Syzygy endgame tablebases
White to move
Black to move
JavaScript required for interactive board view.
White is winning with DTZ 3
Bc6+
Win with DTZ 2
Rc7
Win with DTZ 14
Rc8+
Win with DTZ 14
Rhe1
Win with DTZ 14
Bg6+
Win with DTZ 15
Ng4
Win with DTZ 15
Rhg1
Win with DTZ 16
Nf3
Win with DTZ 16
Rce1
Win with DTZ 17
Bd5
Win with DTZ 17
Rhf1
Win with DTZ 17
Rcd1
Win with DTZ 19
Rhd1
Win with DTZ 19
Rcf1
Win with DTZ 20
Rcg1
Win with DTZ 20
Bf5
Win with DTZ 20
Bb1
Win with DTZ 22
Bd3
Win with DTZ 22
Kg7
Win with DTZ 22
Kh8
Win with DTZ 23
Bf3
Win with DTZ 25
Bh7
Win with DTZ 38
Bg2
Win with DTZ 45
Ba8
Win with DTZ 48
Ra1
Draw
Rb1
Draw
Rc2
Draw
Rc3
Draw
Rc5
Draw
Rc6
Draw
Bb7
Draw
Bc2
Draw
Kh7
Draw
Nf1
Draw
Rc4
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 (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
(?)