Syzygy endgame tablebases
White to move
Black to move
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White is winning with DTZ 8
Qc7
Win with DTZ 7
Kd8
Win with DTZ 8
Bc7
Win with DTZ 8
Kd7
Draw
Bc5
Draw
Qc4+
Draw
Qc3+
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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