Syzygy endgame tablebases
White to move
Black to move
JavaScript required for interactive board view.
White is winning with DTZ 1
Qxa1
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
Qe5
Win with DTZ 8
Qf6
Win with DTZ 24
Ba3
Draw
Bb4
Draw
Bb8
Draw
Bc5
Draw
Bc7
Draw
Be5
Draw
Be7
Draw
Bf4
Draw
Bf8
Draw
Bg3
Draw
Bh2
Draw
Kc6
Draw
Kc7
Draw
Kc8
Draw
Kd8
Draw
Ke6
Draw
Ke7
Draw
Ke8
Draw
Qb2
Draw
Qc3+
Draw
Qd4+
Draw
Qe7
Draw
Qf7
Draw
Qgf8
Draw
Qg1
Draw
Qg2
Draw
Qg4
Draw
Qg5
Draw
Qgg8
Draw
Qgh6
Draw
Qc8
Draw
Qd8
Draw
Qe8
Draw
Qhf8
Draw
Qhg8
Draw
Qh2
Draw
Qh4
Draw
Qh5
Draw
Qhh6
Draw
Qa8
Loss with DTZ 1
Qb8
Loss with DTZ 1
Qh1
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
(?)