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Syzygy endgame tablebases

White is losing with DTZ 175

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

KRRRvKQR.pgn

Histogram: KRRR losing (log scale)

Longest KRRRvKQR phases

KRRRvKQR statistics

172,874,987,361 (47.2%)
362,070 (0.0%)
57,104,401,164 (15.6%)
947,706 (0.0%)
136,192,676,415 (37.2%)
KRRRvKQR.json (?)