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Syzygy endgame tablebases

Black is losing with DTZ 8

KQQRRvKB.pgn lichess.org

Histogram: KQQRR winning vs. KB (log scale)

Longest KQQRRvKB phases

KQQRRvKB statistics

400,819,930,814 (99.9%)
353,647,414 (0.1%)
KQQRRvKB.json (?)