1. d2d4  1... g8f6  2. c2c4  2... e7e6  3. b1c3  3... f8b4  4. d1c2  4... e8g8  5. a2a3  5... b4c3  6. c2c3  6... d7d5 From time to time, elite chess players try to achieve something in this variation with the white pieces, but my impression is that it is exhausted and it's nearly impossible to pose opening problems for Black. 7. g1f3  7... d5c4  8. c3c4  8... b7b6  9. c1g5  9... c8a6 This is good, but the alternatives also guarantee equality for Black. 10. c4a4  10... d8d7  11. a4c2 The most combative move. 11... c7c5 Black needs to play this thematic move to open lines and explore the development advantage. 12. d4c5  12... f8c8  13. a1d1  13... d7e7 The best square for the queen. 14. c2a4 A rare move. 14... b6c5 The simplest, but it's a new move. 15. h2h4 The thematic idea. 15... c5c4 A good move, cutting off the queen from the kingside. 16. h1h3  16... h7h6  17. a4c2 After this move, Black has the advantage. 17... b8d7 Reinforcing the knight on f6. 18. f3d4  18... a6b7  19. g5d2  19... a7a5 A solid choice, preventing the bishop from going to b4. 20. f2f3  20... e7c5  21. d2e3  21... c4c3  22. c2c3  22... c5c3 This move wastes most of the advantage. The correct move is very difficult to find. 23. b2c3  23... c8c3  24. e3c1 The endgame is still more pleasant for Black, but the feeling is that the worst has passed for White. 24... b7a6  25. e2e4 