Syzygy endgame tablebases
White to move
Black to move
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White is winning with DTZ 1
Rxd4
Zeroing
Bxd4
Zeroing
Re2+
Win with DTZ 2
Ra1+
Win with DTZ 2
Rf2+
Win with DTZ 2
Rf4
Win with DTZ 2
Rd5
Win with DTZ 4
Rd6
Win with DTZ 4
Rd7
Win with DTZ 4
Re4
Win with DTZ 4
Re5
Win with DTZ 4
Re6
Win with DTZ 4
Re7
Win with DTZ 4
Rb1
Win with DTZ 4
Rf5
Win with DTZ 6
Rf6
Win with DTZ 6
Rf7
Win with DTZ 6
Bf8
Win with DTZ 6
Kc7
Win with DTZ 8
Kc8
Win with DTZ 8
Rc8
Win with DTZ 8
Rc1
Win with DTZ 8
Ka7
Win with DTZ 10
Kb7
Win with DTZ 10
Ree1
Win with DTZ 10
Re3
Win with DTZ 10
Ref8
Win with DTZ 10
Rg8
Win with DTZ 10
Rh8
Win with DTZ 10
Rd1
Win with DTZ 10
Rfe1
Win with DTZ 10
Rf3
Win with DTZ 10
Rg1
Win with DTZ 10
Rh1
Win with DTZ 10
Be5
Win with DTZ 10
Bf6
Win with DTZ 10
Bh8
Win with DTZ 10
Ka8
Win with DTZ 12
Rff8
Win with DTZ 12
Bh6
Win with DTZ 12
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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