How many playing déviations to learn?

Hi all,

I was wondering if ppl could suggest how many playing deviations would be sufficient to learn. Cuz in theory there are hundreds if you include ones at which the true count is + or – 10 and ridiculous numbers like that.

For example, is the illustrious 18 good enough, or should I learn more to try and max out EV.

Thank you !

Latest posts