Wiersma, Brad
Current rating: 1500
Record: 2-2
| Grand Prix Toronto 2013 (THS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 358 | Garratt, Joshua (1503) | Won 2-0 | +181518 |
| 2sealed | 102 | Tremblay, Sebastien (1528) | Lost 0-2 | -181500 |
| 3sealed | 406 | Godden, Joshua (1500) | Won 2-0 | +181518 |
| 4sealed | 464 | Madore, Blair (1518) | Lost 0-2 | -181500 |
| average opponent: 1512record: 2-2 | new rating: 1500 | |||