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Syzygy endgame tablebases

Black is losing with DTZ 134

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

KQRBBvKQ.pgn

Histogram: KQRBB winning (log scale)

Longest KQRBBvKQ phases

KQRBBvKQ statistics

345,122,778,352 (90.0%)
5,958,836 (0.0%)
36,069,488,817 (9.4%)
168,220,956 (0.0%)
2,189,394,737 (0.6%)
KQRBBvKQ.json (?)