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Syzygy endgame tablebases

White is losing with DTZ 140

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

KRBBvKQQ.pgn

Histogram: KRBB losing (log scale)

Longest KRBBvKQQ phases

KRBBvKQQ statistics

6,259,256,534 (1.7%)
82,643,067,046 (22.0%)
4,953,806,456 (1.3%)
282,139,453,956 (75.0%)
KRBBvKQQ.json (?)