Chess opening · ECO C48
Four Knights Game: Spanish Variation
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1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5
Four Knights Game: Spanish Variation is catalogued under ECO code C48. It is reached after 4 moves (7 half-moves): 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5. After the last move it is Black to play. White opens 1. e4. It is a named variation of the Four Knights Game, which has 49 catalogued lines in total.