In modern praxis lost positions are salvaged most often when the play is highly complicated with many sharp dynamic variations to be calculated.
Leonid ShamkovichThe proper timing of an attacking plan is a difficult matter which places great strain on a player's nerves. Mastery of this art is required for success in the international arena, but perfect mastery eludes even the very best chessplayers!
Leonid ShamkovichA real sacrifice involves a radical change in the character of a game which cannot be effected without foresight, fantasy, and the willingness to risk.
Leonid Shamkovich