Syzygy endgame tablebases

White is winning with DTZ 3

Qg6+ Win with DTZ 2 Qfh7+ Win with DTZ 2 Qhh7+ Win with DTZ 2 Qh3+ Win with DTZ 4 Qd7 Win with DTZ 6 Qd8 Win with DTZ 8 Be3 Win with DTZ 12 Qc7 Win with DTZ 16 Qc8 Win with DTZ 18 Qh2 Win with DTZ 18

Bg3 Loss with DTZ 14 Bc1 Loss with DTZ 10 Qfh5 Loss with DTZ 10 Qfg7 Loss with DTZ 8 Qhf8 Loss with DTZ 8 Qa7 Loss with DTZ 6 Qff8 Loss with DTZ 6 Qfg8 Loss with DTZ 6 Qb8 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