Syzygy endgame tablebases

Black is losing with DTZ 122

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

KQQNvKRR.pgn lichess.org

Histogram: KQQN winning vs. KRR (log scale)

Longest KQQNvKRR phases

KQQNvKRR statistics (unique positions)

White wins:
349,773,367,972 (93.9%)
Frustrated white wins:
4,266,755,826 (1.1%)
Draws:
14,201,406,226 (3.8%)
Black wins:
4,410,242,944 (1.2%)
KQQNvKRR.json (?)