Syzygy endgame tablebases

Black is losing with DTZ 8

KQRRRvKB.pgn lichess.org

Histogram: KQRRR winning vs. KB (log scale)

Longest KQRRRvKB phases

KQRRRvKB statistics (unique positions)

White wins:
419,376,689,160 (99.9%)
Draws:
285,152,826 (0.1%)
KQRRRvKB.json (?)