Syzygy endgame tablebases
White to move
Black to move
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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
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
703,362,372,702 (95.2%)
1,415,094 (0.0%)
20,502,560,844 (2.8%)
8,307,174 (0.0%)
15,287,588,562 (2.1%)
KRPPPvKP.json
(?)