ChessTempo review: scores and evidence

A1 :1Importing your games (Chess.com, Lichess, PGN files)free

https://chesstempo.com/mobile: analysis of games played ON Chesstempo; repertoires imported by PGN; no Lichess or Chess.com connection mentioned

A2 :2Automatic engine analysis of every gamefree

https://chesstempo.com/mobile: “full post game analysis after every rated game”, Stockfish cluster; depth not published

A3 :1Recurring mistakes identified across all your gamespaid

https://chesstempo.com/mobile: “full post game analysis after every rated game” (score, blunders) and “sets that target your previous mistakes”: no error is named and counted across the whole set of games

A4 :1Types of mistakes covered (tactics, strategy, endgame, time…)paid

https://chesstempo.com/mobile: the “weaknesses” being targeted are tactical motifs (pin, fork, discovered attack): a single axis

A5 :1Written explanation of each mistakepaid

https://chesstempo.com/manual/en/manual.html §14.3 “Annotate Game using Chess Engine”: engine lines and move labels, no explanatory prose

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

no mention of how reliable the diagnosis is, either on https://chesstempo.com/mobile or in the manual

A7 :1Tracking each weakness over timefree

https://chesstempo.com/mobile: history graphs for the tactics rating and for the learning state of the repertoire (training indicators); no change over time in any PLAYING indicator (accuracy, patterns).

A8 :1Comparison with players of the same ratingfree

https://chesstempo.com/leaderboards/: leaderboards; no percentile by rating band observed

B1 :3Building a personal repertoirefree

https://chesstempo.com/opening-training/: build your own repertoires, PGN import, “expand your repertoire based on real opponent lines”

B2 :2Training the repertoire (drills, games)free

https://chesstempo.com/mobile: “Train your repertoires using spaced repetition”; no full game against the repertoire

B3 :3Spotting where you left your repertoire in your gamesnot documented

https://chesstempo.com/opening-training/: “analysing your games to show exactly where you deviated and helping you expand your repertoire”

B4 :3Verification of the lines taught (engine, practice)free

https://chesstempo.com/manual/en/manual.html: Stockfish at depth 25 across the repertoire, depth 50 on common positions, database statistics

B5 :3Opening explorer and statisticsquota

https://chesstempo.com/manual/en/manual.html: an explorer drawing on 3 sources (master database, Chesstempo games, your own games) plus evaluations

B6 :1Explanation of opening plans and ideaspaid

https://chesstempo.com/game-database/chess-openings/: names and moves; the ideas come only with the paid e-books

C1 :2Exercises drawn from your own gamespaid

https://chesstempo.com/mobile: “tactics problems extracted from your rated games” (Premium) plus sets built from your own mistakes; no success rate per weakness

C2 :3Bank of tactical exercises (size, themes, rating)free

https://chesstempo.com/: “Solve 350k+ tactics”; manual: Glicko ratings; motif tags; public comments and tagging guidelines

C3 :2Endgame trainingquota

https://chesstempo.com/chess-endgames/: 17k+ endgames from real games, played out against the computer with the level adjusted; your own games are not mentioned

C4 :2Strategic and positional trainingquota

https://chesstempo.com/mobile: “Guess The Move” on master games and a “Positional Motifs” section; no evidence of 3 or more themes ranked with an explained plan

C5 :2Training defense and alertnessfree

https://chesstempo.com/mobile: “both winning and defensive problem types”: one defensive sub-type

C6 :0Training calculation and visualization

no mention of calculation or blindfold work on https://chesstempo.com/ or in the manual

C7 :2Difficulty matched to your real levelfree

https://chesstempo.com/manual/en/manual.html: “glikco rating system”, problem ratings; no target success rate documented

C8 :2Spaced repetition (named algorithm)free

https://chesstempo.com/manual/en/manual.html §7.4.1 “Spaced Repetition Options”, with the “scheduling algorithm” left unnamed; colour-coded due dates (§17) but neither SM-2 nor FSRS cited

C9 :1Personalized training plannot documented

https://chesstempo.com/mobile “Training Targets”: goals the user sets for themselves; no daily queue and no per-player plan

D1 :2What the free plan actually lets you dofree

https://chesstempo.com/mobile: free tactics, 2 endgames a day, an explorer capped at 10 moves, a free opening trainer

D2 :1Annual price of the full planfree

https://chesstempo.com/memberships/ — Diamond €69/yr excluding VAT, i.e. €82.80 including it (€76-150 band). Read by hand on 2026-09-01: the page is rendered in JavaScript.

D3 :1Commercial transparency (price shown, trial, cancellation)free

https://chesstempo.com/tos: “Premium service fees are not refundable”; cancel before the renewal date; no trial

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

https://chesstempo.com/mobile (Premium, “Diamond members”) and https://chesstempo.com/: e-books sold individually (17.99–43.44) and not included in the membership

E1 :0Published evidence of effectiveness

no evidence of effectiveness on https://chesstempo.com/

E2 :1Chess verification of the content (positions, lines)free

https://chesstempo.com/commenting-guidelines: comments and problem reporting; no engine verification announced

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

https://chesstempo.com/manual/en/manual.html: Stockfish at depth 25 and 50, Glicko and spaced repetition all named

E4 :2Marketing claims that can be checked (no overselling)free

https://chesstempo.com/: “Train. Learn. Play.”, factual figures; no promise about rating points

F1 :1Courses organized by rating levelpaid

https://chesstempo.com/chess-books/: paid e-books ($17.99–43.44), with no level label

F2 :3Course authors named and titledfree

https://chesstempo.com/: e-books by GM Yusupov, GM Kotronias, IM Minero and Erwich (titled authors, named)

F3 :2Content formats (text, video, interactive)paid

https://chesstempo.com/chess-books/: interactive e-books (text plus exercises); no video

F4 :0Published method of progression

no progression method on https://chesstempo.com/

F5 :1How often the content is updatedfree

https://chesstempo.com/blog/: latest post 2026-05-05 (more than 3 months old), books published in April 2026

G1 :1Playing humans online (pool, anti-cheating)free

https://chesstempo.com/play-chess-online/: live and correspondence play, open to guests; the size of the player pool is not shown

G2 :1Realistic artificial opponentsfree

https://chesstempo.com/play-chess-online/: “computer opponents” (free account); levels not detailed

G3 :1Replaying one specific position against the machinenot documented

https://chesstempo.com/mobile: an analysis board, “Setup positions from FEN”; replaying against the engine not observed

G4 :0Tournaments and organized competition

no mention of tournaments on https://chesstempo.com/play-chess-online/

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

https://chesstempo.com/mobile: an iOS app (id1441878094), a Google Play app (com.chesstempo.mobile) and the web

H2 :1User ratings and reviews (stores, press)free

play.google.com/store/apps/details?id=com.chesstempo.mobile: 4.2/5 from 2.58k ratings; App Store 4.0/5 from 112 ratings

H3 :2Interface languages availablefree

https://chesstempo.com (language switcher in the footer): the interface is translated into several languages, including French, German and Spanish

H4 :1Accessibility (keyboard, screen reader)free

https://chesstempo.com/: light and dark themes plus a “Keyboard Shortcuts” menu; no screen-reader support announced

H5 :1Offline use and known incidentsfree

https://chesstempo.com/play-chess-online/: depends on the server (“After server restart… games aborted”); no incident reported

I1 :2Preparing for a named opponentnot documented

https://chesstempo.com/manual/en/manual.html §5.6: a database player page offering “opening stats for specific players”, “White/Black Rep.” and results “against a particular opponent”; no weakness and no suggested line

I2 :2Annotating and sharing games (studies)free

https://chesstempo.com/manual/en/manual.html §17.22-23 and https://chesstempo.com/mobile: “comments and graphical annotations”, variations, “comments others have chosen to make public”, PGN export; no multi-author study

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

https://chesstempo.com/mobile: “Setup positions from FEN or by arranging the pieces on the board with the board editor”

I4 :3Searching your games (filters, position)not documented

https://chesstempo.com/manual/en/manual.html §5.2.2 “Position Mode”: the search returns the games containing the current position; §5.2.6 sources the “full set of games of either player”; search by material

J1 :0Access to human coaches

no coach on https://chesstempo.com/

J2 :1Size and activity of the communityfree

https://chesstempo.com/forum/: a forum exists; daily activity could not be observed (JavaScript page)

J3 :1Tools for trainers, clubs and schoolspaid

https://chesstempo.com/memberships/: “group discounts”; no coach workspace

J4 :2Engagement mechanics (streaks, virtual currency, reminders)free

https://chesstempo.com/: achievement streaks and leaderboards; no virtual currency

K1 :2Exporting your data (games, repertoire)free

https://chesstempo.com/mobile: “Export repertoire and your comments and annotations to PGN”

K2 :1Protection of personal data (GDPR, hosting)free

https://chesstempo.com/privacy: Google Adsense, transfers outside Europe, EU rights exercised by email request

K3 :1Public API and source codefree

https://chesstempo.com/mobile: PGN import and export; https://chesstempo.com/widgets/; no documented API