Mark, Simon
Current rating: 1440
| Grand Prix Brussels 2020 (pioneer) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 2pioneer | 178 | Aquino Pareja, Francisco (1594) | Lost 1-2 | -161454 |
| 3pioneer | 648 | Lopez Munoz, Jose Carlos (1484) | Won 2-1 | +191473 |
| 4pioneer | 264 | Hektor, Marco (1562) | Lost 0-2 | -171456 |
| 5pioneer | 543 | Prevost, Josselin (1533) | Lost 0-2 | -161440 |
| top | average opponent: 1544record: 1-3 | new rating: 1440 | ||
| Grand Prix Strasbourg 2019 (RNA limited) | starting rating: 1506 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 122 | Lamprakos, Gregory (1500) | Won 2-0 | +181524 |
| 2sealed | 211 | Stammbach, Martin (1545) | Won 2-0 | +191543 |
| 3sealed | 53 | Adam, Jeremy (1539) | Lost 1-2 | -191524 |
| 4sealed | 323 | Grenier, Benjamin (1486) | Lost 1-2 | -181506 |
| 5sealed | 382 | Tandy, Matthew (1516) | Lost 1-2 | -181488 |
| 6sealed | 483 | Nicolas, Dupuy (1486) | Lost 1-2 | -181470 |
| top | average opponent: 1512record: 2-4 | new rating: 1470 | ||
| Grand Prix Prague 2019 (UMA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 589 | Marth, Peter (1500) | Won 2-1 | +181518 |
| 2sealed | 456 | Malkoc, Gari (1478) | Lost 1-2 | -191499 |
| 3sealed | 797 | Mos, Michal (1666) | Won 2-0 | +211520 |
| 4sealed | 508 | Corbera Bellalta, Marc (1805) | Lost 0-2 | -131507 |
| 5sealed | 657 | Riegler, Moritz (1549) | Won 2-1 | +191526 |
| 6sealed | 493 | Eckstein, Matthias (1420) | Lost 0-2 | -201506 |
| 7sealed | 666 | Sergeev, Sergey (1475) | Won 2-0 | +181524 |
| 8sealed | 492 | Urbaniak, Adam (1558) | Lost 0-2 | -181506 |
| top | average opponent: 1556record: 4-4 | new rating: 1506 | ||