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Syzygy endgame tablebases

Black is losing with DTZ 112

Na2+ Loss with DTZ 111

Ne1 Loss with DTZ 3 Ne5 Loss with DTZ 3 Nf2 Loss with DTZ 3 Nb3 Loss with DTZ 1 Nb2 Loss with DTZ 1 Nc5 Loss with DTZ 1 Nf4 Loss with DTZ 1 Kd1 Loss with DTZ 1 Ke1 Loss with DTZ 1 Kf2 Loss with DTZ 1 Kf3 Loss with DTZ 1 Nxb4 Zeroing Kxf1 Zeroing

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

Histogram: KQRN winning vs. KNN (log scale)

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Longest KQRNvKNN phases

KQRNvKNN statistics

451,624,307,313 (95.9%)

1,963,043,313 (0.4%)

17,189,131,060 (3.7%)

19,204,698 (0.0%)

KQRNvKNN.json (?)