Zupping, Sten
Current rating: 1473
Record: 4-7
| Grand Prix Krakow 2007 (LRW standard) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 42 | Bok, Przemek (1566) | Won 2-0 | +201467 |
| 5standard | 15 | Kapalas, Georgios (1848) | Won 2-0 | +251492 |
| 6standard | 13 | Juza, Martin (1727) | Won 2-1 | +221514 |
| 7standard | 2 | Oberbek, Przemyslaw (1770) | Lost 0-2 | -141500 |
| 8standard | 10 | Meissner, Patrick (1888) | Lost 1-2 | -111489 |
| 9standard | 24 | Hermann, Manfred (1605) | Lost 1-2 | -161473 |
| average opponent: 1734record: 3-3 | new rating: 1473 | |||
| Grand Prix Helsinki 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 131 | Valori, Markus (1500) | Won 2-0 | +181518 |
| 2sealed | 10 | Naslund, David (1565) | Lost 0-2 | -171501 |
| 3sealed | 82 | Suopajarvi, Tatu (1500) | Lost 0-2 | -181483 |
| 4sealed | 152 | Lamsa, Esko (1482) | Lost 1-2 | -181465 |
| 5sealed | 172 | Hansen, Brage (1467) | Lost 1-2 | -181447 |
| average opponent: 1503record: 1-4 | new rating: 1447 | |||