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Syzygy endgame tablebases

Black is losing with DTZ 145

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

KRRvKRN.pgn

Histogram: KRR winning (log scale)

Longest KRRvKRN phases

KRRvKRN statistics

3,483,749,812 (42.1%)
66,776 (0.0%)
4,743,405,560 (57.3%)
49,563,668 (0.6%)
KRRvKRN.json (?)