Syzygy endgame tablebases
White to move
Black to move
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Tablebase draw
Qb5+
Draw
Qd3
Loss with DTZ 15
Qe3
Loss with DTZ 14
Qe4
Loss with DTZ 14
Qf3
Loss with DTZ 13
Qh5
Loss with DTZ 13
Qc4
Loss with DTZ 9
Qa6
Loss with DTZ 7
Qe6
Loss with DTZ 7
Qe7
Loss with DTZ 5
Qb2+
Loss with DTZ 1
Qc2
Loss with DTZ 1
Qd1
Loss with DTZ 1
Qd2
Loss with DTZ 1
Qe1
Loss with DTZ 1
Qe5+
Loss with DTZ 1
Qf1
Loss with DTZ 1
Qf2
Loss with DTZ 1
Qg4
Loss with DTZ 1
Kd7
Loss with DTZ 1
Kd8
Loss with DTZ 1
Ke7
Loss with DTZ 1
Kf7
Loss with DTZ 1
Kf8
Loss with DTZ 1
Qxa2
Zeroing
Qxg2
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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