Syzygy endgame tablebases
White to move
Black to move
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Black is losing with DTZ 110
Rh7+
Loss with DTZ 109
Re1+
Loss with DTZ 3
Kd1
Loss with DTZ 1
Kd3
Loss with DTZ 1
Ke1
Loss with DTZ 1
Ke2
Loss with DTZ 1
Ke3
Loss with DTZ 1
Ra1
Loss with DTZ 1
Rb1
Loss with DTZ 1
Rc1
Loss with DTZ 1
Rd1
Loss with DTZ 1
Rf1
Loss with DTZ 1
Rg1
Loss with DTZ 1
Rh2
Loss with DTZ 1
Rh3
Loss with DTZ 1
Rh4
Loss with DTZ 1
Rh5
Loss with DTZ 1
Rh6
Loss with DTZ 1
Rh8
Loss with DTZ 1
f1=B
Zeroing
f1=N
Zeroing
f1=Q
Zeroing
f1=R
Zeroing
This is a blessed loss.
Mate can be forced, but a draw can be achieved under the fifty-move rule.
KQQPvKRP.pgn
lichess.org
Histogram: KQQP winning vs. KRP (log scale)
⋮
Longest KQQPvKRP phases
KQQP winning with DTZ 59
KQQP winning with DTZ 111 (frustrated)
KQQP losing with DTZ 107 (frustrated)
KQQP losing with DTZ 11
KQQPvKRP statistics (unique positions)
White wins:
957,828,693,070 (98.8%)
Frustrated white wins:
1,825,028 (0.0%)
Draws:
7,116,123,396 (0.7%)
Frustrated black wins:
417,816 (0.0%)
Black wins:
4,860,153,838 (0.5%)
KQQPvKRP.json
(?)