Kostal, Greg
Current rating: 1483
Record: 3-4
| Grand Prix Toronto 2013 (THS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 70 | Grant, Drew (1500) | Lost 0-2 | -181482 |
| 2sealed | 70 | Ramkay, Steven (1329) | Won 2-0 | +151497 |
| 3sealed | 70 | Stojanov, Aleks (1501) | Won 2-1 | +181515 |
| 4sealed | 70 | Chesnais, Patrick (1500) | Won 2-1 | +181533 |
| 5sealed | 70 | Chitiz, Alon (1774) | Lost 0-2 | -141519 |
| 6sealed | 67 | Kim, Jason (1518) | Lost 1-2 | -181501 |
| 7sealed | 70 | Louie, Justin (1482) | Lost 0-2 | -181483 |
| average opponent: 1515record: 3-4 | new rating: 1483 | |||