Syzygy endgame tablebases
White to move
Black to move
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White is winning with DTZ 275
Rh4+
Win with DTZ 274
Kb1
Draw
Rb4
Draw
Rc1
Draw
Rc2
Draw
Re1
Draw
Re2+
Draw
Rg4
Draw
Ba6
Loss with DTZ 2
Ba8
Loss with DTZ 2
Bc6
Loss with DTZ 2
Bc8
Loss with DTZ 2
Bd5
Loss with DTZ 2
Ra4
Loss with DTZ 2
Rc3
Loss with DTZ 2
Rc5
Loss with DTZ 2
Rc6
Loss with DTZ 2
Rc7
Loss with DTZ 2
Rc8
Loss with DTZ 2
Rcd4
Loss with DTZ 2
Red4
Loss with DTZ 2
Re3
Loss with DTZ 2
Re5
Loss with DTZ 2
Re6
Loss with DTZ 2
Re7
Loss with DTZ 2
Re8
Loss with DTZ 2
Rf4
Loss with DTZ 2
This is a cursed win.
Mate can be forced, but a draw can be achieved under the fifty-move rule.
KRRBvKRR.pgn
Histogram: KRRB winning vs. KRR (log scale)
Longest KRRBvKRR phases
KRRB winning with DTZ 100
KRRB winning with DTZ 275 (frustrated)
KRRB losing with DTZ 107 (frustrated)
KRRB losing with DTZ 27
KRRBvKRR statistics
224,086,160,932 (52.9%)
4,854,274,928 (1.1%)
182,316,537,456 (43.0%)
8,328 (0.0%)
12,319,084,298 (2.9%)
KRRBvKRR.json
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