Wiezorek, Peter
Current rating: 1529
| Grand Prix Dortmund 2006 (GPT limited) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 42 | Johnson, Sven (1500) | Lost 0-2 | -171464 |
| 2sealed | 216 | Muller, Tobias (1482) | Won 2-1 | +181482 |
| 3sealed | 93 | Hiel, Youri (1500) | Won 2-0 | +181500 |
| 4sealed | 88 | Gohlke, Jochen (1519) | Won 2-0 | +191519 |
| 5sealed | 34 | Oiso, Masashi (2093) | Lost 1-2 | -91510 |
| 6sealed | 81 | Shaw, Patrick J (1561) | Won 2-1 | +191529 |
| top | average opponent: 1609record: 4-2 | new rating: 1529 | ||
| Grand Prix Vienna 2004 (COK limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 219 | Eger, Markus (1471) | Draw 1-1 | 01482 |
| 2sealed | 256 | Lencses, Andras (1490) | Lost 0-2 | -181464 |
| 3sealed | 368 | Oehler, Martin (1416) | Won 2-0 | +171481 |
| 4sealed | 297 | Tran, Teng (1459) | Won 2-0 | +181499 |
| 5sealed | 213 | Ritzmann, Mathias (1533) | Lost 0-2 | -181481 |
| top | average opponent: 1474record: 2-2-1 | new rating: 1481 | ||
| Grand Prix Hamburg 2002 (Odyssey block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 19 | van Zutphen, Ronald (1527) | Lost 0-2 | -171483 |
| 2block | 160 | Barwisch, Timo (1495) | Lost 0-2 | -181465 |
| 3block | 208 | Gally, Tristan (1430) | Won 2-0 | +171482 |
| 4block | 201 | Nowak, Alexander (1482) | Draw 1-1 | 01482 |
| top | average opponent: 1484record: 1-2-1 | new rating: 1482 | ||