Syzygy endgame tablebases

Black is losing with DTZ 116

This is a blessed loss. Mate can be forced, but a draw can be achieved under the fifty-move rule.

KQRBvKRR.pgn lichess.org

Histogram: KQRB winning vs. KRR (log scale)

Longest KQRBvKRR phases

KQRBvKRR statistics (unique positions)

White wins:
301,166,687,907 (76.9%)
Frustrated white wins:
12,086,846 (0.0%)
Draws:
83,304,545,095 (21.3%)
Frustrated black wins:
4,472 (0.0%)
Black wins:
7,124,397,362 (1.8%)
KQRBvKRR.json (?)

KQRBvKRR dependencies

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

KRRvKRB · KQBvKRR · KQRBvKR · KQRvKRR

KQRBvKRR.txt KQRBvKRR.dot