Sirtonski, Shawn
Current rating: 1512
Record: 7-7
| Grand Prix Dallas-Fort Worth 2013 (THS standard) | starting rating: 1525 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 204 | Orrmons, Kale (1500) | Won 2-0 | +171542 |
| 2standard | 104 | Rodriguez, Irving (1518) | Won 2-0 | +181560 |
| 3standard | 201 | Kirner, Andrew (1576) | Won 2-0 | +181578 |
| 4standard | 156 | Hoffman, Kris (1576) | Lost 0-2 | -181560 |
| 5standard | 220 | Mcclain, Josh (1982) | Lost 1-2 | -111549 |
| 6standard | 330 | Jacob, Conor (1516) | Lost 0-2 | -181531 |
| 7standard | 333 | Allard, Jason (1503) | Lost 0-2 | -191512 |
| average opponent: 1596record: 3-4 | new rating: 1512 | |||
| Grand Prix Oklahoma City 2013 (THS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 343 | Kwan, Kevin (1500) | Lost 0-1 | -181482 |
| 2sealed | 414 | Ochoa, Tony (1484) | Won 2-0 | +181500 |
| 3sealed | 512 | Tomlinson, Matt (1497) | Won 2-0 | +181518 |
| 4sealed | 403 | Ahmed, Sultan (1519) | Won 2-0 | +181536 |
| 5sealed | 279 | Farnung, Ian (1858) | Won 2-1 | +241560 |
| 6sealed | 173 | Mining, Andrew (1634) | Lost 0-2 | -171543 |
| 7sealed | 283 | Acrey, Zachary (1534) | Lost 1-2 | -181525 |
| average opponent: 1575record: 4-3 | new rating: 1525 | |||