| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. E Real de Azua vs P Lafuente |
| 1-0 | 34 |
2004 |
79th Argentine Championship | B40 Sicilian |
| 27. P Lafuente vs Josep M Lopez |
| 0-1 | 60 |
2004 |
Capablanca Memorial PREMIER I | E91 King's Indian |
| 28. C Lujan vs P Lafuente |
| ½-½ | 28 |
2004 |
79th Argentine Championship | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 29. P Lafuente vs L M Perez Monteaguado |
| 1-0 | 59 |
2004 |
Capablanca Memorial PREMIER I | D08 Queen's Gambit Declined, Albin Counter Gambit |
| 30. P Lafuente vs A De Dovitiis |
| ½-½ | 30 |
2004 |
79th Argentine Championship | D35 Queen's Gambit Declined |
| 31. R Vera vs P Lafuente |
| 0-1 | 47 |
2004 |
Capablanca Memorial PREMIER I | E42 Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein) |
| 32. P Lafuente vs S Garcia-Martinez |
| 0-1 | 24 |
2004 |
Capablanca Memorial PREMIER I | E32 Nimzo-Indian, Classical |
| 33. P Lafuente vs A Needleman |
| ½-½ | 35 |
2004 |
79th Argentine Championship | A58 Benko Gambit |
| 34. D Otero vs P Lafuente |
| 0-1 | 34 |
2004 |
Capablanca Memorial PREMIER I | A70 Benoni, Classical with 7.Nf3 |
| 35. R Cristobal vs P Lafuente |
 | 0-1 | 37 |
2004 |
79th Argentine Championship | B26 Sicilian, Closed, 6.Be3 |
| 36. P Lafuente vs H Hernandez |
 | 0-1 | 119 |
2004 |
Capablanca Memorial PREMIER I | E32 Nimzo-Indian, Classical |
| 37. Larsen vs P Lafuente |
 | 0-1 | 59 |
2004 |
Pinamar | A30 English, Symmetrical |
| 38. R Slobodjan vs P Lafuente |
 | 1-0 | 44 |
2004 |
Capablanca Memorial PREMIER I | B23 Sicilian, Closed |
| 39. L Fusco vs P Lafuente |
| ½-½ | 27 |
2004 |
79th Argentine Championship | B49 Sicilian, Taimanov Variation |
| 40. P Lafuente vs Jose Gonzalez |
| 0-1 | 32 |
2004 |
Capablanca Memorial PREMIER I | E33 Nimzo-Indian, Classical |
| 41. P Lafuente vs Miguel Reta |
| 1-0 | 45 |
2004 |
79th Argentine Championship | E32 Nimzo-Indian, Classical |
| 42. P Lafuente vs M Gongora |
 | 1-0 | 94 |
2004 |
Capablanca Memorial PREMIER I | E34 Nimzo-Indian, Classical, Noa Variation |
| 43. P Lafuente vs R Perez |
 | 1-0 | 31 |
2004 |
Capablanca Memorial PREMIER I | D15 Queen's Gambit Declined Slav |
| 44. P Lafuente vs B Altamirano |
| 1-0 | 34 |
2004 |
79th Argentine Championship | A77 Benoni, Classical, 9...Re8, 10.Nd2 |
| 45. P Lafuente vs G Needleman |
| 1-0 | 64 |
2005 |
American Continental Championship | E68 King's Indian, Fianchetto, Classical Variation, 8.e4 |
| 46. S Alonso vs P Lafuente |
| ½-½ | 38 |
2005 |
Argentinean Championship | B87 Sicilian, Fischer-Sozin with ...a6 and ...b5 |
| 47. P Lafuente vs S Slipak |
| 1-0 | 40 |
2005 |
Mercosur Cup | E04 Catalan, Open, 5.Nf3 |
| 48. A Rodriguez vs P Lafuente |
| 1-0 | 26 |
2005 |
Mercosur Cup | A02 Bird's Opening |
| 49. P Lafuente vs W Arencibia |
| 0-1 | 45 |
2005 |
American Continental Championship | D30 Queen's Gambit Declined |
| 50. P Lafuente vs G Needleman |
| ½-½ | 83 |
2005 |
Argentinean Championship | E62 King's Indian, Fianchetto |