Syzygy endgame tablebases

White is winning with DTZ 1

Qxf5+ Zeroing Qh3+ Win with DTZ 2 Qd7 Win with DTZ 6 Qa7 Win with DTZ 8 Qc7 Win with DTZ 10 Qfe8 Win with DTZ 12 Qfh7 Win with DTZ 14 Qhh7 Win with DTZ 14 Qe6 Win with DTZ 16

Kc6 Loss with DTZ 6 Bh2 Loss with DTZ 6 Ke7 Loss with DTZ 4 Bc1 Loss with DTZ 4 Bd2 Loss with DTZ 4 Be3 Loss with DTZ 4 Bg3 Loss with DTZ 4 Bg5 Loss with DTZ 4 Qc8 Loss with DTZ 4 Qh4 Loss with DTZ 4 Kc7 Loss with DTZ 1 Kd7 Loss with DTZ 1 Bh6 Loss with DTZ 1 Qc4+ Loss with DTZ 1 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