Syzygy endgame tablebases
White to move
Black to move
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Tablebase draw
Qxd6
Draw
Qg6+
Draw
Qc4
Loss with DTZ 33
Qg4
Loss with DTZ 33
Qd5
Loss with DTZ 32
Qf5+
Loss with DTZ 29
Qf7
Loss with DTZ 29
Qh6
Loss with DTZ 27
Qc8
Loss with DTZ 25
Qf6
Loss with DTZ 23
Qg8
Loss with DTZ 21
Qe2
Loss with DTZ 3
Qe8
Loss with DTZ 3
Kd1
Loss with DTZ 1
Kd2
Loss with DTZ 1
Ke2
Loss with DTZ 1
Kf1
Loss with DTZ 1
Qa2+
Loss with DTZ 1
Qb3+
Loss with DTZ 1
Qd7
Loss with DTZ 1
Qe3
Loss with DTZ 1
Qe4+
Loss with DTZ 1
Qe5
Loss with DTZ 1
Qe7
Loss with DTZ 1
Qh3
Loss with DTZ 1
KRBBNvKQ.pgn
lichess.org
Histogram: KRBBN winning vs. KQ (log scale)
Longest KRBBNvKQ phases
KRBBN winning with DTZ 100
KRBBN winning with DTZ 380 (frustrated)
KRBBN losing with DTZ 132 (frustrated)
KRBBN losing with DTZ 41
KRBBNvKQ statistics (unique positions)
White wins:
274,292,994,419 (62.4%)
Frustrated white wins:
99,663,112 (0.0%)
Draws:
138,469,313,381 (31.5%)
Frustrated black wins:
2,380,920,624 (0.5%)
Black wins:
23,985,948,792 (5.5%)
KRBBNvKQ.json
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