| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. G Needleman vs Y Quezada |
| 1-0 | 65 |
2005 |
American Continental Championship | B92 Sicilian, Najdorf, Opocensky Variation |
| 27. G Needleman vs P Ricardi |
| 0-1 | 44 |
2005 |
Argentinean Championship | B92 Sicilian, Najdorf, Opocensky Variation |
| 28. D Valerga vs G Needleman |
| ½-½ | 27 |
2005 |
American Continental Championship | B48 Sicilian, Taimanov Variation |
| 29. G Needleman vs A Needleman |
| ½-½ | 10 |
2005 |
American Continental | A07 King's Indian Attack |
| 30. G Needleman vs G Soppe |
| 0-1 | 36 |
2005 |
Argentinean Championship | B02 Alekhine's Defense |
| 31. G Needleman vs Grischuk |
 | 0-1 | 79 |
2005 |
FIDE World Cup | C53 Giuoco Piano |
| 32. G Needleman vs A Sorin |
 | 1-0 | 45 |
2005 |
American Continental Championship | C50 Giuoco Piano |
| 33. P Lafuente vs G Needleman |
| ½-½ | 83 |
2005 |
Argentinean Championship | E62 King's Indian, Fianchetto |
| 34. G Needleman vs D Lima |
| ½-½ | 11 |
2005 |
American Continental Championship | B04 Alekhine's Defense, Modern |
| 35. G Needleman vs J Pierrot |
| 0-1 | 43 |
2005 |
Argentinean Championship | B08 Pirc, Classical |
| 36. Karpov vs G Needleman |
 | 0-1 | 96 |
2005 |
Simul | E62 King's Indian, Fianchetto |
| 37. G Soppe vs G Needleman |
| 0-1 | 52 |
2005 |
American Continental Championship | B26 Sicilian, Closed, 6.Be3 |
| 38. G Needleman vs S Alonso |
 | 1-0 | 29 |
2005 |
Argentinean Championship | B34 Sicilian, Accelerated Fianchetto |
| 39. G Needleman vs R Hungaski |
| 1-0 | 36 |
2006 |
Copa Mercosur | C77 Ruy Lopez |
| 40. ZAP! Chess vs G Needleman |
| 1-0 | 31 |
2006 |
Copa Mercosur | C41 Philidor Defense |
| 41. M Latorre vs G Needleman |
| 0-1 | 30 |
2007 |
III South American Ch U20 | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 42. G Needleman vs J Cori |
| 1-0 | 32 |
2007 |
III South American Ch U20 | C64 Ruy Lopez, Classical |
| 43. G Needleman vs J Blit |
| 0-1 | 22 |
2007 |
III South American Ch U20 | A00 Uncommon Opening |
| 44. S Mareco vs G Needleman |
| 1-0 | 51 |
2007 |
III South American Ch U20 | A70 Benoni, Classical with 7.Nf3 |
| 45. C Goldwaser vs G Needleman |
| 1-0 | 36 |
2007 |
III South American Ch U20 | E91 King's Indian |
| 46. G Needleman vs A Ambrogi |
| 1-0 | 42 |
2007 |
III South American Ch U20 | D52 Queen's Gambit Declined |
| 47. G Needleman vs R Garnier |
| 1-0 | 32 |
2007 |
III South American Ch U20 | B01 Scandinavian |
| 48. G Needleman vs K Mekhitarian |
| ½-½ | 8 |
2007 |
III South American Ch U20 | D09 Queen's Gambit Declined, Albin Counter Gambit, 5.g3 |
| 49. E Cordova vs G Needleman |
 | 1-0 | 44 |
2007 |
III South American Ch U20 | A43 Old Benoni |