Grierson, Aaron
Current rating: 1447
Record: 3-6
| Grand Prix Orlando 2012 (ISD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 47 | Ori, Ryan (1566) | Lost 0-2 | -171483 |
| 2standard | 327 | Moore, Carla W (1482) | Lost 0-2 | -181465 |
| 3standard | 382 | Leddy, Michael (1484) | Won 1-0 | +191484 |
| 4standard | 381 | Albizu, Enrique (1479) | Lost 0-2 | -191465 |
| 5standard | 408 | Lluch, Jose (1464) | Lost 0-2 | -181447 |
| 6standard | 356 | Valella, Adrian (1446) | Lost 1-2 | -181429 |
| 7standard | 318 | Reuter, George (1426) | Won 1-0 | +181447 |
| 8standard | 274 | Hollander, Byrne (1446) | Won 2-0 | +181465 |
| 9standard | 228 | Asher, James (1462) | Lost 1-2 | -181447 |
| average opponent: 1473record: 3-6 | new rating: 1447 | |||