Ruiterkamp, Gerwin
Current rating: 1584
Record: 19-14-1
| Grand Prix Lille 2015 (legacy) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 195 | AUGUSTIN, Eric (1500) | Lost 1-2 | -181506 |
| 2legacy | 566 | Eckrodt, Dennis (1482) | Won 2-1 | +171523 |
| 3legacy | 531 | Hengefeld, Jasper (1586) | Won 2-0 | +191542 |
| 4legacy | 456 | Sjodahl, Gottfrid (1644) | Won 2-1 | +201562 |
| 5legacy | 288 | DANIS, Michael (1543) | Won 2-0 | +181580 |
| 6legacy | 98 | Chhen, Patrick (1737) | Won 2-0 | +211601 |
| 7legacy | 78 | Drouard, Julien (1589) | Won 2-1 | +171618 |
| 8legacy | 22 | Tetzlaff, Leonard (1733) | Lost 0-2 | -151603 |
| 9legacy | 127 | Fitzpatrick, Sean (1562) | Lost 1-2 | -191584 |
| top | average opponent: 1597record: 6-3 | new rating: 1584 | ||
| Grand Prix Strasbourg 2013 (legacy) | starting rating: 1586 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 123 | Eberharter, Daniel (1500) | Lost 1-2 | -201566 |
| 2legacy | 437 | Dahlke, Philipp (1527) | Lost 0-2 | -181548 |
| 3legacy | 498 | Carballido, Samuel (1462) | Lost 0-0 | -201528 |
| 4legacy | 633 | Jacque, Charlotte (1345) | Won 2-0 | +151543 |
| 5legacy | 591 | Cheng, Theo (1498) | Lost 1-2 | -191524 |
| top | average opponent: 1467record: 1-4 | new rating: 1524 | ||
| Grand Prix Rotterdam 2009 (CON limited) | starting rating: 1599 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 485 | Hugen, Mark (1315) | Lost 0-2 | -231576 |
| 2sealed | 642 | Cheung, Yiu Ting (1467) | Won 2-0 | +161592 |
| 3sealed | 566 | Dhaenens, Jean-jacque (1448) | Won 2-0 | +151607 |
| 4sealed | 582 | Groote, Ruud (1517) | Won 2-1 | +161623 |
| 5sealed | 459 | Langer, Tomas (1665) | Lost 1-2 | -171606 |
| 6sealed | 536 | Lorenz, Jan (1490) | Lost 0-2 | -201586 |
| top | average opponent: 1484record: 3-3 | new rating: 1586 | ||
| Grand Prix Dortmund 2006 (GPT limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 100 | Buddeus, Jorg (1500) | Lost 1-2 | -181482 |
| 2sealed | 182 | Mechtersheimer, Thomas (1487) | Won 2-0 | +181500 |
| 3sealed | 138 | Borger, Gundolf (1289) | Won 2-1 | +141514 |
| 4sealed | 90 | Mertens, Lucas (1523) | Won 2-1 | +181532 |
| 5sealed | 38 | Mokrusch, Kai (1554) | Won 2-0 | +191551 |
| 6sealed | 30 | Pierre, Sylvain (1666) | Won 2-1 | +201571 |
| 7sealed | 14 | Klings, Rudiger (1662) | Won 2-1 | +201591 |
| 8sealed | 17 | Tomelitsch, Patrick (1859) | Draw 1-1 | +41595 |
| 9sealed | 15 | Hebky, Michal (1586) | ID | 01595 |
| 10draft | 17 | Thaler, Sebastian (1686) | Lost 1-2 | -161579 |
| 11draft | 11 | Hebky, Michal (1567) | Lost 1-2 | -181561 |
| 12draft | 58 | Dulsster, Dries (1530) | Won 2-1 | +171578 |
| 13draft | 38 | Ender, Dominik (1541) | Won 2-0 | +181596 |
| 14draft | 19 | Meewes, Stefan (1662) | Lost 0-2 | -171579 |
| 15draft | 42 | Koch, Florian (1680) | Won 2-1 | +201599 |
| top | average opponent: 1586record: 9-4-2 | new rating: 1599 | ||