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Syzygy endgame tablebases

Black is winning with DTZ 154

Ke3 Win with DTZ 153

Nb2 Draw Nb4 Draw Nc1 Draw Nc5 Draw Ne1 Draw Ne5 Draw Nf4 Draw Ke1 Draw Ke2 Draw Kf1 Draw Kg1 Draw Re3 Draw Rf3 Draw Rg1+ Draw Rg2 Draw Rg4 Draw Rg7 Draw Rg8 Draw Rh3 Draw

Rg5 Loss with DTZ 1 Rg6 Loss with DTZ 1

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

Histogram: KBNN losing vs. KRN (log scale)

⋮

Longest KBNNvKRN phases

KBNNvKRN statistics

65,897,337,536 (12.7%)

42,383,882 (0.0%)

416,811,719,583 (80.2%)

6,797,149,089 (1.3%)

29,896,220,286 (5.8%)

KBNNvKRN.json (?)