Brenner, David
Current rating: 1486
Record: 3-4
| Grand Prix Prague 2003 (LGN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 193 | Schafer, Frank (1498) | Lost 0-2 | -181482 |
| 2sealed | 289 | Marx, Juergen (1434) | Won 2-1 | +171499 |
| 3sealed | 315 | Roder, Hans-Martin (1487) | Won 2-0 | +181517 |
| 4sealed | 260 | Krasniewski, Daniel (1506) | Lost 0-2 | -181499 |
| 5sealed | 207 | Delere, Andre (1759) | Won 2-1 | +221521 |
| 6sealed | 203 | Oberbek, Przemyslaw (1585) | Lost 0-2 | -171504 |
| 7sealed | 213 | Chlupac, Zdenek (1500) | Lost 1-2 | -181486 |
| average opponent: 1538record: 3-4 | new rating: 1486 | |||