Syzygy endgame tablebases
White to move
Black to move
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White is winning with DTZ 101
Kb2
Win with DTZ 101
Ka1
Stalemate
Kxa2
Stalemate
Rxa2
Stalemate
Kc1
Loss with DTZ 1
This is a cursed win.
Mate can be forced, but a draw can be achieved under the fifty-move rule.
KQRRNvKP.pgn
lichess.org
Histogram: KQRRN winning vs. KP (log scale)
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Longest KQRRNvKP phases
KQRRN winning with DTZ 7
KQRRN winning with DTZ 102 (frustrated)
KQRRN losing with DTZ 2
KQRRNvKP statistics (unique positions)
White wins:
1,433,607,390,098 (99.8%)
Frustrated white wins:
326,154 (0.0%)
Draws:
3,130,757,176 (0.2%)
Black wins:
81,008,528 (0.0%)
KQRRNvKP.json
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