Syzygy endgame tablebases
White to move
Black to move
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White is winning with DTZ 1
Qxb2
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 8
Ke8
Win with DTZ 8
Qf6
Win with DTZ 8
Qgg8
Win with DTZ 8
Qgh6
Win with DTZ 8
Qhf8
Win with DTZ 8
Qhg8
Win with DTZ 8
Kc8
Win with DTZ 9
Bb8
Win with DTZ 10
Be5
Win with DTZ 10
Bf4
Win with DTZ 10
Bh2
Win with DTZ 10
Qgf8
Win with DTZ 10
Qhh6
Win with DTZ 10
Bg3
Win with DTZ 12
Ba3
Draw
Bb4
Draw
Bc5
Draw
Be7
Draw
Bf8
Draw
Kc6
Draw
Kc7
Draw
Kd8
Draw
Ke6
Draw
Ke7
Draw
Qc3+
Draw
Qd4+
Draw
Qe5
Draw
Qe7
Draw
Qf7
Draw
Qg1
Draw
Qg2
Draw
Qg4
Draw
Qg5
Draw
Qc8
Draw
Qh1
Draw
Qh2
Draw
Qh4
Draw
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
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