Lamb, Colton
Current rating: 1431
Record: 2-6
| Grand Prix San Antonio 2012 (RTR standard) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 51 | Henderson, Matthew (1500) | Lost 1-2 | -181447 |
| 2standard | 219 | Solis, Jonathan (1490) | Won 2-1 | +191466 |
| 3standard | 154 | Forester, Lauren (1500) | Lost 1-2 | -171449 |
| 4standard | 253 | Potter, Aaron (1466) | Lost 1-2 | -181431 |
| average opponent: 1489record: 1-3 | new rating: 1431 | |||
| Grand Prix Austin 2012 (ISD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 215 | Medina, Ricardo E (1517) | Won 2-1 | +181518 |
| 3sealed | 113 | Payne, Andrew (1500) | Lost 0-2 | -181500 |
| 4sealed | 193 | Wood, Tanner (1518) | Lost 0-2 | -181482 |
| 5sealed | 260 | Horton, Cody (1496) | Lost 0-2 | -171465 |
| average opponent: 1508record: 1-3 | new rating: 1465 | |||