# Дебютус

> Practice your opening repertoire effectively!

Canonical page: [https://chrome-stats.com/d/com.epriori.debutus](https://chrome-stats.com/d/com.epriori.debutus)

## Overview

- **ID:** `com.epriori.debutus`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Epriori
- **Category:** EDUCATION
- **Downloads:** 67
- **Version:** 2.1.5
- **Last updated:** 2026-01-13
- **First published:** 2025-11-29
- **Publisher country:** RU
- **Size:** 18 MB
- **Data as of:** 2026-09-13
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.epriori.debutus)
- **Website:** [https://debutus.ru](https://debutus.ru/)
- **Privacy policy:** [https://debutus.ru/ru/privacy](https://debutus.ru/ru/privacy)

## Description

Openings is the most effective way to learn your chess repertoire!<br>🎯 Main advantage<br>Upload a PGN file with your openings and start training immediately. The app turns a static database into an interactive trainer that checks your every move.<br>⚡ How it works<br>• Import PGN with opening lines<br>• The app plays for your opponent<br>• You find the correct moves<br>• Get instant feedback<br>• Review complex variations<br>🔥 Key features<br>Full repertoire coverage - the system automatically extracts all branches and variations from your PGN, without skipping a single line<br>Smart repetitions - focus on the variations that cause you difficulty<br>Realistic training - play both sides: White and Black<br>Detailed statistics - track your progress for each opening system<br>Exam mode - test your knowledge without hints<br>Works offline - train anywhere<br>💪 Who is this app for<br>✓ Tournament chess players preparing a repertoire<br>✓ Players studying openings from books and videos<br>✓ Those who want to systematize their knowledge<br>✓ Chess players of any level, from beginners to masters<br>🚀 Advantages over a regular app Study<br>Instead of passively reviewing variations, you actively recall moves, improving your memorization by 3-5 times. Research shows that active recall is the most effective learning method.<br>📈 Results<br>After a week of regular practice, you&#39;ll confidently remember critical variations of your repertoire and spend less time thinking about the opening.<br>Download now and turn your knowledge of openings into your competitive advantage!

## Rankings

- #2,139,579 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.INTERNET`
- `android.permission.READ_EXTERNAL_STORAGE`
- `android.permission.READ_PHONE_STATE`
- `android.permission.WRITE_EXTERNAL_STORAGE`
- `com.android.vending.BILLING`
- `com.android.vending.CHECK_LICENSE`
- `com.epriori.debutus.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.epriori.debutus)