Syzygy endgame tablebases
White to move
Black to move
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White is winning with DTZ 1
Ra1#
Checkmate
R8d2#
Checkmate
Ra3+
Win with DTZ 1
Rb1
Win with DTZ 2
Bb2
Win with DTZ 2
Bf8
Win with DTZ 2
Bh6
Win with DTZ 2
Rb3
Win with DTZ 2
Rc3
Win with DTZ 2
R1d2+
Win with DTZ 4
Rd1d3
Win with DTZ 4
R1d4
Win with DTZ 4
Bc3
Win with DTZ 4
Be5
Win with DTZ 4
Rh2+
Win with DTZ 4
Rh4
Win with DTZ 4
Rh5
Win with DTZ 4
Rh6
Win with DTZ 4
R1d5
Win with DTZ 6
R1d6
Win with DTZ 6
R1d7
Win with DTZ 6
R8d4
Win with DTZ 6
R8d7
Win with DTZ 6
Rhh1
Win with DTZ 6
Rh7
Win with DTZ 6
Rhh8
Win with DTZ 6
Rc1
Win with DTZ 10
Bd4
Win with DTZ 12
Re8
Win with DTZ 14
Rf8
Win with DTZ 14
Rg8
Win with DTZ 14
Rdh8
Win with DTZ 14
Rd8d3
Win with DTZ 16
R8d5
Win with DTZ 18
R8d6
Win with DTZ 18
Ka8
Draw
Kc8
Draw
Re1
Draw
Rf1
Draw
Rg1
Draw
Rdh1
Draw
Rc8
Draw
Ba1
Draw
Bf6
Draw
Bh8
Draw
Rhd3
Draw
Re3
Draw
Rf3
Draw
Rg3
Draw
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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