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Syzygy endgame tablebases

Black is losing with DTZ 160

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

KQQRvKQR.pgn

Histogram: KQQR winning (log scale)

Longest KQQRvKQR phases

KQQRvKQR statistics

269,305,491,672 (85.6%)
1,269,668 (0.0%)
23,821,241,253 (7.6%)
649,344 (0.0%)
21,600,960,391 (6.9%)
KQQRvKQR.json (?)