Osala, Arto
Current rating: 1451
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1419 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 446 | Johnston, Damon (1352) | Won 2-1 | +171436 |
| 2sealed | 279 | Elegeert, Justin (1518) | Won 2-1 | +201456 |
| 3sealed | 240 | Pispa, Lauri (1565) | Lost 0-2 | -161440 |
| 4sealed | 370 | van den Wouwer, Chris (1698) | Won 2-1 | +221462 |
| 5sealed | 132 | Chu, Paul (1608) | Won 2-0 | +211483 |
| 6sealed | 54 | Dalmasso, Leonardo (1555) | Lost 0-2 | -171466 |
| 7sealed | 217 | Venancio, Ricardo (1637) | Lost 1-2 | -151451 |
| top | average opponent: 1562record: 4-3 | new rating: 1451 | ||
| Grand Prix Stockholm 2007 (FUT limited) | starting rating: 1428 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 118 | Jonasson, Sebastian (1507) | Lost 0-2 | -171411 |
| 2sealed | 197 | Kristensen, David Kai (1482) | Lost 1-2 | -161395 |
| 3sealed | 283 | Bartosz, Melka (1461) | Lost 0-2 | -171378 |
| 4sealed | 336 | Morales, Francisco Jos (1450) | Won 2-1 | +191397 |
| 5sealed | 300 | Mendonca, Joao C (1463) | Won 2-0 | +191416 |
| 6sealed | 242 | Laanemae, Siim (1482) | Lost 0-2 | -161400 |
| 7sealed | 217 | Westerlund, Patrik (1446) | Won 0-0 | +181418 |
| 8sealed | 173 | Furby, Mats (1469) | Lost 0-2 | -171401 |
| 9sealed | 136 | Van Damme, Cliff (1404) | Won 2-0 | +181419 |
| top | average opponent: 1462record: 4-5 | new rating: 1419 | ||
| Grand Prix Helsinki 2000 (INV limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 105 | Hirvonen, Mikko (1500) | Lost 1-2 | -181482 |
| 2sealed | 95 | Sikanen, Kimmo (1483) | Won 2-1 | +181500 |
| 3sealed | 101 | Holmberg, Fredrik (1500) | Lost 0-2 | -181482 |
| 4sealed | 114 | Hirvonen, Juha (1482) | Lost 0-2 | -181464 |
| 5sealed | 150 | Akimov, Akim (1464) | Lost 0-2 | -181446 |
| 6sealed | 142 | Rinne, Toni (1446) | Lost 0-0 | -181428 |
| top | average opponent: 1479record: 1-5 | new rating: 1428 | ||