Karjalainen, Pekka
Current rating: 1546
Record: 9-6-1
| Grand Prix Gothenburg 2010 (M11 limited) | starting rating: 1554 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 650 | Andersson, Henrik (1500) | Draw 1-1 | -11553 |
| 2sealed | 619 | Olsson, Johan (1475) | Won 2-0 | +171570 |
| 3sealed | 576 | Glimskog, Victor (1519) | Won 2-0 | +171587 |
| 4sealed | 576 | Von Ortloff, Philipp (1484) | Lost 1-2 | -201567 |
| 5sealed | 615 | Lampinen, Bjorn (1517) | Lost 0-2 | -191548 |
| 6sealed | 644 | Johansson, Joakim (1500) | Lost 0-2 | -191529 |
| 7sealed | 629 | Nedbal, Marek (1498) | Won 2-1 | +171546 |
| 8sealed | 601 | Rohman, Nicklas (1552) | Lost 0-2 | -171529 |
| 9sealed | 582 | Lam, Jonathan Ho-mingh (1498) | Won 2-1 | +171546 |
| average opponent: 1505record: 4-4-1 | new rating: 1546 | |||
| Grand Prix Helsinki 2000 (INV limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 83 | Leppanen, Tero (1500) | Lost 0-2 | -181482 |
| 2sealed | 141 | Vettenranta, Leif (1482) | Won 2-0 | +181500 |
| 3sealed | 104 | Karrman, Per (1500) | Won 2-1 | +181518 |
| 4sealed | 70 | Ranta, Teemu (1518) | Lost 0-2 | -181500 |
| 5sealed | 104 | Korpela, Sampsa (1500) | Won 2-0 | +181518 |
| 6sealed | 65 | Kuusniemi, Kuisma (1517) | Won 0-0 | +181536 |
| 7sealed | 54 | Aku, Kalajo (1539) | Won 2-1 | +181554 |
| average opponent: 1508record: 5-2 | new rating: 1554 | |||