Syzygy endgame tablebases

Invalid position

The given position is not a legal chess position.

Histogram: KQQN winning vs. KR (log scale)

Longest KQQNvKR phases

KQQNvKR statistics

7,303,924,879 (99.8%)
8,190,743 (0.1%)
4,191,232 (0.1%)
KQQNvKR.json (?)