Syzygy endgame tablebases

White is winning with DTZ 1

Ba8 Draw Bb7 Draw Bd5 Draw Bd7 Draw Be8 Draw Kc2 Draw Ke3 Draw Qa4 Draw Qeb1 Draw Qc2 Draw Qee1 Draw Qee2 Draw Qe3 Draw Qe8 Draw Qeg2 Draw Qg4 Draw Qeh1 Draw Qh7 Draw Qfb1 Draw

Kc3 Loss with DTZ 6 Kc1 Loss with DTZ 1 Kd1 Loss with DTZ 1 Qb4+ Loss with DTZ 1 Qe5+ Loss with DTZ 1 Qh4 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