Pieiga, Sergio
Current rating: 1477
Record: 7-9
| Grand Prix Miami 2013 (DGM standard) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 230 | Daley, Joshua (1519) | Won 2-1 | +191483 |
| 2standard | 146 | Quincy III, John (1518) | Won 2-1 | +191502 |
| 3standard | 113 | Herron, Christopher (1570) | Lost 1-2 | -171485 |
| 4standard | 317 | Tejada, Victor (1467) | Lost 0-2 | -181467 |
| 5standard | 307 | Webb, Anthony (1497) | Won 2-0 | +181485 |
| 6standard | 243 | Chinlund, Kit (1514) | Won 2-0 | +191504 |
| 7standard | 174 | Wescoe, Craig (2009) | Lost 0-2 | -101494 |
| 8standard | 197 | Patton, Jacob (1504) | Lost 0-2 | -171477 |
| average opponent: 1575record: 4-4 | new rating: 1477 | |||
| Grand Prix Orlando 2012 (ISD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 36 | Popp, Justin M (1500) | Lost 1-2 | -181482 |
| 3standard | 214 | Birdsong, Joseph (1482) | Lost 0-2 | -181464 |
| 4standard | 417 | O'Connor, Michael K (1480) | Won 1-0 | +181482 |
| 5standard | 336 | Haxton, Jesse (1413) | Lost 0-2 | -191463 |
| 6standard | 325 | Root, Charlie (1464) | Won 2-0 | +181481 |
| 7standard | 233 | Shawn, Ashton (1500) | Lost 0-2 | -181463 |
| 8standard | 242 | Hickey, Taylor A (1481) | Lost 1-2 | -171446 |
| 9standard | 232 | Snook, Sam (1480) | Won 2-1 | +181464 |
| average opponent: 1475record: 3-5 | new rating: 1464 | |||