Hietalahti, Matti
Current rating: 1526
| Grand Prix Dortmund 2006 (GPT limited) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 159 | Josupeit, Frank (1513) | Won 2-1 | +181541 |
| 2sealed | 88 | Budde, Jan-Philipp (1518) | Won 2-0 | +171558 |
| 3sealed | 18 | Schechtl, Leonard (1681) | Lost 1-2 | -151543 |
| 4sealed | 113 | Rood, Dennis (1557) | Lost 1-2 | -181525 |
| 5sealed | 117 | Papanikolaou, Dionisis (1480) | Won 2-0 | +171542 |
| 6sealed | 80 | Kesteloo, Peter (1572) | Won 2-1 | +191561 |
| 7sealed | 62 | Leicht, Michael (1738) | Lost 1-2 | -151546 |
| 8sealed | 95 | Rogowska Borys, Dorota (1451) | Lost 0-2 | -201526 |
| top | average opponent: 1564record: 4-4 | new rating: 1526 | ||
| Grand Prix Leipzig 2005 (BOK limited) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 46 | Haug, Andreas (1385) | Lost 0-2 | -201482 |
| 2sealed | 192 | Polak, Lukas (1447) | Lost 0-2 | -191463 |
| 3sealed | 197 | Weinhold, Jan (1467) | Won 2-1 | +181481 |
| 4sealed | 180 | Berkemeier, Christian (1481) | Won 2-1 | +181499 |
| 5sealed | 136 | Brodzak, Jan (1748) | Lost 1-2 | -131486 |
| 6sealed | 137 | Kircher, Sebastian (1481) | Won 2-0 | +181504 |
| 7sealed | 119 | Koehler, Andreas (1487) | Won 2-1 | +171521 |
| 8sealed | 88 | Heinrich, Artie (1525) | Won 2-0 | +181539 |
| 9sealed | 52 | Guetl, Ronald (1630) | Lost 1-2 | -161523 |
| top | average opponent: 1517record: 5-4 | new rating: 1523 | ||
| Grand Prix Helsinki 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 111 | Notkola, Mikka (1500) | Won 2-1 | +181518 |
| 2sealed | 73 | Tarp, Ulrik (1553) | Lost 0-2 | -171501 |
| 3sealed | 140 | Pedersen, Soren (1572) | Lost 1-2 | -171484 |
| 4sealed | 157 | Salminen, Aki (1518) | Lost 0-2 | -171467 |
| 5sealed | 174 | Hamalainen, Olli 4217 (1466) | Lost 0-2 | -181449 |
| 6sealed | 162 | Mattila, Juhani (1446) | Won 2-0 | +171466 |
| 7sealed | 130 | Kerem, Hannes (1472) | Won 2-0 | +191485 |
| 8sealed | 96 | Rizhikov, Pavel (1448) | Won 2-0 | +171502 |
| top | average opponent: 1497record: 4-4 | new rating: 1502 | ||