Four Knights Game: Italian Variation is a chess opening with the ECO code C47, part of the Four Knights Game family. It goes 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3. White opens with 1. e4 (the king's pawn) and Black answers 1... e5. After 7 moves it is Black to move. The lesson on the board explains every move of the line and lets you play it yourself; it is free.
In chessGM's opening book this position continues with 4... Nxe4.
Both sides bring out both knights: 1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6. It is a classical, healthy opening that follows the basic rules.
chessGM has a full course for this line: open the Four Knights Game: Italian Variation course lesson.