Syzygy endgame tablebases

Black is winning with DTZ 167

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

KRRNvKQR.pgn lichess.org

Histogram: KRRN losing vs. KQR (log scale)

Longest KRRNvKQR phases

KRRNvKQR statistics (unique positions)

White wins:
94,693,404,030 (23.8%)
Frustrated white wins:
8,387,114 (0.0%)
Draws:
107,047,772,273 (26.9%)
Frustrated black wins:
3,829,303 (0.0%)
Black wins:
196,101,217,620 (49.3%)
KRRNvKQR.json (?)