Syzygy endgame tablebases
White to move
Black to move
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Tablebase draw
Qf4+
Draw
Qg3+
Draw
Qg4
Loss with DTZ 15
Qe4
Loss with DTZ 9
Qe7
Loss with DTZ 3
Qg5
Loss with DTZ 3
Kd7
Loss with DTZ 1
Ke7
Loss with DTZ 1
Ke8
Loss with DTZ 1
Qe1
Loss with DTZ 1
Qf2
Loss with DTZ 1
Qf6
Loss with DTZ 1
Qh2+
Loss with DTZ 1
Qh3
Loss with DTZ 1
Qh5
Loss with DTZ 1
Qh6
Loss with DTZ 1
Qh7
Loss with DTZ 1
Qh8
Loss with DTZ 1
Qxd4
Zeroing
Qxh1
Zeroing
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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