Chess Opening Lab (1400-2000)
8.8 163
v5.4.1 by Chess King
About Opening Lab
Opening Lab (Package Name: com.chessking.android.learn.openinglab) is developed by Chess King and the latest version of Chess Opening Lab (1400-2000) 5.4.1 was updated on November 1, 2025. Chess Opening Lab (1400-2000) is in the category of Board. You can check all apps from the developer of Chess Opening Lab (1400-2000) and find 198 alternative apps to Chess Opening Lab (1400-2000) on Android. Currently this app is for free. This app can be downloaded on Android 7.0+ on APKFab or Google Play. All APK/XAPK files on APKFab.com are original and 100% safe with fast download.
This is a perfect opening manual. It features a theoretical review of all the chess openings, which are illustrated by instructive games of the greatest chess players. This compact opening manual contains a detailed classification, which makes it useful to players of any level - beginners, intermediate and advanced players. Each opening variation is supplied with evaluations and characteristics of key moves. The history of the variations' development is described, as well as their current status. The theoretic material is nicely illustrated by classic games with detailed annotations that demonstrate the principal ideas and plans of each variation for White and Black. There is also a special training section with more than 350 exercises of various difficulty on more than 40 openings.
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.
The program also contains a theoretical section, which explains the methods of the game in a certain stage of the game, based on actual examples. The theory is presented in an interactive way, which means you can not only read the text of the lessons, but also to make moves on the board and work out unclear moves on the board.
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
♔ 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
13. English opening
14. Evans gambit
15. Four knights' game
16. French defense
17. Grünfeld defense
18. Italian game & Hungarian defense
19. King's Indian defense
20. Latvian gambit
21. Nimzo-Indian defense
22. Nimzowitsch defense
23. Old Indian defense
24. Philidor's defense
25. Pirc-Robatsch defense
26. Queen's gambit
27. Queen's Indian defense
28. Queen's pawn game
29. Reti opening
30. Petrov's defense
31. Ruy Lopez
32. Scandinavian defense
33. Scotch gambit & Ponziani's opening
34. Scotch game
35. Sicilian defense
36. Three knights' game
37. Two knights' defense
38. Vienna game
39. Volga-Benko gambit
40. The complete course of openings
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.
The program also contains a theoretical section, which explains the methods of the game in a certain stage of the game, based on actual examples. The theory is presented in an interactive way, which means you can not only read the text of the lessons, but also to make moves on the board and work out unclear moves on the board.
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
♔ 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
13. English opening
14. Evans gambit
15. Four knights' game
16. French defense
17. Grünfeld defense
18. Italian game & Hungarian defense
19. King's Indian defense
20. Latvian gambit
21. Nimzo-Indian defense
22. Nimzowitsch defense
23. Old Indian defense
24. Philidor's defense
25. Pirc-Robatsch defense
26. Queen's gambit
27. Queen's Indian defense
28. Queen's pawn game
29. Reti opening
30. Petrov's defense
31. Ruy Lopez
32. Scandinavian defense
33. Scotch gambit & Ponziani's opening
34. Scotch game
35. Sicilian defense
36. Three knights' game
37. Two knights' defense
38. Vienna game
39. Volga-Benko gambit
40. The complete course of openings
Opening Lab 5.4.1 Update
* Improved support for Android 15+ devices* Added showing of small marks (??, ?!, !?, etc) on the board
* Show solution rating for test
* Feel free to share your experience via the feedback!
* Various fixes and improvements
Read More
Opening Lab Features
Related Videos
Chess King Learn video description for Mobile iOS and Android
Previous Versions
More
Variant
Arch
Version
DPI
10000022
November 1, 2025
Chess Opening Lab (1400-2000)
5.4.1
(10000022)
Requires Android: Android 7.0+
Architecture: arm64-v8a
Screen DPI: nodpi
SHA1: b2458392bfcaa09833b172e5d4e805da13053854
Base APK: com.chessking.android.learn.openinglab.apk
Split APKs: config.arm64_v8a, config.xxhdpi
Size: 18.47 MB
What's New:
* Improved support for Android 15+ devices
* Added showing of small marks (??, ?!, !?, etc) on the board
* Show solution rating for test
* Feel free to share your experience via the feedback!
* Various fixes and improvements
* Added showing of small marks (??, ?!, !?, etc) on the board
* Show solution rating for test
* Feel free to share your experience via the feedback!
* Various fixes and improvements
arm64-v8a
Android 7.0+
nodpi
10000022
November 1, 2025
Chess Opening Lab (1400-2000)
5.4.1
(10000022)
Requires Android: Android 7.0+
Architecture: armeabi-v7a
Screen DPI: nodpi
SHA1: e3a2a60ba77d83e57f8a0c5db32731225b0cf1d6
Base APK: com.chessking.android.learn.openinglab.apk
Split APKs: config.armeabi_v7a, config.xhdpi
Size: 18.1 MB
What's New:
* Improved support for Android 15+ devices
* Added showing of small marks (??, ?!, !?, etc) on the board
* Show solution rating for test
* Feel free to share your experience via the feedback!
* Various fixes and improvements
* Added showing of small marks (??, ?!, !?, etc) on the board
* Show solution rating for test
* Feel free to share your experience via the feedback!
* Various fixes and improvements
armeabi-v7a
Android 7.0+
nodpi
Variant
Arch
Version
DPI
10000021
January 30, 2025
Chess Opening Lab (1400-2000)
4.2.2
(10000021)
Requires Android: Android 7.0+
Architecture: arm64-v8a
Screen DPI: nodpi
SHA1: 4ad7a6f84bfa6563b6fc95518e846a8788c33637
Base APK: com.chessking.android.learn.openinglab.apk
Split APKs: config.arm64_v8a, config.mdpi
Size: 28.39 MB
What's New:
* Refreshed design, using the latest Android visual styles now
* Improved external UCI engines support
* Fixed stability issues on Android 7
* Feel free to share your experience via the feedback!
* Various fixes and improvements
* Improved external UCI engines support
* Fixed stability issues on Android 7
* Feel free to share your experience via the feedback!
* Various fixes and improvements
arm64-v8a
Android 7.0+
nodpi
10000021
February 3, 2025
Chess Opening Lab (1400-2000)
4.2.2
(10000021)
Requires Android: Android 7.0+
Architecture: armeabi-v7a
Screen DPI: nodpi
SHA1: fa53ab8da50cad07b0e052908c749f92b82c6354
Base APK: com.chessking.android.learn.openinglab.apk
Split APKs: config.armeabi_v7a, config.xhdpi
Size: 16.58 MB
What's New:
* Refreshed design, using the latest Android visual styles now
* Improved external UCI engines support
* Fixed stability issues on Android 7
* Feel free to share your experience via the feedback!
* Various fixes and improvements
* Improved external UCI engines support
* Fixed stability issues on Android 7
* Feel free to share your experience via the feedback!
* Various fixes and improvements
armeabi-v7a
Android 7.0+
nodpi
Requires Android: Android 7.0+
Architecture: arm64-v8a
Screen DPI: nodpi
SHA1: 03f871906aaa03992feaa444e6b77c28d99880b7
Size: 16.72 MB
What's New:
* Added training mode based on Spaced Repetition - it combines erroneous exercises with new ones and presents the more suitable set of puzzles to solve.
* Added ability to launch tests on bookmarks.
* Added daily goal for puzzles - chose how many exercise you need to keep your skills in shape.
* Added daily streak - how many days in a row the daily goal is completed.
* Various fixes and improvements
* Added ability to launch tests on bookmarks.
* Added daily goal for puzzles - chose how many exercise you need to keep your skills in shape.
* Added daily streak - how many days in a row the daily goal is completed.
* Various fixes and improvements
Variant
Arch
Version
DPI
10000019
July 30, 2024
Chess Opening Lab (1400-2000)
3.3.2
(10000019)
Requires Android: Android 5.0+
Architecture: arm64-v8a
Screen DPI: nodpi
SHA1: 932ef291d42fdaddb8af48517f11731e09901a52
Base APK: com.chessking.android.learn.openinglab.apk
Split APKs: config.arm64_v8a, config.xxxhdpi
Size: 17.49 MB
What's New:
* Added training mode based on Spaced Repetition - it combines erroneous exercises with new ones and presents the more suitable set of puzzles to solve.
* Added ability to launch tests on bookmarks.
* Added daily goal for puzzles - chose how many exercise you need to keep your skills in shape.
* Added daily streak - how many days in a row the daily goal is completed.
* Various fixes and improvements
* Added ability to launch tests on bookmarks.
* Added daily goal for puzzles - chose how many exercise you need to keep your skills in shape.
* Added daily streak - how many days in a row the daily goal is completed.
* Various fixes and improvements
arm64-v8a
Android 5.0+
nodpi
10000019
August 2, 2024
Chess Opening Lab (1400-2000)
3.3.2
(10000019)
Requires Android: Android 5.0+
Architecture: arm64-v8a
Screen DPI: nodpi
SHA1: 778404b97694b8aa3f62065d76a16c36234e2e5a
Base APK: com.chessking.android.learn.openinglab.apk
Split APKs: config.arm64_v8a, config.xxhdpi
Size: 17.48 MB
What's New:
* Added training mode based on Spaced Repetition - it combines erroneous exercises with new ones and presents the more suitable set of puzzles to solve.
* Added ability to launch tests on bookmarks.
* Added daily goal for puzzles - chose how many exercise you need to keep your skills in shape.
* Added daily streak - how many days in a row the daily goal is completed.
* Various fixes and improvements
* Added ability to launch tests on bookmarks.
* Added daily goal for puzzles - chose how many exercise you need to keep your skills in shape.
* Added daily streak - how many days in a row the daily goal is completed.
* Various fixes and improvements
arm64-v8a
Android 5.0+
nodpi
10000019
August 3, 2024
Chess Opening Lab (1400-2000)
3.3.2
(10000019)
Requires Android: Android 5.0+
Architecture: armeabi-v7a
Screen DPI: nodpi
SHA1: 57364e0a21c8203b20082e49781d01ad2b396f8f
Base APK: com.chessking.android.learn.openinglab.apk
Split APKs: config.armeabi_v7a, config.xhdpi
Size: 17.23 MB
What's New:
* Added training mode based on Spaced Repetition - it combines erroneous exercises with new ones and presents the more suitable set of puzzles to solve.
* Added ability to launch tests on bookmarks.
* Added daily goal for puzzles - chose how many exercise you need to keep your skills in shape.
* Added daily streak - how many days in a row the daily goal is completed.
* Various fixes and improvements
* Added ability to launch tests on bookmarks.
* Added daily goal for puzzles - chose how many exercise you need to keep your skills in shape.
* Added daily streak - how many days in a row the daily goal is completed.
* Various fixes and improvements
armeabi-v7a
Android 5.0+
nodpi
More Information
Package Name:
Update Date:
2025-11-01
Latest Version:
5.4.1
Need Update:
Available on:
Requirements:
Android 7.0+
Report:
Safe to Download
APKFab.com and the download link of this app are 100% safe. All download links of apps listed on APKFab.com are from Google Play Store or submitted by users. For the app from Google Play Store, APKFab.com won't modify it in any way. For the app submitted by users, APKFab.com will verify its APK signature safety before release it on our website.