Syzygy endgame tablebases

Black is losing with DTZ 152

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

KQQQvKQQ.pgn lichess.org

Histogram: KQQQ winning vs. KQQ (log scale)

Longest KQQQvKQQ phases

KQQQvKQQ statistics (unique positions)

White wins:
205,129,913,190 (78.3%)
Frustrated white wins:
108,684 (0.0%)
Draws:
26,043,149,340 (9.9%)
Black wins:
30,764,944,674 (11.7%)
KQQQvKQQ.json (?)