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.

Everything RV Chess does

Game review, the analysis board and the tools around them.

Updated 14 August 2026

Game review

Full-game Stockfish 18 review: every move scored against the engine's own choice. What a review includes.
Move classification: brilliant, only move, best, excellent, good, inaccuracy, mistake and blunder, on published thresholds. Brilliant has an exact test rather than a vibe.
Accuracy and performance rating per player: calculated here, and usable as a standalone accuracy checker.
Evaluation bar and clickable graph: jump to the swing instead of hunting for it. Arrow keys step the game; the graph is keyboard-reachable too.
Best lines you can walk into: click any move in the engine's continuation to see the position it leads to, then drop back into the game.
Play from any position: make your own move on the board mid-review and the engine evaluates it live.

Analysis board

Sandbox: set up any position by dragging pieces already on the board or in from the tray, or by pasting a FEN, then play both sides with Stockfish evaluating as you go.
Best-move arrows: the top one, two or three engine choices drawn on the board, or none if you would rather think first.
The same move controls as game review: jump to the start or end, step with the buttons or arrow keys, and flip the board from the shared control row.

Getting games in

The rv shortcut: type rv in front of chess.com in any game address and the review opens directly. How it works.
Link import: Chess.com live, daily, computer and master-archive links, and every Lichess address form.
PGN paste: a game from any site.
Username search: look up a Chess.com username and pick from recent games, which is the easy route when the game was played on your phone.

Around the review

Guess the Elo: a five-round game built from real rated games, including eligible games from your own local review history, with a score based on how close each estimate is.
Saved reviews: finished reviews stay in your browser, so reopening one is instant and does not re-run the engine. Clearing them is one button.
Shareable position cards: turn a moment from a game into an image with the board, the move and its label on it.
Player cards: names, ratings and result read from the game itself.
Engine depth and build: trade speed against strength, on a machine as slow or fast as the one you happen to be using.
Move sounds and a phone-friendly board: including swipe to step.

Privacy and accounts

There are no accounts and no paywall, because Stockfish 18 runs inside your browser tab as WebAssembly rather than on a server. Reviews remain on your machine by default. You can separately opt in to contribute a de-identified game for product research, see exactly what is removed, and delete your contributions. Local analysis does not depend on that option, which is also why there is no daily limit to hit.

Try it on a game