1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 d6 7. Bg5 Nbd7 8. e3 b6 9. Ne2 c5 10. Rd1 Qc7 11. Qc2 cxd4 12. Nxd4 Ba6 13. Bxf6 Nxf6 14. Qa4 Qc8 15. Be2 Bb7 16. O-O Rd8 17. b4 a5 18. Qb3 axb4 19. axb4 d5 20. Rc1 dxc4 21. Bxc4 Qb8 22. b5 Ne4 23. Qc2 Nc5 24. Nc6 Bxc6 25. bxc6 Qc7 26. Be2 e5 27. Bf3 Rd6 28. Rfd1 Rad8 29. Rxd6 Rxd6 30. Qc4 Qd8 31. h3 g6 32. Bd5 Kg7 33. e4 f5 34. Qc3 Kh6 35. Qxe5 Nd3 36. Qc3 Qg5 37. Rc2 fxe4 38. c7 Nf4 39. Qg3 1-0
AAI Grandmaster Chess Tournament Video


Good suggestion. I'm not looking at the position with a computer and really don't see a short or long-term plan that could exploit doubled g-pawns. It's likely still preferred to capture on 13....Nxf thought. Maybe there is some improvemnt down the line in that of 17....e5 (with d5 to follow since the d-pawns would then be backward), just trying to kick that knight from eyeing the c6 square, before b5 creates a post for him.
Victor Laznicka vs. Wesley So
http://www.youtube.com/watch?v=K-qHiQJqijw
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~Jerry~