Syzygy endgame tablebases

Black is losing with DTZ 106

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

KQQRBvKR.pgn lichess.org

Histogram: KQQRB winning vs. KR (log scale)

Longest KQQRBvKR phases

KQQRBvKR statistics (unique positions)

White wins:
390,848,659,032 (99.9%)
Frustrated white wins:
6,624 (0.0%)
Draws:
244,525,186 (0.1%)
Black wins:
96,543,470 (0.0%)
KQQRBvKR.json (?)