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Syzygy endgame tablebases

White is losing with DTZ 404

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

KRBNvKQB.pgn

Histogram: KRBN losing (log scale)

Longest KRBNvKQB phases

KRBNvKQB statistics

93,342,076,139 (21.4%)
4,059,145 (0.0%)
88,297,484,536 (20.2%)
1,655,014,032 (0.4%)
253,879,555,048 (58.1%)
KRBNvKQB.json (?)