Chess Opening Blunders vs Chess Coach Lite
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Chess Opening Blunders
Learn chess by studying common opening mistakes and traps. This app offers interactive lessons with over 1,250 exercises across more than 40 openings, acting as a personal coach to guide you through challenges.
- Learn opening mistakes and traps
- Over 1,250 instructive exercises
- Covers more than 40 chess openings
- Interactive lessons with hints and explanations
- Play positions against the computer
- Monitors player rating (ELO)
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Encyclopedia of Opening Blunders – learn to play chess by learning the opening mistakes and traps that have been discovered over time. The program is designed for studying the blunders in more than 40 openings and contains over 1,250 instructive exercises of varying difficulty from practical games. This course is in the series Chess King Learn (https://learn.chessking.com/), which is an unprecedented chess teaching method. In the series are included courses in tactics, strategy, openings, middle game, and endgame, split by levels from beginners to experienced players, and even professional players. With the help of this course, you can improve your chess knowledge, learn new tactical tricks and combinations, and consolidate the acquired knowledge into practice. The program acts as a coach who gives tasks to solve and helps to solve them if you get stuck. It will give you hints, explanations and show you even striking refutation of the mistakes you might make. Advantages of the program: • High quality examples, all double-checked for correctness • You need to enter all key moves, required by the teacher • Different levels of complexity of the tasks • Various goals, which need to be reached in the problems • The program gives hint if an error is made • For typical mistaken moves, the refutation is shown • You can play out any position of the tasks against the computer • Interactive theoretical lessons • Structured table of contents • The program monitors the change in the rating (ELO) of the player during the learning process • Test mode with flexible settings • Possibility to bookmark favorite exercises • The application is adapted to the bigger screen of a tablet • The application does not require an internet connection The course includes a free part, in which you can test the program. Lessons offered in the free version is fully functional. They allow you to test the application in real world conditions before releasing the following topics: 1. Rare variations 1.1. 1.g3, 1.b4, .. 1.2. 1.b3 1.3. 1.d4 1.4. 1.d4 Nf6 1.5. 1.d4 Nf6 2.Nf3 2. Alekhine's defense 3. Benoni defense 4. Bird's opening 5. Bishop's opening 6. Blumenfeld counter-gambit 7. Bogo-indian defense 8. Budapest gambit 9. Caro-Kann 10. Catalan system 11. Center gambit 12. Dutch defense 12.1. Dutch defense 12.2. Iljin Genevsky system 12.3. Leningrad system 12.4. Staunton gambit 12.5. Stonewall variation 13. English opening 14. Evans gambit 15. Four knights' game 16. French defense 16.1. French defense 16.2. Classical variation 16.3. Tarrasch variation 16.4. Winawer variation 17. Grünfeld defense 18. Italian game & Hungarian defense 19. King's gambit 20. King's indian defense 20.1. King's indian defense 20.2. Classical variation 20.3. Fianchetto variation 20.4. Four pawns' attack 20.5. Saemisch variation 21. Latvian gambit 22. Nimzo-indian defense 22.1. Nimzo-indian defense 22.2. Leningrad variation 22.3. Rubinstein variation 22.4. Saemisch variation 23. Nimzowitsch defense 24. Old indian defense 25. Philidor's defense 26. Pirc-Robatsch defense 27. Queen's gambit 27.1. Queen's gambit 27.2. Queen's gambit accepted 27.3. Albin counter-gambit 27.4. Cambridge-Springs variation 27.5. Exchange variation 27.6. Orthodox defense 27.7. Lasker defense 27.8. Tartakower defense 27.9. Ragozin system 27.10. Semi-Slav defense 27.11. Semi-Tarrasch defense 27.12. Slav defense 27.13. Tarrasch defense 27.14. variation with 5.Bf4 28. Queen's indian defense 29. Queen's pawn game 30. Reti opening 31. Petroff's defense 32. Ruy Lopez 32.1. Ruy Lopez 32.2. Berlin defense 32.3. Bird's defense 32.4. Breyer variation 32.5. Chigorin defense 32.6. Classical defense 32.7. Exchange variation 32.8. Marshall attack 32.9. Steinitz defense deferred 32.10. Steinitz defense 33. Scandinavian defense 34. Scotch gambit & Ponziani's opening 35. Scotch game 36. Sicilian defense 37. Three knights' game 38. Two knights' defense 39. Vienna game 40. Volga-Benko gambit
Chess Coach Lite
Enhance your chess abilities with a curated selection of puzzles focused on attacking strategies and tactical plays. Explore opening theories and begin your self-study journey today.
- Thematic chess puzzles
- Attacking strategy practice
- Tactical strike training
- Opening theory exploration
- 14 advanced study sections
- Customizable color themes
- In-puzzle hints
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Improve your chess skills with a thematic collection of chess puzzles. Check your skills in solving puzzles on the theme of attacking strategy against the king and tactical strike. Get acquainted with the positions of pieces in the theory of openings. Start self-study right now! PLAY FOR VICTORY - Checkmate your opponent, choosing from the thousands of possible variants one right move - Find an unexpected sacrifice and get an advantage over another player - Take advantage of the experience of millions of real players in the openings of King's Gambit or the Queen's Gambit Accepted - Get the maximum number of points on the chess board simulator in 30 seconds FEATURES - 14 special sections provide the advanced study - 5 color themes for individual customization - Hints in each puzzle help you - Classic 2D design, loved by several generations of players Download the app "Chess Coach Lite" and solve puzzles regularly. Please rate the app 5 stars and write your comment. Your feedback will help make the app better. We wish you a pleasant game, Team KemigoGames.
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Verdict
The clearest difference is rating: Chess Opening Blunders at 4.7 against Chess Coach Lite's 4.2. Chess Opening Blunders also leads on ratings volume (246 vs 6) and update cadence (every 2 months vs every 4 months). Chess Coach Lite's advantage is in-app purchases (none vs 1). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Chess Opening Blunders sells 1 one-off in-app purchase. Chess Coach Lite asks for nothing beyond the download.
Chess Opening Blunders holds the better App Store score, 4.7 against 4.2. That said, the two scores are not equally well evidenced: Chess Opening Blunders has 246 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 84% of Chess Opening Blunders's written reviews are positive against 71% of Chess Coach Lite's.
Chess Opening Blunders ships an update every 2 months, Chess Coach Lite every 4 months. The most recent releases landed on September 28, 2026 and September 17, 2026 respectively.
| Parameter | Chess Opening Blunders | Chess Coach Lite |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (246 ratings) — better | 4.2 (6 ratings) |
| Positive reviews | 84.1% of reviews — better | 71.4% of reviews |
| Number of ratings | 246 — better | 6 |
| Update frequency | Every 2 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 43 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Chess King | Igor Zelka |
Customer experience
Chess Opening Blunders
Chess Coach Lite
In-app purchases
Chess Opening Blunders
- Full course$12.99
Chess Coach Lite
No in-app purchases
Questions
Is Chess Opening Blunders free?
Is Chess Coach Lite free?
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