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Syzygy endgame tablebases

Black is losing with DTZ 202

Kg3 Loss with DTZ 201

Kg2 Loss with DTZ 55 Kg1 Loss with DTZ 49 Qh5 Loss with DTZ 1

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

Histogram: KRRN winning (log scale)

Longest KRRNvKQ phases

KRRNvKQ statistics

4,780,344,691 (63.0%)

996,368 (0.0%)

2,097,628,333 (27.6%)

712,740,904 (9.4%)

KRRNvKQ.json (?)