C48White8 book lines continue
Spanish Variation, Rubinstein Variation Accepted
Four Knights Game1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Nxd4
Also known as Four Knights: Rubinstein, Exchange Variation, Four Knights Game, Spanish Variation, Four knights: Rubinstein counter-gambit, exchange variation.