Syzygy endgame tablebases
White to move
Black to move
JavaScript required for interactive board view.
White is winning with DTZ 3
Qg6+
Win with DTZ 2
Qfh7+
Win with DTZ 2
Qhh7+
Win with DTZ 2
Qh3+
Win with DTZ 4
Qd7
Win with DTZ 6
Qd8
Win with DTZ 8
Be3
Win with DTZ 12
Qc7
Win with DTZ 16
Qc8
Win with DTZ 18
Qh2
Win with DTZ 18
Kc6
Draw
Kc7
Draw
Kd7
Draw
Ke6
Draw
Ke7
Draw
Bd2
Draw
Be5
Draw
Bg5
Draw
Bh2
Draw
Bh6
Draw
Qa2
Draw
Qb3+
Draw
Qb7
Draw
Qc4+
Draw
Qd5+
Draw
Qe6
Draw
Qe7
Draw
Qfe8
Draw
Qf5+
Draw
Qff6
Draw
Qa1
Draw
Qa8
Draw
Qb2
Draw
Qc3+
Draw
Qd4+
Draw
Qe5
Draw
Qhe8
Draw
Qhf6
Draw
Qhg7
Draw
Qhg8
Draw
Qh1
Draw
Qh4
Draw
Qhh5
Draw
Qh6
Draw
Bg3
Loss with DTZ 14
Bc1
Loss with DTZ 10
Qfh5
Loss with DTZ 10
Qfg7
Loss with DTZ 8
Qhf8
Loss with DTZ 8
Qa7
Loss with DTZ 6
Qff8
Loss with DTZ 6
Qfg8
Loss with DTZ 6
Qb8
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
(?)