Syzygy endgame tablebases

Black is losing with DTZ 16

KQBvKB.pgn lichess.org

Histogram: KQB winning vs. KB (log scale)

Longest KQBvKB phases

KQBvKB statistics (unique positions)

White wins:
130,114,242 (88.0%)
Draws:
17,764,069 (12.0%)
Black wins:
1,717 (0.0%)
KQBvKB.json (?)