Caro Kann

you can use 'explorer' to see winning percentages of every move, according to the databases.. it is not available in app i guess, you should use browser version.

Those winning percentages are not the last word on the matter, though. If a refutation is found, people stop playing the line, so the historic win/loss percentage is "frozen in" at that point, even though the line has been refuted.

Here's an example from the Petroff:

Consider this line:

This line has been played many times, by players from club strength up to world champions (Petrosian, for example). The historic win-loss percentages are:

White wins: 35.7%

Draws: 21.4%

Black Wins: 42.9%

Advantage Black... yes?

Or maybe not:

https://chessmood.com/course/caro-kann-defence attack against caro-kann! p.s If you wanted something good with white