| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. E Bricard vs C Marcelin |
| 1-0 | 74 |
2002 |
French Championships | B23 Sicilian, Closed |
| 27. Fressinet vs C Marcelin |
| ½-½ | 29 |
2002 |
French Championships | D55 Queen's Gambit Declined |
| 28. C Marcelin vs Bacrot |
| 1-0 | 40 |
2002 |
French Championships | B30 Sicilian |
| 29. Degraeve vs C Marcelin |
 | 0-1 | 48 |
2002 |
French Championships | C37 King's Gambit Accepted |
| 30. Arkell vs C Marcelin |
| 1-0 | 57 |
2002 |
Montpellier Open | A36 English |
| 31. C Marcelin vs A Skripchenko-Lautier |
| ½-½ | 60 |
2002 |
French Championships | D27 Queen's Gambit Accepted, Classical |
| 32. C Marcelin vs R Fontaine |
| 0-1 | 32 |
2002 |
French Championships | A11 English, Caro-Kann Defensive System |
| 33. C Marcelin vs Dorfman |
| ½-½ | 17 |
2002 |
French Championships | C53 Giuoco Piano |
| 34. M Brodsky vs C Marcelin |
| 1-0 | 31 |
2002 |
Cap d'Agde CCAS op | C67 Ruy Lopez |
| 35. A Sokolov vs C Marcelin |
| ½-½ | 68 |
2002 |
French Championships | C67 Ruy Lopez |
| 36. Lautier vs C Marcelin |
| 1-0 | 35 |
2002 |
French Championships | C11 French |
| 37. C Marcelin vs J Lechtynsky |
| ½-½ | 37 |
2002 |
BL2-Sued 0203 | E39 Nimzo-Indian, Classical, Pirc Variation |
| 38. C Marcelin vs C Bauer |
| ½-½ | 53 |
2002 |
French Championships | A20 English |
| 39. C Marcelin vs Vaisser |
| ½-½ | 58 |
2002 |
French Championships | D35 Queen's Gambit Declined |
| 40. C Marcelin vs I Asmundsson |
| 1-0 | 52 |
2003 |
4th IECC | D45 Queen's Gambit Declined Semi-Slav |
| 41. C Marcelin vs E Karadeniz |
| 1-0 | 29 |
2003 |
4th IECC | D10 Queen's Gambit Declined Slav |
| 42. C Marcelin vs N Kiseleva |
| 0-1 | 35 |
2003 |
Cappelle La Grande | C07 French, Tarrasch |
| 43. Mamedyarov vs C Marcelin |
| 1-0 | 50 |
2003 |
4th IECC | D41 Queen's Gambit Declined, Semi-Tarrasch |
| 44. C Marcelin vs Naiditsch |
| ½-½ | 29 |
2003 |
4th IECC | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 45. O Korneev vs C Marcelin |
| 1-0 | 36 |
2003 |
4th IECC | C67 Ruy Lopez |
| 46. R Ruck vs C Marcelin |
| ½-½ | 15 |
2003 |
4th IECC | A04 Reti Opening |
| 47. Rublevsky vs C Marcelin |
| 1-0 | 35 |
2003 |
4th IECC | C45 Scotch Game |
| 48. C Marcelin vs A Olcayoz |
| 1-0 | 36 |
2003 |
4th IECC | C47 Four Knights |
| 49. C Marcelin vs Istratescu |
| ½-½ | 37 |
2003 |
4th IECC | E34 Nimzo-Indian, Classical, Noa Variation |
| 50. Kasimdzhanov vs C Marcelin |
| 1-0 | 30 |
2003 |
Bundesliga 0304 | D45 Queen's Gambit Declined Semi-Slav |