Matthee, Simon
Current rating: 1432
| Grand Prix Prague 2011 (NPH limited) | starting rating: 1428 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 508 | Boyko, Andrey (1560) | Won 2-0 | +201448 |
| 2sealed | 626 | Zigo, Peter (1518) | Lost 0-2 | -161432 |
| top | average opponent: 1539record: 1-1 | new rating: 1432 | ||
| Grand Prix Bochum 2010 (SOM limited) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 594 | Klingels, Dominik (1500) | Won 2-0 | +191448 |
| 2sealed | 538 | Hunger, Katharina (1518) | Lost 0-2 | -161432 |
| 3sealed | 757 | Kelterbaum, Catherine (1163) | Won 2-1 | +131445 |
| 4sealed | 672 | Hopf, Marco (1519) | Lost 0-2 | -171428 |
| top | average opponent: 1425record: 2-2 | new rating: 1428 | ||
| Grand Prix Hanover 2009 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 83 | Pulin, Romuald (1506) | Lost 0-2 | -181482 |
| 2extended | 157 | Storm, Henrik F (1482) | Won 2-1 | +181500 |
| 3extended | 160 | Stuckler, Thomas (1533) | Lost 0-2 | -171483 |
| 4extended | 199 | Lier, Malte (1483) | Lost 0-0 | -181465 |
| 5extended | 187 | Sablatura, Tom (1464) | Won 2-1 | +181483 |
| 6extended | 152 | Bauer, Maximilian (1501) | Lost 0-2 | -181465 |
| 7extended | 149 | Kiehn, Manuel (1463) | Lost 0-2 | -181447 |
| 8extended | 131 | Puttnins, Christoph (1445) | Lost 0-2 | -181429 |
| top | average opponent: 1485record: 2-6 | new rating: 1429 | ||