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Syzygy endgame tablebases

Black is losing with DTZ 106

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

KQRRvKBB.pgn

Histogram: KQRR winning (log scale)

Longest KQRRvKBB phases

KQRRvKBB statistics

412,356,473,330 (99.4%)
3,059,824 (0.0%)
2,639,676,948 (0.6%)
49,287,008 (0.0%)
KQRRvKBB.json (?)