Mathies, Ben
Current rating: 1484
Record: 4-5-3
| Grand Prix Seattle-Tacoma 2012 (DKA limited) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 228 | DeAngelis, Danny (1500) | Lost 0-2 | -181466 |
| 2sealed | 424 | Intogna, Ruthy (1482) | Draw 1-1 | 01466 |
| 3sealed | 434 | Zombik, Stephan (1482) | Won 2-0 | +191485 |
| 4sealed | 371 | wige, sam (1500) | Draw 1-1 | 01485 |
| 5sealed | 430 | Kitchpanich, Alexandri (1450) | Won 2-0 | +171502 |
| 6sealed | 338 | Salahub, Nelson (1469) | Lost 0-2 | -181484 |
| average opponent: 1481record: 2-2-2 | new rating: 1484 | |||
| Grand Prix Seattle 2005 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 8 | Haney, Jeremy (1465) | Lost 1-2 | -191481 |
| 2extended | 108 | Rider, Justin (1625) | Lost 0-2 | -151466 |
| 3extended | 165 | Blain, Michael (1465) | Won 2-0 | +181484 |
| 4extended | 136 | Karmol, Stephen (1482) | Won 2-1 | +181502 |
| 5extended | 134 | Thackeray, Rick (1484) | Draw 1-1 | 01502 |
| 6extended | 117 | Nakamura, Gary (1503) | Lost 1-2 | -181484 |
| average opponent: 1504record: 2-3-1 | new rating: 1484 | |||