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Syzygy endgame tablebases

Black is losing with DTZ 108

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

KQRBvKRN.pgn

Histogram: KQRB winning (log scale)

Longest KQRBvKRN phases

KQRBvKRN statistics

376,590,535,852 (88.3%)
215,057 (0.0%)
49,149,486,745 (11.5%)
919,668,852 (0.2%)
KQRBvKRN.json (?)