Syzygy endgame tablebases

Black is losing with DTZ 112

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


Histogram: KRRR winning vs. KRP (log scale)

Longest KRRRvKRP phases

KRRRvKRP statistics (unique positions)

White wins:
1,322,639,233,590 (97.4%)
Frustrated white wins:
111,036 (0.0%)
22,126,235,310 (1.6%)
Frustrated black wins:
152,142 (0.0%)
Black wins:
12,931,462,362 (1.0%)
KRRRvKRP.json (?)