Chessy review: scores and evidence

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

https://chessyapp.com/faq — "Enter your Chess.com or Lichess username"; no PGN import

A2 :2Automatic engine analysis of every game

https://chessyapp.com/faq — "imports and analyzes your recent games automatically"; engine/depth not published

A3 :2Recurring mistakes identified across all your games

https://chessyapp.com/ — named patterns "the openings you lose in… the pieces you keep hanging"; no count or ranking by cost displayed

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

https://chessyapp.com/ — Rating DNA: tactics, openings, endgames, conversion; list of patterns not published

A5 :2Written explanation of each mistake

https://chessyapp.com/ — "Ask anything: why you lost, what to practice"; no public example citing concrete moves

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

https://chessyapp.com/faq — no mention of reliability

A7 :2Tracking each weakness over time

https://chessyapp.com/ — "breakdown of your week’s games, delivered every Sunday"

A8 :0Comparison with players of the same rating

https://chessyapp.com/ — "No percentile or comparative ranking"

B1 :1Building a personal repertoire

https://chessyapp.com/ — "80+ openings with guided walkthroughs", fixed

B2 :1Training the repertoire (drills, games)

https://chessyapp.com/ — "move-by-move walkthroughs"; drill not demonstrated

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

https://chessyapp.com/ — "the openings you lose in": per-opening statistics

B4 :0Verification of the lines taught (engine, practice)

https://chessyapp.com/ — no mention of line verification

B5 :1Opening explorer and statistics

https://chessyapp.com/ — statistics on your own games only

B6 :2Explanation of opening plans and ideas

https://chessyapp.com/ — walkthroughs + "traps opponents will try to spring"

C1 :2Exercises drawn from your own games

https://chessyapp.com/faq — "generates puzzles from the positions where you actually hung pieces"

C2 :1Bank of tactical exercises (size, themes, rating)

https://chessyapp.com/ — no bank with counts

C3 :0Endgame training

https://chessyapp.com/ — endgames not handled separately

C4 :0Strategic and positional training

https://chessyapp.com/ — no positional exercises

C5 :2Training defense and alertness

https://chessyapp.com/faq — "positions where you actually hung pieces": one sub-type; no difficulty rating

C6 :0Training calculation and visualization

https://chessyapp.com/ — no calculation/visualisation

C7 :1Difficulty matched to your real level

https://chessyapp.com/faq — "It adapts to your level" with no documented rating

C8 :0Spaced repetition (named algorithm)

https://chessyapp.com/faq — no spaced repetition mentioned

C9 :2Personalized training plan

https://chessyapp.com/ — "personalized training plan… weekly AI coaching report"; no time budget or explicit priorities

D1 :0What the free plan actually lets you do

https://chessyapp.com/faq — "3-day free trial of Chessy Pro" then paid; no lasting free offer

D2 :2Annual price of the full plan

https://chessyapp.com/faq — $49.99/year ≈ EUR 46

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

https://chessyapp.com/faq — price displayed, 3-day trial, "Cancel anytime during the trial"

D4 :3Number of paid tiers (how simple the offer is)

https://chessyapp.com/faq — a single subscription, three billing options: $7.99/month, $49.99/year, $79.99 lifetime

E1 :0Published evidence of effectiveness

https://chessyapp.com/about — "No independent validation data"

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

https://chessyapp.com/ — no verification information

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

https://chessyapp.com/privacy — LLM named (Claude), engine not named

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

https://chessyapp.com/about — no ELO promise; talk of the "feedback loop"

F1 :0Courses organized by rating level

https://chessyapp.com/ — no courses beyond openings

F2 :0Course authors named and titled

https://chessyapp.com/about — author not identified, no title

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

https://chessyapp.com/ — interactive in-app content only

F4 :0Published method of progression

https://chessyapp.com/ — no curriculum

F5 :2How often the content is updated

https://apps.apple.com/us/app/ai-chess-coach-chessy/id6761496636 — v1.5.4 of 5 August 2026

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

https://chessyapp.com/ — no play

G2 :0Realistic artificial opponents

https://chessyapp.com/ — no bot

G3 :0Replaying one specific position against the machine

https://chessyapp.com/ — not possible

G4 :0Tournaments and organized competition

https://chessyapp.com/ — no tournaments

H1 :1Platforms available (web, iOS, Android, desktop)

https://chessyapp.com/faq — iOS/Mac/Vision/Android, no web version

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

https://apps.apple.com/us/app/ai-chess-coach-chessy/id6761496636 — 4.42/5 on 12 reviews (< 100)

H3 :0Interface languages available

a single language observed — https://apps.apple.com/us/app/ai-chess-coach-chessy/id6761496636 — "English only"

H4 :0Accessibility (keyboard, screen reader)

https://chessyapp.com/ — no mention

H5 :1Offline use and known incidents

https://chessyapp.com/privacy — Supabase/Vercel; no incident reported

I1 :0Preparing for a named opponent

https://chessyapp.com/ + /faq — no mention of opponent preparation

I2 :0Annotating and sharing games (studies)

https://chessyapp.com/faq — no annotation, variation or sharing

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

https://chessyapp.com/faq — import only by Chess.com/Lichess username; no manual entry, photo or OCR

I4 :0Searching your games (filters, position)

https://chessyapp.com/ — "reads your public game history"; no game list or filter described

J1 :0Access to human coaches

https://chessyapp.com/ — no coach

J2 :0Size and activity of the community

https://chessyapp.com/ — no community

J3 :0Tools for trainers, clubs and schools

https://chessyapp.com/ — no coach tools

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

https://chessyapp.com/ — no currency or leaderboard observed

K1 :0Exporting your data (games, repertoire)

https://chessyapp.com/privacy — access on request; "No data export format is specified"

K2 :2Protection of personal data (GDPR, hosting)

https://chessyapp.com/privacy — GDPR cited, Supabase/Vercel, "We do not sell your data… not for advertising"; entity not named

K3 :0Public API and source code

https://chessyapp.com/ — closed