Ekmark, Gunnar
Current rating: 1526
| Grand Prix Copenhagen 2018 (DOM standard) | starting rating: 1564 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 56 | Gimel, Florian (1500) | Lost 1-2 | -201544 |
| 2standard | 166 | Leclercq, Olivier (1487) | Lost 0-2 | -191525 |
| 3standard | 334 | Persson, Andreas (1543) | Won 2-0 | +191544 |
| 4standard | 299 | Vilsgaard, Jakob (1428) | Won 2-0 | +161560 |
| 5standard | 289 | Tornros, Mats (1787) | Lost 0-2 | -141546 |
| 6standard | 263 | Kubis, Jan (1441) | Lost 0-2 | -201526 |
| top | average opponent: 1531record: 2-4 | new rating: 1526 | ||
| Grand Prix Stockholm 2014 (KTK standard) | starting rating: 1558 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 339 | Granvik, John (1500) | Lost 0-2 | -191539 |
| 2standard | 313 | Garde, Viktor (1482) | Won 2-0 | +171556 |
| 3standard | 256 | Jacobsen, Soren Knak (1588) | Won 2-1 | +181574 |
| 4standard | 290 | Fedorchenko, Sergej (1518) | Won 2-1 | +171591 |
| 5standard | 68 | Kelterbaum, Richard (1342) | Lost 1-2 | -221569 |
| 6standard | 234 | van Herwaarden, Sander (1367) | Lost 1-2 | -221547 |
| 7standard | 256 | Brinkmann, Marc (1451) | Won 2-0 | +171564 |
| top | average opponent: 1464record: 4-3 | new rating: 1564 | ||
| Grand Prix Gothenburg 2010 (M11 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 581 | Ahston, Kim (1500) | Lost 0-2 | -181482 |
| 2sealed | 682 | Saul, Philip (1336) | Won 2-1 | +151497 |
| 3sealed | 596 | Inerot, Niclas (1468) | Lost 1-2 | -181479 |
| 4sealed | 667 | Hofmann, Mike (1631) | Lost 0-2 | -151464 |
| 5sealed | 690 | Farlevik, Richard (1465) | Won 2-0 | +181482 |
| 6sealed | 648 | Johansson, Tina (1500) | Won 2-1 | +181500 |
| 7sealed | 626 | Kilappa, Vantte (1619) | Won 2-0 | +201520 |
| 8sealed | 586 | Brumby, Gene (1626) | Won 2-0 | +201540 |
| 9sealed | 565 | Andersson, Alexander (1534) | Won 2-1 | +181558 |
| top | average opponent: 1520record: 6-3 | new rating: 1558 | ||