Wacker, Jan
Current rating: 1483
Record: 14-16-2
| Grand Prix Bochum 2010 (SOM limited) | starting rating: 1460 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 623 | Kunz, Simon (1500) | Won 2-0 | +191479 |
| 2sealed | 586 | Kerner, Soren (1557) | Lost 0-2 | -161463 |
| 3sealed | 751 | Janik, Maciej (1484) | Lost 1-2 | -181445 |
| 4sealed | 781 | Peketz, Jochen (1483) | Lost 0-2 | -171428 |
| 5sealed | 806 | Helle, Philipp (1464) | Won 2-0 | +181446 |
| 6sealed | 746 | Eichenauer, Markus (1481) | Won 2-1 | +191465 |
| 7sealed | 695 | Engelhardt, Markus (1498) | Won 2-1 | +181483 |
| top | average opponent: 1495record: 4-3 | new rating: 1483 | ||
| Grand Prix Hanover 2009 (extended) | starting rating: 1493 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 126 | Kelterbaum, Catherine (1143) | Won 2-1 | +121505 |
| 2extended | 29 | Willems, Sjoerd (1716) | Lost 0-2 | -141491 |
| 3extended | 139 | Karlinski, Anton (1592) | Draw 1-1 | +21493 |
| 4extended | 151 | Wijnen, Marc (1669) | Lost 0-0 | -151478 |
| 5extended | 178 | Schroder, Harald (1486) | Lost 1-2 | -181460 |
| 6extended | 176 | Schade, Martin (1480) | Lost 0-2 | -181442 |
| 7extended | 158 | Kiehn, Patrick (1445) | Won 1-0 | +181460 |
| top | average opponent: 1504record: 2-4-1 | new rating: 1460 | ||
| Grand Prix Lille 2005 (legacy) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 4legacy | 22 | Magnin, Fabien (1546) | Lost 0-2 | -171487 |
| 5legacy | 66 | Gabet, Jeremy (1536) | Won 1-0 | +191506 |
| 6legacy | 24 | Rasschaert, Gunther (1556) | Won 2-1 | +191525 |
| 7legacy | 17 | Clarys, Steve (1580) | Draw 1-1 | +11526 |
| 8legacy | 20 | Ranque, Wilfried (1661) | Lost 0-2 | -161510 |
| 9legacy | 43 | Andrieu, Thibault (1556) | Lost 0-2 | -171493 |
| top | average opponent: 1572record: 2-3-1 | new rating: 1493 | ||
| Grand Prix Eindhoven 2005 (extended) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 11 | de Korte, Rick (1500) | Won 2-0 | +181502 |
| 2extended | 162 | Knorr, Sebastian (1518) | Lost 0-2 | -181484 |
| 3extended | 253 | Licht, Thorsten (1499) | Won 2-0 | +181502 |
| 4extended | 222 | Jacko, Robert (1567) | Lost 0-2 | -161486 |
| 5extended | 241 | De Haan, Rob (1503) | Won 2-0 | +181504 |
| 6extended | 164 | van der Vaart, Henk (1502) | Won 2-0 | +181522 |
| 7extended | 154 | Klaffke, Jan (1521) | Lost 1-2 | -181504 |
| 8extended | 146 | Thomsen, Sascha (1484) | Lost 0-2 | -191485 |
| 9extended | 156 | [anonymous] | Won 2-0 | +191504 |
| top | average opponent: 1514record: 5-4 | new rating: 1504 | ||
| Grand Prix Hamburg 2002 (Odyssey block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 108 | Boll, Soren (1500) | Won 2-0 | +181518 |
| 2block | 96 | Gruber, Tobias (1635) | Lost 1-2 | -161502 |
| 3block | 146 | Pippel, Bernhard (1468) | Lost 0-2 | -181484 |
| top | average opponent: 1534record: 1-2 | new rating: 1484 | ||