Syzygy endgame tablebases

Black is losing with DTZ 101

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

KQQRNvKP.pgn lichess.org

Histogram: KQQRN winning vs. KP (log scale)

Longest KQQRNvKP phases

KQQRNvKP statistics (unique positions)

White wins:
1,366,748,072,102 (99.7%)
Frustrated white wins:
1,222 (0.0%)
Draws:
3,838,705,810 (0.3%)
Black wins:
38,778,770 (0.0%)
KQQRNvKP.json (?)