Blumel, Jan-eric
Current rating: 1442
| Grand Prix Hanover 2009 (extended) | starting rating: 1449 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 114 | Englund, Simon E (1607) | Lost 0-2 | -151434 |
| 3extended | 121 | Samul, Ondrej (1483) | Won 2-1 | +191453 |
| 4extended | 85 | Corbera Bellalta, Marc (1687) | Won 0-0 | +221475 |
| 5extended | 81 | Cifka, Stanislav (1534) | Lost 1-2 | -171458 |
| 6extended | 127 | Gustavsson, Gustav (1553) | Lost 0-2 | -161442 |
| top | average opponent: 1573record: 2-3 | new rating: 1442 | ||
| Grand Prix Dortmund 2006 (GPT limited) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 58 | Sierszen, Mark (1500) | Won 1-0 | +191465 |
| 2sealed | 69 | Grund, Florian (1723) | Won 2-1 | +231488 |
| 3sealed | 42 | Krause, Jens (1816) | Lost 1-2 | -121476 |
| 4sealed | 109 | Althues, Holger (1817) | Lost 0-2 | -121464 |
| 5sealed | 109 | Salamon, Michal (1671) | Lost 0-2 | -151449 |
| top | average opponent: 1705record: 2-3 | new rating: 1449 | ||
| Grand Prix Lille 2005 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 55 | Fazzetti, Luca (1500) | Won 2-1 | +181518 |
| 2legacy | 101 | Frederic, Perez (1518) | Won 2-1 | +181536 |
| 3legacy | 54 | Kotter, Carsten (1540) | Lost 1-2 | -181518 |
| 4legacy | 116 | Yvonnet, Pierre (1565) | Lost 0-2 | -171501 |
| 5legacy | 156 | Wigge, Mathias (1486) | Lost 0-2 | -181483 |
| 6legacy | 145 | Parmentier, Yanick (1486) | Lost 0-2 | -181465 |
| 7legacy | 162 | Thiercelin, Jordan (1463) | Lost 0-2 | -181447 |
| 8legacy | 165 | Masson, Jerome (1446) | Lost 1-2 | -181429 |
| 9legacy | 133 | Le Ligeour, Serge (1413) | Won 2-1 | +171446 |
| top | average opponent: 1491record: 3-6 | new rating: 1446 | ||