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Syzygy endgame tablebases

Black is losing with DTZ 306

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

KRBBvKRN.pgn

Histogram: KRBB winning (log scale)

Longest KRBBvKRN phases

KRBBvKRN statistics

245,673,637,699 (51.5%)
5,312,732,229 (1.1%)
207,935,920,237 (43.6%)
12,282,175,339 (2.6%)
5,847,427,208 (1.2%)
KRBBvKRN.json (?)