Lam, Roberto
Current rating: 1416
| Grand Prix Orlando 2017 (AER limited) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 830 | Blankenship, Kyle (1572) | Lost 0-2 | -161454 |
| 2sealed | 971 | Olson, Per (1489) | Lost 0-2 | -171437 |
| 3sealed | 1084 | Freeman, Denise (1258) | Lost 0-2 | -211416 |
| top | average opponent: 1440record: 0-3 | new rating: 1416 | ||
| Grand Prix Orlando 2014 (KTK limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 163 | Prescott, Bryan (1462) | Won 2-1 | +181482 |
| 2sealed | 156 | Mooney, Peter (1569) | Won 2-1 | +201502 |
| 3sealed | 83 | Martinello da Costa, Paulo Henrique (1598) | Lost 0-2 | -161486 |
| 4sealed | 221 | Canfield, Jonathan (1569) | Won 2-0 | +191505 |
| 5sealed | 76 | Brown, Casey (1542) | Lost 0-2 | -171488 |
| 6sealed | 196 | Fazio, Matthew (1519) | Lost 0-2 | -181470 |
| top | average opponent: 1543record: 3-3 | new rating: 1470 | ||
| Grand Prix Orlando 2012 (ISD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 39 | Soowal, Nathan (1500) | Draw 1-1 | 01500 |
| 3standard | 173 | Williams, Zachary (1539) | Won 2-1 | +191519 |
| 4standard | 147 | Wilkerson, Tyler (1451) | Lost 0-2 | -201499 |
| 5standard | 230 | Vickers, Justin A (1531) | Lost 1-2 | -171482 |
| 6standard | 300 | McGovern, Clint (1499) | Lost 0-2 | -181464 |
| top | average opponent: 1504record: 1-3-1 | new rating: 1464 | ||