# Chess Opening Lab (1400-2000)

> This is a perfect opening manual

Canonical page: [https://chrome-stats.com/d/com.chessking.android.learn.openinglab](https://chrome-stats.com/d/com.chessking.android.learn.openinglab)

## Overview

- **ID:** `com.chessking.android.learn.openinglab`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Chess King
- **Category:** GAME\_BOARD
- **Downloads:** 451,474
- **Rating:** 4.49 / 5 (2,541 ratings)
- **Version:** 5.8.2
- **Last updated:** 2026-07-29
- **First published:** 2015-12-24
- **Publisher country:** US
- **Size:** 35 MB
- **Data as of:** 2026-09-21
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.chessking.android.learn.openinglab)
- **Website:** [https://learn.chessking.com](https://learn.chessking.com/)
- **Privacy policy:** [https://chessking.com/android\_privacy\_policy.html](https://chessking.com/android_privacy_policy.html)

## Description

Chess Opening Lab (1400-2000) is an interactive and comprehensive chess openings manual designed for intermediate to advanced players. It features a detailed classification of all major chess openings, enriched with instructive annotated games from the greatest players to illustrate key ideas and strategic plans. The manual includes evaluations, historical development, and the current status of each opening variation.

The program offers over 350 training exercises across 40+ openings to sharpen your skills, supported by intelligent coaching that provides hints, error refutations, and interactive theoretical lessons. Players can experience flexible test modes, bookmark favorite exercises, and track their ELO rating improvement. The app works offline and can sync progress across devices via the Chess King account. This extension is ideal for those aiming to deepen their chess understanding through a structured, interactive learning approach.

## Rankings

- #105,808 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.USE_BIOMETRIC`
- `android.permission.USE_FINGERPRINT`
- `android.permission.WAKE_LOCK`
- `com.android.vending.BILLING`
- `com.chessking.android.learn.openinglab.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
- `com.google.android.c2dm.permission.RECEIVE`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`

## Review summary

Users praise the app for improving chess openings through comprehensive training and interactive puzzles, noting it aids players from beginner to advanced levels at an affordable price. However, multiple reviewers find the material organization confusing, some theory outdated or missing key openings, and the user interface lacking features like visual variation indicators. Rapid automatic transitions between puzzles also hinder learning reflection. Overall, the app is valued for instructional content but could improve usability and content accuracy.

### Pros

- The app significantly improves chess opening understanding and skills over time.
- It provides a vast amount of theoretical material and practical puzzles to sharpen chess skills.
- Interactive feedback and hints during puzzles help users learn effectively.
- The app is affordable compared to similar chess training apps.
- Suitable for all player levels, from beginners to advanced players.

### Cons

- The organization of the theoretical material is poor and difficult to navigate.
- Some opening content is outdated or inaccurate, reducing trust in the app.
- Many important openings and gambits are missing, limiting coverage.
- Automatic transitions between puzzles happen too quickly, preventing thorough reflection.
- Interface lacks helpful visual aids (like arrows) to follow complex opening variations.

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.chessking.android.learn.openinglab)