Courbon, Yvan
Current rating: 1507
| Grand Prix Brussels 2004 (DST standard) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 63 | Miltenburg, Alexander (1473) | Won 2-0 | +181523 |
| 2standard | 159 | Vitu, Frederic (1518) | Won 2-1 | +171540 |
| 3standard | 73 | Hilty, Frederic (1705) | Lost 1-2 | -151525 |
| 4standard | 171 | Raynaud, Laurent (1498) | Won 2-0 | +181543 |
| 5standard | 149 | Marchi, Gregory (1539) | Lost 0-2 | -181525 |
| 6standard | 182 | Mayeur, Michael (1519) | Lost 1-2 | -181507 |
| 7standard | 178 | Julienne, Guillaume (1483) | Won 2-1 | +171524 |
| 8standard | 107 | Straetemans, Matthias (1560) | Lost 0-2 | -171507 |
| top | average opponent: 1537record: 4-4 | new rating: 1507 | ||
| Grand Prix Lyon 2003 (MRD limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 129 | Libralesso, Renaud (1518) | Lost 0-2 | -171465 |
| 3sealed | 323 | Solna, Remy (1564) | Won 2-0 | +201485 |
| 4sealed | 234 | Erdmann, Lilian (1518) | Draw 1-1 | 01485 |
| 5sealed | 196 | Kouombille, Samuel (1501) | Lost 0-2 | -181467 |
| 6sealed | 255 | Franchi, Frederick (1534) | Won 2-0 | +201487 |
| 7sealed | 170 | Espargiliere, Bastien (1513) | Won 2-0 | +181505 |
| top | average opponent: 1525record: 3-2-1 | new rating: 1505 | ||
| Grand Prix Reims 2002 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 82 | saint saens, thierry (1500) | Draw 1-1 | 01500 |
| 2extended | 210 | Biffin, Vincent (1504) | Lost 1-2 | -181482 |
| top | average opponent: 1502record: 0-1-1 | new rating: 1482 | ||