Syzygy endgame tablebases

Black is losing with DTZ 118

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


Histogram: KQRRB winning vs. KQ (log scale)

Longest KQRRBvKQ phases

KQRRBvKQ statistics (unique positions)

White wins:
359,305,885,392 (97.2%)
Frustrated white wins:
3,265,056 (0.0%)
9,290,416,162 (2.5%)
Black wins:
983,302,366 (0.3%)
KQRRBvKQ.json (?)