Syzygy endgame tablebases
White to move
Black to move
JavaScript required for interactive board view.
White is winning with DTZ 1
Bxa4
Zeroing
Qxc4
Zeroing
Qe5+
Win with DTZ 2
Qe7+
Win with DTZ 2
Qeh7+
Win with DTZ 2
Qh2+
Win with DTZ 2
Qhh7+
Win with DTZ 2
Qhb1
Win with DTZ 8
Qc2
Win with DTZ 10
Bd5
Win with DTZ 16
Ba8
Draw
Bb5
Draw
Bb7
Draw
Bd7
Draw
Be8
Draw
Kd1
Draw
Ke1
Draw
Ke3
Draw
Qeb1
Draw
Qd3
Draw
Qd5
Draw
Qee1
Draw
Qe3
Draw
Qf5
Draw
Qeh4
Draw
Qa1
Draw
Qc1
Draw
Qd1
Draw
Qhe1
Draw
Qf1
Draw
Qhf3
Draw
Qg1
Draw
Qhg2
Draw
Qh3
Draw
Qhh4
Draw
Qh5
Draw
Qh6
Draw
Qh8
Draw
Qef3
Loss with DTZ 10
Qeg2
Loss with DTZ 10
Qg6
Loss with DTZ 10
Qe8
Loss with DTZ 4
Qe2
Loss with DTZ 2
Qe6
Loss with DTZ 2
Qg4
Loss with DTZ 2
Qd4
Loss with DTZ 1
Qf4+
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
(?)