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"version": "1.1.0",
"card_encoding": {
"description": "Card index mapping for all models",
"order": [
"CJ", "SJ", "HJ", "DJ",
"CA", "CT", "CK", "CQ", "C9", "C8", "C7",
"SA", "ST", "SK", "SQ", "S9", "S8", "S7",
"HA", "HT", "HK", "HQ", "H9", "H8", "H7",
"DA", "DT", "DK", "DQ", "D9", "D8", "D7"
],
"pad_index": 32,
"num_cards": 32
},
"game_type_encoding": {
"description": "Game type index mapping",
"DIAMONDS": 0,
"HEARTS": 1,
"SPADES": 2,
"CLUBS": 3,
"GRAND": 4,
"NULL": 5
},
"position_encoding": {
"description": "Player position index mapping",
"FOREHAND": 0,
"MIDDLEHAND": 1,
"REARHAND": 2
},
"bid_values": {
"description": "Valid bid values in Skat, indexed 0-62",
"values": [
18, 20, 22, 23, 24, 27, 30, 33, 35, 36, 40, 44, 45, 46, 48,
50, 54, 55, 59, 60, 63, 66, 70, 72, 77, 80, 81, 84, 88, 90,
96, 99, 100, 108, 110, 117, 120, 121, 126, 130, 132, 135,
140, 143, 144, 150, 153, 154, 156, 160, 162, 165, 168, 170,
176, 180, 187, 192, 198, 204, 216, 240, 264
],
"num_levels": 63
},
"models": {
"bidding_dense": {
"description": "Pre-skat bidding evaluation (MLP). Predicts win probability at each bid level.",
"inputs": {
"features": {
"shape": ["batch", 35],
"dtype": "float32",
"description": "Concatenated one-hot vectors: 32 cards + 3 position"
}
},
"outputs": {
"pickup_probs": {
"shape": ["batch", 63],
"dtype": "float32",
"description": "Win probability at each bid level if picking up skat"
},
"hand_probs": {
"shape": ["batch", 63],
"dtype": "float32",
"description": "Win probability at each bid level for hand game"
}
}
},
"bidding_transformer": {
"description": "Pre-skat bidding evaluation (Transformer). Uses attention on card indices.",
"inputs": {
"hand_cards": {
"shape": ["batch", 10],
"dtype": "int64",
"description": "Card indices (0-31) for the 10 cards in hand"
},
"position": {
"shape": ["batch"],
"dtype": "int64",
"description": "Player position index (0-2)"
}
},
"outputs": {
"pickup_probs": {
"shape": ["batch", 63],
"dtype": "float32",
"description": "Win probability at each bid level if picking up skat"
},
"hand_probs": {
"shape": ["batch", 63],
"dtype": "float32",
"description": "Win probability at each bid level for hand game"
}
}
},
"game_eval_dense": {
"description": "Post-skat game evaluation (MLP). Predicts win probability for a game configuration.",
"inputs": {
"features": {
"shape": ["batch", 75],
"dtype": "float32",
"description": "Concatenated: 32 hand one-hot + 32 skat one-hot + 6 game type one-hot + 3 position one-hot + 1 hand flag + 1 normalized bid"
}
},
"outputs": {
"win_prob": {
"shape": ["batch"],
"dtype": "float32",
"description": "Probability of winning the game"
}
}
},
"game_eval_transformer": {
"description": "Post-skat game evaluation (Transformer). Uses attention on card indices.",
"inputs": {
"hand_cards": {
"shape": ["batch", 10],
"dtype": "int64",
"description": "Card indices (0-31) for the 10 cards in hand"
},
"skat_cards": {
"shape": ["batch", 2],
"dtype": "int64",
"description": "Card indices for skat cards, padded with 32"
},
"skat_len": {
"shape": ["batch"],
"dtype": "int64",
"description": "Actual number of skat cards (0, 1, or 2)"
},
"game_type": {
"shape": ["batch"],
"dtype": "int64",
"description": "Game type index (0-5)"
},
"position": {
"shape": ["batch"],
"dtype": "int64",
"description": "Player position index (0-2)"
},
"is_hand": {
"shape": ["batch"],
"dtype": "int64",
"description": "0 = pickup game, 1 = hand game"
},
"bid": {
"shape": ["batch"],
"dtype": "float32",
"description": "Normalized bid value (0-1 range, divide by 264)"
}
},
"outputs": {
"win_prob": {
"shape": ["batch"],
"dtype": "float32",
"description": "Probability of winning the game"
}
}
},
"card_play_dense": {
"description": "Card play policy (MLP). Predicts which card to play.",
"inputs": {
"features": {
"shape": ["batch", 268],
"dtype": "float32",
"description": "Full gameplay context vector (see card_play_dense_features for breakdown)"
}
},
"outputs": {
"logits": {
"shape": ["batch", 32],
"dtype": "float32",
"description": "Unnormalized scores for each card. Apply softmax and mask illegal cards."
}
}
},
"card_play_transformer": {
"description": "Card play policy (Transformer). Uses attention on game history.",
"inputs": {
"game_type": {
"shape": ["batch"],
"dtype": "int64",
"description": "Game type index (0-5)"
},
"declarer": {
"shape": ["batch"],
"dtype": "int64",
"description": "Relative declarer position: 0=me, 1=left opponent, 2=right opponent"
},
"is_ouvert": {
"shape": ["batch"],
"dtype": "int64",
"description": "0 = not ouvert, 1 = ouvert game"
},
"hand": {
"shape": ["batch", 10],
"dtype": "int64",
"description": "Card indices in hand, padded with 32"
},
"hand_len": {
"shape": ["batch"],
"dtype": "int64",
"description": "Actual number of cards in hand"
},
"ouvert_hand": {
"shape": ["batch", 10],
"dtype": "int64",
"description": "Declarer's visible cards in ouvert games, padded with 32"
},
"ouvert_hand_len": {
"shape": ["batch"],
"dtype": "int64",
"description": "Actual number of visible ouvert cards (0 if not applicable)"
},
"history": {
"shape": ["batch", 27, 2],
"dtype": "int64",
"description": "Previous moves as [player_index, card_index] pairs, padded"
},
"history_len": {
"shape": ["batch"],
"dtype": "int64",
"description": "Actual number of history entries"
},
"trick": {
"shape": ["batch", 2, 2],
"dtype": "int64",
"description": "Current trick as [player_index, card_index] pairs, padded"
},
"trick_len": {
"shape": ["batch"],
"dtype": "int64",
"description": "Number of cards in current trick (0-2)"
},
"legal_mask": {
"shape": ["batch", 32],
"dtype": "bool",
"description": "True for cards that are legal to play, following Skat suit rules: when following, must play led suit (jacks are trump in suit/grand games) if able; otherwise any card in hand is legal"
}
},
"outputs": {
"logits": {
"shape": ["batch", 32],
"dtype": "float32",
"description": "Scores for each card. Illegal cards are masked to -inf."
}
}
}
},
"card_play_dense_features": {
"description": "Breakdown of the 268-dimensional input vector for card_play_dense",
"layout": [
{"name": "hand", "start": 0, "end": 32, "description": "One-hot encoded hand (32 cards)"},
{"name": "skat", "start": 32, "end": 64, "description": "One-hot encoded skat (32 cards)"},
{"name": "history_me", "start": 64, "end": 96, "description": "Cards I have played (32 cards)"},
{"name": "history_left", "start": 96, "end": 128, "description": "Cards left opponent has played (32 cards)"},
{"name": "history_right", "start": 128, "end": 160, "description": "Cards right opponent has played (32 cards)"},
{"name": "trick_card_1", "start": 160, "end": 192, "description": "First card in current trick (32 cards)"},
{"name": "trick_card_2", "start": 192, "end": 224, "description": "Second card in current trick (32 cards)"},
{"name": "trick_leader", "start": 224, "end": 227, "description": "Who led this trick (3 positions)"},
{"name": "trick_len", "start": 227, "end": 229, "description": "Number of cards in trick (one-hot 0/1/2)"},
{"name": "game_type", "start": 229, "end": 235, "description": "Game type one-hot (6 types)"},
{"name": "is_ouvert", "start": 235, "end": 236, "description": "Is this an ouvert game?"},
{"name": "visible_hand", "start": 236, "end": 268, "description": "Declarer's visible hand in ouvert (32 cards)"}
]
}
}
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