Mattes, Sven
Current rating: 1517
Record: 8-7-1
| Grand Prix Heidelberg 2002 (TOR limited) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 247 | Steffl, Michael (1500) | Lost 0-1 | -181481 |
| 2sealed | 319 | Gehring, Peter (1482) | Won 2-0 | +181499 |
| 3sealed | 234 | Deloffre, Thomas (1501) | Lost 1-2 | -181481 |
| 4sealed | 337 | Richter, Stefan (1519) | Lost 0-1 | -171464 |
| 5sealed | 310 | Flaender, Christian (1463) | Won 2-0 | +181482 |
| 6sealed | 234 | Schlatter, Urs (1439) | Draw 1-1 | -11481 |
| 7sealed | 182 | Farnusch, Scharwin (1501) | Won 2-1 | +181499 |
| 8sealed | 131 | Rottger, Daniel (1501) | Won 2-0 | +181517 |
| average opponent: 1488record: 4-3-1 | new rating: 1517 | |||
| Grand Prix Prague 2001 (PLS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 57 | Jaroslavs, Ligos (1500) | Won 2-0 | +181518 |
| 2sealed | 71 | Szakos, Roland (1483) | Lost 0-2 | -191499 |
| 3sealed | 157 | Korosi, David (1494) | Won 2-0 | +181517 |
| 4sealed | 151 | Strubelj, Gregor (1558) | Lost 0-2 | -171500 |
| 5sealed | 162 | Frost, Holger (1451) | Lost 1-2 | -191481 |
| 6sealed | 207 | Mecl, David (1482) | Won 2-1 | +181499 |
| 7sealed | 169 | Weber, Antonin (1500) | Won 2-1 | +181517 |
| 8sealed | 108 | Borek, Ales (1514) | Lost 0-2 | -181499 |
| average opponent: 1498record: 4-4 | new rating: 1499 | |||