Osborne-Koch, Matthew
Current rating: 1416
Record: 3-8
| Grand Prix Seattle 2018 (standard) (RIX standard) | starting rating: 1405 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 363 | Reyes, Mason (1500) | Lost 1-2 | -161389 |
| 2standard | 544 | Hernandez, Ruben (1400) | Won 2-0 | +181407 |
| 3standard | 388 | Staples-Weyrauch, Kris (1500) | Lost 1-2 | -161391 |
| 4standard | 579 | Brittain, Jeremiah (1392) | Won 2-1 | +181409 |
| 5standard | 483 | Miller, Wilson (1436) | Won 2-0 | +181427 |
| 6standard | 297 | Inada, Scott (1792) | Lost 0-2 | -111416 |
| average opponent: 1503record: 3-3 | new rating: 1416 | |||
| Grand Prix Portland 2017 (XLN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 361 | Penfield, Matt (1465) | Lost 1-2 | -191481 |
| 2standard | 549 | Morales, Ashton (1343) | Lost 0-2 | -201461 |
| 3standard | 696 | Pall-Pareek, Aditya (1464) | Lost 0-2 | -181443 |
| 4standard | 765 | Brisset, Noah (1447) | Lost 1-2 | -181425 |
| 5standard | 759 | Gilbert, Tyson (1324) | Lost 0-2 | -201405 |
| average opponent: 1408record: 0-5 | new rating: 1405 | |||