Seppa, Antti
Current rating: 1565
Record: 9-6
| Grand Prix Prague 2019 (UMA limited) | starting rating: 1526 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 454 | Von Kracht, Tobias (1500) | Won 2-0 | +171543 |
| 2sealed | 589 | Ahlberg, Lassi (1474) | Won 2-1 | +171560 |
| 3sealed | 5 | Lindner, Johannes (1536) | Won 2-1 | +171577 |
| 4sealed | 12 | Goshima, Akito (1658) | Won 2-1 | +201597 |
| 5sealed | 101 | Rizzi, Mattia (1987) | Lost 1-2 | -111586 |
| 6sealed | 166 | Sulek, Adam (1540) | Won 2-1 | +171603 |
| 7sealed | 115 | Branis, Jaroslav (1661) | Lost 0-2 | -171586 |
| 8sealed | 275 | Warembourg, Romain (1447) | Lost 0-2 | -211565 |
| average opponent: 1600record: 5-3 | new rating: 1565 | |||
| Grand Prix Stockholm 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 402 | Johnson, Thomas [SWE] (1500) | Won 2-1 | +181518 |
| 2modern | 12 | Penarroya Rodriguez, Pelayo (1519) | Won 2-1 | +181536 |
| 3modern | 152 | Anteri, Fabrizio (1831) | Won 2-1 | +231559 |
| 4modern | 32 | Ljungqvist-Duran, Hans (1692) | Lost 0-2 | -151544 |
| 5modern | 160 | Zapparoli, Mattia (1541) | Won 2-1 | +181562 |
| 6modern | 137 | Gorokhovskyy, Kostyantyn (1549) | Lost 0-2 | -191543 |
| 7modern | 138 | Foures, Louis (1556) | Lost 1-2 | -171526 |
| average opponent: 1598record: 4-3 | new rating: 1526 | |||