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Syzygy endgame tablebases

Black is losing with DTZ 138

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

KBBBvKRB.pgn

Histogram: KBBB winning (log scale)

Longest KBBBvKRB phases

KBBBvKRB statistics

54,350,488,131 (11.4%)
117,310,953 (0.0%)
411,915,607,590 (86.1%)
153,319,350 (0.0%)
11,904,124,770 (2.5%)
KBBBvKRB.json (?)