Syzygy endgame tablebases
White to move
Black to move
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Black is losing with DTZ 101
axb1=Q+
Zeroing
Ke3
Loss with DTZ 1
Kg3
Loss with DTZ 1
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.
KQQRNvKP.pgn
lichess.org
Histogram: KQQRN winning vs. KP (log scale)
⋮
Longest KQQRNvKP phases
KQQRN winning with DTZ 7
KQQRN winning with DTZ 101 (frustrated)
KQQRN losing with DTZ 2
KQQRNvKP statistics (unique positions)
White wins:
1,366,748,072,102 (99.7%)
Frustrated white wins:
1,222 (0.0%)
Draws:
3,838,705,810 (0.3%)
Black wins:
38,778,770 (0.0%)
KQQRNvKP.json
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