Chess Tactics Pro (Puzzles)
LR Studios
v5.06
Varies
★★★★★ 4.7
Clean APK
Trusted App
No Virus
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Download File Details
Package Name
net.lrstudios.android.chess_problems
Requires Android
Android 7.0+
Architecture
arm64-v8a, armeabi-v7a, x86_64
Version
v5.06
Last Updated
Apr 17, 2026
File Size
Varies
Downloads
1,000,000+
License
Free
Security & Checksum Signatures
SHA-256 Checksum
Verified Safe
E9A587F95F99B71143B10FF955794F31C959D9C9E9751FD1D51D0FD96FC989E1
SHA-1 Checksum
Verified Safe
6DA587311755F7D143F50F3111B54F71CD159D41
Developer Signature Certificate
Verified Original
02:35:2E:F3:D8:99:25:B3:43:B5:7B:5D:25:41:AB:37:CC:8D:C1:A1
Owner: CN=LR Studios, O=LR Studios
What's New
- Added drag&drop support
- Multiple bugfixes
Step-by-Step Sideloading Guide
1
Enable Unknown Sources
Enable "Install Unknown Apps" in Android security settings.
2
Choose Mirror Source
Wait for the countdown to complete and choose a mirror server.
3
Complete Installation
Install the APK. For split bundles (.apks), use the APKs installer, and for .xapk, use the XAPK Installer.
Frequently Asked Questions
Yes, this APK is 100% safe. The cryptographic signature matches the official developer LR Studios's certificate, guaranteeing it is unmodified and safe.
If the file is a split bundle (.apks), you will need the Split APKs Installer (SAI) utility to perform the installation on your Android device.
To update the app, simply return to our site when a new version is available, download the new APK, and install it on top of the existing app.