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Syzygy endgame tablebases

Black is losing with DTZ 429

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

KRBNvKRN.pgn lichess.org

Histogram: KRBN winning vs. KRN (log scale)

Longest KRBNvKRN phases

KRBNvKRN statistics

237,224,993,292 (48.5%)
56,964,246,083 (11.6%)
183,550,192,470 (37.5%)
1,955,054,802 (0.4%)
9,479,409,777 (1.9%)
KRBNvKRN.json (?)