Syzygy endgame tablebases

White is losing with DTZ 138

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

KRPPvKRR.pgn lichess.org

Histogram: KRPP losing vs. KRR (log scale)

Longest KRPPvKRR phases

KRPPvKRR statistics (unique positions)

White wins:
247,007,220,984 (22.3%)
Frustrated white wins:
572,004 (0.0%)
Draws:
168,259,792,520 (15.2%)
Frustrated black wins:
2,716,340 (0.0%)
Black wins:
693,689,403,324 (62.6%)
KRPPvKRR.json (?)