Syzygy endgame tablebases

Black is winning with DTZ 1

Qxc7 Zeroing Qb2 Win with DTZ 2 Qbe8 Win with DTZ 2 Qh1+ Win with DTZ 2 Qh3+ Win with DTZ 2 Qa8 Win with DTZ 4 Qb5+ Win with DTZ 4 Qb6 Win with DTZ 4 Qb7 Win with DTZ 4 Qc8 Win with DTZ 4 Qbh8 Win with DTZ 4 Qa7 Win with DTZ 6 Qb3 Win with DTZ 6 Qf8 Win with DTZ 6 Qg8 Win with DTZ 6 Qb4 Win with DTZ 8

Qb1 Draw Kf5 Draw Kf6 Draw Kg4 Draw Kg6 Draw Qe2+ Draw Qhe8 Draw Qh2 Draw Qhh8 Draw

Qf3 Loss with DTZ 2 Qh4 Loss with DTZ 2 Qh6 Loss with DTZ 2 Qh7 Loss with DTZ 2 Qd8 Loss with DTZ 1 Kf4 Loss with DTZ 1 Kh4 Loss with DTZ 1 Kh6 Loss with DTZ 1 Qd1 Loss with DTZ 1 Qf7 Loss with DTZ 1 Qg4 Loss with DTZ 1 Qg6 Loss with DTZ 1

KRPPvKQQ.pgn lichess.org

Histogram: KRPP losing vs. KQQ (log scale)

⋮

Longest KRPPvKQQ phases

KRPPvKQQ statistics (unique positions)

White wins:
15,834,088,528 (1.6%)

Frustrated white wins:
2,275,288 (0.0%)

Draws:
45,965,829,780 (4.8%)

Frustrated black wins:
53,586,288 (0.0%)

Black wins:
901,457,548,696 (93.6%)

KRPPvKQQ.json (?)

KRPPvKQQ dependencies

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

KQRPvKQQ · KRPPvKQ · KRRPvKQQ · KQQvKPP · KRBPvKQQ · KRNPvKQQ · KQQvKRP

KRPPvKQQ.txt KRPPvKQQ.dot