Syzygy endgame tablebases

White is losing with DTZ 298

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


Histogram: KRRP losing vs. KQB (log scale)

Longest KRRPvKQB phases

KRRPvKQB statistics (unique positions)

White wins:
390,823,849,858 (30.3%)
Frustrated white wins:
573,365,288 (0.0%)
195,886,136,734 (15.2%)
Frustrated black wins:
835,378,748 (0.1%)
Black wins:
700,093,382,832 (54.3%)
KRRPvKQB.json (?)