how it could b fruitfull if we attack jst starting with bishop on f2 or f7 nd displacing king ..??
Generally it's a good type of sacrifice if afterwards you can bring more attackers than they have defenders. But early in the game it's not possible to bring enough attackers quickly because so many pieces are still on the back rank.
how it could b fruitfull if we attack jst starting with bishop on f2 or f7 nd displacing king ..??