Grunberger, Peter
Current rating: 1428
Record: 2-6-1
| Grand Prix Prague 2003 (LGN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 67 | Hlavicka, Milos (1450) | Lost 1-2 | -191481 |
| 2sealed | 270 | Pezlar, Vojtech (1481) | Lost 1-2 | -181463 |
| 3sealed | 372 | Kuril, Miroslav (1464) | Lost 1-2 | -181445 |
| 4sealed | 414 | Sus, Martin (1446) | Draw 1-1 | 01445 |
| 5sealed | 385 | Bahnik, Stepan (1478) | Lost 0-2 | -171428 |
| 6sealed | 341 | Nguyen, Eric (1428) | Lost 1-2 | -181410 |
| 7sealed | 283 | Svaton, Cenek (1460) | Won 2-0 | +191429 |
| 8sealed | 224 | Krahulik, Filip (1393) | Lost 0-2 | -191410 |
| 9sealed | 176 | Potucek, Petr (1429) | Won 2-1 | +181428 |
| average opponent: 1448record: 2-6-1 | new rating: 1428 | |||