Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5

= Two Knights Defence =

4...d5

 * This is the most commonly played move in the position.


 * It blocks White's attempt to win the f7 pawn and can lead to black sacrificing a pawn in return for space and development.

Statistics
Estimated next move popularity exd5 100%

Theory table
.
 * 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5