Syzygy endgame tablebases

Black is winning with DTZ 104

Nd2+ Win with DTZ 103

Bxa6 Draw Bd3+ Draw

Bc4 Loss with DTZ 7 Kb3 Loss with DTZ 1 Kb4 Loss with DTZ 1 Kd2 Loss with DTZ 1 Kd4 Loss with DTZ 1 Bb5 Loss with DTZ 1 Bd1 Loss with DTZ 1 Bf3 Loss with DTZ 1 Bg4 Loss with DTZ 1 Bh5 Loss with DTZ 1 Ne3 Loss with DTZ 1 Ng3 Loss with DTZ 1 Nh2 Loss with DTZ 1

This is a cursed win. Mate can be forced, but a draw can be achieved under the fifty-move rule.

KQNvKBN.pgn lichess.org

Histogram: KQN losing vs. KBN (log scale)

⋮

Longest KQNvKBN phases

KQNvKBN statistics (unique positions)

White wins:
7,139,425,640 (83.0%)

Draws:
1,417,652,831 (16.5%)

Frustrated black wins:
1,095,718 (0.0%)

Black wins:
40,792,141 (0.5%)

KQNvKBN.json (?)

KQNvKBN dependencies

To probe all KQNvKBN positions, these tables and their transitive dependencies are also required:

KBNvKN · KQNvKN · KBNvKQ · KQNvKB

KQNvKBN.txt KQNvKBN.dot