Cobben, Jan
Current rating: 1504
Record: 3-3
| Grand Prix London 2018 (RIX limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 461 | Liu, Yuxuan (1516) | Lost 1-2 | -181482 |
| 2sealed | 458 | Candillier, Ludovic (1483) | Won 2-1 | +181500 |
| 3sealed | 560 | Karlsson, Mats (1793) | Lost 0-2 | -121488 |
| 4sealed | 783 | Ribeiro, Andre (1422) | Won 2-0 | +161504 |
| 5sealed | 608 | Lecompte, Bruno (1536) | Won 2-0 | +191523 |
| 6sealed | 407 | Haugan, Harald (1473) | Lost 1-2 | -191504 |
| average opponent: 1537record: 3-3 | new rating: 1504 | |||