English Opening, Closed system 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 Guide: https://www.masterchessopen.com/guide-chessmicrobase Back to www.masterchessopen.com All Games are selected from the end position for the opening. Eco Codes can vary due to this.