Tahka, Henri
Current rating: 1583
Record: 12-8
| Grand Prix Ghent 2012 (legacy) | starting rating: 1565 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 54 | McAleer, Stephen (1469) | Lost 0-2 | -201545 |
| 3legacy | 216 | Meeuwes, Mitchell (1501) | Won 2-1 | +171562 |
| 4legacy | 114 | Ruddat, Christopher (1620) | Won 2-1 | +191581 |
| 5legacy | 143 | Cazaerck, Kristof (1584) | Lost 1-2 | -181563 |
| 6legacy | 149 | Vonasek, Martin (1466) | Won 2-1 | +171580 |
| 7legacy | 147 | Bilek, Tomas (1730) | Won 2-1 | +201600 |
| 8legacy | 81 | Hehn, Thore (1558) | Won 2-1 | +181618 |
| 9legacy | 43 | Bouakkaz, Cary (1516) | Won 2-0 | +161634 |
| 10legacy | 632 | Enevoldsen, Thomas (1695) | Lost 0-2 | -171617 |
| 11legacy | 68 | Goertzen, Simon (1876) | Lost 0-2 | -141603 |
| 12legacy | 75 | Rorive, Matthieu (1475) | Lost 0-2 | -201583 |
| average opponent: 1590record: 6-5 | new rating: 1583 | |||
| Grand Prix Malmo 2012 (AVR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 48 | Lind, Daniel (1444) | Lost 0-2 | -191481 |
| 2sealed | 183 | Westerlind, Magnus (1497) | Won 2-1 | +181499 |
| 3sealed | 130 | Bertin, Oscar (1464) | Lost 1-2 | -181481 |
| 4sealed | 196 | Lunau, Mads (1479) | Won 2-0 | +181499 |
| 5sealed | 130 | Dahlstrom, Mikael (1502) | Won 2-0 | +181517 |
| 6sealed | 73 | Laios, Dudas (1518) | Won 2-1 | +181535 |
| 7sealed | 96 | Molokanov, Alexander Y (1776) | Won 2-1 | +221557 |
| 8sealed | 64 | Mayer, Manuel (1883) | Won 2-0 | +241581 |
| 9sealed | 27 | Riffert, Till (1697) | Lost 1-2 | -161565 |
| average opponent: 1584record: 6-3 | new rating: 1565 | |||