Syzygy endgame tablebases

White is winning with DTZ 53

KQRRvKRR.pgn lichess.org

Histogram: KQRR winning vs. KRR (log scale)

Longest KQRRvKRR phases

KQRRvKRR statistics (unique positions)

White wins:
334,530,134,868 (89.5%)
Draws:
34,408,703,190 (9.2%)
Black wins:
4,921,961,708 (1.3%)
KQRRvKRR.json (?)

KQRRvKRR dependencies

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

KRRvKRR · KQRvKRR · KQRRvKR

KQRRvKRR.txt KQRRvKRR.dot