Syzygy endgame tablebases
White to move
Black to move
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Black is losing with DTZ 101
axb1=Q+
Zeroing
axb1=R+
Zeroing
a1=B
Zeroing
a1=N
Zeroing
a1=Q
Zeroing
a1=R
Zeroing
axb1=B
Zeroing
axb1=N
Zeroing
This is a blessed loss.
Mate can be forced, but a draw can be achieved under the fifty-move rule.
KQRRRvKP.pgn
lichess.org
Histogram: KQRRR winning vs. KP (log scale)
⋮
Longest KQRRRvKP phases
KQRRR winning with DTZ 6
KQRRR winning with DTZ 101 (frustrated)
KQRRR losing with DTZ 2
KQRRRvKP statistics (unique positions)
White wins:
1,360,701,639,810 (99.7%)
Frustrated white wins:
6,414 (0.0%)
Draws:
3,733,500,714 (0.3%)
Black wins:
41,330,454 (0.0%)
KQRRRvKP.json
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