Syzygy endgame tablebases

Black is losing with DTZ 8

KQQRRNvK.pgn lichess.org

Histogram: KQQRRN winning vs. K (log scale)

Longest KQQRRNvK phases

KQQRRNvK statistics (unique positions)

White wins:
423,774,571,432 (96.7%)
Draws:
14,361,887,852 (3.3%)
KQQRRNvK.json (?)