Analyze Your Chess Games Like a Grandmaster

Cloud Stockfish at depth 30, a 10.3 million-game master reference database updated weekly, and a focused workspace for studying your own games. Free to start.

Chesslytix analysis board showing the Byrne vs. Fischer 1956 'Game of the Century', with cloud Stockfish evaluating Fischer's queen sacrifice at -5.72 across three candidate lines

Engine Analysis

Cloud Stockfish up to depth 30 with multi-line evaluation, plus an instant local engine in your browser.

Game Library

Import, organize, and annotate your games. Auto-saved drafts and full PGN support.

Reference Database

10.3 million master games, updated weekly. Click any position to see top moves, win rates, and which grandmasters played it.

Built for Focus

No social feed, no ads, no puzzle streaks. A clean workspace built for reviewing and studying chess.

Reference database panel showing the Ruy Lopez (C46e) with 505,581 master games, a result breakdown, and the top five replies by popularity and rating

10.3 million master games, updated weekly

Click any position on the board and see how masters have handled it: popular replies ranked by games and rating, win/draw/loss splits, and the games themselves. Updated every week from TWIC.

Game library showing an auto-saved draft with a "Draft" badge and five organized games with players, results, and dates

Auto-saved drafts and full PGN

Start analyzing and Chesslytix saves your work as you go — no lost games from a closed tab. Import, organize, and export full PGN with all the metadata intact.

Chess board with an annotation arrow drawn from c3 to e2, illustrating a candidate knight move during analysis

Built for studying, not just watching

Right-click to draw arrows, highlight squares, and leave comments directly on the board. A focused workspace for working through your own ideas, not a spectator feed.

The full app, not a cut-down mobile version

Cloud engine, master reference database, and your full game library — all of it, reshaped for a phone screen instead of trimmed down for one.

Chesslytix dashboard on an iPhone, showing Total Games, Analyzed Games, and Databases stat cards plus Quick Actions

Dashboard

Chesslytix analysis board on an iPhone, showing the full board, a cloud Stockfish evaluation of -5.33, and the move list

Live analysis

Chesslytix reference tab on an iPhone, showing popular moves in the Ruy Lopez ranked by games played and score

Reference database

Chesslytix game library on an iPhone, showing games as stacked cards with player names, results, and move counts

Game library

Ready to improve your chess?