Frequently asked questions

I am afraid of viruses. How can you prove your program is virus free?

Here is a virustotal check of the unprotected version of the program. However, some antiviruses can detect the program as malicious indeed. This is because of the program protected with special software, which antiviruses may not like. Please don't worry, it's false positive, so just add the program to whitelist. If you still have doubts, feel free to contact us


I've installed extension but control bar does not appers on chess website

After first installation you need to update already opened chess websites


Move calculation doesn't works

Make sure that desktop application is running. Download the application, run ChessMaster.exe as administrator, select engine strength (by default it is 12). After first installation you need to update already opened chess websites


What is the strongest engine strength ?

By default engine strength is 12. The strongest is configuration is 20. Note: When you select strongest streng it will take more time to think. When you play 1 min game recommended strength is 9-12,( 0.11 - 0.2 second for move) for 3 min game strength is 14-16 (0.25 - 0.4 second)


Autostep configuration don't work

When you enable Autostep option and setup the board area, do not scrol board postion in browser.


Need I reopen program when start new game ?

Once you have opened application (and/or configured autostep option) you no need to reopen application every time when you starting new game.


How to renew license

If you get new license get and want to renew your current license key go to ChessMaster license tab, set your new license key and press save.


Can I use trial version

If you want to try ChessMaster application you can download and use trial version. For trial version ChessMaster provide 100 move calculation per day.