Syzygy endgame tablebases
White to move
Black to move
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White is winning with DTZ 101
Ka2
Win with DTZ 101
Kb1
Stalemate
Kxb2
Stalemate
Qxb2
Stalemate
This is a cursed win.
Mate can be forced, but a draw can be achieved under the fifty-move rule.
KQRRBvKP.pgn
lichess.org
Histogram: KQRRB winning vs. KP (log scale)
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Longest KQRRBvKP phases
KQRRB winning with DTZ 6
KQRRB winning with DTZ 102 (frustrated)
KQRRB losing with DTZ 2
KQRRBvKP statistics (unique positions)
White wins:
1,412,405,065,644 (99.8%)
Frustrated white wins:
141,962 (0.0%)
Draws:
3,324,069,606 (0.2%)
Black wins:
59,187,600 (0.0%)
KQRRBvKP.json
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