sacrifice short"},{"i":"PUwM9","f":"2r5/pp4k1/6p1/4Pn2/q2pN3/3P1Q2/PP4P1/1K5R w - - 1 32","m":"g2g4 a4c2 b1a1 c2c1 h1c1 c8c1","r":953,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"tOjvw","f":"r2r1k2/1p3p1p/8/3P1N2/1p6/8/2P2PPP/1R4K1 w - - 0 24","m":"b1b4 a8a1 b4b1 a1b1","r":938,"t":"backRankMate endgame mate mateIn2 short"},{"i":"wAi0L","f":"R1b2r2/4B1bk/3p2pp/1p1QP3/8/8/1P4PP/4Rq1K w - - 2 24","m":"e1f1 f8f1","r":958,"t":"backRankMate mate mateIn1 middlegame oneMove"},{"i":"TJIOi","f":"2r3k1/Q4ppp/4p3/3p4/5b1P/1N4q1/P4R2/5K2 b - - 0 27","m":"f4e3 a7f7 g8h8 f7f8 c8f8 f2f8","r":907,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"JiJdR","f":"5rk1/5rp1/1q5p/p7/1p1N4/1Q6/P5PP/3R1R1K w - - 2 35","m":"d4e6 f7f1 d1f1 f8f1","r":927,"t":"backRankMate mate mateIn2 middlegame short"},{"i":"Fa97g","f":"r1b1r1k1/pp3ppp/1q6/3QP3/5B1b/1B6/PPP2RP1/RN5K b - - 0 16","m":"b6f2 d5f7 g8h8 f7e8","r":957,"t":"backRankMate fork mate mateIn2 middlegame short"},{"i":"bplfR","f":"1k5r/pp6/2pQP2n/2p4p/8/8/PPPR1p2/1K1b2q1 b - - 3 27","m":"b8a8 d6d8 h8d8 d2d8","r":835,"t":"backRankMate endgame mate mateIn2 sacrifice short"},{"i":"SfLCX","f":"1r2rnk1/p1p1qppp/1p6/3p4/8/4BQ2/PPP2PPP/3RR1K1 w - - 0 20","m":"e3b6 e7e1 d1e1 e8e1","r":867,"t":"backRankMate mate mateIn2 middlegame short"},{"i":"gyZ6k","f":"r1b1r1k1/5ppp/p2R4/1p6/4N3/1P3N1P/1PP3P1/5RK1 b - - 0 18","m":"e8e4 d6d8 e4e8 d8e8","r":845,"t":"backRankMate endgame mate mateIn2 short"},{"i":"OVXeV","f":"3R2k1/pp2rppp/8/5P2/5qP1/8/PPP4P/1K2R3 b - - 1 25","m":"e7e8 e1e8","r":918,"t":"backRankMate endgame hangingPiece master mate mateIn1 oneMove queenRookEndgame"},{"i":"cnArm","f":"3r1rk1/p2QRNb1/1p4p1/7p/8/8/q4PPP/3R2K1 w - - 5 27","m":"f7d8 a2f2 g1h1 f2f1 d1f1 f8f1","r":991,"t":"backRankMate long mate mateIn3 middlegame sacrifice"},{"i":"miBDx","f":"5rk1/2pb2qp/p2p2p1/3P4/2pbPB2/1P6/P1BQ2PP/5R1K w - - 0 34","m":"f4h6 f8f1","r":919,"t":"backRankMate hangingPiece mate mateIn1 middlegame oneMove"},{"i":"rtKos","f":"r2q1k2/pp2nppQ/5b2/8/3p4/1B1P3R/PPPr2PP/4R2K w - - 3 24","m":"e1e7 d2d1 e7e1 d1e1","r":944,"t":"backRankMate mate mateIn2 middlegame short"},{"i":"oBksE","f":"4r1k1/p6p/5Qp1/1P3n2/4qN2/8/PP6/K4R2 w - - 8 37","m":"f4g6 e4e1 f1e1 e8e1","r":837,"t":"backRankMate endgame mate mateIn2 sacrifice short"},{"i":"h2rdi","f":"3r1rk1/1pp2ppp/p4n2/4R3/8/8/PPP2PPP/R1B3K1 w - - 0 16","m":"b2b3 d8d1 e5e1 d1e1","r":923,"t":"backRankMate endgame mate mateIn2 short"},{"i":"kN5gM","f":"1k1r4/ppp4p/4Q3/4p3/8/8/PPP2qPP/2K4R w - - 2 20","m":"e6e5 f2d2 c1b1 d2d1 h1d1 d8d1","r":974,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"Yehh4","f":"Q5k1/5ppp/1q1pp3/1p6/1P1Pb3/4PN2/1P2BPPP/K1R5 b - - 0 25","m":"e4a8 c1c8 b6d8 c8d8","r":806,"t":"backRankMate endgame fork mate mateIn2 short"},{"i":"FCZtE","f":"r6k/1pq3pp/2p2pb1/4p3/1p3PP1/1P1PR2P/r1P1Q1B1/4R1K1 b - - 0 37","m":"e5f4 e3e8 g6e8 e2e8 a8e8 e1e8","r":919,"t":"backRankMate long mate mateIn3 middlegame sacrifice"},{"i":"tFC6k","f":"1r4k1/2p2ppp/2n5/p1P5/2QN4/P3q2P/1r4P1/2R2R1K b - - 1 29","m":"e3d4 c4f7 g8h8 f7f8 b8f8 f1f8","r":862,"t":"backRankMate long mate mateIn3 middlegame sacrifice"},{"i":"82Aow","f":"2Q2bk1/4pp1p/1q1p2p1/1P6/3rn2B/8/4BPPP/3R2K1 w - - 2 29","m":"h4e7 d4d1 e2d1 b6f2 g1h1 f2e1","r":987,"t":"backRankMate discoveredAttack long mate mateIn3 middlegame"},{"i":"D0tw1","f":"5k2/1p3ppp/p2p4/1P3b2/8/B3R2P/r4PP1/6K1 b - - 0 32","m":"a6a5 a3d6 f8g8 e3e8","r":922,"t":"backRankMate endgame mate mateIn2 short"},{"i":"vUbna","f":"1r1r2k1/5ppp/p1Q1pq2/2p5/8/2P4P/PP1R1PP1/3R2K1 b - - 4 22","m":"f6f4 d2d8 b8d8 d1d8","r":844,"t":"backRankMate endgame mate mateIn2 short"},{"i":"3bEm0","f":"6k1/pR3p1p/4p1p1/8/P7/2rr4/5PPP/3R2K1 w - - 0 23","m":"d1d3 c3c1 d3d1 c1d1","r":860,"t":"backRankMate endgame master mate mateIn2 rookEndgame short"},{"i":"ru95R","f":"2Q5/4qpkp/p1p3p1/8/1PP1N3/P1b1r3/6PP/3R3K w - - 3 31","m":"e4c3 e3e1 d1e1 e7e1","r":902,"t":"backRankMate endgame mate mateIn2 short"},{"i":"nQg7B","f":"1k4r1/ppp2p2/2nb1p1p/7p/3P1q2/2P4B/PP3PQ1/R3R2K b - - 5 22","m":"g8g2 e1e8 c6d8 e8d8","r":817,"t":"backRankMate mate mateIn2 middlegame short"},{"i":"5Y352","f":"2b1rrk1/1p2q1bp/p2R1np1/5p2/2N5/1PN2Q1P/P4PPB/3R2K1 w - - 7 29","m":"c4b6 e7e1 d1e1 e8e1","r":901,"t":"backRankMate mate mateIn2 middlegame sacrifice short"},{"i":"XHSYx","f":"3R1bk1/1p3ppb/1rp4p/p3rn2/5N2/1P4PP/P2R1PB1/6K1 b - - 7 26","m":"f5e7 d8f8 g8f8 d2d8","r":963,"t":"attraction backRankMate master mate mateIn2 middlegame sacrifice short"},{"i":"OoDcd","f":"8/6pk/7p/4pp2/3q4/8/Q4PPP/R5K1 w - - 1 46","m":"a2c2 d4a1 c2b1 a1b1","r":865,"t":"backRankMate endgame hangingPiece mate mateIn2 short"},{"i":"Jz22w","f":"2rR2k1/p1P2ppp/7n/4P3/1B4P1/2P4P/5P1K/1q6 b - - 0 33","m":"c8d8 c7d8q","r":926,"t":"advancedPawn backRankMate endgame mate mateIn1 oneMove promotion"},{"i":"uu0Ck","f":"4rr2/pp4pk/3P4/7p/2B5/8/PPPq4/1K1R1R2 w - - 0 28","m":"d1d2 f8f1 c4f1 e8e1 d2d1 e1d1","r":866,"t":"backRankMate endgame fork long mate mateIn3"},{"i":"S5XuV","f":"N1b1r1k1/pp4bp/8/5pp1/2P1n3/3pB3/PP3PPP/R2B1K1R w - - 0 19","m":"e3a7 e4d2 f1g1 e8e1","r":900,"t":"backRankMate mate mateIn2 middlegame short"},{"i":"gs59P","f":"1r4k1/pP3ppp/4p3/4b3/r2p4/7P/5PP1/1RR3K1 b - - 2 31","m":"d4d3 c1c8 b8c8 b7c8q","r":839,"t":"advancedPawn backRankMate endgame mate mateIn2 promotion short"},{"i":"ZMu1D","f":"2R2rk1/pp3ppp/8/3p4/8/P2P1Q1P/1q4P1/5R1K b - - 0 23","m":"f8c8 f3f7 g8h8 f7f8 c8f8 f1f8","r":873,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"pYHHS","f":"r2N2k1/pp4pp/2p3b1/4p1b1/1nBP4/6P1/PPP4P/5RK1 b - - 0 20","m":"g8h8 f1f8","r":901,"t":"backRankMate mate mateIn1 middlegame oneMove"},{"i":"esoCL","f":"3qr1k1/p2r1ppp/3Q1n2/8/8/2N5/PPP2PPP/R2R2K1 w - - 1 19","m":"d6f4 d7d1 a1d1 d8d1 c3d1 e8e1","r":874,"t":"backRankMate long mate mateIn3 middlegame sacrifice"},{"i":"VKkeU","f":"5rk1/pp3ppp/4q3/8/3p1Q2/8/RPrP1PPP/2B1R1K1 w - - 1 21","m":"e1e6 c2c1 e6e1 c1e1","r":858,"t":"backRankMate endgame hangingPiece mate mateIn2 short"},{"i":"ABeGf","f":"r4rk1/pQp3pp/4p3/4pq2/3P4/2P3R1/PP4PP/R5K1 w - - 0 19","m":"b7c7 f5f2 g1h1 f2f1 a1f1 f8f1","r":956,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"20Ccf","f":"3q1rk1/5Rpp/3p4/2pQ4/1r6/4P3/P5PP/5RK1 b - - 0 25","m":"f8f7 d5f7 g8h8 f7f8 d8f8 f1f8","r":838,"t":"backRankMate endgame long mate mateIn3"},{"i":"TbSRY","f":"4r1k1/R5p1/6pp/8/3pn3/P3P1B1/1P3PPP/5K2 w - - 0 30","m":"e3d4 e4d2 f1g1 e8e1","r":828,"t":"backRankMate endgame mate mateIn2 short"},{"i":"yXRWH","f":"5rk1/pp4pp/1qn1R3/3p4/4n3/1B6/PPP2PPP/RN1Q2K1 w - - 0 15","m":"e6e4 b6f2 g1h1 f2f1 d1f1 f8f1","r":854,"t":"backRankMate long mate mateIn3 middlegame"},{"i":"hwZ2V","f":"2kr4/1p5R/p4p1p/4p3/8/1PP5/1P3PPP/6K1 w - - 5 28","m":"h7h6 d8d1","r":974,"t":"backRankMate endgame mate mateIn1 oneMove rookEndgame"},{"i":"Rv0A5","f":"r1b2rk1/pp3ppp/2n5/4p1q1/3PP3/1Q2P3/PP2N1BP/R4RK1 b - - 0 15","m":"f8d8 b3f7 g8h8 f7f8 d8f8 f1f8","r":827,"t":"backRankMate long mate mateIn3 middlegame sacrifice"},{"i":"nwN4X","f":"1k2Q2r/ppp5/2n4p/8/3P4/2P2R2/qP4P1/2K1R3 b - - 1 34","m":"h8e8 e1e8 c6d8 e8d8","r":815,"t":"backRankMate endgame mate mateIn2 short"},{"i":"EewXU","f":"5r1k/p1q3pp/1p2Q3/3R4/8/5P2/P1r3PP/4R1K1 b - - 0 26","m":"f8c8 e6e8 c8e8 e1e8","r":927,"t":"backRankMate endgame mate mateIn2 sacrifice short"},{"i":"pOn8M","f":"r5k1/pp4pp/5p2/2p1R3/2P4q/3P1Q1P/PP4K1/5R2 b - - 0 29","m":"f6e5 f3f7 g8h8 f7f8 a8f8 f1f8","r":995,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"Q06ux","f":"rn3Qk1/pp3ppp/2p5/1q1b4/5BP1/P5P1/3R3K/4R3 b - - 0 33","m":"g8f8 f4d6 f8g8 e1e8","r":908,"t":"backRankMate mate mateIn2 middlegame short"},{"i":"pFnmt","f":"5r1k/p5bp/1p4p1/2q1p3/5NQ1/8/PPP2PPP/3R2K1 w - - 2 27","m":"f4e6 c5f2 g1h1 f2f1 d1f1 f8f1","r":978,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"I3frc","f":"4rrk1/1b1p2bp/3P2p1/1p2q1n1/2p1Np2/P1N2Q2/1PB2PPP/1R2R1K1 w - - 3 31","m":"e4g5 e5e1 b1e1 e8e1","r":907,"t":"backRankMate mate mateIn2 middlegame short"},{"i":"sGjEu","f":"r2Br1k1/1bp2ppp/p2p4/8/2N5/1Pn4P/P1P2PP1/R2QR1K1 b - - 0 15","m":"c3d1 e1e8","r":891,"t":"backRankMate hangingPiece mate mateIn1 middlegame oneMove"},{"i":"L86RN","f":"3r2k1/2R2ppp/8/8/3Bp3/6P1/2p1PP1P/6K1 b - - 0 37","m":"d8d4 c7c8 d4d8 c8d8","r":802,"t":"backRankMate endgame mate mateIn2 rookEndgame short"},{"i":"6vVg6","f":"r7/ppk2rp1/1q2b3/6B1/6Q1/2N5/PP3PPP/3RR1K1 w - - 3 23","m":"e1e6 b6f2 g1h1 f2f1 d1f1 f7f1","r":912,"t":"backRankMate long mate mateIn3 middlegame sacrifice"},{"i":"Cte3m","f":"4kr2/6Qp/6p1/8/5R2/4q3/PP4PP/R5K1 w - - 0 35","m":"f4f2 e3f2 g1h1 f2f1 a1f1 f8f1","r":875,"t":"backRankMate endgame long mate mateIn3"},{"i":"ynBNA","f":"3r1rk1/1QRn2pp/p4b2/8/1P2NB2/nq2P3/5PPP/3R2K1 w - - 3 22","m":"c7d7 b3d1 d7d1 d8d1","r":945,"t":"backRankMate mate mateIn2 middlegame short xRayAttack"},{"i":"FtTxg","f":"6k1/p1pq1ppp/3p2r1/1P2r3/2P5/6PP/P4PQ1/3R1RK1 b - - 2 21","m":"e5h5 g2a8 d7c8 a8c8","r":974,"t":"backRankMate endgame mate mateIn2 short"},{"i":"nEO3X","f":"1k5r/pp5p/3r1p2/8/2Q5/3P4/PP2q1PP/2R4K b - - 1 24","m":"h8d8 c4c7 b8a8 c7c8 d8c8 c1c8","r":955,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"OVG8v","f":"b4rk1/5ppp/p1nQ4/1p2P3/8/1q3N2/4BPPP/3R1K2 b - - 1 26","m":"f8d8 d6d8 c6d8 d1d8","r":950,"t":"backRankMate mate mateIn2 middlegame short"},{"i":"IiAgz","f":"5r1k/2P3b1/1n4Qp/p7/8/1B2B3/PP4PP/6K1 w - - 0 31","m":"e3h6 g7d4 h6e3 d4e3 g1h1 f8f1","r":911,"t":"backRankMate endgame long mate mateIn3"},{"i":"F9IPU","f":"r1br2k1/1p3ppp/pbp2n2/2N1p2N/1P1q4/P4Q2/1P1P2PP/R1B2R1K b - - 1 21","m":"f6h5 f3f7 g8h8 f7f8 d8f8 f1f8","r":931,"t":"backRankMate fork long mate mateIn3 middlegame sacrifice"},{"i":"kRo1D","f":"r1b1R3/ppp3pk/3p3p/5r2/PPBP2Q1/2N5/5qPP/R1B3K1 w - - 1 18","m":"g1h1 f2f1 c4f1 f5f1","r":909,"t":"backRankMate mate mateIn2 middlegame sacrifice short"},{"i":"y9CfX","f":"r3k2r/1b1pnppp/p3p3/1pq1P3/4NP2/3Q4/PPP3PP/2KR1B1R b kq - 2 13","m":"b7e4 d3d7 e8f8 d7d8 a8d8 d1d8","r":923,"t":"backRankMate long mate mateIn3 middlegame sacrifice"},{"i":"dsRGt","f":"4r2k/1pp3rp/6p1/p3np2/Pq1P1Q2/1B6/1PP2PPP/1RB1R1K1 w - - 1 23","m":"e1e5 b4e1 e5e1 e8e1","r":936,"t":"backRankMate mate mateIn2 middlegame sacrifice short xRayAttack"},{"i":"OMbxi","f":"2r4k/pp4pp/3b4/3qp3/P6Q/1P2P3/1Br2PPP/3R2K1 w - - 0 25","m":"d1d5 c2c1 b2c1 c8c1 d5d1 c1d1","r":851,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"4osnF","f":"5r1k/6p1/5r1p/p7/P1Q5/2P5/5qPP/2R1R2K w - - 0 28","m":"c4e4 f2f1 e1f1 f6f1 c1f1 f8f1","r":998,"t":"backRankMate endgame long mate mateIn3 sacrifice"},{"i":"SNBFP","f":"6k1/3Nbpp1/7p/2P5/P7/r7/5PPP/3R2K1 w - - 1 33","m":"d1d4 a3a1 d4d1 a1d1","r":813,"t":"backRankMate endgame mate mateIn2 short"},{"i":"T1r5T","f":"k6r/pp3pb1/2p2p2/3p4/N2P2P1/1B2q3/PPP5/1K2R3 w - - 0 32","m":"e1e3 h8h1 e3e1 h1e1","r":928,"t":"backRankMate endgame mate mateIn2 short"},{"i":"LYz4Q","f":"1k1r1r2/n3R3/2p4p/6p1/1p6/8/6PP/R4B1K w - - 2 41","m":"a1a7 f8f1","r":959,"t":"backRankMate endgame hangingPiece mate mateIn1 oneMove"},{"i":"RYwVc","f":"r2r2k1/5pp1/p2q3p/2p5/P1Q5/1P2P3/2R2PPP/1R4K1 w - - 2 23","m":"c4c5 d6d1 b1d1 d8d1","r":859,"t":"backRankMate endgame mate mateIn2 sacrifice short"},{"i":"rtZ7L","f":"5rk1/1pB3pp/p1p5/5N1q/4P1n1/3P4/PPP3P1/5RK1 b - - 2 23","m":"g4e3 f5e7 g8h8 f1f8","r":961,"t":"backRankMate deflection discoveredAttack endgame mate mateIn2 short"},{"i":"8pzFC","f":"r4qk1/p1pR3p/2Q1R1pn/8/8/8/P4PPP/1r2N1K1 w - - 5 27","m":"e6f6 b1e1","r":818,"t":"backRankMate hangingPiece mate mateIn1 middlegame oneMove"},{"i":"Nk4bo","f":"3r2k1/pQ3p1p/6p1/2p2b2/8/P1n1PN2/1R2BPPP/3q2K1 w - - 3 29","m":"e2d1 d8d1 f3e1 d1e1","r":849,"t":"backRankMate mate mateIn2 middlegame short"},{"i":"yN7hb","f":"2R4r/4kppp/4pn2/3pq3/8/5Q2/4NPPP/6K1 w - - 2 22","m":"c8h8 e5a1 e2c1 a1c1 f3d1 c1d1","r":867,"t":"backRankMate endgame long mate mateIn3"},{"i":"8Sgv4","f":"1r2n2k/r2qpQ1p/pp1p2p1/2P5/PP2P3/3P2PP/5RB1/6K1 b - - 0 29","m":"e8g7 f7f8 b8f8 f2f8","r":907,"t":"backRankMate mate mateIn2 middlegame sacrifice short"},{"i":"5nhXv","f":"5r1k/1pp3pp/p7/3QB3/3Pp2b/3b4/PP4PP/R4q1K w - - 3 26","m":"a1f1 f8f1","r":870,"t":"backRankMate endgame mate mateIn1 oneMove"},{"i":"loNo4","f":"3rr1k1/1b3ppp/1q1p4/1NbPn3/p1B2B2/P7/1P2QPPP/4RRK1 b - - 8 20","m":"e5c4 e2e8 d8e8 e1e8","r":939,"t":"backRankMate mate mateIn2 middlegame short"},{"i":"CwZBd","f":"3r2k1/r4ppp/3P4/pq6/2p1Q3/5P2/1P4PP/3RR2K b - - 2 25","m":"a7d7 e4e8 d8e8 e1e8","r":951,"t":"backRankMate endgame mate mateIn2 sacrifice short"},{"i":"FsJ9h","f":"3r4/ppk5/n5B1/3Q1P2/8/8/P4PPP/6K1 w - - 1 28","m":"d5d1 d8d1","r":852,"t":"backRankMate endgame hangingPiece mate mateIn1 oneMove"},{"i":"8r9wB","f":"3r2k1/5ppp/R3p3/1P6/2N5/1BPrP3/1P2nnPP/5R1K w - - 5 22","m":"f1f2 d3d1 b3d1 d8d1 f2f1 d1f1","r":949,"t":"backRankMate long mate mateIn3 middlegame sacrifice"},{"i":"N3itG","f":"3rr3/pQ4p1/5k1p/8/8/8/PP3PPP/4R1K1 w - - 1 27","m":"e1e8 d8d1 e8e1 d1e1","r":917,"t":"backRankMate endgame mate mateIn2 queenRookEndgame short"},{"i":"D0JF9","f":"3r2k1/2Q2p1p/p5p1/8/8/1P6/P2q1PPP/b4RK1 w - - 0 30","m":"f1a1 d2d1 a1d1 d8d1","r":802,"t":"backRankMate endgame mate mateIn2 sacrifice short"},{"i":"Yc7Fk","f":"7Q/p1p1bkp1/5n1p/3N4/8/8/PPq3P1/K2R4 w - - 0 25","m":"d5e7 c2d1","r":902,"t":"backRankMate endgame hangingPiece mate mateIn1 oneMove"},{"i":"KAPgX","f":"r4r1k/pQ2N1pp/1b3p2/2p1p3/6q1/1B5R/PP3PPP/3R2K1 w - - 6 27","m":"b3f7 g4d1","r":937,"t":"backRankMate hangingPiece mate mateIn1 middlegame oneMove"},{"i":"EykcT","f":"4r1k1/1Q5p/6p1/p4p2/8/2P5/P4RPP/1R2q2K w - - 1 33","m":"b1e1 e8e1 f2f1 e1f1","r":939,"t":"backRankMate endgame mate mateIn2 queenRookEndgame short"},{"i":"HNgaj","f":"6k1/5ppp/Q2pq3/4p3/1P1n4/P1r1P3/6PP/3R2K1 b - - 0 30","m":"c3e3 a6a8 e6c8 a8c8","r":978,"t":"backRankMate endgame mate mateIn2 short"},{"i":"pMFIj","f":"3q2k1/5ppp/p3p3/3R4/8/1Q5P/5PP1/6K1 b - - 0 31","m":"d8d5 b3b8 d5d8 b8d8","r":977,"t":"backRankMate endgame mate mateIn2 queenEndgame short"},{"i":"1ofvp","f":"5r1k/pQ4bp/8/3p4/8/8/P1P3PP/6qK w - - 0 25","m":"h1g1 g7d4 g1h1 f8f1","r":884,"t":"backRankMate endgame mate mateIn2 short"}]