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Syzygy endgame tablebases

Black is losing with DTZ 102

Nc5+ Loss with DTZ 101

Ka6 Loss with DTZ 1 Kb5 Loss with DTZ 1 Kb6 Loss with DTZ 1 Na1 Loss with DTZ 1 Nc1 Loss with DTZ 1 Nd2 Loss with DTZ 1 Nd4 Loss with DTZ 1 axb1=Q Zeroing axb1=B Zeroing axb1=N Zeroing axb1=R Zeroing a1=B Zeroing a1=N Zeroing a1=Q Zeroing a1=R Zeroing

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

Histogram: KQQR winning vs. KNP (log scale)

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Longest KQQRvKNP phases

KQQRvKNP statistics

1,313,972,296,548 (99.9%)

16,590 (0.0%)

988,274,382 (0.1%)

147,422,628 (0.0%)

KQQRvKNP.json (?)