ECO B42

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

4 named opening lines are classified under ECO code B42.

• Sicilian Defense: Kan Variation, Gipslis Variation — 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Nf6 6.O-O d6 7.c4 g6
• Sicilian Defense: Kan Variation, Modern Variation — 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3
• Sicilian Defense: Kan Variation, Polugaevsky Variation — 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Bc5
• Sicilian Defense: Kan Variation, Swiss Cheese Variation — 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 g6