Weinhold, Brendan C
Current rating: 1484
Record: 4-5
| Grand Prix Prague 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 35 | Macosek, Jan (1500) | Won 2-0 | +181518 |
| 2sealed | 14 | Hruska, Jakub (1519) | Lost 0-2 | -181500 |
| 3sealed | 228 | Zivkovic, Ozren (1504) | Won 2-0 | +181518 |
| 4sealed | 185 | Nguyen, Sony (1518) | Lost 0-2 | -181500 |
| 5sealed | 192 | Policarp, Paul (1500) | Won 2-1 | +181518 |
| 6sealed | 167 | Chudoba, Martin (1674) | Lost 0-2 | -151503 |
| 7sealed | 203 | Pokorny, Simon (1484) | Won 2-0 | +181521 |
| 8sealed | 142 | Dvorak, Martin (1501) | Lost 1-2 | -191502 |
| 9sealed | 123 | Mede, Martin (1499) | Lost 0-2 | -181484 |
| average opponent: 1522record: 4-5 | new rating: 1484 | |||