Live evaluation
Stockfish deepens continuously as you move, streaming the evaluation straight to the board. Push to depth 30 when a line deserves it.
Everything you need to take an opponent apart before the first move — built on a foundation of unyielding logic.
Stockfish deepens continuously as you move, streaming the evaluation straight to the board. Push to depth 30 when a line deserves it.
Point it at a player's games and get their recurring mistakes ranked by how often they play them and how much they cost.
Import PGNs from anywhere. Games accumulate on disk, duplicates are removed automatically, and nothing leaves your machine.
The desktop companion for deep engine analysis and opening prep.
Download the desktop client and run the engine on your own hardware. No account required.
Download SQUARES ASSISTANT