Syzygy endgame tablebases
White to move
Black to move
JavaScript required for interactive board view.
Tablebase draw
Qxb2+
Draw
Qc7+
Draw
Qc8+
Loss with DTZ 69
Qh2+
Loss with DTZ 69
Qb3+
Loss with DTZ 67
Qc4
Loss with DTZ 17
Qa4
Loss with DTZ 15
Ke8
Loss with DTZ 14
Qc6
Loss with DTZ 12
Kd7
Loss with DTZ 12
Ke7
Loss with DTZ 12
Qc5
Loss with DTZ 11
Qh7
Loss with DTZ 9
Qf2
Loss with DTZ 7
Qf5
Loss with DTZ 7
Qe2
Loss with DTZ 5
Qe4
Loss with DTZ 5
Qd2
Loss with DTZ 3
Qd3
Loss with DTZ 3
Qb1
Loss with DTZ 1
Qc1
Loss with DTZ 1
Qc3
Loss with DTZ 1
Qd1
Loss with DTZ 1
Qg2
Loss with DTZ 1
Qg6
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
334,411,661,737 (79.2%)
58,336,799 (0.0%)
81,928,183,430 (19.4%)
5,795,099,484 (1.4%)
KRRBNvKQ.json
(?)
