# How to use Checkmater You can view below videos on how to use Checkmater and its features. Also, you can always go back to the Checkmater by clicking [here](/). ## Manual import [video link](https://youtu.be/EU1BgPMo-8o) ## Play with computer [video link](https://youtu.be/5qBfUuLrIb0) ## How to buy more calculations [video link](https://youtu.be/t6oXnDv1U9c)