ECO C46
5 named openings and variations are classified as C46. ECO (Encyclopaedia of Chess Openings) codes group openings from A00 to E99 by their opening moves.
- Three Knights OpeningC461. e4 e5 2. Nf3 Nc6 3. Nc3
- Three Knights Opening: Schlechter VariationC461. e4 e5 2. Nf3 Nc6 3. Nc3 Bb4 4. Nd5 Nf6
- Three Knights Opening: Steinitz DefenseC461. e4 e5 2. Nf3 Nc6 3. Nc3 g6
- Three Knights Opening: Steinitz-Rosenthal VariationC461. e4 e5 2. Nf3 Nc6 3. Nc3 g6 4. d4 exd4 5. Nd5
- Three Knights Opening: Winawer DefenseC461. e4 e5 2. Nf3 Nc6 3. Nc3 f5