Janssen, Joris
Current rating: 1488
Record: 13-15
| Grand Prix Bochum 2010 (SOM limited) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 274 | Barkowski, Merle (1500) | Lost 1-2 | -171451 |
| 2sealed | 276 | Weiss, Christian (1465) | Won 2-1 | +181469 |
| 3sealed | 164 | Caufriez, Emeric (1433) | Won 2-0 | +171486 |
| 4sealed | 149 | Rollnik, Karina (1518) | Won 2-0 | +191505 |
| 5sealed | 134 | Sciesinski, Marcin (1588) | Won 2-1 | +191524 |
| 6sealed | 44 | Di Pancrazio, Marc (1507) | Lost 1-2 | -181506 |
| 7sealed | 162 | Schwarz, Jens-Oliver (1511) | Lost 1-2 | -181488 |
| top | average opponent: 1503record: 4-3 | new rating: 1488 | ||
| Grand Prix Brussels 2010 (WWK standard) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 796 | Vandewynckel, Damien (1500) | Lost 0-1 | -171448 |
| 2standard | 851 | Janak, Tomas (1646) | Won 2-1 | +211469 |
| 3standard | 834 | Almeida, Tiago (1400) | Won 2-0 | +171486 |
| 4standard | 837 | Bakos, Robert (1509) | Lost 0-2 | -181468 |
| 5standard | 889 | Rosalie, Jimmy (1439) | Won 2-0 | +181486 |
| 6standard | 741 | Heligr, Jiri (1500) | Lost 0-2 | -181468 |
| top | average opponent: 1499record: 3-3 | new rating: 1468 | ||
| Grand Prix Paris 2009 (ZEN limited) | starting rating: 1453 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 668 | Bailly, Erwin (1500) | Won 2-0 | +191472 |
| 2sealed | 772 | Plaza, Nicolas (1518) | Won 2-1 | +191491 |
| 3sealed | 748 | Lesieur, Raphael (1540) | Won 2-0 | +191510 |
| 4sealed | 640 | Leigh, Simon (1735) | Lost 1-2 | -141496 |
| 5sealed | 675 | Boell, Benjamin (1740) | Lost 0-2 | -141482 |
| 6sealed | 795 | Kohler, Martin (1520) | Lost 1-2 | -171465 |
| top | average opponent: 1592record: 3-3 | new rating: 1465 | ||
| Grand Prix Prague 2009 (M10 limited) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 586 | Brusi, Jeffrey (1524) | Won 2-1 | +191486 |
| 2sealed | 542 | Simunek, Martin (1518) | Lost 0-2 | -181468 |
| 3sealed | 681 | Secka, Radek (1500) | Lost 0-2 | -171451 |
| 4sealed | 789 | Pesek, Lukas (1481) | Won 2-0 | +181469 |
| 5sealed | 698 | Bednar, Matej (1572) | Lost 0-2 | -161453 |
| top | average opponent: 1519record: 2-3 | new rating: 1453 | ||
| Grand Prix Hanover 2009 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 97 | Brinkmann, Jan (1607) | Won 2-1 | +201520 |
| 2extended | 43 | Henze, Oliver (1507) | Lost 0-2 | -181502 |
| 3extended | 150 | Herrmann, Florian (1502) | Lost 0-2 | -181484 |
| 4extended | 167 | Galusik, Marcin (1532) | Lost 0-0 | -171467 |
| top | average opponent: 1537record: 1-3 | new rating: 1467 | ||