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Syzygy endgame tablebases

Black is losing with DTZ 128

Rh1+ Loss with DTZ 127 Ne5 Loss with DTZ 111

Kc6 Loss with DTZ 3 Nf6 Loss with DTZ 3 Kc4 Loss with DTZ 1 Ne3 Loss with DTZ 1 Nf2 Loss with DTZ 1 Nh6 Loss with DTZ 1 Ra2+ Loss with DTZ 1 Rb2 Loss with DTZ 1 Rc2 Loss with DTZ 1 Rd2 Loss with DTZ 1 Re2 Loss with DTZ 1 Rf2 Loss with DTZ 1 Rg2 Loss with DTZ 1 Rh3 Loss with DTZ 1 Rh4 Loss with DTZ 1 Rh5 Loss with DTZ 1 Rh6 Loss with DTZ 1 Rh7 Loss with DTZ 1 Rh8 Loss with DTZ 1

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

Histogram: KQP winning (log scale)

Longest KQPvKRN phases

KQPvKRN statistics

18,023,578,785 (71.2%)

52,454 (0.0%)

3,230,393,681 (12.8%)

4,061,704,594 (16.0%)

KQPvKRN.json (?)