Chess Opening Theory/1. c4/1...c5/2. Nc3/2...Nc6/3. g3/3...g6/4. Bg2/4...Bg7/5. Nf3/5...Nf6

= Symmetrical English=

Theory table
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'''1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5. Nf3 Nf6'''