Tolson, JB
Current rating: 1464
Record: 1-3
| Grand Prix Oakland 2013 (M14 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 99 | Cheifetz, Rob (1500) | Lost 0-2 | -181482 |
| 2sealed | 487 | Lee, Hyung (1481) | Won 2-0 | +181500 |
| 3sealed | 573 | Li, Wilson (1501) | Lost 0-2 | -181482 |
| 4sealed | 640 | Kirk, Bryan (1482) | Lost 1-2 | -181464 |
| average opponent: 1491record: 1-3 | new rating: 1464 | |||