Yes. Game review is free, with no account and no limit on how many games you analyse.

I have used my free Chess.com Game Review for the day. What now?

Open the same game here instead. Type rv in front of chess.com in the game's address: chess.com/game/live/12345678 becomes rvchess.com/game/live/12345678, and a full review builds itself. There is no daily cap because the engine runs in your browser rather than on a server.

How do I review a Chess.com game?

Type rv in front of chess.com in a saved live, daily, or computer game link, paste the link into the import box, or look the game up by Chess.com username.

How do I review a Lichess game?

Paste the game link into the import box. Any Lichess address works: the plain lichess.org/abcd1234 form, the longer one your own games get, and the /white and /black variants.

Are the explanations AI-generated?

No. There is no language model in the review. Move labels come from Stockfish 18's evaluations and published thresholds, and an explanation such as a fork or a hanging piece is shown only when replaying the moves on the board proves it. When nothing can be proven, the review says only what the engine found.

Which engine does the analysis?

Stockfish 18, compiled to WebAssembly. Analysis stays inside your browser. Completed games are contributed only if you explicitly enable the de-identified research option.

Can I analyse a single position instead of a whole game?

Yes. Open the sandbox, set the position up by dragging pieces or pasting a FEN, and Stockfish evaluates it live as you play both sides, with the best moves drawn on the board.

Can I review a PGN without an account?

Yes. Paste the PGN into the import panel and the review starts on its own. No sign-in is required; game contribution is off by default.

Privacy policy

Game analysis runs on your own machine. This page sets out the few places where data does reach a server, and what happens to it there.

Updated 4 November 2026

Last updated 4 November 2026. This policy covers rvchess.com and the ReviewChess browser extension.

Analysis stays on your device

Stockfish is compiled to WebAssembly and runs in your browser. The games you review, the positions the engine examines and the results it produces are processed on your device. Guest reviews are stored in this browser. You do not need an account to review a game. Importing, sharing, optional account sync and the other services described below make their own server requests.

What is stored, and only when you ask for it

Accounts. If you create one, we store your email address, and the display name and avatar your sign-in provider gives us. Passwords are stored only as a slow one-way hash; passkeys are stored as public keys. We never hold a password in a form we can read. Sessions and sign-in links are stored hashed and expire.
Saved analyses. Reviews you choose to save to your account are stored against your account so you can open them from another device. They are visible to you, not to other users.
Contributed games. Only if you explicitly turn on game contribution. The stored copy keeps the moves and the result, rating and time-control headers, and drops the player names.
Feedback. Whatever you type into the feedback box, plus an email address if you choose to give one so we can reply.
Puzzles and shared links. Guess-the-Elo answers and any position or game you deliberately create a share link for.

Analytics

We keep our own cookieless log of how the site is used: which pages are opened and features used, such as a review being started or finished. Each entry carries a random identifier for your browser, the channel and site you arrived from, your country (looked up from your IP address, which is not stored), your device type, operating system and browser, and whether you are signed in (not which account). It never holds your games, moves or usernames, and it does not build a cross-site profile of you. Server logs and rate limiting see your IP address, as any web server does; IP addresses are not linked to your account or your games.

The browser extension

The ReviewChess extension for Chrome and Firefox adds a review button to Chess.com game pages. It stores nothing, sends no requests of its own, and contains no analytics or tracking code. When you click the button it opens the matching rvchess.com address in a new tab, tagged so we can see how many visits come from the extension. From that point the rest of this policy applies.

Supporter payments

Optional supporter subscriptions are handled by Stripe. You enter your billing email and payment details on Stripe’s checkout, and manage or cancel your subscription through Stripe’s billing portal. RV Chess does not store your card number on its servers.

Billing is separate from an RV Chess account. Deleting your RV Chess account does not cancel a supporter subscription or remove the billing records held in Stripe. You can read Stripe’s privacy policy for information about its payment services.

Google advertising

The website loads Google AdSense code to connect our publisher account for site verification and advertising. Your browser requests that code directly from Google, which receives connection information such as your IP address, browser details and the address of the page you visit. Google and its advertising partners may use cookies or local storage when serving ads; personalised advertising is subject to the applicable consent requirements. See how Google uses information from sites that use its services.

Your account and game data

We do not sell your account or game data. We do not add your account email, connected chess usernames, saved reviews or practice records as advertising targeting fields. Our own analytics log remains separate from Google's advertising services.

Keeping and deleting data

Delete your account and we delete your account record, your saved analyses and your sign-in credentials with it. Contributed games are de-identified when they are stored and cannot be traced back to you afterwards, so they stay. To ask for a copy of your data or to have it deleted, write to support@rvchess.com.

Children

RV Chess is not directed at children under 13 and we do not knowingly collect their data. If you believe a child has given us data, write to the address above and we will remove it.

Changes

If this policy changes materially, the date at the top of this page changes with it.