Belfis, Mathieu
Current rating: 1427
Record: 9-15-1
| Grand Prix Stockholm 2018 (modern) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 291 | Vikstrom, Christofer (1583) | Won 2-0 | +201466 |
| 2modern | 239 | Zhang, Yin (1798) | Lost 1-2 | -121454 |
| 3modern | 318 | Ljungberg, Jonas (1629) | Lost 0-2 | -151439 |
| 4modern | 447 | Linden, Mikael (1800) | Lost 1-2 | -121427 |
| top | average opponent: 1702record: 1-3 | new rating: 1427 | ||
| Grand Prix Lyon 2018 (modern) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 267 | Viik, Allan (1528) | Lost 1-2 | -181481 |
| 2modern | 500 | Rau, Kai (1503) | Lost 0-2 | -171464 |
| 3modern | 997 | Levy, Samuel (1461) | Lost 1-2 | -181446 |
| top | average opponent: 1497record: 0-3 | new rating: 1446 | ||
| Grand Prix Lille 2016 (modern) | starting rating: 1551 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 54 | Thomann, Matthias (1500) | Won 2-0 | +171568 |
| 2modern | 86 | Pilliard, Aurelien (1610) | Lost 0-2 | -171551 |
| 3modern | 501 | Schneider, Tim (1592) | Lost 0-2 | -171534 |
| 4modern | 705 | Nolan, Bevan (1633) | Lost 1-2 | -161518 |
| 5modern | 756 | Heynen van Essen, Jeremy (1465) | Lost 0-2 | -191499 |
| top | average opponent: 1560record: 1-4 | new rating: 1499 | ||
| Grand Prix Strasbourg 2014 (KTK limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 38 | Liger, Jeremy (1463) | Won 2-0 | +181481 |
| 2sealed | 34 | Jourdain, Timothee (1518) | Draw 1-1 | +11482 |
| 3sealed | 236 | Lorenz, Maximilian (1632) | Won 2-1 | +211503 |
| 4sealed | 118 | Reling, Andreas (1679) | Lost 0-2 | -151488 |
| 5sealed | 213 | Weber, Johannes (1519) | Lost 1-2 | -181470 |
| 6sealed | 285 | Marcotti, Emanuele (1836) | Won 2-1 | +251495 |
| 7sealed | 204 | Berthod, Jeremie (1528) | Won 2-0 | +181513 |
| 8sealed | 141 | Widmer, Lorenz (1632) | Won 2-0 | +201533 |
| 9sealed | 95 | Brunet, Jonathan (1533) | Won 2-0 | +181551 |
| top | average opponent: 1593record: 6-2-1 | new rating: 1551 | ||
| Grand Prix Brussels 2010 (WWK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 732 | Verstraeten, Kris (1484) | Won 2-0 | +181518 |
| 2standard | 761 | Furby, Mats (1453) | Lost 0-2 | -191499 |
| 3standard | 815 | Spenner, Dennis (1493) | Lost 1-2 | -191480 |
| 4standard | 886 | Martin, Francois (1517) | Lost 1-2 | -171463 |
| top | average opponent: 1487record: 1-3 | new rating: 1463 | ||