1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 - Alekhine Defense: Two Pawns Attack, Lasker Variation

Alekhine Defense: Two Pawns Attack, Lasker Variation

Coups: 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5