Guther, Kai-Simon
Current rating: 1469
| Grand Prix Brussels 2020 (pioneer) | starting rating: 1505 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 238 | Lackey, Mark (1494) | Won 2-1 | +171522 |
| 2pioneer | 319 | Cai, Giona (1539) | Lost 0-2 | -171505 |
| 3pioneer | 507 | Polancec, Domagoj (1499) | Lost 1-2 | -181487 |
| 4pioneer | 734 | Maertens, Cyril (1488) | Lost 0-2 | -181469 |
| top | average opponent: 1505record: 1-3 | new rating: 1469 | ||
| Grand Prix Strasbourg 2019 (RNA limited) | starting rating: 1501 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 451 | Dommange, Xavier (1455) | Won 2-0 | +171518 |
| 2sealed | 277 | van Ravenzwaaij, Don (1855) | Lost 0-2 | -121506 |
| 3sealed | 586 | Miseroux, Vincent (1485) | Lost 1-2 | -191487 |
| 4sealed | 676 | Kruijsen, Tom (1440) | Lost 1-2 | -191468 |
| 5sealed | 660 | Banderas, Matias (1466) | Won 2-0 | +181486 |
| 6sealed | 528 | Pilny, Georg (1496) | Won 2-1 | +191505 |
| top | average opponent: 1533record: 3-3 | new rating: 1505 | ||
| Grand Prix Prague 2019 (UMA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 728 | Zorrer, Vanessa (1447) | Won 2-0 | +171517 |
| 2sealed | 703 | Rohling, Markus (1465) | Lost 0-2 | -191498 |
| 3sealed | 694 | Matousek, Jakub (1447) | Won 2-1 | +171515 |
| 4sealed | 395 | Pettersson, Tobias (1614) | Lost 1-2 | -161499 |
| 5sealed | 752 | Tumpach, Markus (1579) | Lost 1-2 | -171482 |
| 6sealed | 856 | Maestre, Javier (1489) | Won 2-1 | +191501 |
| top | average opponent: 1507record: 3-3 | new rating: 1501 | ||