Learn how to trap and how to avoid typical problems in more than 40 openings!
About Chess Opening Blunders
Chess Opening Blunders is a board app developed by Chess King.
How many times has Chess Opening Blunders been downloaded?
Chess Opening Blunders has been downloaded 840 thousand times. In the last 30 days, the app was downloaded 640 times.
What is the rating of Chess Opening Blunders?
Chess Opening Blunders is rated 4.42 out of 5 stars, based on 7.7 thousand ratings.
Is Chess Opening Blunders free?
Chess Opening Blunders is free to download. The APK download size is 19.05 MB. The latest version available is 5.8.0. The last update was on July 10, 2026.
What are the requirements for Chess Opening Blunders?
The app has a content rating of Everyone. The app has been available on Google Play December 2015.
Description
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, middlegame, 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 ♔ 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 ♔ You can link the app to a free Chess King account and solve one course from several devices on Android, iOS and Web at the same time
The course includes a free part, in which you can test the program. Lessons offered in the free version are 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 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
Recent changes: * Added Czech and Korean translations * Show solved puzzles count on the home screen * Show best and worst subtopics on the statistics screen * Increased board size in the landscape mode * Feel free to share your experience via the feedback! * Various fixes and improvements
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Very good exercises. Fascinating in order to improve the tactical game.
★★★★★Sunil Manohar· Feb 7, 2025
Lovely chess app to reduce opening blunders. It takes the games upto 10–14 moves.
★★★★★Rafael M. Rubio· May 11, 2024
This app is pretty good. As a returning player who used to play many tournaments a year, this app is great for me to get back in mental shape. It is better than lichens puzzles as there are multiple lines in some positions annotated by real players.
★★★★★Claus Gamborg· Sep 5, 2025
Good complex openings tatics. I, too, like the whole game can be replayed and with analysis program. However, I think the rating given by solving the chess tatics is too high.
★☆☆☆☆Ionenet SA· Feb 3, 2023
Not about openings but middle game. Interesting but not useful at all to learn about openings blunders and how to exploit or avoid them. Another app with a misleading name.
★★☆☆☆MEDLINE LIBERGAL· Oct 2, 2021
A-The + points : - We are going from one equation to the other -We can get helped B- The - points : - You get" advices" to move a piece by having it ignited. It is very unclear and we struggle more. - When necessary it is said" wrong move" but you have no idea why. - After several attempts the game" shows" you the moves one after the other until the solution. BUT in a such speed that you do not see anything, so you do not learn anything, and you end up very frustrated. Fix that please !!
★★☆☆☆Steampunker X· Apr 25, 2024
This is way too deep opening theory to be called "opening blunders". The puzzles start well into middle game. Like the first puzzle of Alekhine's defense is at move 15. Thousands of variations lead to different levels of advantages this deep. But be sure to learn that one because you might run into it one time in your life if you're lucky.
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