Syzygy endgame tablebases

Black is winning with DTZ 123

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


Histogram: KNNN losing vs. KBB (log scale)

Longest KNNNvKBB phases

KNNNvKBB statistics (unique positions)

White wins:
55,773,704,286 (10.4%)
Frustrated white wins:
84,086,400 (0.0%)
474,718,977,510 (88.4%)
Frustrated black wins:
4,548,996,936 (0.8%)
Black wins:
2,092,574,856 (0.4%)
KNNNvKBB.json (?)