Syzygy endgame tablebases
White to move
Black to move
JavaScript required for interactive board view.
White is losing with DTZ 138
Kc5
Loss with DTZ 137
Kc4
Loss with DTZ 67
Ke5
Loss with DTZ 13
Ke4
Loss with DTZ 11
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
KRPP winning with DTZ 85
KRPP winning with DTZ 121 (frustrated)
KRPP losing with DTZ 138 (frustrated)
KRPP losing with DTZ 100
KRPPvKRR statistics
247,007,220,984 (22.3%)
572,004 (0.0%)
168,259,792,520 (15.2%)
2,716,340 (0.0%)
693,689,403,324 (62.6%)
KRPPvKRR.json
(?)