Syzygy endgame tablebases

White is winning with DTZ 450

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


Histogram: KRBN winning vs. KRB (log scale)

Longest KRBNvKRB phases

KRBNvKRB statistics (unique positions)

White wins:
202,764,356,521 (42.5%)
Frustrated white wins:
51,086,539,077 (10.7%)
189,872,655,444 (39.8%)
Frustrated black wins:
15,113,270,904 (3.2%)
Black wins:
18,514,032,682 (3.9%)
KRBNvKRB.json (?)