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Syzygy endgame tablebases

Black is losing with DTZ 120

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

KQRRvKQQ.pgn

Histogram: KQRR winning (log scale)

Longest KQRRvKQQ phases

KQRRvKQQ statistics

160,930,167,668 (52.3%)
1,202,552 (0.0%)
31,527,921,430 (10.2%)
115,397,384,220 (37.5%)
KQRRvKQQ.json (?)