Syzygy endgame tablebases

White is losing with DTZ 115

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


Histogram: KRPPP losing vs. KP (log scale)

Longest KRPPPvKP phases

KRPPPvKP statistics (unique positions)

White wins:
703,362,372,702 (95.2%)
Frustrated white wins:
1,415,094 (0.0%)
20,502,560,844 (2.8%)
Frustrated black wins:
8,307,174 (0.0%)
Black wins:
15,287,588,562 (2.1%)
KRPPPvKP.json (?)