Syzygy endgame tablebases

Black is losing with DTZ 120

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


Histogram: KQPP winning vs. KPP (log scale)

Longest KQPPvKPP phases

KQPPvKPP statistics (unique positions)

White wins:
639,520,541,744 (93.1%)
Frustrated white wins:
7,592,612 (0.0%)
25,022,037,476 (3.6%)
Frustrated black wins:
2,564,736 (0.0%)
Black wins:
22,586,639,184 (3.3%)
KQPPvKPP.json (?)