Syzygy endgame tablebases
White to move
Black to move
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Tablebase draw
Qc1+
Draw
Qd7
Loss with DTZ 37
Qb7+
Loss with DTZ 35
Qc6
Loss with DTZ 35
Qc8
Loss with DTZ 35
Qf7
Loss with DTZ 35
Qg7
Loss with DTZ 34
Qa5
Loss with DTZ 33
Qc4
Loss with DTZ 33
Qd8
Loss with DTZ 25
Qe7
Loss with DTZ 5
Qb6+
Loss with DTZ 1
Qc2+
Loss with DTZ 1
Qc3
Loss with DTZ 1
Qc5
Loss with DTZ 1
Qd6
Loss with DTZ 1
Qe5
Loss with DTZ 1
Qf4
Loss with DTZ 1
Qg3
Loss with DTZ 1
Qh2
Loss with DTZ 1
Qh7+
Loss with DTZ 1
Kd2
Loss with DTZ 1
Ke1
Loss with DTZ 1
Ke2
Loss with DTZ 1
Qxa7
Zeroing
Qxb8+
Zeroing
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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