Why chess players choose Chessyi for study
Chess.com and Lichess are excellent for playing online. Chessyi is built for a different job: deep analysis, opening preparation, visual position understanding, and studying master games , with tools bundled that free tiers elsewhere rarely offer together.
| Feature | Chessyi | Typical free tier |
|---|---|---|
| Local Stockfish engine | Runs in your browser, instant, private | Often server-queued or depth-limited on free tiers |
| Heatmap visual analysis | 12+ overlay types built in | Rarely available in free analysis tools |
| Master game library | 1.9M games, 308 collections included | Usually separate database subscription |
| Opening practice | 70+ lines with validation and hints | Often paid or limited puzzles only |
| Primary focus | Study, analysis, and training | Online play and puzzles |
| Account required | Optional for analysis; saves sync when signed in | Required for most features |
Use Chessyi alongside your favorite site
Export PGN from Chess.com or Lichess, import into Chessyi, and unlock heatmaps, deeper local Stockfish, and the 1.9M game library. Many players use Chessyi as their analysis desk while keeping their online ratings elsewhere.
Learn about PGN import →Ready to analyse like a master?
Open the board free, Stockfish, openings, and 1.9M games in one place.
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