Syzygy endgame tablebases
White to move
Black to move
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Tablebase draw
Ka7
Draw
Ka8
Draw
Kb7
Draw
Kc8
Draw
Qb4+
Draw
Qb6+
Draw
Qd3+
Draw
Qa3
Loss with DTZ 51
Kc7
Loss with DTZ 47
Qa6
Loss with DTZ 47
Qd2
Loss with DTZ 47
Qd4
Loss with DTZ 47
Qe7
Loss with DTZ 43
Qf4
Loss with DTZ 38
Qh2
Loss with DTZ 34
Qc7
Loss with DTZ 31
Qd8
Loss with DTZ 22
Qc5
Loss with DTZ 3
Qe5
Loss with DTZ 3
Qc6
Loss with DTZ 1
Qd1+
Loss with DTZ 1
Qd5
Loss with DTZ 1
Qd7
Loss with DTZ 1
Qe6
Loss with DTZ 1
Qg3
Loss with DTZ 1
Qxf6
Zeroing
Qxf8
Zeroing
KRBNNvKQ.pgn
lichess.org
Histogram: KRBNN winning vs. KQ (log scale)
Longest KRBNNvKQ phases
KRBNN winning with DTZ 100
KRBNN winning with DTZ 218 (frustrated)
KRBNN losing with DTZ 125 (frustrated)
KRBNN losing with DTZ 44
KRBNNvKQ statistics (unique positions)
White wins:
261,991,949,540 (58.2%)
Frustrated white wins:
86,458,848 (0.0%)
Draws:
158,409,731,635 (35.2%)
Frustrated black wins:
8,550,502 (0.0%)
Black wins:
29,514,617,183 (6.6%)
KRBNNvKQ.json
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