Chess Opening Lab (1400-2000)
Chess Opening Lab (1400-2000) Summary
Chess Opening Lab (1400-2000) is a with in-app purchases iOS app in Games by Chess King. Released in Sep 2016 (9 years ago). It has 1.4K ratings with a 4.69★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 1.9K monthly active users and generates around $<10K monthly revenue (100% IAP / 0% ads). Store metadata: updated Jan 15, 2018, version 30.
Data tracking: SDKs and third-party integrations were last analyzed on Feb 20, 2026.
Store info: Last updated on App Store on Jan 15, 2018 (version 30).
4.69★
Ratings: 1.4K
Screenshots
App Description
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, 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.
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 setti
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