Coffey, Michael
Current rating: 1502
Record: 3-3
| Grand Prix Washington DC 2019 (MH1 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 136 | Wong, Michael (1405) | Lost 1-2 | -201480 |
| 2sealed | 413 | Trang, Bao (1486) | Won 0-0 | +181498 |
| 3sealed | 452 | Page, Veronica (1711) | Won 2-0 | +221520 |
| 4sealed | 237 | Biser, Joshua (1503) | Won 2-0 | +181538 |
| 5sealed | 220 | Pincus, Aaron (1534) | Lost 0-2 | -181520 |
| 6sealed | 279 | Fonseka, Aruna (1550) | Lost 1-2 | -181502 |
| average opponent: 1531record: 3-3 | new rating: 1502 | |||