Syzygy endgame tablebases

Invalid position

The given position is not a legal chess position.

Histogram: KQPP losing vs. KQR (log scale)

Longest KQPPvKQR phases

KQPPvKQR statistics (unique positions)

White wins:
242,819,698,530 (25.8%)
Frustrated white wins:
22,448,096 (0.0%)
Draws:
113,968,027,298 (12.1%)
Frustrated black wins:
9,686,248 (0.0%)
Black wins:
582,982,309,960 (62.0%)
KQPPvKQR.json (?)