Syzygy endgame tablebases
White to move
Black to move
JavaScript required for interactive board view.
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)
⋮
Longest KRPPPvKP phases
KRPPP winning with DTZ 24
KRPPP winning with DTZ 109 (frustrated)
KRPPP losing with DTZ 116 (frustrated)
KRPPP losing with DTZ 22
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
(?)