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Syzygy endgame tablebases

Black is losing with DTZ 107

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

KRRvKRB.pgn

Histogram: KRR winning (log scale)

Longest KRRvKRB phases

KRRvKRB statistics

2,599,367,142 (32.2%)
1,032 (0.0%)
5,386,932,735 (66.8%)
21,951 (0.0%)
75,231,896 (0.9%)
KRRvKRB.json (?)