| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. D Flores vs P Lafuente |
| ½-½ | 28 | 2003 | ARG-ch U26 | A12 English with b3 |
| 27. P Lafuente vs M Abarca Aguirre |
| 1-0 | 47 | 2003 | Mar del Plata op 34th | E11 Bogo-Indian Defense |
| 28. P Lafuente vs L Perdomo |
| 1-0 | 32 | 2003 | ARG-ch U20 | A10 English |
| 29. P Lafuente vs E Scarella |
| ½-½ | 31 | 2003 | Vicente Lopez Magistral 6th | E60 King's Indian Defense |
| 30. J F Cubas vs P Lafuente |
| 1-0 | 28 | 2003 | Vicente Lopez Magistral 6th | B93 Sicilian, Najdorf, 6.f4 |
| 31. L Burijovich vs P Lafuente |
| ½-½ | 73 | 2003 | American Continental | B90 Sicilian, Najdorf |
| 32. P Lafuente vs O Di Diego |
| 1-0 | 40 | 2003 | American Continental | E97 King's Indian |
| 33. L Duarte vs P Lafuente |
| 0-1 | 16 | 2003 | American Continental | B94 Sicilian, Najdorf |
| 34. P Lafuente vs L Bruzon Batista |
 | 1-0 | 49 | 2003 | American Continental | E38 Nimzo-Indian, Classical, 4...c5 |
| 35. Gulko vs P Lafuente |
| ½-½ | 17 | 2003 | American Continental | A37 English, Symmetrical |
| 36. P Lafuente vs I Morovic Fernandez |
| ½-½ | 20 | 2003 | American Continental | D47 Queen's Gambit Declined Semi-Slav |
| 37. G Milos vs P Lafuente |
| 1-0 | 52 | 2003 | American Continental | B92 Sicilian, Najdorf, Opocensky Variation |
| 38. P Lafuente vs R Szmetan |
| ½-½ | 54 | 2003 | American Continental | A44 Old Benoni Defense |
| 39. P Lafuente vs A Wojtkiewicz |
| 0-1 | 46 | 2003 | American Continental | D10 Queen's Gambit Declined Slav |
| 40. H Frey Perez vs P Lafuente |
| 0-1 | 19 | 2003 | American Continental | A20 English |
| 41. D Varela vs P Lafuente |
| 0-1 | 36 | 2003 | Argentine Championship | A75 Benoni, Classical with ...a6 and 10...Bg4 |
| 42. P Lafuente vs B Altamirano |
| ½-½ | 49 | 2003 | Argentine Championship | E60 King's Indian Defense |
| 43. L Bronstein vs P Lafuente |
| ½-½ | 29 | 2003 | Argentine Championship | B96 Sicilian, Najdorf |
| 44. P Lafuente vs D Mussanti |
| 1-0 | 33 | 2003 | Argentine Championship | D85 Grunfeld |
| 45. C Dolezal vs P Lafuente |
| 1-0 | 56 | 2003 | Argentine Championship | A07 King's Indian Attack |
| 46. P Lafuente vs A Giampa |
| 1-0 | 31 | 2003 | Argentine Championship | A40 Queen's Pawn Game |
| 47. J Szmetan vs P Lafuente |
| 0-1 | 38 | 2003 | Argentine Championship | A07 King's Indian Attack |
| 48. P Lafuente vs D Flores |
| 1-0 | 68 | 2003 | Argentine Championship | A41 Queen's Pawn Game (with ...d6) |
| 49. S Giardelli vs P Lafuente |
| ½-½ | 13 | 2003 | Argentine Championship | A46 Queen's Pawn Game |
| 50. V Daskevich Berg vs P Lafuente |
| ½-½ | 30 | 2003 | Wch U18 | A37 English, Symmetrical |
Kibitzing
