Syzygy endgame tablebases
White to move
Black to move
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Black is losing with DTZ 6
Qh7+
Loss with DTZ 5
Qf6
Loss with DTZ 3
Qg7
Loss with DTZ 3
Qh2
Loss with DTZ 3
Qh3
Loss with DTZ 3
Qh4
Loss with DTZ 3
Qh5
Loss with DTZ 3
Qh6
Loss with DTZ 3
Kd2
Loss with DTZ 1
Qa1+
Loss with DTZ 1
Qb2+
Loss with DTZ 1
Qc3
Loss with DTZ 1
Qd4
Loss with DTZ 1
Qe5
Loss with DTZ 1
Qf8
Loss with DTZ 1
Qg8
Loss with DTZ 1
Qh1
Loss with DTZ 1
Qxe8
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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