# Encyclopedia 2 by Informant — Chess Training

> Systematic chess combination training for intermediate players with interactive lessons. (iPhone/iPad app by CHESSQUEEN INC.)

- Source: https://appshunter.io/ios/app/encyclopedia-2-by-informant/id1256485183 (this page in markdown: same URL + `.md`)
- Developer: [CHESSQUEEN INC](https://appshunter.io/developer/1096660597)
- Category: Games, Education, Board, Puzzle
- Price: Free with in-app purchases
- Rating: 4.90/5 from 14 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 8.0 · 44 MB
- Languages: American English, Dutch, French (France), German (Germany), Greek, Italian, Polish, European Portuguese, Romanian, Russian and 4 more
- Released: 2017-07-08
- Data updated: 2026-06-01
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/encyclopedia-2-by-informant/id1256485183/reviews.md

## What is Encyclopedia 2 by Informant?

Encyclopedia of Chess Combinations vol. 2 (ECC vol. 2) is the ultimate educational tool with systematic, carefully selected content for player with ELO 2200. The material is based on the latest edition of the eponymous bestselling book released by Chess Informant. This volume contains chess combination of Intermediate Level (ELO 2200) for solving, all hand-picked and sorted by theme to provide the most exciting and efficient training experience possible! Unlike disorganized, basic tactics you can learn all over the Internet, this Chess Sphinx will challenge you consistently and systematically, unveiling new intricacies right when you decide you have mastered that particular tactic.

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.

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

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. Annihilation of defence
2. Blockade
3. Clearance
4. Deflection
5. Discovered attack
6. Pinning
7. Demolition of pawn structure
8. Decoy
9. Interference
10. Double attack

## Key features

- Systematic chess combinations
- Intermediate level training (ELO 2200)
- Themed sorting of tactics
- Interactive theoretical lessons
- Hints and mistake refutations
- Play against computer
- Rating monitoring

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Full Course | $9.99 | one-time |


## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/encyclopedia-2-by-informant/id1256485183/reviews.md

### 5/5 — Love these programs but need less rewarding.

*2019-03-31*

These great puzzles great from a book

## Frequently asked questions about Encyclopedia 2 by Informant

### What is Encyclopedia 2?

Encyclopedia 2 is an educational tool designed for chess players with an ELO of 2200. It offers systematic training through carefully selected chess combinations sorted by theme, providing an efficient learning experience.

### Is Encyclopedia 2 free to play?

Yes, Encyclopedia 2 is free to download and includes a free part with fully functional lessons. Additional topics can be unlocked through in-app purchases.

### What kind of chess content does Encyclopedia 2 offer?

It focuses on intermediate-level chess combinations (ELO 2200) sorted by theme, such as Annihilation of Defence, Blockade, and Deflection. It also includes interactive theoretical lessons on various game stages.

### Does Encyclopedia 2 have ads?

No, Encyclopedia 2 does not contain advertisements. The application is ad-free, allowing for an uninterrupted learning experience.

### Can I play against the computer in Encyclopedia 2?

Yes, you can play out any position from the tasks against the computer. This feature allows you to practice and test your understanding of specific scenarios.

### What devices support Encyclopedia 2?

Encyclopedia 2 is supported on iPhone, iPad, and iPod. It is also adapted for the larger screen of a tablet.

### How does Encyclopedia 2 help improve my chess rating?

The program monitors your ELO rating change during the learning process. By solving systematically organized tactical problems and interactive lessons, you can improve your chess knowledge and consolidate it into practice.

### Does Encyclopedia 2 require an internet connection to play?

No, the application does not require an internet connection to function. You can train and learn offline, making it convenient for use anywhere.

## Version history (last 3 releases)

### 1.2 — 2018-02-05

This app has been updated by Apple to display the Apple Watch app icon.

• App is updated for iPhone X
• New home screen
• Animated playback of theory with sound
• Date of reading the theory
• Disabled automatic playback of refutations
• Option to reset password
• Renaming of account
• Various fixes and improvements

### 1.0.5 — 2017-08-16

• Added German, Italian, Chinese, Spanish, Dutch, Portuguese, French, Polish, Romanian translations 
• Various fixes and improvements

### 1.0.4 — 2017-07-08

No release notes.

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All apps by CHESSQUEEN INC: https://appshunter.io/developer/1096660597

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*