Syzygy endgame tablebases
White to move
Black to move
JavaScript required for interactive board view.
White is winning with DTZ 1
Qxc3+
Zeroing
Qg3+
Win with DTZ 2
Qg6+
Win with DTZ 2
Qgh7+
Win with DTZ 2
Qh3+
Win with DTZ 2
Qhh7+
Win with DTZ 2
Bc7
Win with DTZ 10
Ba3
Draw
Bb4
Draw
Bb8
Draw
Bc5
Draw
Be5
Draw
Be7
Draw
Bf4
Draw
Bf8
Draw
Bh2
Draw
Kd8
Draw
Ke6
Draw
Ke7
Draw
Ke8
Draw
Qd4+
Draw
Qe5
Draw
Qe7
Draw
Qf6
Draw
Qf7
Draw
Qgf8
Draw
Qg1
Draw
Qg2
Draw
Qg4
Draw
Qg5
Draw
Qgg8
Draw
Qgh6
Draw
Qc8
Draw
Qhf8
Draw
Qhg8
Draw
Qh1
Draw
Qh2
Draw
Qh4
Draw
Qhh6
Draw
Bg3
Loss with DTZ 2
Qa8
Loss with DTZ 1
Qb8
Loss with DTZ 1
Qd8
Loss with DTZ 1
Qe8
Loss with DTZ 1
Qh5
Loss with DTZ 1
KQQBvKQR.pgn
lichess.org
Histogram: KQQB winning vs. KQR (log scale)
Longest KQQBvKQR phases
KQQB winning with DTZ 100
KQQB winning with DTZ 111 (frustrated)
KQQB losing with DTZ 123 (frustrated)
KQQB losing with DTZ 93
KQQBvKQR statistics (unique positions)
White wins:
225,023,819,639 (68.6%)
Frustrated white wins:
628 (0.0%)
Draws:
76,432,051,889 (23.3%)
Frustrated black wins:
1,068,902 (0.0%)
Black wins:
26,789,935,166 (8.2%)
KQQBvKQR.json
(?)