Pettersson, Goran
Current rating: 1461
| Grand Prix Stockholm 2018 (modern) | starting rating: 1478 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 276 | Gunnlaugsson, Saevar Snaer (1500) | Won 2-0 | +191497 |
| 2modern | 137 | Cottell, Douglas (1517) | Draw 1-1 | 01497 |
| 3modern | 272 | Lund, Martin [SWE] (1408) | Lost 0-2 | -201477 |
| 4modern | 412 | Dige Pedersen, Mathias (1497) | Lost 1-2 | -171460 |
| 5modern | 505 | Park, Simon (1489) | Won 2-0 | +181478 |
| 6modern | 390 | Kapetanakis, Nasos (1514) | Lost 0-2 | -171461 |
| top | average opponent: 1487record: 2-3-1 | new rating: 1461 | ||
| Grand Prix Copenhagen 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 296 | Halme, Joonas (1416) | Won 2-1 | +171517 |
| 2modern | 389 | Haacker, Linnea (1519) | Lost 1-2 | -181499 |
| 3modern | 446 | Martensson, Paul (1500) | Won 2-1 | +181517 |
| 4modern | 312 | Tonkin, Mathew (1372) | Lost 1-2 | -211496 |
| 5modern | 586 | Jones, Peter (1503) | Lost 1-2 | -181478 |
| top | average opponent: 1462record: 2-3 | new rating: 1478 | ||
| Grand Prix Stockholm 2016 (EMN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 373 | Vallstrom, Fredrik (1500) | Lost 1-2 | -181482 |
| 2sealed | 422 | Sorum, Tore Johan (1499) | Won 2-0 | +181500 |
| 3sealed | 371 | Holm, Ellinor (1512) | Won 2-1 | +191519 |
| 4sealed | 202 | Jeppesen, Daniel (1517) | Lost 1-2 | -191500 |
| 5sealed | 359 | Horber, Dominik (1546) | Won 2-1 | +191519 |
| 6sealed | 235 | Castren, Sakari (1502) | Won 2-1 | +181537 |
| 7sealed | 219 | Kaitila, Aleksi (1487) | Lost 1-2 | -191518 |
| 8sealed | 305 | Indebetou, Hannes (1524) | Lost 1-2 | -181500 |
| top | average opponent: 1511record: 4-4 | new rating: 1500 | ||