C46

1.e4 e5 2.Nf3 Nc6 3.Nc3 Three Knights: 3…f5 Three Knights: Winawer 3…g6 Three Knights: Steinitz 3…g6 4.d4 exd4 5.Nd5 Three Knights: Steinitz (Rosenthal) 3…Bb4 4.Nd5 Nf6 Three Knights: Schlechter