Cortinas, Marty
Current rating: 1430
Record: 2-6
| Grand Prix Oakland 2013 (M14 limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 296 | Lin, Yee-Way (1500) | Lost 1-2 | -171447 |
| 2sealed | 432 | Halm, Matt (1409) | Lost 0-2 | -191428 |
| 3sealed | 670 | Cheng, Jonathan 2 (1481) | Won 2-1 | +191447 |
| 4sealed | 508 | Ordaz, Jose Carlos (1485) | Lost 1-2 | -171430 |
| average opponent: 1469record: 1-3 | new rating: 1430 | |||
| Grand Prix Anaheim 2003 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 40 | Rabinovitz, Josh (1492) | Lost 1-2 | -181482 |
| 2extended | 78 | Locarnini, Michael (1481) | Lost 0-2 | -181464 |
| 3extended | 101 | Gould, Stuart (1464) | Won 2-1 | +181482 |
| 4extended | 120 | Strickland, Ben (1484) | Lost 0-2 | -181464 |
| average opponent: 1481record: 1-3 | new rating: 1464 | |||