# Chess Tactics. Sicilian Def. 2 — Chess Training

> Interactive chess training course for Sicilian Defense variations with exercises. (iPhone/iPad app by CHESSQUEEN INC.)

- Source: https://appshunter.io/ios/app/chess-tactics-sicilian-def-2/id1129895425 (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: 4.80/5 from 21 App Store ratings
- Age rating: 4+
- Requires: iOS 8.0 · 43 MB
- Languages: American English, Russian
- Released: 2016-07-07
- Data updated: 2026-06-01
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/chess-tactics-sicilian-def-2/id1129895425/reviews.md

## What is Chess Tactics. Sicilian Def. 2?

This course is aimed at club and intermediate players and presents the theory and playing hooks in the most sharp and deciding variations of the Sicilian Defense developing after moves 1. e4 c5 2. Nf3 Nc6: the Lasker variation, the Paulsen variation, the Labourdonnais variation, the Simagin variation and the Boleslavsky defense.
The course presents a deep theoretical and practical overview of the actual variations, featuring 300 examples. Numerous new exercises provide a great opportunity to reinforce your knowledge: 300 exercises in total for all variations after 1. e4 c5 2. Nf3 Nc6.

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 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. Chess Tactics in Sicilian Defense II
1.1. Lasker variation
1.2. Sozin attack
1.3. Paulsen variation
1.4. Scheveningen
1.5. Labourdonnais variation
1.6. Richter attack
1.7. Simagin variation
1.8. Dragon variation
1.9. Boleslavsky defense
1.10. Other variations
2. Sicilian Defense - theory
2.1. The system with 2. c3
2.2. Scheveningen
2.3. The systems with e7-e5
2.4. Dragon variation
2.5. Paulsen system
2.6. Closed system
2.7. Moscow variation 2. Nf3 d6 3. Bb5
2.8. Rossolimo variation 3. Bb5
2.9. Chelyabinsk variation
2.10. Other variations
2.11. Richter-Rauser variation (or Rauser attack)

## Key features

- Sicilian Defense theory and variations
- 300 tactical exercises
- Interactive lessons with board play
- Hints and refutations for mistakes
- Computer play for positions
- Rating (ELO) tracking
- Offline access

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Full course | $3.99 | one-time |



## Frequently asked questions about Chess Tactics. Sicilian Def. 2

### What chess openings does Chess Tactics. Sicilian Def. 2 cover?

Chess Tactics. Sicilian Def. 2 focuses on sharp and deciding variations of the Sicilian Defense that develop after 1. e4 c5 2. Nf3 Nc6. This includes the Lasker, Paulsen, Labourdonnais, Simagin, and Boleslavsky variations, among others.

### How many exercises are included in Chess Tactics. Sicilian Def. 2?

The course features a total of 300 exercises designed to reinforce your knowledge of the various Sicilian Defense variations. These exercises cover all variations after the initial moves 1. e4 c5 2. Nf3 Nc6.

### Can I play against the computer in Chess Tactics. Sicilian Def. 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 within the Sicilian Defense.

### Does Chess Tactics. Sicilian Def. 2 require an internet connection?

No, the application does not require an internet connection. You can access all lessons and exercises offline, making it convenient for training anywhere.

### What is the age rating for Chess Tactics. Sicilian Def. 2?

Chess Tactics. Sicilian Def. 2 has an age rating of 4+. This indicates it is suitable for a wide range of users, including younger players interested in learning chess.

### How does Chess Tactics. Sicilian Def. 2 help improve my chess rating?

The program monitors the change in your rating (ELO) during the learning process. By providing targeted training and feedback on your tactical skills and theoretical knowledge, it aims to help you improve your overall chess performance.

### Is there a free version of Chess Tactics. Sicilian Def. 2?

Yes, the course includes a free part that allows you to test the program. The lessons offered in the free version are fully functional and let you experience the application before purchasing additional topics.

### What devices is Chess Tactics. Sicilian Def. 2 available on?

Chess Tactics. Sicilian Def. 2 is available on iPhone, iPad, and iPod. The application is also adapted for the bigger screen of a tablet.

## Version history (last 5 releases)

### 1.2 — 2018-01-16

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

### 1.0.3 — 2017-06-06

Attention! You should have an internet connection on the first launch to verify your purchase!
• Added cloud sync option for statistics and bookmarks
• Added "Auto hints" option - you can use it to turn off automatic hints after wrong move attempts
• Added switching between exercises using swipe gestures
• Improved theory mode
• Added Tag (colored commentaries) option for bookmarks
• Various fixes and improvements

### 0.9.8 — 2017-02-07

• Added auto switch to the next exercise
• Added engine analysis mode and improved engine play mode
• Added statistics of the solved exercises by day
• Added possibility to share exercise with friends
• Added table of symbols convention
• Bug fixes and small improvements

### 0.9.7 — 2017-01-13

• Added sounds in practice
• Added option to disable showing of the exercise goal
• Added possibility to change appearance of move marker
• Bug fixes and small improvements

### 0.9.6 — 2016-12-03

• Bug fixes and small improvements

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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.*