| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. D Ludwig vs M Ardaman |
| 1-0 | 36 | 2006 | US Masters op | B00 Uncommon King's Pawn Opening |
| 27. Daniel Tanco vs D Ludwig |
| 0-1 | 25 | 2006 | Foxwoods op | D02 Queen's Pawn Game |
| 28. Ftacnik vs D Ludwig |
| 1-0 | 45 | 2006 | 34th World Open | D17 Queen's Gambit Declined Slav |
| 29. D Ludwig vs J Banawa |
| 1-0 | 57 | 2006 | USA-ch U18 | C45 Scotch Game |
| 30. I Schneider vs D Ludwig |
| ½-½ | 56 | 2006 | USA-ch U18 | B84 Sicilian, Scheveningen |
| 31. R Hess vs D Ludwig |
| ½-½ | 6 | 2006 | USA-ch U18 | B53 Sicilian |
| 32. D Ludwig vs M Molner |
| ½-½ | 16 | 2006 | USA-ch U18 | B07 Pirc |
| 33. D Ludwig vs K Gulamali |
| 0-1 | 45 | 2006 | USA-ch U18 | B07 Pirc |
| 34. J Kleiman vs D Ludwig |
| ½-½ | 60 | 2006 | USA-ch U18 | B50 Sicilian |
| 35. D Ludwig vs B Coraretti |
| 1-0 | 47 | 2006 | USA-ch U18 | C45 Scotch Game |
| 36. A Maltese vs D Ludwig |
| 0-1 | 38 | 2006 | USA-ch U18 | A13 English |
| 37. S Bercys vs D Ludwig |
| 1-0 | 33 | 2006 | USA-ch U18 | E94 King's Indian, Orthodox |
| 38. D Ludwig vs Shabalov |
 | ½-½ | 90 | 2007 | 35th World Open | B33 Sicilian |
| 39. E Perelshteyn vs D Ludwig |
| 1-0 | 19 | 2007 | 35th World Open | D45 Queen's Gambit Declined Semi-Slav |
| 40. A Kunte vs D Ludwig |
| 1-0 | 39 | 2007 | 35th World Open | D10 Queen's Gambit Declined Slav |
| 41. D Ludwig vs R Akopian |
| 0-1 | 22 | 2007 | 35th World Open | B07 Pirc |
| 42. A Melekhina vs D Ludwig |
| ½-½ | 45 | 2007 | 35th World Open | A07 King's Indian Attack |
| 43. D Ludwig vs B Finegold |
| 1-0 | 32 | 2008 | FKB ch-USA Qualifier | B67 Sicilian, Richter-Rauzer Attack, 7...a6 Defense, 8...Bd7 |
| 44. D Ludwig vs E Perelshteyn |
| ½-½ | 28 | 2008 | United States Championship | C65 Ruy Lopez, Berlin Defense |
| 45. B Finegold vs D Ludwig |
| ½-½ | 26 | 2008 | United States Championship | D12 Queen's Gambit Declined Slav |
| 46. D Ludwig vs Shabalov |
| ½-½ | 32 | 2008 | United States Championship | C07 French, Tarrasch |
| 47. D E Vigorito vs D Ludwig |
| ½-½ | 50 | 2008 | United States Championship | D17 Queen's Gambit Declined Slav |
| 48. D Ludwig vs J Kraai |
| 1-0 | 45 | 2008 | United States Championship | C05 French, Tarrasch |
| 49. V Akobian vs D Ludwig |
| 1-0 | 29 | 2008 | United States Championship | D45 Queen's Gambit Declined Semi-Slav |
| 50. D Ludwig vs D Pruess |
| 0-1 | 33 | 2008 | United States Championship | C07 French, Tarrasch |
Kibitzing
