Syzygy endgame tablebases

White is winning with DTZ 3

KQRvKQB.pgn lichess.org

Histogram: KQR winning vs. KQB (log scale)

Longest KQRvKQB phases

KQRvKQB statistics (unique positions)

White wins:
3,190,249,626 (47.3%)
Frustrated white wins:
40,068 (0.0%)
Draws:
2,182,749,706 (32.4%)
Black wins:
1,371,933,194 (20.3%)
KQRvKQB.json (?)