Syzygy endgame tablebases
White to move
Black to move
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White is winning with DTZ 1
Qxg8
Zeroing
Bxb7
Zeroing
Qgh2+
Win with DTZ 2
Qhh2+
Win with DTZ 2
Bd5
Win with DTZ 4
Qa1
Win with DTZ 4
Qd5
Win with DTZ 6
Qc1
Win with DTZ 6
Qe4
Win with DTZ 12
Kc1
Win with DTZ 16
Ba4
Win with DTZ 20
Bb5
Win with DTZ 20
Be4
Win with DTZ 20
Qgf1
Win with DTZ 34
Bf3
Draw
Kc3
Draw
Kd1
Draw
Kd3
Draw
Ke1
Draw
Ke2
Draw
Ke3
Draw
Qe2
Draw
Qf3
Draw
Qgg1
Draw
Qg3+
Draw
Qg4
Draw
Qg6
Draw
Qg7+
Draw
Qgh3
Draw
Qb1
Draw
Qd1
Draw
Qe1
Draw
Qhf1
Draw
Qhg1
Draw
Qhh3
Draw
Qh4
Draw
Qh5
Draw
Qh6
Draw
Qh7+
Draw
Qh8
Draw
Kc2
Loss with DTZ 14
Qf2
Loss with DTZ 12
Bd7
Loss with DTZ 2
Be8
Loss with DTZ 2
Qg5
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
(?)