Syzygy endgame tablebases
White to move
Black to move
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Black is losing with DTZ 4
Rb6
Loss with DTZ 3
Rc6
Loss with DTZ 3
Rg6+
Loss with DTZ 3
Rh6
Loss with DTZ 3
Ra6
Loss with DTZ 1
Rd6
Loss with DTZ 1
Re6
Loss with DTZ 1
Rf1
Loss with DTZ 1
Rf2
Loss with DTZ 1
Rf3
Loss with DTZ 1
Rf4
Loss with DTZ 1
Rf5
Loss with DTZ 1
Kg1
Loss with DTZ 1
Kg2
Loss with DTZ 1
Kh1
Loss with DTZ 1
Rxf7
Zeroing
KRRRBvKR.pgn
lichess.org
Histogram: KRRRB winning vs. KR (log scale)
⋮
Longest KRRRBvKR phases
KRRRB winning with DTZ 61
KRRRB winning with DTZ 107 (frustrated)
KRRRB losing with DTZ 3
KRRRBvKR statistics (unique positions)
White wins:
437,508,060,186 (99.8%)
Frustrated white wins:
33,522 (0.0%)
Draws:
638,156,682 (0.1%)
Black wins:
267,261,108 (0.1%)
KRRRBvKR.json
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