Perez, Darwin J
Current rating: 1499
Record: 4-4
| Grand Prix Tampa 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 68 | Bueno, Alex (1556) | Lost 1-2 | -171483 |
| 2sealed | 270 | Music, Patrick (1482) | Won 2-0 | +181501 |
| 3sealed | 252 | Goldstein, Max (1503) | Won 2-0 | +181519 |
| 4sealed | 148 | Letsch, Michael (1463) | Lost 0-2 | -191500 |
| 5sealed | 286 | Bueno, John (1515) | Lost 1-2 | -181482 |
| 6sealed | 266 | Solorzano, Nephi (1485) | Won 2-1 | +181500 |
| 7sealed | 206 | Magnan, Bronson (1509) | Won 2-1 | +191519 |
| 8sealed | 160 | Miller, Christopher (1451) | Lost 1-2 | -201499 |
| average opponent: 1496record: 4-4 | new rating: 1499 | |||