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: KPPP losing vs. KRN (log scale)

Longest KPPPvKRN phases

KPPPvKRN statistics (unique positions)

White wins:
223,406,440,320 (23.0%)
Frustrated white wins:
726,918 (0.0%)
109,248,459,000 (11.3%)
Frustrated black wins:
3,312,978 (0.0%)
Black wins:
637,172,753,028 (65.7%)
KPPPvKRN.json (?)