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Syzygy endgame tablebases

Black is losing with DTZ 101

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

KQRRPvKB.pgn

Histogram: KQRRP winning (log scale)

Longest KQRRPvKB phases

KQRRPvKB statistics

1,357,390,708,612 (100.0%)
16 (0.0%)
354,351,270 (0.0%)
3,387,994 (0.0%)
KQRRPvKB.json (?)