De Jong, Yannick
Current rating: 1430
Record: 13-18
| Grand Prix Bochum 2010 (SOM limited) | starting rating: 1437 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 677 | Metzenthin, Aljoscha (1500) | Lost 0-2 | -171420 |
| 2sealed | 839 | Bollmer, Holger (1453) | Won 2-0 | +191439 |
| 3sealed | 695 | Van Ackere, Tom (1621) | Lost 0-2 | -151424 |
| 4sealed | 851 | Kopfli, Flavio (1655) | Lost 0-2 | -141410 |
| 5sealed | 805 | Jung, Kathrin (1466) | Won 2-1 | +191429 |
| 6sealed | 753 | Engelbert, Peter (1403) | Won 2-0 | +181447 |
| 7sealed | 687 | Danke, Christian (1502) | Lost 1-2 | -171430 |
| top | average opponent: 1514record: 3-4 | new rating: 1430 | ||
| Grand Prix Hasselt 2006 (RAV limited) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 98 | Verdonck, Timmy (1500) | Won 2-0 | +181485 |
| 2sealed | 124 | Massicard, Yann (1613) | Lost 1-2 | -151470 |
| 3sealed | 176 | Klocker, Mario (1551) | Won 2-0 | +191489 |
| 4sealed | 109 | Vervloet, Jeroen (1524) | Lost 0-2 | -171472 |
| 5sealed | 127 | Van Der Neut, Richard (1503) | Lost 0-2 | -181454 |
| 6sealed | 160 | Schoeters, Tino (1452) | Won 2-0 | +181472 |
| 7sealed | 117 | Liederbach, Florian (1464) | Lost 1-2 | -181454 |
| 8sealed | 103 | Kneuper, Richard (1486) | Lost 0-2 | -171437 |
| top | average opponent: 1512record: 3-5 | new rating: 1437 | ||
| Grand Prix Copenhagen 2005 (extended) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 26 | Connelly-Hansen, Allan (1355) | Lost 1-2 | -201460 |
| 2extended | 108 | Holmes, Conor (1488) | Won 2-1 | +191479 |
| 3extended | 76 | Castren, Sakari (1489) | Lost 1-2 | -181461 |
| 4extended | 129 | Carmelo, Victor Adrian (1484) | Won 2-0 | +181479 |
| 5extended | 106 | Mygh, Sebastian (1499) | Won 2-1 | +191498 |
| 6extended | 91 | Gundersen, Thomas (1775) | Lost 1-2 | -131485 |
| 7extended | 89 | Lohmann, Holger (1503) | Lost 0-2 | -181467 |
| top | average opponent: 1513record: 3-4 | new rating: 1467 | ||
| Grand Prix Eindhoven 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 44 | Leide, Andreas (1313) | Won 2-1 | +151515 |
| 2extended | 251 | Zimmermann, Martin (1518) | Lost 0-2 | -181497 |
| 3extended | 281 | Kaltsas, Kostas (1544) | Lost 1-2 | -171480 |
| 4extended | 395 | Barnetta, Marco (1482) | Won 2-1 | +181498 |
| 5extended | 303 | Jansen, Raymond (1500) | Lost 1-2 | -181480 |
| 6extended | 310 | Rensonnet, Pierre (1507) | Lost 1-2 | -181462 |
| 7extended | 298 | Van Veen, Bas (1465) | Won 2-0 | +181480 |
| 8extended | 224 | De Bosscher, Cedric (1483) | Won 2-1 | +181498 |
| 9extended | 159 | Heiduk, Michael (1505) | Lost 0-2 | -181480 |
| top | average opponent: 1480record: 4-5 | new rating: 1480 | ||