Study master games from the largest built-in library
Chessyi ships with one of the largest integrated game libraries available in a browser chess app: over 1.9 million games across 308 collections. Study how Carlsen handles the Najdorf, browse thousands of Queen's Gambit Declined games, or replay legendary classical brilliancies.
Every game loads onto the same analysis board with Stockfish, heatmaps, and move navigation, so you are never switching tools to understand why a master played a move.
What you get
- 1,917,619 games across 308 collections
- 141 grandmaster and historical player databases
- 166 opening-specific game collections
- Famous classical games every player should know
- Chessyi repertoire PGNs for structured study
How it works
Open the game library
Browse by player, opening, or famous games category.
Pick a collection
See game counts and descriptions before loading.
Step through with analysis
Use move list navigation plus engine and visual tools on every position.
Unique on Chessyi
- Massive library included free, no separate database subscription
- Instant load in-browser without downloading multi-gigabyte files
- Explorer to jump between games in a collection without reloading
Frequently asked questions
Related features
Drill your openings with guided move validation
Train chess openings on Chessyi with 70+ named lines, move validation, hints, arrows, and repertoire-style practice. Build muscle memory for your opening repertoire.
Import, study, and export chess games as PGN
Paste or upload PGN files on Chessyi. Step through move history, analyse with Stockfish, export positions, and study your games on a full-featured interactive board.
Replay legendary games every player should know
Study famous classical chess games on Chessyi. Load immortal games and legendary brilliancies on the analysis board with Stockfish and visual tools.
Ready to analyse like a master?
Open the board free, Stockfish, openings, and 1.9M games in one place.
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