| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. Ulf Andersson vs B Roselli Mailhe |
| 1-0 | 44 |
2001 |
1st Masters | E67 King's Indian, Fianchetto |
| 27. J Hobaica vs B Roselli Mailhe |
| ½-½ | 49 |
2001 |
1st Masters | C71 Ruy Lopez |
| 28. E Prieto vs B Roselli Mailhe |
| 0-1 | 45 |
2001 |
I American Continental | C75 Ruy Lopez, Modern Steinitz Defense |
| 29. S Granara Barreto vs B Roselli Mailhe |
| 0-1 | 29 |
2001 |
ch-URU | E60 King's Indian Defense |
| 30. B Roselli Mailhe vs G Kanefsck |
| 1-0 | 64 |
2001 |
zt 2.5 | B18 Caro-Kann, Classical |
| 31. P Ricardi vs B Roselli Mailhe |
 | 0-1 | 29 |
2001 |
1st Masters | E97 King's Indian |
| 32. B Roselli Mailhe vs Rafael Arrubarrena |
| 1-0 | 31 |
2001 |
I American Continental | B24 Sicilian, Closed |
| 33. S Slipak vs B Roselli Mailhe |
| 1-0 | 51 |
2001 |
32nd Open | E72 King's Indian |
| 34. B Roselli Mailhe vs R Muniz |
| 1-0 | 31 |
2001 |
ch-URU | A43 Old Benoni |
| 35. B Roselli Mailhe vs J Pierrot |
| ½-½ | 49 |
2001 |
zt 2.5 | D02 Queen's Pawn Game |
| 36. B Roselli Mailhe vs A Hoffman |
| ½-½ | 10 |
2001 |
1st Masters | B25 Sicilian, Closed |
| 37. B Roselli Mailhe vs J Renteria |
| 0-1 | 53 |
2001 |
I American Continental | B25 Sicilian, Closed |
| 38. B Roselli Mailhe vs M Crosa |
| 1-0 | 34 |
2001 |
ch-URU | D43 Queen's Gambit Declined Semi-Slav |
| 39. J Rosito vs B Roselli Mailhe |
| 1-0 | 48 |
2001 |
zt 2.5 | C45 Scotch Game |
| 40. B Roselli Mailhe vs L Liascovich |
| 1-0 | 49 |
2001 |
ITT Cono Sur | B32 Sicilian |
| 41. B Roselli Mailhe vs J Szmetan |
| 0-1 | 38 |
2001 |
1st Masters | C80 Ruy Lopez, Open |
| 42. F Fiorito vs B Roselli Mailhe |
| 0-1 | 41 |
2001 |
32nd Open | A07 King's Indian Attack |
| 43. M Larrea vs B Roselli Mailhe |
| 0-1 | 42 |
2001 |
ch-URU | E86 King's Indian, Samisch, Orthodox, 7.Nge2 c6 |
| 44. J Cubas vs B Roselli Mailhe |
| ½-½ | 27 |
2001 |
zt 2.5 | C20 King's Pawn Game |
| 45. Panno vs B Roselli Mailhe |
| ½-½ | 16 |
2001 |
1st Masters | E60 King's Indian Defense |
| 46. A Zapata vs B Roselli Mailhe |
| 1-0 | 48 |
2001 |
I American Continental | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 47. J Escofet vs B Roselli Mailhe |
| 0-1 | 37 |
2001 |
ch-URU | C72 Ruy Lopez, Modern Steinitz Defense, 5.O-O |
| 48. B Roselli Mailhe vs R Felgaer |
| 0-1 | 74 |
2001 |
zt 2.5 | A04 Reti Opening |
| 49. B Roselli Mailhe vs Arias Bouzada, Jorge |
| 1-0 | 38 |
2001 |
URU-chT Interclubes | B32 Sicilian |
| 50. S Giardelli vs B Roselli Mailhe |
| 1-0 | 35 |
2001 |
1st Masters | A15 English |