Wulff, Robert
Current rating: 1559
| Grand Prix Brussels 2020 (pioneer) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 338 | Andrien, Arnaud (1777) | Won 2-0 | +221556 |
| 2pioneer | 240 | De Broux, Misha (1479) | Won 2-1 | +171573 |
| 3pioneer | 296 | Amann, Aymeric (1629) | Won 2-0 | +191592 |
| 4pioneer | 128 | Longo, Alessandro (1565) | Lost 1-2 | -191573 |
| 5pioneer | 369 | Corona, Luigi (1508) | Lost 0-2 | -191554 |
| 6pioneer | 423 | Uittenbogaard, Kenny (1710) | Won 2-0 | +211575 |
| 7pioneer | 318 | Mueller, Chris (1710) | Lost 1-2 | -161559 |
| top | average opponent: 1626record: 4-3 | new rating: 1559 | ||
| Grand Prix Copenhagen 2019 (MH1 limited) | starting rating: 1514 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 93 | Christiansen, Emil Castro (1729) | Draw 1-1 | +41518 |
| 2sealed | 288 | Hernandez, Saul (1501) | Won 2-1 | +181536 |
| 3sealed | 300 | Pilorz, Michal (1560) | Lost 1-2 | -181518 |
| 4sealed | 432 | Svensson, Johannes (1442) | Won 2-1 | +171535 |
| 5sealed | 291 | Koivisto, Antti (1599) | Lost 0-2 | -171518 |
| 6sealed | 384 | Lopez Martinez, Rafael Eusebio (1487) | Won 2-0 | +171535 |
| 7sealed | 286 | Dorup, Mads (1516) | Won 2-1 | +181553 |
| 8sealed | 199 | Nyboe, Mikkel (1471) | Lost 1-2 | -191534 |
| top | average opponent: 1538record: 4-3-1 | new rating: 1534 | ||
| Grand Prix Turin 2018 (M19 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 83 | Iavarone, Francesco (1526) | Won 2-0 | +181518 |
| 2sealed | 142 | Berger, Natalia (1637) | Won 2-1 | +211539 |
| 3sealed | 141 | Summersberger, Helmut (1883) | Lost 0-2 | -121527 |
| 4sealed | 323 | Karjala-Svendsen, Joshua (1512) | Won 2-0 | +171544 |
| 5sealed | 70 | Habert, Alexandre (1792) | Lost 0-2 | -131531 |
| 6sealed | 279 | Berger, Simon (1625) | Lost 0-2 | -161515 |
| 7sealed | 259 | Caccialanza, Matteo (1492) | Won 2-1 | +171532 |
| 8sealed | 241 | Eugui, Borja (1537) | Lost 0-2 | -181514 |
| top | average opponent: 1625record: 4-4 | new rating: 1514 | ||