Sonck, Johan
Current rating: 1395
Record: 8-15-1
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1423 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2025 | Steinhoff, Helge (1446) | Draw 1-1 | 01423 |
| 2sealed | 2234 | Rau, Michael (1464) | Won 2-0 | +191442 |
| 3sealed | 2204 | Boskaljon, Willem (1669) | Lost 1-2 | -141428 |
| 4sealed | 2293 | Schenk, Uli (1528) | Lost 0-2 | -161412 |
| 5sealed | 2338 | Engels, Robin (1480) | Lost 1-2 | -171395 |
| top | average opponent: 1517record: 1-3-1 | new rating: 1395 | ||
| Grand Prix Hasselt 2006 (RAV limited) | starting rating: 1436 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 16 | Gheerardijn, Andy (1500) | Lost 0-2 | -171419 |
| 2sealed | 196 | Krion, Adrian (1446) | Won 2-0 | +181437 |
| 3sealed | 148 | Fuellhase, Tobias (1631) | Lost 1-2 | -141423 |
| top | average opponent: 1526record: 1-2 | new rating: 1423 | ||
| Grand Prix Antwerp 2002 (TOR limited) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 77 | de Vries, Jan (1465) | Lost 0-2 | -181469 |
| 2sealed | 254 | Delbaere, Marc (1484) | Lost 0-2 | -181451 |
| 3sealed | 260 | Kohl, Reinhold (1557) | Lost 0-2 | -161435 |
| 4sealed | 270 | Vanormelingen, John (1410) | Won 2-0 | +171452 |
| 5sealed | 214 | Geerdink, Bas (1519) | Lost 0-2 | -161436 |
| top | average opponent: 1487record: 1-4 | new rating: 1436 | ||
| Grand Prix Cologne 2001 (PLS limited) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 99 | Dogan, Timur (1505) | Won 2-0 | +181523 |
| 2sealed | 11 | Hoffmann, Marc (1518) | Lost 0-2 | -191504 |
| 3sealed | 195 | Rohart, Stephane (1542) | Lost 0-2 | -171487 |
| top | average opponent: 1522record: 1-2 | new rating: 1487 | ||
| Grand Prix Amsterdam 2001 (INV limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 129 | Vitiello, Nikolaus (1500) | Won 2-1 | +181500 |
| 2sealed | 156 | Wennberg, Nicklas (1502) | Won 2-1 | +181518 |
| 3sealed | 42 | Bell, Markus (1769) | Lost 0-2 | -131505 |
| top | average opponent: 1590record: 2-1 | new rating: 1505 | ||
| Grand Prix Tours 1999 (MMQ limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 162 | Fornara, Mickael (1500) | Won 2-1 | +181518 |
| 2sealed | 177 | Samson, Florian (1518) | Lost 1-2 | -181500 |
| 3sealed | 48 | Tzaneteas, Elliott (1500) | Won 2-0 | +181518 |
| 4sealed | 104 | Onal, Ali (1501) | Lost 0-2 | -181500 |
| 5sealed | 64 | Appery, Erwan (1500) | Lost 1-2 | -181482 |
| top | average opponent: 1504record: 2-3 | new rating: 1482 | ||