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Syzygy endgame tablebases

Black is losing with DTZ 136

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

KBBNvKR.pgn

Histogram: KBBN winning (log scale)

Longest KBBNvKR phases

KBBNvKR statistics

4,018,718,741 (44.4%)
923,331 (0.0%)
5,016,566,613 (55.4%)
15,355,953 (0.2%)
KBBNvKR.json (?)