Syzygy endgame tablebases

Black is losing with DTZ 183

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

KQRvKQR.pgn lichess.org

Histogram: KQR winning vs. KQR (log scale)

Longest KQRvKQR phases

KQRvKQR statistics (unique positions)

White wins:
2,813,243,468 (43.8%)
Frustrated white wins:
33,523 (0.0%)
Draws:
796,915,258 (12.4%)
Frustrated black wins:
33,523 (0.0%)
Black wins:
2,813,243,468 (43.8%)
KQRvKQR.json (?)