Mathys, Hiroshi
Current rating: 1468
Record: 2-4
| Grand Prix Los Angeles 2018 (M19 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 196 | Nguyen, Henry (1519) | Won 2-0 | +181518 |
| 2standard | 220 | Sarkissian, Serge (1510) | Lost 0-2 | -181500 |
| 3standard | 267 | Milechman, Max (1789) | Lost 1-2 | -131487 |
| 4standard | 378 | Newlon, Trent (1483) | Won 2-0 | +181505 |
| 5standard | 338 | Cating, Brandon (1514) | Lost 0-2 | -181487 |
| 6standard | 337 | Padilla, Alberto (1397) | Lost 0-2 | -191468 |
| average opponent: 1535record: 2-4 | new rating: 1468 | |||