Nimzo-Indian, 4.e3, Main line with ...b6 Notation: 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Nf3 d5 6. Bd3 b6 Guide: http://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.