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Syzygy endgame tablebases

Black is losing with DTZ 162

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

KRRBNvKQ.pgn

Histogram: KRRBN winning (log scale)

Longest KRRBNvKQ phases

KRRBNvKQ statistics

334,411,661,737 (79.2%)
58,336,799 (0.0%)
81,928,183,430 (19.4%)
5,795,099,484 (1.4%)
KRRBNvKQ.json (?)