Syzygy endgame tablebases

Black is losing with DTZ 108

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


Histogram: KQRRR winning vs. KQ (log scale)

Longest KQRRRvKQ phases

KQRRRvKQ statistics (unique positions)

White wins:
344,376,779,181 (97.7%)
Frustrated white wins:
120,474 (0.0%)
7,421,130,372 (2.1%)
Black wins:
713,781,855 (0.2%)
KQRRRvKQ.json (?)