Syzygy endgame tablebases

Black is losing with DTZ 116

This is a blessed loss. Mate can be forced, but a draw can be achieved under the fifty-move rule.

KQQBvKRR.pgn lichess.org

Histogram: KQQB winning vs. KRR (log scale)

Longest KQQBvKRR phases

KQQBvKRR statistics (unique positions)

White wins:
354,086,347,214 (97.5%)
Frustrated white wins:
28,424,824 (0.0%)
Draws:
5,837,079,504 (1.6%)
Black wins:
3,145,292,910 (0.9%)
KQQBvKRR.json (?)