Tolson, Ralph
Current rating: 1464
Record: 2-4-1
| Grand Prix Oakland 2013 (M14 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 310 | Larson, Andrew (1522) | Lost 0-2 | -181482 |
| 2sealed | 547 | Villarreal, Alejandro (1482) | Draw 1-1 | 01482 |
| 3sealed | 617 | Koperwas, Filip (1483) | Won 1-0 | +181500 |
| 4sealed | 484 | Nguyen, Hai (1484) | Won 2-0 | +181518 |
| 5sealed | 335 | Watts, Timothy (1502) | Lost 0-1 | -181500 |
| 6sealed | 421 | Ibrahim, Alan (1498) | Lost 1-2 | -181482 |
| 7sealed | 372 | Schuffenhauer, Derek (1483) | Lost 0-2 | -181464 |
| average opponent: 1494record: 2-4-1 | new rating: 1464 | |||