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Syzygy endgame tablebases

Black is losing with DTZ 118

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

KRRBvKBB.pgn

Histogram: KRRB winning (log scale)

Longest KRRBvKBB phases

KRRBvKBB statistics

408,449,844,350 (87.9%)
138,441,132 (0.0%)
56,042,080,000 (12.1%)
133,397,804 (0.0%)
KRRBvKBB.json (?)