# Chess Endgame Studies

> Solve chess endgame studies offline with hints and refutations.

Canonical page: [https://chrome-stats.com/d/com.cfe.endgamestudies](https://chrome-stats.com/d/com.cfe.endgamestudies)

## Overview

- **ID:** `com.cfe.endgamestudies`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Koala Chess Studio
- **Category:** EDUCATION
- **Downloads:** 37
- **Version:** 1.1.0
- **Last updated:** 2026-08-22
- **First published:** 2026-08-13
- **Publisher country:** ID
- **Size:** 90 MB
- **Data as of:** 2026-09-16
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.cfe.endgamestudies)
- **Website:** [https://prgmlu.github.io/](https://prgmlu.github.io/)
- **Privacy policy:** [https://prgmlu.github.io/chess-endgame-studies-privacy/](https://prgmlu.github.io/chess-endgame-studies-privacy/)

## Description

Train your chess endgame calculation with focused studies you can solve anywhere.<br><br>Endgame Studies Trainer is a quiet, board-first way to practice composed chess endgames. Find the move that wins or draws, follow the authored line, and understand why other moves fail.<br><br>What you get:<br><br>• curated endgame studies, from easier positions to demanding calculations<br>• Win and draw studies built around precise, authored solutions<br>• Hints when you need a nudge<br>• Wrong-move refutations that show the consequence of an alternative<br>• Coach explanations and move history to help you follow the idea<br>• Variation review after solving to test other choices<br>• On-device Stockfish analysis after solving<br>• Local progress so you can continue without an account or internet connection<br><br>Designed for short, focused chess sessions on your phone. This is a dedicated endgame-study trainer, not a live online chess server.

## Rankings

- #2,381,926 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.INTERNET`
- `android.permission.MODIFY_AUDIO_SETTINGS`
- `android.permission.READ_EXTERNAL_STORAGE`
- `android.permission.SYSTEM_ALERT_WINDOW`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `android.permission.WRITE_EXTERNAL_STORAGE`
- `com.android.vending.CHECK_LICENSE`
- `com.cfe.endgamestudies.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`

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