Petrov's Defense (1.e4 e5 2.Nf3 Nf6 / 1.e4 e5 2.Nf3 Nf6 3.d4 / 1.e4 e5 2.Nf3 Nf6 3.Bc4) Chess Puzzles

Petrov's Defense, also known as the Russian Defense, is a chess opening characterized by the moves 1.e4 e5 2.Nf3 Nf6. It is a solid and classical response to 1.e4, aiming to neutralize White's early initiative and create a balanced position.