| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. R Hungaski vs D Lemos |
| 0-1 | 50 | 2005 | Villa Ballester LV op | C18 French, Winawer |
| 27. D Lemos vs P Michalik |
| ½-½ | 26 | 2005 | Wch U16 | E36 Nimzo-Indian, Classical |
| 28. G Rohit vs D Lemos |
| 1-0 | 77 | 2005 | Wch U16 | C16 French, Winawer |
| 29. N Nguyen vs D Lemos |
 | 1-0 | 40 | 2005 | Wch U16 | A45 Queen's Pawn Game |
| 30. N Ronchetti vs D Lemos |
| 1-0 | 44 | 2005 | Wch U16 | C02 French, Advance |
| 31. N Delgado Ramirez vs D Lemos |
| 1-0 | 38 | 2005 | American Continental | C00 French Defense |
| 32. D Lemos vs F Parrilli |
| 1-0 | 46 | 2005 | American Continental | E32 Nimzo-Indian, Classical |
| 33. D Lemos vs L Liascovich |
| ½-½ | 33 | 2005 | American Continental | D91 Grunfeld, 5.Bg5 |
| 34. R Vera vs D Lemos |
| ½-½ | 26 | 2005 | American Continental | E99 King's Indian, Orthodox, Taimanov |
| 35. D Lemos vs C Dolezal |
| 0-1 | 36 | 2005 | American Continental | B00 Uncommon King's Pawn Opening |
| 36. D Lemos vs D Valerga |
| ½-½ | 42 | 2005 | American Continental | E32 Nimzo-Indian, Classical |
| 37. J C Gonzalez Zamora vs D Lemos |
| ½-½ | 72 | 2005 | American Continental | E60 King's Indian Defense |
| 38. R Duje vs D Lemos |
| ½-½ | 51 | 2005 | American Continental | A45 Queen's Pawn Game |
| 39. D Lemos vs A Orsini |
| ½-½ | 53 | 2005 | American Continental | E63 King's Indian, Fianchetto, Panno Variation |
| 40. D Lemos vs R Hungaski |
| ½-½ | 46 | 2005 | Sao Paulo op | D05 Queen's Pawn Game |
| 41. J F Cubas vs D Lemos |
| 1-0 | 40 | 2005 | Sao Paulo op | C10 French |
| 42. D Lemos vs A Giaccio |
| ½-½ | 17 | 2006 | Buenos Aires-ch qual | A40 Queen's Pawn Game |
| 43. L Perdomo vs D Lemos |
| 0-1 | 26 | 2006 | Corporacion del Sur-B | E81 King's Indian, Samisch |
| 44. P Ricardi vs D Lemos |
| ½-½ | 25 | 2007 | Abierto | E97 King's Indian |
| 45. D Lemos vs K Mekhitarian |
| 0-1 | 41 | 2007 | III South American Ch U20 | E12 Queen's Indian |
| 46. F Perez Ponsa vs D Lemos |
| 0-1 | 66 | 2007 | III South American Ch U20 | B62 Sicilian, Richter-Rauzer |
| 47. D Di Berardino vs D Lemos |
| ½-½ | 33 | 2007 | III South American Ch U20 | B62 Sicilian, Richter-Rauzer |
| 48. J Blit vs D Lemos |
| ½-½ | 40 | 2007 | III South American Ch U20 | A10 English |
| 49. D Lemos vs N Mayorga |
| 0-1 | 42 | 2007 | III South American Ch U20 | A40 Queen's Pawn Game |
| 50. D Lemos vs A Ambrogi |
| 0-1 | 51 | 2007 | III South American Ch U20 | D37 Queen's Gambit Declined |
Kibitzing
