Syzygy endgame tablebases

White is winning with DTZ 1

KQQvKBB.pgn lichess.org

Histogram: KQQ winning vs. KBB (log scale)

Longest KQQvKBB phases

KQQvKBB statistics (unique positions)

White wins:
7,181,704,840 (99.3%)
Frustrated white wins:
26,140,940 (0.4%)
Draws:
19,622,210 (0.3%)
Black wins:
5,111,728 (0.1%)
KQQvKBB.json (?)