Syzygy endgame tablebases

White is losing with DTZ 115

Rh6+ Loss with DTZ 114

Ka3 Loss with DTZ 1 Ka4 Loss with DTZ 1 Kb3 Loss with DTZ 1 Kc5 Loss with DTZ 1 Ra7+ Loss with DTZ 1 Rb7 Loss with DTZ 1 Rc7 Loss with DTZ 1 Rd7 Loss with DTZ 1 Re7 Loss with DTZ 1 Rf7 Loss with DTZ 1 Rg7 Loss with DTZ 1 Rh5 Loss with DTZ 1 Rh8 Loss with DTZ 1 c5 Zeroing h5 Zeroing

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

KRPPPvKP.pgn lichess.org

Histogram: KRPPP losing vs. KP (log scale)

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Longest KRPPPvKP phases

KRPPPvKP statistics (unique positions)

White wins:
703,362,372,702 (95.2%)

Frustrated white wins:
1,415,094 (0.0%)

Draws:
20,502,560,844 (2.8%)

Frustrated black wins:
8,307,174 (0.0%)

Black wins:
15,287,588,562 (2.1%)

KRPPPvKP.json (?)