Shirley, Michael
Current rating: 1459
Record: 3-5
| Grand Prix Phoenix 2020 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 184 | Jones, Cameron (1427) | Lost 0-2 | -191481 |
| 2pioneer | 293 | Kniskern, Michael (1361) | Lost 1-2 | -201461 |
| 3pioneer | 425 | Wagenfuhr, Michael (1434) | Lost 1-2 | -191442 |
| 4pioneer | 437 | Capati, Mara Katrina (1447) | Won 2-1 | +181460 |
| 5pioneer | 373 | Bradley, Justin (1461) | Won 2-1 | +181478 |
| 6pioneer | 305 | Lowe, Benjamin (1454) | Lost 1-2 | -181460 |
| 7pioneer | 254 | Nichols, Ethan (1462) | Won 2-0 | +181478 |
| 8pioneer | 193 | Herring, Walker (1455) | Lost 1-2 | -191459 |
| average opponent: 1438record: 3-5 | new rating: 1459 | |||