Chrome Settings

Go to the top right of the Chrome window and click on the 3 dots or the exclamation point.

Choose "Settings" from the drop-down menu...

It opens in a new tab/window. Set it to show Bookmarks Bar.

Scroll to the bottom. UnderĀ OnĀ Start Up, select "Open a specific page..." button - then click on "Use current pages".

Click on the 3 dots to the right of this webpage and "remove"; you want to keep the Moodle page only.

You can close the Settings tab/window.