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Syzygy endgame tablebases

Black is losing with DTZ 122

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

KRRNvKBN.pgn

Histogram: KRRN winning (log scale)

Longest KRRNvKBN phases

KRRNvKBN statistics

439,791,584,796 (89.9%)
3,626,159,865 (0.7%)
45,786,802,264 (9.4%)
106,978 (0.0%)
40,502,601 (0.0%)
KRRNvKBN.json (?)