Syzygy endgame tablebases
White to move
Black to move
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Black is losing with DTZ 102
Nc5+
Loss with DTZ 101
Ka6
Loss with DTZ 1
Kb5
Loss with DTZ 1
Kb6
Loss with DTZ 1
Na1
Loss with DTZ 1
Nc1
Loss with DTZ 1
Nd2
Loss with DTZ 1
Nd4
Loss with DTZ 1
axb1=Q
Zeroing
axb1=B
Zeroing
axb1=N
Zeroing
axb1=R
Zeroing
a1=B
Zeroing
a1=N
Zeroing
a1=Q
Zeroing
a1=R
Zeroing
This is a blessed loss.
Mate can be forced, but a draw can be achieved under the fifty-move rule.
KQQRvKNP.pgn
lichess.org
Histogram: KQQR winning vs. KNP (log scale)
⋮
Longest KQQRvKNP phases
KQQR winning with DTZ 12
KQQR winning with DTZ 103 (frustrated)
KQQR losing with DTZ 5
KQQRvKNP statistics (unique positions)
White wins:
1,313,972,296,548 (99.9%)
Frustrated white wins:
16,590 (0.0%)
Draws:
988,274,382 (0.1%)
Black wins:
147,422,628 (0.0%)
KQQRvKNP.json
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