Syzygy endgame tablebases
White to move
Black to move
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Tablebase draw
Qb4+
Draw
Qe4+
Draw
Qxg1
Draw
Qc4
Loss with DTZ 57
Qd5
Loss with DTZ 55
Qd2
Loss with DTZ 45
Qd7
Loss with DTZ 45
Qd8
Loss with DTZ 45
Qg4
Loss with DTZ 43
Qg7
Loss with DTZ 43
Qh4
Loss with DTZ 41
Qf6
Loss with DTZ 40
Qh8
Loss with DTZ 37
Kd2
Loss with DTZ 1
Ke1
Loss with DTZ 1
Ke2
Loss with DTZ 1
Qa4
Loss with DTZ 1
Qa7
Loss with DTZ 1
Qb2+
Loss with DTZ 1
Qb6+
Loss with DTZ 1
Qc3
Loss with DTZ 1
Qc5
Loss with DTZ 1
Qd3+
Loss with DTZ 1
Qd6
Loss with DTZ 1
Qe3
Loss with DTZ 1
Qe5
Loss with DTZ 1
Qf2
Loss with DTZ 1
Qf4
Loss with DTZ 1
Qxa1+
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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