Buvry, Guillaume
Current rating: 1407
| Grand Prix Lyon 2018 (modern) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 669 | Daverdon, Alexandre (1383) | Won 2-0 | +171446 |
| 2modern | 335 | Teich, David (1470) | Won 2-0 | +181464 |
| 3modern | 168 | Schweizer, Michael (1686) | Won 2-0 | +221486 |
| 4modern | 49 | Blondeau, Eliott (1598) | Lost 1-2 | -161470 |
| 5modern | 202 | Broadstone, Benjamin (1690) | Lost 0-2 | -141456 |
| 6modern | 598 | Percoco, Riccardo (1658) | Lost 1-2 | -141442 |
| 7modern | 612 | Albrecht, Fabian (1422) | Lost 1-2 | -181424 |
| 8modern | 535 | Hawlik, Nikolaus (1484) | Lost 0-2 | -171407 |
| top | average opponent: 1549record: 3-5 | new rating: 1407 | ||
| Grand Prix Paris 2009 (ZEN limited) | starting rating: 1444 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 656 | Patenotte, Aude (1500) | Won 2-1 | +191463 |
| 2sealed | 645 | Siemann, Matthias (1500) | Lost 1-2 | -171446 |
| 3sealed | 898 | Caglio, Matteo (1483) | Lost 0-2 | -171429 |
| top | average opponent: 1494record: 1-2 | new rating: 1429 | ||
| Grand Prix Brussels 2008 (SHM limited) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 233 | Dave, Pooja (1500) | Lost 0-2 | -181463 |
| 2sealed | 232 | Hennings, Philipp (1479) | Won 2-0 | +191482 |
| 3sealed | 212 | Van Audenaerde, Hans (1391) | Lost 1-2 | -201462 |
| 4sealed | 281 | Verbiest, Bart (1482) | Lost 0-2 | -181444 |
| top | average opponent: 1463record: 1-3 | new rating: 1444 | ||
| Grand Prix Paris 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 224 | Cazobon, Alexandre (1500) | Won 2-0 | +181518 |
| 2sealed | 38 | Bucourt, Thomas (1610) | Lost 0-2 | -161502 |
| 3sealed | 209 | Nadry, Stephane (1405) | Lost 0-2 | -201482 |
| 4sealed | 252 | Mathieu, Guillaume (1482) | Won 2-1 | +181500 |
| 5sealed | 165 | Jouenne, Jerome (1454) | Lost 1-2 | -191481 |
| 6sealed | 231 | Haller, Vincent (1482) | Lost 1-2 | -181463 |
| 7sealed | 191 | Jakuboicz, Alain (1462) | Won 2-1 | +181481 |
| top | average opponent: 1485record: 3-4 | new rating: 1481 | ||