Syzygy endgame tablebases

White is winning with DTZ 109

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

KQQRNvKQ.pgn lichess.org

Histogram: KQQRN winning vs. KQ (log scale)

Longest KQQRNvKQ phases

KQQRNvKQ statistics (unique positions)

White wins:
347,120,115,406 (97.9%)
Frustrated white wins:
20,000 (0.0%)
Draws:
6,762,361,545 (1.9%)
Black wins:
649,477,657 (0.2%)
KQQRNvKQ.json (?)