Collin, Thorsten
Current rating: 1462
Record: 13-17
| Grand Prix Utrecht 2014 (M15 standard) | starting rating: 1439 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 216 | Wonkhaus, Mark (1537) | Won 2-1 | +201459 |
| 4standard | 106 | Wilks, John-Joseph (1683) | Won 2-0 | +221481 |
| 5standard | 23 | Calligaro, Laurent (1711) | Won 2-0 | +221503 |
| 6standard | 35 | Paulmaier, Benjamin (1819) | Lost 0-2 | -131490 |
| 7standard | 67 | Riede, Nils (1612) | Lost 0-2 | -161474 |
| 8standard | 174 | Dickmann, Fabian (1796) | Lost 1-2 | -121462 |
| top | average opponent: 1693record: 3-3 | new rating: 1462 | ||
| Grand Prix Bochum 2012 (RTR standard) | starting rating: 1452 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 636 | Lauryssen, Willem (1562) | Lost 1-2 | -161436 |
| 2standard | 744 | Thesing, Tobias (1482) | Won 2-0 | +191455 |
| 3standard | 696 | Schmidt, Jan Ulrich (1467) | Lost 1-2 | -181437 |
| 4standard | 870 | Hoff, Dirk (1495) | Won 2-0 | +191456 |
| 5standard | 807 | Sjoukens, Martijn (1493) | Lost 1-2 | -171439 |
| top | average opponent: 1500record: 2-3 | new rating: 1439 | ||
| Grand Prix Prague 2011 (NPH limited) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 682 | Graefling, Beat (1494) | Lost 0-2 | -181470 |
| 2sealed | 728 | Holtzberg, Julius (1524) | Lost 1-2 | -171453 |
| 3sealed | 732 | Horvath, Jozef (1464) | Won 2-1 | +181471 |
| 4sealed | 751 | Hajek, Tomas (1386) | Lost 0-2 | -191452 |
| top | average opponent: 1467record: 1-3 | new rating: 1452 | ||
| Grand Prix Bochum 2010 (SOM limited) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 51 | Buddeus, Jorg (1467) | Won 2-0 | +181504 |
| 2sealed | 6 | Bovenschen, Chris (1482) | Lost 1-2 | -191485 |
| 3sealed | 244 | Reker, Benjamin (1500) | Lost 1-2 | -171468 |
| 4sealed | 309 | Kipfstuhl, Hans (1483) | Won 2-0 | +181486 |
| 5sealed | 220 | Liu, Jeff (1558) | Won 2-0 | +191505 |
| 6sealed | 226 | Bisterfeld, Martin (1554) | Lost 1-2 | -171488 |
| top | average opponent: 1507record: 3-3 | new rating: 1488 | ||
| Grand Prix Brussels 2010 (WWK standard) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 5 | Kaltsas, Kostas (1510) | Won 2-1 | +181500 |
| 2standard | 108 | Feyand, Florian (1581) | Won 2-0 | +201520 |
| 3standard | 31 | Op De Beeck, David (1533) | Lost 0-2 | -181502 |
| 4standard | 168 | Meertens, Job (1696) | Lost 0-2 | -151487 |
| 5standard | 264 | Duparcq, Guy (1441) | Won 2-1 | +181505 |
| 6standard | 172 | Sargos, Nicolas (1487) | Lost 0-2 | -191486 |
| top | average opponent: 1541record: 3-3 | new rating: 1486 | ||
| Grand Prix Rotterdam 2009 (CON limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 37 | Poelman, Ed (1500) | Lost 1-2 | -181482 |
| 2sealed | 202 | Fleischmann, Thomas (1411) | Won 2-0 | +171499 |
| 3sealed | 196 | Cavez, Benoit (1551) | Lost 0-2 | -171482 |
| top | average opponent: 1487record: 1-2 | new rating: 1482 | ||