Reliable, useful, and easy to understand. A solid companion for online chess players.

Отличный инструмент для обучения!

Nice tools

Great extension for improving my chess understanding.

Easy to install and works smoothly on Firefox.

Amazing extension easy to use!!!

Chess Helper makes analyzing complicated positions much less intimidating. I can instantly see important threats and opportunities.

Excellent companion for anyone studying chess online. The visual analysis tools are particularly useful.