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Syzygy endgame tablebases

Black is losing with DTZ 255

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

KBBNvKRN.pgn

Histogram: KBBN winning (log scale)

Longest KBBNvKRN phases

KBBNvKRN statistics

94,196,449,608 (18.6%)
2,156,296,508 (0.4%)
372,108,216,094 (73.6%)
16,957,338,699 (3.4%)
20,391,109,755 (4.0%)
KBBNvKRN.json (?)