Syzygy endgame tablebases

Black is losing with DTZ 6

KQQQQvKB.pgn lichess.org

Histogram: KQQQQ winning vs. KB (log scale)

Longest KQQQQvKB phases

KQQQQvKB statistics (unique positions)

White wins:
369,605,062,980 (99.9%)
Draws:
475,373,772 (0.1%)
KQQQQvKB.json (?)