Home › Openings › Three Knights Opening Three Knights Opening: Schlechter Variation ECO C46 · 1. e4 e5 2. Nf3 Nc6 3. Nc3 Bb4 4. Nd5 Nf6 Related variationsThree Knights Opening: Steinitz DefenseThree Knights Opening: Winawer DefenseThree Knights Opening: Steinitz-Rosenthal Variation Practice this opening · Play against the computer