The main line.
1. g1f3  1... d7d5  2. g2g3  2... g7g6  3. f1g2  3... f8g7  4. d2d4  4... g8f6  5. e1g1  5... e8g8  6. c2c4  6... c7c6  7. b2b3 Carlsen used a version of this solid line to defeat Nepomniachtchi in their final test before their world championship match.