Syzygy endgame tablebases

White is winning with DTZ 1

Qg7 Draw Bb5 Draw

Qab1 Loss with DTZ 102 Bc2 Loss with DTZ 102

Bb3 Loss with DTZ 2 Kh1 Loss with DTZ 2

KQQBBvKQ.pgn lichess.org

Histogram: KQQBB winning vs. KQ (log scale)

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Longest KQQBBvKQ phases

KQQBBvKQ statistics (unique positions)

White wins:
347,925,776,420 (97.3%)

Frustrated white wins:
12,100,780 (0.0%)

Draws:
8,801,326,878 (2.5%)

Frustrated black wins:
16,522,484 (0.0%)

Black wins:
760,083,610 (0.2%)

KQQBBvKQ.json (?)

KQQBBvKQ dependencies

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

KQBBvKQ · KQQBBvK · KQQBvKQ

KQQBBvKQ.txt KQQBBvKQ.dot