Download CHESSOLVE

Name: CHESSOLVE
Author: Chessolve

By: Chessolve Add-on

Download CHESSOLVE (current and past versions) for Firefox

Latest Version: 6.0.1 Updated: 17 days ago

Ready to install?

CHESSOLVE is available to install from Firefox Add-ons Store and for download from this page.

View source code

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Total downloads

Available versions

You can find the current and older versions of CHESSOLVE here. You can download the archived versions or inspect their source codes.

As a free user, you can download up to 3 latest versions.

Upgrade to download older versions

Version	Download	Size	Timestamp
6.0.1	XPI · ZIP · Source code	189.68KB	2026-08-09
6.0.0	XPI · ZIP · Source code	187.91KB	2026-08-08
5.2.0	XPI · ZIP · Source code	125.96KB	2026-07-01

2026-08-09 · 0 downloads

XPI ZIP Source code

2026-08-08 · 0 downloads

XPI ZIP Source code

2026-07-01 · 0 downloads

XPI ZIP Source code

Install XPI file

An XPI file, short for "XPInstall," is a compressed file format used primarily by Mozilla applications, like Firefox and Thunderbird, to distribute and install add-ons or extensions. These files are similar in function to CRX files for Chrome but cater to the Mozilla ecosystem.

Simply drag-and-drop the XPI into Firefox to install the add-on.

Install ZIP file

Download the CHESSOLVE ZIP file.
In Firefox browser, go to about:addons to open Add-ons Manager
Click on ⚙, Install Add-on From File
Select the CHESSOLVE ZIP file from step 1. CHESSOLVE is now installed on your browser.