Syzygy endgame tablebases
White to move
Black to move
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Tablebase draw
Qxd4+
Draw
Qe7+
Loss with DTZ 21
Qh7+
Loss with DTZ 21
Kd7
Loss with DTZ 16
Kc8
Loss with DTZ 15
Qg3
Loss with DTZ 15
Qg4
Loss with DTZ 15
Kc7
Loss with DTZ 14
Ke8
Loss with DTZ 14
Qh2
Loss with DTZ 13
Qh3
Loss with DTZ 13
Qh5
Loss with DTZ 13
Qh6
Loss with DTZ 13
Qe4
Loss with DTZ 9
Ke7
Loss with DTZ 3
Qg5
Loss with DTZ 3
Qe1
Loss with DTZ 1
Qf2
Loss with DTZ 1
Qf4
Loss with DTZ 1
Qf6
Loss with DTZ 1
Qh1
Loss with DTZ 1
Qh8
Loss with DTZ 1
KRRBNvKQ.pgn
lichess.org
Histogram: KRRBN winning vs. KQ (log scale)
Longest KRRBNvKQ phases
KRRBN winning with DTZ 100
KRRBN winning with DTZ 163 (frustrated)
KRRBN losing with DTZ 31
KRRBNvKQ statistics (unique positions)
White wins:
334,411,661,737 (79.2%)
Frustrated white wins:
58,336,799 (0.0%)
Draws:
81,928,183,430 (19.4%)
Black wins:
5,795,099,484 (1.4%)
KRRBNvKQ.json
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