Mattes, Martin
Current rating: 1430
Record: 1-5
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 397 | Eyler, Robert (1500) | Lost 1-2 | -171428 |
| 2sealed | 405 | Murphy, Justin (1479) | Won 2-1 | +191447 |
| 3sealed | 299 | Xie, Xinyan (1499) | Lost 0-2 | -171430 |
| average opponent: 1493record: 1-2 | new rating: 1430 | |||
| Grand Prix Phoenix 2014 (BNG standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 2 | Tafoya, Michael (1500) | Lost 0-2 | -181482 |
| 2standard | 548 | Gille, Randolph (1452) | Lost 0-2 | -191463 |
| 3standard | 631 | Higgins, Eric (1448) | Lost 1-2 | -181445 |
| average opponent: 1467record: 0-3 | new rating: 1445 | |||