White needs to protect the d3 pawn.
1. e2e4  1... e7e5  2. g1f3  2... b8c6  3. f1b5  3... g8f6  4. d2d3  4... f8c5  5. c2c3  5... e8g8  6. b1d2  6... d7d6  7. e1g1  7... c5b6  8. b5c6 Choosing  to play the grinding game. 8... b7c6  9. h2h3  9... c8a6 