The only way is to mix cucumber, parsley , cabbage, charcoal and fennel in equal parts by volume, add tumeric and cayenne pepper to taste.
Juice it up. Find a cat skin ( freshly skinned) , soak the skin in the mixture you've just juiced. Wrap the skin around your head before going to bed.
I have noticed in many players including myself, that after 6 months or more without playing chess, and restarting with any amateur player that losses are frequent, I want to know how to resume playing chess without having to relearn the game as far as reading the opponent and starting to win frequently again.