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Syzygy endgame tablebases

White is winning with DTZ 399

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

KRRRvKQB.pgn

Histogram: KRRR winning (log scale)

Longest KRRRvKQB phases

KRRRvKQB statistics

211,408,614,150 (55.0%)
2,524,755,819 (0.7%)
77,879,044,320 (20.3%)
168,885,327 (0.0%)
92,098,820,628 (24.0%)
KRRRvKQB.json (?)