Groeneveld, Harm
Current rating: 1487
Record: 2-3-2
| Grand Prix Stockholm 2018 (modern) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 263 | Osbaeck, Rasmus (1500) | Won 2-1 | +181483 |
| 2modern | 277 | Howell, Caedon (1518) | Draw 1-1 | +11484 |
| 3modern | 273 | Flyum, Geir Magne (1595) | Lost 0-2 | -161468 |
| 4modern | 424 | Khor, Chiyen (1508) | Won 2-0 | +191487 |
| 5modern | 283 | Sannullo, Antonio (1529) | Draw 1-1 | 01487 |
| average opponent: 1530record: 2-1-2 | new rating: 1487 | |||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 113 | Mahnke, Nico (1516) | Lost 0-2 | -181482 |
| 2sealed | 547 | Herzog, Philipp (1501) | Lost 0-2 | -171465 |
| average opponent: 1508record: 0-2 | new rating: 1465 | |||