1. Main line 1. e4 c5 2. Nc3 Nc6 3. g3 g6 Choose a line 1. Main line 1. e4 c5 2. Nc3 Nc6 3. g3 g6 2. Main line, 4... Bg7 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 3. Fianchetto Variation 1. e4 c5 2. Nc3 Nc6 3. g3 4. Smyslov Variation 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 Nd4 7. Nce2 Close 1. Main line 1. e4 c5 2. Nc3 Nc6 3. g3 g6 2. Main line, 4... Bg7 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 3. Fianchetto Variation 1. e4 c5 2. Nc3 Nc6 3. g3 4. Smyslov Variation 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 Nd4 7. Nce2 Next