e2e1q d2e1 f4e3 c6e5 e3d4 e1e2 d4c5 e2d3

1. Candidate f4f3: +30cp; Bucket: equal
2. Candidate e2e1q: +30cp; Bucket: equal
3. Candidate f4e4: +30cp; Bucket: equal
4. Candidate f4f5: +30cp; Bucket: equal
5. Candidate f4g5: +30cp; Bucket: equal
6. Best: e2e1q

Verdict: broken
Faulty line: 6
Error type: wrong_best
Correction: Best should be f4f3.

Candidate f4f3: +30cp; Bucket: equal
Candidate e2e1q: +30cp; Bucket: equal
Candidate f4e4: +30cp; Bucket: equal
Candidate f4f5: +30cp; Bucket: equal
Candidate f4g5: +30cp; Bucket: equal
Best: f4f3

Candidate f4f3: +30cp; Bucket: equal
Candidate e2e1q: +30cp; Bucket: equal
Candidate f4e4: +30cp; Bucket: equal
Candidate f4f5: +30cp; Bucket: equal
Candidate f4g5: +30cp; Bucket: equal
Best: e2e1q


crushing endgame master masterVsMaster pawnEndgame quietMove short


rnbqr1k1/ppp2ppp/8/3P4/3Pn3/1P3N2/PR1NBPPP/3Q1RK1 b - - 0 13


advantage kingsideAttack long middlegame


bishopEndgame crushing endgame long master quietMove


rnb2rk1/ppp1qpp1/4p2p/8/2PPp3/4P3/PP1N1PPP/R2QKB1R b KQ -

f7f5 f1e2 e6e5 d4d5 b8d7 d1b3 a7a5 e1g1 g8h7 a1c1


attraction equality kingsideAttack long middlegame


b5c6 f5g5 c6d7 g5h5 d7e7 h5g5 e7f7 g5f5 f7g7 f5g4


endgame hangingPiece mate mateIn1 oneMove


r4rk1/2pq1pbp/1pnp1np1/pQ2p3/P3P3/2PP1NPb/1P1N1PBP/R1B1R1K1 w - - 2 13

crushing master masterVsMaster middlegame short


r2qkbnr/pp3ppp/2n1p3/1B1p4/8/2N2Q1P/PPPP1PP1/R1B1K2R w KQkq -

c3e2 g8f6 e1g1 a7a6 b5c6 b7c6 c2c4 f8d6 d2d4 h7h6


advantage deflection fork master middlegame short


rnbqk2r/ppp2ppp/4pn2/3p4/2PP4/P1b2N2/1P2PPPP/R1BQKB1R w KQkq -

b2c3 c7c5 a3a4 e8g8 c1a3 d8a5 a3c5 a5c3 f3d2 f8e8


kingsideAttack mate mateIn2 middlegame short


crushing endgame master rookEndgame short trappedPiece


attraction crushing deflection endgame short


crushing discoveredAttack middlegame short


crushing defensiveMove endgame long pawnEndgame


d2e2 e4e5 e2d3 e5d5 e3e4 d5c5 d3c3 c5d6 c3d4 d6e6


r1bqkbnr/pp2pppp/2n5/3p4/3P4/P2B4/1PP2PPP/RNBQK1NR b KQkq -

c6d4 g1f3 d4c6 b2b4 c8g4 c1b2 g8f6 e1g1 e7e6 b1d2


e4c3 g1d4 g7g5 d4c3 g5h5 g2g4 h5h6 a8c7 d7b6 c3d4


advantage discoveredAttack endgame short


r1bqkb1r/pp1ppp1p/2n3p1/4P2n/2B2Q2/2p5/PP3PPP/RNB1K1NR w KQkq - 3 8


f7f5 e4f5 g5f6 g2f1 e5e4 e1e2 c2d3 h4g2 f6f5 g2e1


1. Candidate h5g7: +26cp; Bucket: equal
2. Candidate b8b6: +18cp; Bucket: equal
3. Candidate e5e4: +9cp; Bucket: equal
4. Candidate f6g5: -27cp; Bucket: equal
5. Candidate b8g8: -46cp; Bucket: equal
6. Best: b8b6

Verdict: broken
Faulty line: 6
Error type: wrong_best
Correction: Best should be h5g7.

Candidate h5g7: +26cp; Bucket: equal
Candidate b8b6: +18cp; Bucket: equal
Candidate e5e4: +9cp; Bucket: equal
Candidate f6g5: -27cp; Bucket: equal
Candidate b8g8: -46cp; Bucket: equal
Best: h5g7

Candidate h5g7: +26cp; Bucket: equal
Candidate b8b6: +18cp; Bucket: equal
Candidate e5e4: +9cp; Bucket: equal
Candidate f6g5: -27cp; Bucket: equal
Candidate b8g8: -46cp; Bucket: equal
Best: b8b6


mate mateIn2 middlegame queensideAttack short


advancedPawn crushing deflection endgame exposedKing hangingPiece long promotion


advancedPawn crushing endgame knightEndgame long


crushing deflection endgame rookEndgame short


c4c5 c7b7 c5d6 b7a6 d6e5 b6b7 e5e4 b7b8q e4f5 a6b5


endgame mate mateIn1 oneMove rookEndgame


r1bqk2r/ppp2ppp/3p1nn1/3Pp1B1/1bP1P3/2N2N2/PP3PPP/R2QKB1R w KQkq - 0 8


f3f2 a7a8q f2f1q a8a7 e3d2 g3g4 f1f6 a7a2

e3d4 a7a8q d4c5 a8b7 f3f2 g3f2 c5d6 f2f3

e3e2 a7a8q f3f2 a8f3 e2e1 f3f2 e1d1 f2c5

e3e4 a7a8q e4e5 g3f3 e5d4 a8c6 d4d3 c6d5

e3d3 a7a8q d3d4 a8c6 d4e3 c6f3 e3d2 f3c6


kingsideAttack mate mateIn1 middlegame oneMove


r1bqk1nr/ppp2p1p/3b2p1/8/2BP3n/2N2Q2/PPP2P2/R1B2K1R w kq - 2 13


g6g3 d6c6 g3d3 c6c5 d3d4 c5c6 d4b4 c6c7 e4e5 c7c6


crushing endgame master masterVsMaster pawnEndgame short


b1a1 c3d4 a1a2 d4c5 a2b3 d5f4 b3c2 d3e5 c2b1 e5g4


r1bqkbnr/3p1ppp/p1p5/2p1p3/4P3/1P6/PBPP1PPP/RN1QK1NR w KQkq -


rn1qk1nr/ppp2ppp/3b4/8/6b1/5N2/PPP1PPPP/RNBQKB1R w KQkq -

d1d4 g8f6 c1g5 b8d7 d4g4 f6g4 g5d8 e8d8 e2e3 c7c6


b1a2 a4b2 a1b1 d3a6 a2b2 a6e2 b2a3 c8c2 b1b2 e2a6


mate mateIn1 middlegame oneMove queensideAttack


crushing discoveredAttack master masterVsMaster opening short


r1bq1rk1/1pppbppp/p1n2n2/4p3/2B1P3/2NP1N2/PPP2PPP/R1BQ1RK1 w - -

a2a4 h7h6 h2h3 e7c5 c1e3 d7d6 e3c5 d6c5 c3d5 c8e6


advantage intermezzo master middlegame short


mate mateIn1 middlegame oneMove pillsburysMate


advantage intermezzo long middlegame sacrifice


g3f4 h6h5 f4e4 h5g5 e4e5 h3h4 e5e6 h4h5 e6e7 h5h6


crushing exposedKing long middlegame quietMove


r1bqk1r1/3pnpBp/p1n1p1p1/4P3/2ppN3/8/PPPQ1PPP/R3K1NR w KQq - 1 12


c4f1 d4d5 g5f4 d5d6 f1b5 d6d5 c8f5 d5d4 f5e5


r3kbnr/1pp2pp1/p1p5/4p3/4P1p1/8/PPPP1PPq/RNBQR1K1 w kq -

g1f1 h2h1 f1e2 h1g2 d2d3 g2f3 e2d2 f3f2 d1e2 f8c5


crushing defensiveMove endgame rookEndgame short


r3kbnr/p1p1qpp1/bp1p3p/3P1P2/2N1P3/2P5/PP4PP/R1BQ1RK1 w kq - 1 14


advantage defensiveMove middlegame short


advantage discoveredAttack discoveredCheck kingsideAttack long middlegame


advantage capturingDefender exposedKing middlegame pin skewer veryLong


cornerMate kingsideAttack mate mateIn1 middlegame oneMove


crushing discoveredAttack middlegame short


r3k2r/1bqp1ppp/pp2p3/2b5/P2NP1nB/1QN5/1PB2PPP/2R2RK1 b kq - 0 15


advancedPawn mate mateIn2 middlegame promotion short


crushing defensiveMove endgame fork long


endgame kingsideAttack mate mateIn1 oneMove


crushing endgame rookEndgame short skewer


1. Candidate c6c7: +284cp; Bucket: clear advantage
2. Candidate c6e6: +276cp; Bucket: clear advantage
3. Candidate c6c8: +252cp; Bucket: clear advantage
4. Candidate b7b8: +171cp; Bucket: clear advantage
5. Candidate b7c7: +163cp; Bucket: clear advantage
6. Best: c6e6

Verdict: broken
Faulty line: 6
Error type: wrong_best
Correction: Best should be c6c7.

Candidate c6c7: +284cp; Bucket: clear advantage
Candidate c6e6: +276cp; Bucket: clear advantage
Candidate c6c8: +252cp; Bucket: clear advantage
Candidate b7b8: +171cp; Bucket: clear advantage
Candidate b7c7: +163cp; Bucket: clear advantage
Best: c6c7

Candidate c6c7: +284cp; Bucket: clear advantage
Candidate c6e6: +276cp; Bucket: clear advantage
Candidate c6c8: +252cp; Bucket: clear advantage
Candidate b7b8: +171cp; Bucket: clear advantage
Candidate b7c7: +163cp; Bucket: clear advantage
Best: c6e6


b7c6 d3e4 c6b7 e4d5 e5e4 d5e4 b7c6 e4d4 c6b7 d4d5


bishopEndgame endgame mate mateIn1 oneMove


advancedPawn advantage endgame long promotion


crushing master middlegame pin sacrifice short


r1bq1rk1/pp3ppp/2n2n2/2pp4/3P4/P1PBP3/4NPPP/R1BQK2R w KQ -

a1b1 f8e8 e1g1 c6a5 f2f3 a7a6 e2g3 c5d4 c3d4 h7h5


a6b5 a7b5 d5c5 b5a7 c5c4 c7c6 c4b3 a7b5 b3c4 c6b6


endgame mate mateIn1 oneMove rookEndgame


r3kb1r/pp4p1/2p2pb1/3p2Pp/3Pq2P/4BN1B/PPQK1P2/2R4R b kq - 0 18

advantage deflection exposedKing long middlegame


r2q1rk1/ppp2p2/2n5/2bnp1p1/3p1Pb1/PP1P4/1BPQP1B1/RN2K1NR w KQ - 0 14


crushing discoveredAttack kingsideAttack master opening short


bishopEndgame crushing endgame master quietMove short


endgame long mate mateIn3 pillsburysMate sacrifice


advancedPawn crushing endgame long pawnEndgame promotion


e7f6 g1g2 e6f4 g3f4 f6f4 b4d6 f4g4 g2f1 g4h3 f1g1


rnbqkb1r/pp3ppp/2p1pn2/8/3P4/4BN2/PPPN2PP/R2QKB1R w KQkq -

f1d3 b8d7 d1e2 f8e7 h1f1 f6d5 e1c1 e8g8 d2e4 c6c5


attraction endgame mate mateIn2 sacrifice short


crushing exposedKing fork long middlegame sacrifice


crushing defensiveMove endgame long pawnEndgame zugzwang


crushing kingsideAttack long middlegame pin


advantage master masterVsMaster middlegame short


1. Candidate a2a4: +18cp; Bucket: equal
2. Candidate f1e1: +10cp; Bucket: equal
3. Candidate e4e5: +7cp; Bucket: equal
4. Candidate f1f3: +7cp; Bucket: equal
5. Candidate f1h1: +5cp; Bucket: equal
6. Best: f1e1

Verdict: broken
Faulty line: 6
Error type: wrong_best
Correction: Best should be a2a4.

Candidate a2a4: +18cp; Bucket: equal
Candidate f1e1: +10cp; Bucket: equal
Candidate e4e5: +7cp; Bucket: equal
Candidate f1f3: +7cp; Bucket: equal
Candidate f1h1: +5cp; Bucket: equal
Best: a2a4

Candidate a2a4: +18cp; Bucket: equal
Candidate f1e1: +10cp; Bucket: equal
Candidate e4e5: +7cp; Bucket: equal
Candidate f1f3: +7cp; Bucket: equal
Candidate f1h1: +5cp; Bucket: equal
Best: f1e1


backRankMate endgame mate mateIn1 oneMove rookEndgame


advancedPawn crushing defensiveMove endgame exposedKing long promotion


rnbq1rk1/ppp1ppb1/3p1npp/8/2PPP3/2N1B2P/PP3PP1/R2QKBNR b KQ -

c7c5 g1f3 c5d4 f3d4 b8c6 f1e2 c8d7 d4f3 a8c8 e1g1


advancedPawn crushing endgame exposedKing fork long


advantage defensiveMove endgame master short


d2e3 f4g5 a2a4 d7g4 f3g2 h3h5 b1d2 g5e3 a1e1 b5a4


a2d2 c5c6 e7d7 b5b4 d2d5 c6b6 d7b7 b6a6 d5b5


mate mateIn1 middlegame oneMove queensideAttack


advancedPawn advantage endgame promotion short


kingsideAttack mate mateIn1 middlegame oneMove


arabianMate endgame mate mateIn1 oneMove


e5c4 a8b7 c4b6 b7b8 d6c6 b8a7 d4e5 a7a6 e5b8 a6a5


rnb1kb1r/pppp1pp1/4p2p/4P3/3P4/5N2/q1PN1PPP/1R1QKB1R w Kkq -

c2c4 a2a5 b1a1 a5c3 a1c1 c3b4 c4c5 b7b6 c1b1 b4a5


crushing defensiveMove discoveredAttack endgame pin veryLong


backRankMate deflection endgame fork long mate mateIn3 sacrifice


backRankMate endgame long mate mateIn3 sacrifice


h6h5 g4h5 g7h6 a4e8 h6g7 e8f7 g7h8 e7f8 h8h7 f7g6


b3b2 f2f3 b2b1 h5e5 b1h1 e5e7 h1g1 e7d7 g1h1 d7d6


e4e8 d7e8 f6g5 e8d7 g5g4 f5e7 g4g5 d7e6 g5f4 e6d5


advantage discoveredAttack endgame pin short


advantage defensiveMove hangingPiece master middlegame short


r1bq1rk1/ppp2ppp/8/3pP3/2P1n3/P7/2P2PPP/R1BQRBK1 b - -

c7c6 d1d4 d8b6 d4b6 a7b6 c4d5 c6d5 c1e3 c8d7 e1b1


r2qk1nr/ppp2ppp/8/3pPb2/1b6/2N5/PP2PPPP/R1BQKB1R w KQkq - 1 8


advantage defensiveMove middlegame short


attraction crushing fork long middlegame sacrifice


advancedPawn crushing discoveredAttack discoveredCheck endgame queenEndgame veryLong


advantage defensiveMove endgame fork pin veryLong


advantage attraction endgame exposedKing veryLong


advantage discoveredAttack master middlegame short


r4r2/p1q1ppkp/1p1p1np1/8/2PQb3/1P3NP1/P3PPBP/3R1RK1 w - -


g4h4 h7g8 h4e7 h8a1 a6b7 a1b1 b7c7 b1c2 c7d8 c2f5


c8f8 f7g7 c7c8q d7e7 f8h8 g7g6 b4e7 g6f7

g2h1 d7d1 h1g2 d1c1 c8f8 f7e6 c7c8q c1c8

h3h4 d7e7 b4e7 f7e7 c8h8 g5h4 c7c8r e7d7

1. Candidate c8f8: M6; Bucket: forced mate
2. Candidate c8h8: +1080cp; Bucket: decisive
3. Candidate f2f3: +1056cp; Bucket: decisive
4. Candidate g2h1: +984cp; Bucket: decisive
5. Candidate h3h4: +979cp; Bucket: decisive
6. Best: c8h8

Verdict: broken
Faulty line: 6
Error type: wrong_best
Correction: Best should be c8f8.

Candidate c8f8: M6; Bucket: forced mate
Candidate c8h8: +1080cp; Bucket: decisive
Candidate f2f3: +1056cp; Bucket: decisive
Candidate g2h1: +984cp; Bucket: decisive
Candidate h3h4: +979cp; Bucket: decisive
Best: c8f8

Candidate c8f8: M6; Bucket: forced mate
Candidate c8h8: +1080cp; Bucket: decisive
Candidate f2f3: +1056cp; Bucket: decisive
Candidate g2h1: +984cp; Bucket: decisive
Candidate h3h4: +979cp; Bucket: decisive
Best: c8h8


crushing discoveredAttack middlegame short


e2d3 d6c5 d3e4 c5c6 e4d4 c6d6 c3b4 d6d7 d4d5 d7c7


cornerMate kingsideAttack mate mateIn2 middlegame sacrifice short


rnbqkbnr/ppp2ppp/4p3/8/2Pp4/3P2P1/PP2PPBP/RNBQK1NR b KQkq -

a7a5 g1f3 f8b4 c1d2 g8e7 e1g1 e8g8 e2e3 b8c6 e3d4


rnbqkbnr/ppp1p3/5p2/3p4/3P2p1/5N2/PPP1PPPB/RN1QKB1R w KQkq -

h2c7 h8h1 c7d8 g4f3 g2f3 e8d8 d1d3 f6f5 e2e4 f8h6


crushing endgame pawnEndgame quietMove short


advancedPawn crushing endgame long rookEndgame


collinearMove discoveredAttack discoveredCheck mate mateIn2 middlegame pillsburysMate short


advantage master middlegame short skewer


b1h1 h3h1 e5e4 h1d1 e4e5 g2f3 e5e6 f3e3 d5d6 e3d4


a2c1 g8f7 c2d3 d4e5 c1b3 g7g5 b3a5 f7e6 a5b3 e6d5


r1bqnrk1/pp1nbppp/8/3p2N1/2BP1P2/8/PPQ3PP/RNB2RK1 w - - 0 12

kingsideAttack mate mateIn1 oneMove opening


rn2kbnr/pp2ppp1/1qp4p/3p1b2/3P3B/4P3/PPPN1PPP/R2QKBNR w KQkq -

g1f3 b8d7 d1c1 a7a5 c2c4 e7e6 f1e2 g8f6 a2a3 a5a4


kingsideAttack mate mateIn1 middlegame oneMove


r1bqkbnr/pp1npppp/2p5/8/3PN3/8/PPPQ1PPP/R1B1KBNR b KQkq -

g8f6 e4f6 d7f6 g1f3 c8g4 f3e5 g4f5 f1e2 f6d7 e2d3


crushing discoveredAttack endgame rookEndgame short


advancedPawn crushing endgame pawnEndgame veryLong


r1b1kb1r/pp2pppp/2n2n2/2Pp4/5B2/2q1PN2/P2N1PPP/2RQKB1R b Kkq -

c3b4 f1e2 e7e6 e1g1 f8e7 f3e5 e8g8 e5c6 b7c6 d1c2


a1f1 g7f7 e8f8 c5f8 h6f8 f7f1 g1f1 g8f8 f1e2 c4b2


mate mateIn1 middlegame oneMove smotheredMate


r6r/1ppq1kbp/3n4/2pPp1PR/p1P1Pp2/2N2P2/PPQN1K2/R7 b - -


crushing exposedKing master middlegame veryLong


2r3k1/pp1bpp1p/q2p1npQ/8/2r1P1PP/1NN2P2/PPP5/2KR3R w - -

1. Candidate h4h5: +122cp; Bucket: slight edge
2. Candidate d1d3: +116cp; Bucket: slight edge
3. Candidate c1b1: +98cp; Bucket: slight edge
4. Candidate h6e3: +76cp; Bucket: slight edge
5. Candidate e4e5: +63cp; Bucket: slight edge
6. Best: d1d3

Verdict: broken
Faulty line: 6
Error type: wrong_best
Correction: Best should be h4h5.

Candidate h4h5: +122cp; Bucket: slight edge
Candidate d1d3: +116cp; Bucket: slight edge
Candidate c1b1: +98cp; Bucket: slight edge
Candidate h6e3: +76cp; Bucket: slight edge
Candidate e4e5: +63cp; Bucket: slight edge
Best: h4h5

Candidate h4h5: +122cp; Bucket: slight edge
Candidate d1d3: +116cp; Bucket: slight edge
Candidate c1b1: +98cp; Bucket: slight edge
Candidate h6e3: +76cp; Bucket: slight edge
Candidate e4e5: +63cp; Bucket: slight edge
Best: d1d3


crushing endgame rookEndgame short skewer


crushing hangingPiece long middlegame skewer


crushing endgame queenEndgame quietMove veryLong


1. Candidate e1b1: -17cp; Bucket: equal
2. Candidate e1c1: -26cp; Bucket: equal
3. Candidate b2b3: -33cp; Bucket: equal
4. Candidate a1a3: -46cp; Bucket: equal
5. Candidate a1a2: -47cp; Bucket: equal
6. Best: e1c1

Verdict: broken
Faulty line: 6
Error type: wrong_best
Correction: Best should be e1b1.

Candidate e1b1: -17cp; Bucket: equal
Candidate e1c1: -26cp; Bucket: equal
Candidate b2b3: -33cp; Bucket: equal
Candidate a1a3: -46cp; Bucket: equal
Candidate a1a2: -47cp; Bucket: equal
Best: e1b1

Candidate e1b1: -17cp; Bucket: equal
Candidate e1c1: -26cp; Bucket: equal
Candidate b2b3: -33cp; Bucket: equal
Candidate a1a3: -46cp; Bucket: equal
Candidate a1a2: -47cp; Bucket: equal
Best: e1c1


1. Candidate b8c8: -506cp; Bucket: winning
2. Candidate f6f5: -507cp; Bucket: winning
3. Candidate d4c3: -518cp; Bucket: winning
4. Candidate f6d6: -523cp; Bucket: winning
5. Candidate c5b4: -546cp; Bucket: winning
6. Best: f6f5

Verdict: broken
Faulty line: 6
Error type: wrong_best
Correction: Best should be b8c8.

Candidate b8c8: -506cp; Bucket: winning
Candidate f6f5: -507cp; Bucket: winning
Candidate d4c3: -518cp; Bucket: winning
Candidate f6d6: -523cp; Bucket: winning
Candidate c5b4: -546cp; Bucket: winning
Best: b8c8

Candidate b8c8: -506cp; Bucket: winning
Candidate f6f5: -507cp; Bucket: winning
Candidate d4c3: -518cp; Bucket: winning
Candidate f6d6: -523cp; Bucket: winning
Candidate c5b4: -546cp; Bucket: winning
Best: f6f5


rnbqkb1r/pp2pppp/1n6/2p5/8/1BNP4/PPP2PPP/R1BQK1NR b KQkq -

b8c6 d1f3 e7e6 g1e2 f8d6 c1f4 d6f4 f3f4 e8g8 e1c1


r1bqkb1r/p2ppppp/2p2n2/8/4P3/3B4/PPP2PPP/RNBQK2R b KQkq -

e7e5 e1g1 f8e7 d1e2 e8g8 h2h3 a8b8 f1d1 d8c7 d1e1


crushing defensiveMove endgame long rookEndgame


advancedPawn endgame mate mateIn2 promotion short


master mate mateIn1 middlegame oneMove operaMate


clearance crushing discoveredAttack long middlegame


r3k2r/ppp1bppp/4b3/3p4/1q1P4/3BB3/P1P1QPPP/R3R1K1 w kq -


crushing kingsideAttack master middlegame short


advancedPawn crushing endgame promotion short


deflection mate mateIn4 middlegame veryLong


g2h3 e6f6 h3g4 f6g6 d4e5 g6g7 e5e6 g7g6 g4f5 g6g7


e3f2 f4d2 b1d3 g4f4 d3g6 d2e3 f2g2 e3d4 g6e8 c7c5


r1bq1rk1/pp1nppbp/3N2pn/6B1/3P1P2/5N2/PPP3PP/R2QKB1R b KQ - 0 10


advancedPawn crushing endgame pawnEndgame quietMove veryLong


rnbqkb1r/pp2pppp/2p2n2/8/P1B5/5N1P/1Pp2PP1/RNBQK2R w KQkq - 0 7

advantage attackingF2F7 deflection opening short


crushing middlegame pin queensideAttack short


r1bqkb1r/p2p1ppp/2p2n2/4p1B1/4P3/2N5/PPP2PPP/R2QKB1R b KQkq -

h7h6 g5f6 d8f6 f1c4 f8c5 e1g1 a7a5 d1d2 f6d6 d2e2


rnb2rk1/1p3ppp/1q3n2/p2p4/1b1N4/4P1P1/PPQB1PBP/RN3K1R b - -

1. Candidate b8c6: +135cp; Bucket: slight edge
2. Candidate c8d7: +89cp; Bucket: slight edge
3. Candidate f8e8: +87cp; Bucket: slight edge
4. Candidate h7h5: +85cp; Bucket: slight edge
5. Candidate h7h6: +75cp; Bucket: slight edge
6. Best: c8d7

Verdict: broken
Faulty line: 6
Error type: wrong_best
Correction: Best should be b8c6.

Candidate b8c6: +135cp; Bucket: slight edge
Candidate c8d7: +89cp; Bucket: slight edge
Candidate f8e8: +87cp; Bucket: slight edge
Candidate h7h5: +85cp; Bucket: slight edge
Candidate h7h6: +75cp; Bucket: slight edge
Best: b8c6

Candidate b8c6: +135cp; Bucket: slight edge
Candidate c8d7: +89cp; Bucket: slight edge
Candidate f8e8: +87cp; Bucket: slight edge
Candidate h7h5: +85cp; Bucket: slight edge
Candidate h7h6: +75cp; Bucket: slight edge
Best: c8d7


r2q1rk1/pp2bppp/4pn2/2pP1b2/5B2/2P2N2/P1PQBPPP/R4RK1 w - - 1 12


c3e3 b7b5 c4b3 a7a5 a2a3 a8e8 e3e5 a5a4 b3a2 b5b4