Home › Openings › Four Knights Game › Four Knights Game: Spanish Variation › Four Knights Game: Spanish Variation, Rubinstein Variation Four Knights Game: Spanish Variation, Rubinstein Variation, Henneberger Variation ECO C48 · 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Nd4 5. O-O Related variationsFour Knights Game: Spanish Variation, Rubinstein Variation, Marshall GambitFour Knights Game: Spanish Variation, Rubinstein Variation, Marshall VariationFour Knights Game: Spanish Variation, Rubinstein Variation, Maróczy Variation Practice this opening · Play against the computer