Syzygy endgame tablebases
White to move
Black to move
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Black is winning with DTZ 104
Rg2+
Win with DTZ 103
Ka7
Loss with DTZ 1
Ka8
Loss with DTZ 1
Ra4
Loss with DTZ 1
Rb4
Loss with DTZ 1
Rc4
Loss with DTZ 1
Rd4
Loss with DTZ 1
Re4
Loss with DTZ 1
Rf4
Loss with DTZ 1
Rg1
Loss with DTZ 1
Rg3
Loss with DTZ 1
Rg5
Loss with DTZ 1
Rg6
Loss with DTZ 1
Rg7
Loss with DTZ 1
Rg8
Loss with DTZ 1
Rh4
Loss with DTZ 1
b1=B
Zeroing
b1=N+
Zeroing
b1=Q
Zeroing
b1=R
Zeroing
bxc1=B+
Zeroing
bxc1=N
Zeroing
bxc1=Q+
Zeroing
bxc1=R
Zeroing
This is a cursed win.
Mate can be forced, but a draw can be achieved under the fifty-move rule.
KQQNvKRP.pgn
Histogram: KQQN losing vs. KRP (log scale)
⋮
Longest KQQNvKRP phases
KQQN winning with DTZ 60
KQQN winning with DTZ 103 (frustrated)
KQQN losing with DTZ 105 (frustrated)
KQQN losing with DTZ 11
KQQNvKRP statistics
1,259,510,720,816 (98.9%)
160,752 (0.0%)
10,658,663,664 (0.8%)
173,052 (0.0%)
3,121,914,952 (0.2%)
KQQNvKRP.json
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