Syzygy endgame tablebases

White is winning with DTZ 3

Qa6+ Win with DTZ 2 Qd5+ Win with DTZ 8 Qf3 Win with DTZ 10 Kc3 Win with DTZ 10 Kd3 Win with DTZ 20 Qa5 Win with DTZ 48 Na6 Win with DTZ 52

Kc4 Win with DTZ 254 Ke3 Win with DTZ 296 Qh1 Win with DTZ 618 Ke4 Win with DTZ 692

Qe4 Draw Nc6 Draw Nd7 Draw

Qa7 Loss with DTZ 1 Qb7 Loss with DTZ 1 Qc6+ Loss with DTZ 1 Qg2 Loss with DTZ 1 Qxa4 Zeroing

KQNvKRBN.pgn lichess.org

Histogram: KQN winning vs. KRBN (log scale)

Longest KQNvKRBN phases

KQNvKRBN statistics (unique positions)

White wins:
247,681,177,243 (55.1%)

Frustrated white wins:
29,312,796,465 (6.5%)

Draws:
68,162,241,258 (15.2%)

Frustrated black wins:
35,765,764 (0.0%)

Black wins:
104,174,295,390 (23.2%)

KQNvKRBN.json (?)

KQNvKRBN dependencies

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

KRBNvKN · KQNvKBN · KQNvKRN · KRBNvKQ · KQNvKRB

KRBNvKQN.txt KRBNvKQN.dot