Syzygy endgame tablebases

Black is losing with DTZ 52

KQQBvKR.pgn lichess.org

Histogram: KQQB winning vs. KR (log scale)

Longest KQQBvKR phases

KQQBvKR statistics (unique positions)

White wins:
7,135,307,674 (99.9%)
Draws:
7,643,304 (0.1%)
Black wins:
3,054,802 (0.0%)
KQQBvKR.json (?)