Kotz, Marek
Current rating: 1489
Record: 3-4
| Grand Prix Prague 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 309 | Hoger, Martin (1500) | Won 2-0 | +181518 |
| 2modern | 386 | Schalin, Ville (1587) | Won 2-0 | +191537 |
| 3modern | 247 | Cizmic, Nenad (1575) | Won 2-1 | +191556 |
| 4modern | 212 | Lutz, Manuel (1517) | Lost 0-2 | -191537 |
| 5modern | 225 | Muhlbock, Marc (1937) | Lost 1-2 | -111526 |
| 6modern | 335 | Giroud, Pierre (1520) | Lost 0-2 | -181508 |
| 7modern | 572 | Rathjen, Tim-Eric (1446) | Lost 0-2 | -191489 |
| average opponent: 1583record: 3-4 | new rating: 1489 | |||