Home › Openings › Sicilian Defense › Sicilian Defense: Alapin Variation › Sicilian Defense: Alapin Variation, Barmen Defense Sicilian Defense: Alapin Variation, Barmen Defense, Central Exchange ECO B22 · 1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 cxd4 5. cxd4 Nc6 6. Nf3 Bg4 Related variationsSicilian Defense: Alapin Variation, Barmen Defense, Modern LineSicilian Defense: Alapin Variation, Barmen Defense, Milner-Barry AttackSicilian Defense: Alapin Variation, Barmen Defense, Endgame Variation Practice this opening · Play against the computer