Syzygy endgame tablebases

White is winning with DTZ 1

Qcg1 Draw Qda1 Draw Qa7 Draw Qdb2 Draw Qb4 Draw Qdd1 Draw Qdd2 Draw Qd3 Draw Qd8 Draw Qf2 Draw Qdg1 Draw Qh4 Draw Kd3 Draw Kf2 Draw Bd8 Draw Be5 Draw Be7 Draw Bg7 Draw Bh8 Draw

Kf3 Loss with DTZ 6 Qa4 Loss with DTZ 1 Qd5+ Loss with DTZ 1 Qg4+ Loss with DTZ 1 Ke1 Loss with DTZ 1 Kf1 Loss with DTZ 1

KQQBvKQR.pgn lichess.org

Histogram: KQQB winning vs. KQR (log scale)

Longest KQQBvKQR phases

KQQBvKQR statistics (unique positions)

White wins:
225,023,819,639 (68.6%)

Frustrated white wins:
628 (0.0%)

Draws:
76,432,051,889 (23.3%)

Frustrated black wins:
1,068,902 (0.0%)

Black wins:
26,789,935,166 (8.2%)

KQQBvKQR.json (?)

KQQBvKQR dependencies

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

KQRvKQB · KQQBvKR · KQQBvKQ · KQQvKQR

KQQBvKQR.txt KQQBvKQR.dot