| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. E Birens vs Y Berthelot |
| 0-1 | 51 | 1995 | Cannes Martinez Open | A69 Benoni, Four Pawns Attack, Main line |
| 27. Y Berthelot vs A Rotstein |
| 0-1 | 53 | 1995 | Cannes Martinez Open | B42 Sicilian, Kan |
| 28. J Ayombo vs Y Berthelot |
| 0-1 | 56 | 1995 | Cannes Martinez Open | E69 King's Indian, Fianchetto, Classical Main line |
| 29. Y Berthelot vs D Megy |
| 1-0 | 70 | 1995 | Cannes Martinez Open | B45 Sicilian, Taimanov |
| 30. D Sellos vs Y Berthelot |
| 1-0 | 25 | 1995 | Cannes Open | A48 King's Indian |
| 31. Y Berthelot vs P Levacic |
| ½-½ | 29 | 1995 | Cannes Open | C12 French, McCutcheon |
| 32. S Schmidt-Schaeffer vs Y Berthelot |
| 1-0 | 40 | 1995 | Cannes Open | A36 English |
| 33. Y Berthelot vs A Mauro |
| 0-1 | 40 | 1995 | Cannes Open | B77 Sicilian, Dragon, Yugoslav Attack |
| 34. G Lukasiewicz vs Y Berthelot |
| 1-0 | 17 | 1995 | Cannes Open | A45 Queen's Pawn Game |
| 35. F Guido vs Y Berthelot |
| 1-0 | 43 | 1995 | Cannes Open | B22 Sicilian, Alapin |
| 36. Y Berthelot vs O Letreguilly |
| 1-0 | 19 | 1995 | Cannes Open | B06 Robatsch |
| 37. Y Berthelot vs Y Salaun |
| 1-0 | 22 | 1995 | Cannes Open | B42 Sicilian, Kan |
| 38. D Anic vs Y Berthelot |
| 1-0 | 82 | 1997 | FRA-chTB 9697 | A15 English |
| 39. Y Berthelot vs L Bergez |
| 0-1 | 55 | 1998 | Clichy Masters | B78 Sicilian, Dragon, Yugoslav Attack, 10.castle long |
| 40. Y Berthelot vs V Lukov |
| ½-½ | 27 | 1998 | Clichy Masters | B32 Sicilian |
| 41. Y Berthelot vs L Bergez |
| 1-0 | 43 | 1998 | Cannes op | B78 Sicilian, Dragon, Yugoslav Attack, 10.castle long |
| 42. N Nikcevic vs Y Berthelot |
| 0-1 | 42 | 1998 | Paris op | E90 King's Indian |
| 43. N Nikcevic vs Y Berthelot |
| 1-0 | 41 | 1999 | Bretagne | D43 Queen's Gambit Declined Semi-Slav |
| 44. Y Berthelot vs J Degraeve |
| ½-½ | 42 | 1999 | Cappelle Open | B06 Robatsch |
| 45. Y Berthelot vs R Fontaine |
| 1-0 | 60 | 1999 | Gonfreville Master | B18 Caro-Kann, Classical |
| 46. N Nikcevic vs Y Berthelot |
| 1-0 | 41 | 1999 | Gonfreville Master | E97 King's Indian |
| 47. Y Berthelot vs N Sulava |
| 1-0 | 27 | 1999 | Gonfreville Master | B06 Robatsch |
| 48. Y Berthelot vs B Plane |
| 1-0 | 19 | 1999 | Paris-ch op | B07 Pirc |
| 49. G Kuzmin vs Y Berthelot |
| 1-0 | 32 | 2000 | Cappelle Open | B58 Sicilian |
| 50. P Reilhac vs Y Berthelot |
| 0-1 | 49 | 2000 | Paris Championship | B58 Sicilian |
Kibitzing
