Syzygy endgame tablebases
White to move
Black to move
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White is winning with DTZ 3
Qf5+
Win with DTZ 2
Qg6+
Win with DTZ 2
Qfh7+
Win with DTZ 2
Qhh7+
Win with DTZ 2
Qd5+
Win with DTZ 4
Qh3+
Win with DTZ 4
Qa7
Win with DTZ 8
Qd7
Win with DTZ 8
Qfh5
Win with DTZ 8
Qa8
Win with DTZ 8
Qc8
Win with DTZ 8
Qd8
Win with DTZ 8
Qhf6
Win with DTZ 8
Qhg7
Win with DTZ 8
Qhg8
Win with DTZ 8
Qhh5
Win with DTZ 8
Qh6
Win with DTZ 8
Kd7
Win with DTZ 10
Qc7
Win with DTZ 10
Qfe8
Win with DTZ 10
Qff6
Win with DTZ 10
Qff8
Win with DTZ 10
Qfg8
Win with DTZ 10
Qhe8
Win with DTZ 10
Qh2
Win with DTZ 10
Qh4
Win with DTZ 10
Qhf8
Win with DTZ 12
Kc5
Draw
Kc6
Draw
Kc7
Draw
Kd5
Draw
Ke5
Draw
Ke6
Draw
Ke7
Draw
Bc1
Draw
Bd2
Draw
Be3
Draw
Be5
Draw
Bg3
Draw
Bg5
Draw
Bh2
Draw
Bh6
Draw
Qxb3+
Draw
Qb7
Draw
Qc4+
Draw
Qe6
Draw
Qe7
Draw
Qfg7
Draw
Qa1
Draw
Qb2
Draw
Qb8
Draw
Qc3+
Draw
Qd4+
Draw
Qe5
Draw
Qh1
Draw
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
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