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Syzygy endgame tablebases

Black is losing with DTZ 202

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

KRRNvKQ.pgn lichess.org

Histogram: KRRN winning vs. KQ (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 (?)