Syzygy endgame tablebases
White to move
Black to move
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Black is losing with DTZ 120
Rh2+
Loss with DTZ 119
Kb4
Loss with DTZ 1
Kb5
Loss with DTZ 1
Kd4
Loss with DTZ 1
Kd5
Loss with DTZ 1
Rd4
Loss with DTZ 1
Re4
Loss with DTZ 1
Rf4
Loss with DTZ 1
Rg4
Loss with DTZ 1
Rh1
Loss with DTZ 1
Rh3
Loss with DTZ 1
Rxh5
Zeroing
This is a blessed loss.
Mate can be forced, but a draw can be achieved under the fifty-move rule.
KPPPvKRP.pgn
lichess.org
Histogram: KPPP winning vs. KRP (log scale)
⋮
Longest KPPPvKRP phases
KPPP winning with DTZ 34
KPPP winning with DTZ 120 (frustrated)
KPPP losing with DTZ 110 (frustrated)
KPPP losing with DTZ 47
KPPPvKRP statistics (unique positions)
White wins:
203,617,358,196 (27.7%)
Frustrated white wins:
7,833,306 (0.0%)
Draws:
50,465,581,572 (6.9%)
Frustrated black wins:
1,154,694 (0.0%)
Black wins:
480,468,552,024 (65.4%)
KPPPvKRP.json
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