Kiewiet, Ruben
Current rating: 1521
| Grand Prix Bologna 2019 (legacy) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 41 | Aguilar Ponsa, Sebastia (1500) | Won 2-0 | +181521 |
| 2legacy | 317 | Genovese Darling, Jonathan James Christie (1642) | Won 2-1 | +201541 |
| 3legacy | 253 | Andrae, Peter (1559) | Lost 0-2 | -181523 |
| 4legacy | 310 | Hedengran, Magnus Duus (1517) | Lost 0-2 | -181505 |
| 5legacy | 483 | Adamec, Michal (1394) | Won 2-1 | +161521 |
| 6legacy | 384 | Averous-Vincent, Christophe (1440) | Lost 0-2 | -191502 |
| 7legacy | 347 | Corbari, Silvio (1584) | Won 2-0 | +191521 |
| top | average opponent: 1519record: 4-3 | new rating: 1521 | ||
| Grand Prix Birmingham 2018 (leg) (legacy) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 320 | Barbieri, Guglielmo (1448) | Lost 0-2 | -201504 |
| 2legacy | 365 | Cardoso, Almerindo (1581) | Won 2-1 | +201524 |
| 3legacy | 298 | Espeel, Stephan (1390) | Won 2-1 | +151539 |
| 4legacy | 161 | Di Pasquale, Fabio (1519) | Lost 0-2 | -181521 |
| 5legacy | 383 | Gillies, Adam (1515) | Lost 1-2 | -181503 |
| top | average opponent: 1491record: 2-3 | new rating: 1503 | ||
| Grand Prix Lille 2015 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 434 | Fleurier, Nicolas (1478) | Won 2-0 | +181518 |
| 2legacy | 242 | White, Mike (1563) | Won 2-1 | +181536 |
| 3legacy | 261 | Soubrier, Stephane (1591) | Lost 1-2 | -171519 |
| 4legacy | 442 | Maier, Daniel (1566) | Won 2-0 | +191538 |
| 5legacy | 289 | Masure, Diederik (1555) | Lost 0-2 | -171521 |
| 6legacy | 295 | Alla, Stephan (1446) | Won 2-1 | +161537 |
| 7legacy | 227 | Retter, Jerome (1446) | Won 2-1 | +171554 |
| 8legacy | 146 | Levy, Raphael (1967) | Lost 1-2 | -111543 |
| 9legacy | 189 | Snellings, Yannick (1491) | Lost 0-2 | -191524 |
| top | average opponent: 1567record: 5-4 | new rating: 1524 | ||