Syzygy endgame tablebases

Black is winning with DTZ 1

Nxf3 Zeroing Qc4+ Win with DTZ 2 Qe6+ Win with DTZ 2 Qe8+ Win with DTZ 6 Kb4 Win with DTZ 18 Qe7+ Win with DTZ 20 Qf6 Win with DTZ 20 Qf4 Win with DTZ 22 Qg6 Win with DTZ 24

Qf8 Win with DTZ 104

Qxf3+ Draw Ka3 Draw Ka4 Draw Kb2 Draw Kc2 Draw Kc3 Draw Kc4 Draw Qd7 Draw Qf5 Draw Qg7 Draw Qh7 Draw

Ka2 Loss with DTZ 2 Nc2 Loss with DTZ 2 Nd3 Loss with DTZ 2 Ng2 Loss with DTZ 2 Qg8 Loss with DTZ 2 Qc7 Loss with DTZ 1 Qd5 Loss with DTZ 1 Qh5 Loss with DTZ 1 Qxb7 Zeroing

KBBBvKQN.pgn lichess.org

Histogram: KBBB losing vs. KQN (log scale)

Longest KBBBvKQN phases

KBBBvKQN statistics (unique positions)

White wins:
63,843,758,940 (14.2%)

Frustrated white wins:
5,829,221,199 (1.3%)

Draws:
52,058,776,872 (11.6%)

Frustrated black wins:
3,997,140,102 (0.9%)

Black wins:
324,727,375,173 (72.1%)

KBBBvKQN.json (?)

KBBBvKQN dependencies

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

KBBBvKN · KQNvKBB · KBBBvKQ

KBBBvKQN.txt KBBBvKQN.dot