Udemy (offre échecs) review: scores and evidence

A1 :0Importing your games (Chess.com, Lichess, PGN files)

https://www.udemy.com/topic/chess/: video course platform; no game import

A2 :0Automatic engine analysis of every game

https://www.udemy.com/topic/chess/: no engine analysis

A3 :0Recurring mistakes identified across all your games

https://www.udemy.com/topic/chess/: nothing aggregated

A4 :0Types of mistakes covered (tactics, strategy, endgame, time…)

https://www.udemy.com/topic/chess/: no typology

A5 :0Written explanation of each mistake

https://www.udemy.com/topic/chess/: no explanation of mistakes

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

https://www.udemy.com/topic/chess/: no reliability stated

A7 :0Tracking each weakness over time

https://www.udemy.com/topic/chess/: no game history

A8 :0Comparison with players of the same rating

https://www.udemy.com/topic/chess/: no comparison

B1 :1Building a personal repertoire

https://www.udemy.com/topic/chess/: fixed opening courses, no modification

B2 :1Training the repertoire (drills, games)

https://www.udemy.com/topic/chess/: passive review (video)

B3 :0Spotting where you left your repertoire in your games

https://www.udemy.com/topic/chess/: no deviation detection

B4 :1Verification of the lines taught (engine, practice)

https://www.udemy.com/topic/chess/: lines by authors who are sometimes titled (GM Grigoryan), with no engine check announced

B5 :0Opening explorer and statistics

https://www.udemy.com/topic/chess/: no explorer

B6 :2Explanation of opening plans and ideas

https://www.udemy.com/course/the-complete-guide-to-chess-tactics/: plans and motifs explained (284 lectures); no diagram + model-game support verified outside the videos

C1 :0Exercises drawn from your own games

https://www.udemy.com/topic/chess/: no exercises from your own games

C2 :0Bank of tactical exercises (size, themes, rating)

https://www.udemy.com/topic/chess/: no interactive tactics bank (video quizzes only)

C3 :1Endgame training

https://www.udemy.com/topic/chess/: endgame courses on video; no interactive module

C4 :1Strategic and positional training

https://www.udemy.com/topic/chess/: strategy courses on video, with no on-board exercises

C5 :0Training defense and alertness

https://www.udemy.com/topic/chess/: no defensive exercises

C6 :0Training calculation and visualization

https://www.udemy.com/topic/chess/: no interactive calculation exercise observed

C7 :0Difficulty matched to your real level

https://www.udemy.com/topic/chess/: level chosen by hand ("beginner to 1600" course)

C8 :0Spaced repetition (named algorithm)

https://www.udemy.com/topic/chess/: no spaced repetition

C9 :1Personalized training plan

https://www.udemy.com/topic/chess/: courses labelled by level; no plan

D1 :1What the free plan actually lets you do

https://www.udemy.com/topic/chess/: a few free courses; most are paid per course

D2 :1Annual price of the full plan

https://www.udemy.com/course/the-complete-guide-to-chess-tactics/: $109.99 ≈ €101 for a single complete course (€76-150)

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

https://www.udemy.com/course/the-complete-guide-to-chess-tactics/: price shown, "30-Day Money-Back Guarantee", lifetime access; no subscription to cancel

D4 :0Number of paid tiers (how simple the offer is)

https://www.udemy.com/topic/chess/: courses sold individually ($79.99-109.99) AND a "Personal Plan" (curated selection): neither unlocks everything

E1 :1Published evidence of effectiveness

https://www.udemy.com/topic/chess/: ratings and student counts; no effectiveness data

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

https://www.udemy.com/topic/chess/: no information on content verification

E3 :1Transparency of the method (algorithms, code)

https://www.udemy.com/course/the-complete-guide-to-chess-tactics/: syllabus described; method not parameterised

E4 :1Marketing claims that can be checked (no overselling)

https://www.udemy.com/topic/chess/: catchy titles ("Tactic Ninja"); no numerical ELO promise observed

F1 :2Courses organized by rating level

https://www.udemy.com/topic/chess/: courses labelled ("Beginner to 1600 ELO"); no path up to 2000 observed

F2 :3Course authors named and titled

https://www.udemy.com/topic/chess/: GM Avetik Grigoryan, GM Igor Smirnov, CM Tryfon Gavriel; "many instructors hold GM, IM or FM"

F3 :1Content formats (text, video, interactive)

https://www.udemy.com/topic/chess/: one format (video); quizzes without an interactive board

F4 :1Published method of progression

https://www.udemy.com/topic/chess/: advice per course; no platform-wide curriculum

F5 :2How often the content is updated

https://www.udemy.com/course/the-complete-guide-to-chess-tactics/: "Last Updated: October 2025" (< 12 months); no documented monthly publishing for the topic

G1 :0Playing humans online (pool, anti-cheating)

https://www.udemy.com/topic/chess/: impossible

G2 :0Realistic artificial opponents

https://www.udemy.com/topic/chess/: none

G3 :0Replaying one specific position against the machine

https://www.udemy.com/topic/chess/: impossible

G4 :0Tournaments and organized competition

https://www.udemy.com/topic/chess/: none

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

https://www.udemy.com/topic/chess/: web + Udemy iOS/Android apps

H2 :2User ratings and reviews (stores, press)

https://www.udemy.com/course/the-complete-guide-to-chess-tactics/: 4.7/5 from 1 696 reviews (top-rated course); https://www.udemy.com/topic/chess/: 4.4-4.7 on the popular courses

H3 :2Interface languages available

13 interface languages observed — https://www.udemy.com/topic/chess/: "13+ languages"; https://www.udemy.com/course/the-complete-guide-to-chess-tactics/: auto-generated Italian subtitles; no French courses observed

H4 :1Accessibility (keyboard, screen reader)

https://www.udemy.com/topic/chess/: "accessibility statements" listed among the legal pages; settings not detailed

H5 :2Offline use and known incidents

https://www.udemy.com/personal-plan/: offline download in the mobile app

I1 :0Preparing for a named opponent

https://www.udemy.com/topic/chess/: video course catalogue; no opponent preparation

I2 :0Annotating and sharing games (studies)

https://www.udemy.com/topic/chess/: no game annotation

I3 :0Entering a game played at a club (photo, scoresheet)

https://www.udemy.com/topic/chess/: no game entry

I4 :0Searching your games (filters, position)

https://www.udemy.com/topic/chess/: no player games

J1 :0Access to human coaches

https://www.udemy.com/topic/chess/: no coach; course Q&A only

J2 :1Size and activity of the community

https://www.udemy.com/course/the-complete-guide-to-chess-tactics/: Q&A per course, no visible active forum

J3 :0Tools for trainers, clubs and schools

https://www.udemy.com/topic/chess/: no coach area (Udemy Business is outside the chess scope)

J4 :3Engagement mechanics (streaks, virtual currency, reminders)

https://www.udemy.com/topic/chess/: no streaks or leaderboards

K1 :0Exporting your data (games, repertoire)

https://www.udemy.com/topic/chess/: no export (DRM-protected videos)

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

https://www.udemy.com/topic/chess/: Udemy policy present; hosting not specified on the pages consulted; third-party trackers

K3 :0Public API and source code

https://www.udemy.com/topic/chess/: closed