Chess.com review: scores and evidence

A1 :2Importing your games (Chess.com, Lichess, PGN files)

https://support.chess.com/en/articles/8724749-what-is-practice-on-chess-com — games played on the platform plus pasted FEN/PGN; no Lichess import

A2 :2Automatic engine analysis of every game

https://www.chess.com/terms/game-review — automatic Game Review, 1 a day on the free plan, unlimited from Platinum up; depth not stated (support 8708936)

A3 :2Recurring mistakes identified across all your games

https://support.chess.com/en/articles/8708925-what-is-insights-on-chess-com: common mistakes, tactics found and missed are counted; no ranking by how much they cost

A4 :2Types of mistakes covered (tactics, strategy, endgame, time…)

https://support.chess.com/en/articles/16243840-what-are-skills-on-chess-com: Fundamentals/Openings/Tactics/Strategy/Endgame; the list of patterns is not published

A5 :2Written explanation of each mistake

https://support.chess.com/en/articles/8562418-what-does-each-level-of-premium-membership-get-me: "coach explanations on all your moves"; the moves cited are not demonstrated

A6 :0Stated verification of the diagnoses (procedure, rates)

https://support.chess.com/en/articles/8584089-how-does-game-review-work — nothing on reliability or error rate

A7 :2Tracking each weakness over time

https://support.chess.com/en/articles/8708925-what-is-insights-on-chess-com — "Past Performance": accuracy and stats over time, not per weakness

A8 :3Comparison with players of the same rating

https://support.chess.com/en/articles/8708925-what-is-insights-on-chess-com — the "Similar Players" tab compares each stat with players of the same rating

B1 :1Building a personal repertoire

https://support.chess.com/en/articles/8724749-what-is-practice-on-chess-com — set opening lines played against a bot; no repertoire editor

B2 :2Training the repertoire (drills, games)

https://support.chess.com/en/articles/8724749-what-is-practice-on-chess-com — "Openings: bot that plays the required moves" = interactive drill

B3 :1Spotting where you left your repertoire in your games

https://support.chess.com/en/articles/8705347-how-can-i-see-my-opening-stats — win/loss stats by opening, no deviation flagged

B4 :2Verification of the lines taught (engine, practice)

https://support.chess.com/en/articles/8615183-what-is-the-game-explorer — Explorer built on a game database; no engine protocol published

B5 :2Opening explorer and statistics

https://www.chess.com/openings — Explore Openings plus Games Database plus percentage stats; multiple databases with evaluations not observed

B6 :2Explanation of opening plans and ideas

https://www.chess.com/openings — opening pages with written plans and lessons; traps and model games not observed

C1 :1Exercises drawn from your own games

https://support.chess.com/en/articles/8584089-how-does-game-review-work — "Retry" on a move you missed; no personal bank of positions

C2 :2Bank of tactical exercises (size, themes, rating)

https://www.chess.com/puzzles — heading "500k+ Problems"; themes plus a Glicko rating (support 12488563); no public quality control mentioned

C3 :3Endgame training

https://support.chess.com/en/articles/8708978-how-do-i-practice-endgames — Endgames module against the engine plus a 7-piece tablebase (8708949) and Practice from your own games

C4 :2Strategic and positional training

https://www.chess.com/lessons: Strategy courses with "Test yourself against the best games"

C5 :0Training defense and alertness

https://support.chess.com/en/articles/8708983-how-are-the-next-puzzles-chosen-for-me-when-i-am-training: themes can be selected, no defensive theme named

C6 :1Training calculation and visualization

https://support.chess.com/en/articles/8615408-what-is-vision — Vision Trainer: coordinates and diagram reading only

C7 :2Difficulty matched to your real level

https://support.chess.com/en/articles/12488563-why-did-my-puzzle-rating-change — "Glicko-style rating logic" on puzzles; no target success rate

C8 :0Spaced repetition (named algorithm)

https://support.chess.com/en/articles/8708983-how-are-the-next-puzzles-chosen-for-me-when-i-am-training: no spaced repetition

C9 :1Personalized training plan

https://support.chess.com/en/articles/8709046-what-is-a-study-plan-on-chess-com: a plan "tailored to your skill level", but no daily queue

D1 :2What the free plan actually lets you do

https://support.chess.com/en/articles/8562418-what-does-each-level-of-premium-membership-get-me — unlimited play on the free plan; 3 puzzles and 1 Game Review a day

D2 :1Annual price of the full plan

https://www.chess.com/membership — Diamond €10.42/mo billed annually, i.e. €125.04/yr (€76-150 band). Read by hand on 2026-09-01: the page loads its prices in JavaScript.

D3 :2Commercial transparency (price shown, trial, cancellation)

https://www.chess.com/legal/subscriber — trial requires a card (8609591), 30-day guarantee, cancellation online (9831222), automatic renewal

D4 :1Number of paid tiers (how simple the offer is)

https://support.chess.com/en/articles/8562418-what-does-each-level-of-premium-membership-get-me: Gold, Platinum and Diamond = three paid tiers

E1 :1Published evidence of effectiveness

https://www.chess.com/membership — "Increase Your Rating 2.7X Faster" with no method and no sample

E2 :0Chess verification of the content (positions, lines)

https://support.chess.com/en/articles/8584089-how-does-game-review-work — nothing on how the content is checked

E3 :2Transparency of the method (algorithms, code)

https://support.chess.com/en/articles/8648809-what-computer-am-i-playing-against — Stockfish 15 (analysis), Komodo (bots) and Glicko are named; depth not stated

E4 :0Marketing claims that can be checked (no overselling)

https://www.chess.com/membership — the numerical claim "2.7X Faster" is not sourced

F1 :2Courses organized by rating level

https://www.chess.com/lessons — courses labelled "Beginner" through "Mastery"; no path by rating band

F2 :3Course authors named and titled

https://www.chess.com/lessons — GM Gustafsson, Williams, Svidler, Carlsen and Polgar are named

F3 :3Content formats (text, video, interactive)

https://www.chess.com/lessons — video plus text plus interactive challenges tied to the lessons

F4 :2Published method of progression

https://support.chess.com/en/articles/8709046-what-is-a-study-plan-on-chess-com — Study Plans organised by level, not driven by a diagnosis

F5 :3How often the content is updated

https://apps.apple.com/de/app/chess-play-and-learn/id329218549 — v4.10.26 "3 days ago"; daily news at chess.com/news

G1 :3Playing humans online (pool, anti-cheating)

https://www.chess.com/about — "more than ten million chess games every day"; fair play documented at chess.com/fair-play (314k account closures in Q1 2025)

G2 :2Realistic artificial opponents

https://support.chess.com/en/articles/8648809-what-computer-am-i-playing-against — Komodo bots, "100+ computer personalities" (8562418)

G3 :2Replaying one specific position against the machine

https://support.chess.com/en/articles/8724749-what-is-practice-on-chess-com — Custom Position, "uploading from your games", played against the engine

G4 :3Tournaments and organized competition

https://www.chess.com/leagues — weekly leagues across 8 tiers; daily tournaments at chess.com/tournaments; titled events at chess.com/events

H1 :3Platforms available (web, iOS, Android, desktop)

https://apps.apple.com/ca/app/chess-play-and-learn/id329218549 — web plus iOS plus Android (play.google.com id=com.chess)

H2 :3User ratings and reviews (stores, press)

https://apps.apple.com/ca/app/chess-play-and-learn/id329218549 — 4.8/5, "108K Ratings"; German store 4.7/5, 89,470 reviews

H3 :3Interface languages available

https://www.chess.com/settings (language selector) and App Store listing id329218549: several dozen interface languages; lessons and videos localised in the main languages, move notation configurable

H4 :1Accessibility (keyboard, screen reader)

https://www.chess.com/blog/CHESScom/screen-reader-now-compatible-with-core-chess-com-pages — screen reader support on the board and play pages; keyboard support not announced

H5 :1Offline use and known incidents

https://www.chess.com/status — redirects to status.chess.com (DNS did not resolve when tested); last published incident June 2024

I1 :1Preparing for a named opponent

https://www.chess.com/games/archive/hikaru: public archive and profile for a named player; the explorer cannot be filtered by opponent (support 8615183)

I2 :2Annotating and sharing games (studies)

https://support.chess.com/en/articles/8618597-how-do-i-save-an-analysis: saved variations, "Copy Shareable Link"; no multi-author study

I3 :1Entering a game played at a club (photo, scoresheet)

https://support.chess.com/en/?q=scan: no article on scanning; moves are entered by hand on the analysis board

I4 :2Searching your games (filters, position)

https://support.chess.com/en/articles/8598090-how-do-i-view-my-own-games: filters for date, time control, opponent and type; no search by position

J1 :3Access to human coaches

https://support.chess.com/en/articles/8648287-how-do-i-find-or-become-a-chess-coach — rating verified by Chess.com; private lessons (8708910)

J2 :3Size and activity of the community

https://www.chess.com/clubs — clubs with more than 1M members; Wikipedia reports 268M members (July 2026)

J3 :2Tools for trainers, clubs and schools

https://support.chess.com/en/articles/8708915-how-do-i-use-classroom-on-chess-com — Classroom: participants, uploaded games, analysis; no per-student diagnosis

J4 :1Engagement mechanics (streaks, virtual currency, reminders)

https://www.chess.com/membership — "Increase Your Rating 2.7X Faster With Premium", ads on free accounts, weekly leagues

K1 :3Exporting your data (games, repertoire)

https://support.chess.com/en/articles/8705305-how-do-i-get-my-pgn-of-my-game — bulk PGN plus self-service at chess.com/my-data (8598425)

K2 :0Protection of personal data (GDPR, hosting)

https://www.chess.com/legal/privacy — "we may sell… personal information", DoubleClick, hosting in the United States (25 March 2026)

K3 :2Public API and source code

https://www.chess.com/news/view/published-data-api — documented public REST API, no key required, monthly PGN archives