Syzygy endgame tablebases

Black is winning with DTZ 3

Qb7+ Win with DTZ 2 Qd4+ Win with DTZ 2 Qe5+ Win with DTZ 6 Qg4+ Win with DTZ 8 Qg2+ Win with DTZ 12 Kb3 Win with DTZ 28 Kb4 Win with DTZ 28 Qd5 Win with DTZ 56

Ka2 Draw Ka4 Draw Kb2 Draw Qa4 Draw Qa8 Draw Qc6 Draw Qe8 Draw Qf3 Draw Qh1 Draw

Qb1 Loss with DTZ 1 Qb4 Loss with DTZ 1 Qc2 Loss with DTZ 1 Qc4 Loss with DTZ 1 Qd3 Loss with DTZ 1 Qe1 Loss with DTZ 1 Qe2 Loss with DTZ 1 Qe3 Loss with DTZ 1 Qe6 Loss with DTZ 1 Qe7+ Loss with DTZ 1 Qf4 Loss with DTZ 1 Qf5 Loss with DTZ 1 Qg6+ Loss with DTZ 1 Qh7+ Loss with DTZ 1 Qxh4 Zeroing

KBBPPvKQ.pgn lichess.org

Histogram: KBBPP losing vs. KQ (log scale)

Longest KBBPPvKQ phases

KBBPPvKQ statistics (unique positions)

White wins:
321,378,413,280 (29.1%)

Frustrated white wins:
28,034,224 (0.0%)

Draws:
234,846,389,048 (21.3%)

Frustrated black wins:
10,274,474,488 (0.9%)

Black wins:
538,436,549,792 (48.7%)

KBBPPvKQ.json (?)

KBBPPvKQ dependencies

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

KQBBPvKQ · KBBPPvK · KRBBPvKQ · KBBBPvKQ · KBPPvKQ · KBBNPvKQ · KBBPvKQ

KBBPPvKQ.txt KBBPPvKQ.dot