Witte, Jonas
Current rating: 1446
| Grand Prix Brussels 2020 (pioneer) | starting rating: 1460 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 194 | Von Gaudecker, Maximilian (1500) | Won 2-1 | +191479 |
| 2pioneer | 300 | Benouda, Nawfel (1516) | Won 2-1 | +181497 |
| 3pioneer | 255 | Nguyen, Virgil (1459) | Lost 1-2 | -181479 |
| 4pioneer | 267 | Hogenhout, Floor (1485) | Won 2-0 | +181497 |
| 5pioneer | 251 | Hansen, Martin (1636) | Lost 1-2 | -161481 |
| 6pioneer | 283 | Peixoto, Jose (1419) | Lost 0-2 | -191462 |
| 7pioneer | 431 | Jacobs, Koen (1551) | Lost 0-2 | -161446 |
| top | average opponent: 1509record: 3-4 | new rating: 1446 | ||
| Grand Prix Bologna 2019 (legacy) | starting rating: 1497 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 482 | Schopman, Balthasar (1545) | Lost 1-2 | -171480 |
| 2legacy | 558 | Amat, Marion (1410) | Won 2-1 | +171497 |
| 3legacy | 502 | Van Der Biessen, Michael (1504) | Won 2-1 | +181515 |
| 4legacy | 337 | Daniel-Moliner, Julien (1519) | Lost 0-2 | -181497 |
| 5legacy | 358 | Villena, Txomin (1417) | Lost 1-2 | -191478 |
| 6legacy | 570 | Gregori, Alessio (1481) | Lost 1-2 | -181460 |
| top | average opponent: 1479record: 2-4 | new rating: 1460 | ||
| Grand Prix Hamburg 2002 (Odyssey block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 48 | Freitag, Lennart (1500) | Won 2-1 | +181518 |
| 2block | 80 | Oertel, Matthias (1482) | Won 2-1 | +171535 |
| 3block | 30 | Fischer, Sven 2 (1537) | Lost 1-2 | -181517 |
| 4block | 137 | Reinecke, Arne (1517) | Won 2-1 | +181535 |
| 5block | 83 | Schmidt, Stephan (1535) | Won 2-0 | +181553 |
| 6block | 55 | Le Campion, Marc (1544) | Lost 0-2 | -181535 |
| 7block | 73 | Keil, Bastian (1489) | Lost 1-2 | -191516 |
| 8block | 116 | Kamkins, Filips (1467) | Lost 1-2 | -191497 |
| top | average opponent: 1509record: 4-4 | new rating: 1497 | ||