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Syzygy endgame tablebases

White is winning with DTZ 211

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

KQRBvKQR.pgn lichess.org

Histogram: KQRB winning vs. KQR (log scale)

Longest KQRBvKQR phases

KQRBvKQR statistics

191,292,788,888 (53.6%)
12,312,305 (0.0%)
78,056,352,050 (21.9%)
539,417 (0.0%)
87,395,460,794 (24.5%)
KQRBvKQR.json (?)