All three analyse your game with a chess engine. The difference is what comes next: how many analyses are free, how the mistake is shown, and what you train afterwards. The Chess.com and Lichess facts come from their official pages, with the link on each row.
Third-party facts checked on 2026-10-04. Plans and limits change: check the link before deciding.
| What | MyCapybaraChess | Chess.com (Game Review) | Lichess |
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| Free analysis | 2 full analyses a day with an account, 1 without one. The subscription raises it to 100 a day. | 1 full Game Review a day on the free account. Unlimited on the Platinum and Diamond plans. (source) | Everything is free for everyone: up to 40 deep server analyses a day (unlimited for Patrons) and unlimited analysis in your own browser. (source) |
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| How the mistake is shown | Each move is classified by the winning chance it lost, and the mistake comes with a name (fork, hanging piece, pin…) and the why in plain text, at the reader’s level. | Classifies every move into nine types, from Brilliant to Blunder, and gives an accuracy score from 0 to 100. Coach explanations on every move are on the Diamond plan. (source) | Stockfish 19 evaluation of every move, on the server or in your own browser. (source) |
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| After the analysis | A training set built from the positions where you went wrong. | Self Analysis: you explore the game on the analysis board. (source) | “Learn from your mistakes”: replays the positions where you went wrong, with no limit. (source) |
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| What else comes with it | A from-scratch course, puzzles with explanations and games against the capybara, in Portuguese, English and Spanish. | Unlimited games against the Coach from the Gold plan up. (source) | Opening explorer with 6 billion games, 7-piece tablebase, 140+ languages, zero ads and no tracking; open source, funded by donations. (source) (source) |
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It replaces neither of them: it pulls the game you played on Chess.com or Lichess (or a pasted PGN) and gives back a lesson — the name of the mistake, how much it cost and what to train — in plain language.