Syzygy endgame tablebases

Black is losing with DTZ 16

KQBBvKB.pgn lichess.org

Histogram: KQBB winning vs. KB (log scale)

Longest KQBBvKB phases

KQBBvKB statistics (unique positions)

White wins:
7,546,122,914 (90.8%)
Draws:
761,847,538 (9.2%)
Black wins:
172,564 (0.0%)
KQBBvKB.json (?)