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Syzygy endgame tablebases

White is losing with DTZ 172

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

KRBBvKQR.pgn

Histogram: KRBB losing (log scale)

Longest KRBBvKQR phases

KRBBvKQR statistics

54,896,675,596 (13.5%)
1,309,554 (0.0%)
97,720,651,249 (24.0%)
2,183,973,519 (0.5%)
252,346,829,742 (62.0%)
KRBBvKQR.json (?)