ECO B52

ECO B00–B99 — Semi-Open Games other than the French: 1.e4 answered by the Sicilian, Caro-Kann, Scandinavian, Alekhine, Pirc and more.

3 named opening lines are classified under ECO code B52.

• Sicilian Defense: Moscow Variation, Haag Gambit — 1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.Bxd7+ Qxd7 5.O-O Nc6 6.c3 Nf6 7.d4
• Sicilian Defense: Moscow Variation, Main Line — 1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7
• Sicilian Defense: Moscow Variation, Sokolsky Variation — 1.e4 c5 2.Nf3 d6 3.Bb5+ Bd7 4.Bxd7+ Qxd7 5.c4