Syzygy endgame tablebases
White to move
Black to move
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Black is losing with DTZ 56
Qd1+
Loss with DTZ 55
Qg6+
Loss with DTZ 13
Qf5+
Loss with DTZ 9
Qe2
Loss with DTZ 3
Qf3
Loss with DTZ 3
Qf7
Loss with DTZ 3
Qg4
Loss with DTZ 3
Qg5
Loss with DTZ 3
Kc4
Loss with DTZ 1
Kc6
Loss with DTZ 1
Kd6
Loss with DTZ 1
Ke4
Loss with DTZ 1
Ke6
Loss with DTZ 1
Qe5
Loss with DTZ 1
Qe8
Loss with DTZ 1
Qh1+
Loss with DTZ 1
Qh2
Loss with DTZ 1
Qh3
Loss with DTZ 1
Qh4
Loss with DTZ 1
Qh6
Loss with DTZ 1
Qh7+
Loss with DTZ 1
Qxh8
DTM 15
Zeroing
KQQNvKQ.pgn
lichess.org
Histogram: KQQN winning vs. KQ (log scale)
Longest KQQNvKQ phases
KQQN winning with DTZ 56
KQQN losing with DTZ 17
KQQNvKQ statistics (unique positions)
White wins:
5,441,092,384 (83.2%)
Draws:
1,081,250,135 (16.5%)
Black wins:
20,615,539 (0.3%)
KQQNvKQ.json
(?)