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.

KQRRRvKP.pgn lichess.org

Histogram: KQRRR winning vs. KP (log scale)

Longest KQRRRvKP phases

KQRRRvKP statistics (unique positions)

White wins:
1,360,701,639,810 (99.7%)
Frustrated white wins:
6,414 (0.0%)
Draws:
3,733,500,714 (0.3%)
Black wins:
41,330,454 (0.0%)
KQRRRvKP.json (?)