Syzygy endgame tablebases

Black is winning with DTZ 1

Qxe3+ Zeroing Qxd8 Zeroing Qg1+ Win with DTZ 2 Qc5+ Win with DTZ 4 Nf6 Win with DTZ 6

Kb6 Draw Kb7 Draw Kc6 Draw Qa5 Draw Qb5 Draw Qf4 Draw Qf5 Draw Qf6 Draw Qg2 Draw Qg4 Draw Qg7 Draw Qh4 Draw Qh6 Draw Nf4 Draw Ng3 Draw Ng7 Draw

Qd5 Loss with DTZ 1 Qe5 Loss with DTZ 1 Qe7 Loss with DTZ 1 Qg3 Loss with DTZ 1 Qg6 Loss with DTZ 1 Qg8 Loss with DTZ 1 Kxd8 Zeroing

KRRNvKQN.pgn lichess.org

Histogram: KRRN losing vs. KQN (log scale)

Longest KRRNvKQN phases

KRRNvKQN statistics (unique positions)

White wins:
167,245,846,309 (39.1%)

Frustrated white wins:
12,227,908 (0.0%)

Draws:
126,192,960,834 (29.5%)

Frustrated black wins:
3,446,335,628 (0.8%)

Black wins:
131,052,072,409 (30.6%)

KRRNvKQN.json (?)

KRRNvKQN dependencies

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

KRRNvKN · KQNvKRN · KQNvKRR · KRRNvKQ

KRRNvKQN.txt KRRNvKQN.dot