Watson, Collin
Current rating: 1531
Record: 8-7
| Grand Prix Phoenix 2020 (pioneer) | starting rating: 1476 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 80 | Way, Dustin (1595) | Won 2-1 | +201496 |
| 2pioneer | 45 | Larsen, Lars (1355) | Won 2-1 | +151511 |
| 3pioneer | 25 | Wong, Daniel (1765) | Lost 0-2 | -131498 |
| 4pioneer | 231 | Garcia German, Luis (1518) | Won 2-0 | +181516 |
| 5pioneer | 156 | Iaali, Christopher (1778) | Lost 0-2 | -131503 |
| 6pioneer | 244 | Go, Tamon (1626) | Won 2-0 | +201523 |
| 7pioneer | 184 | Gonzalez, Fernando David (1976) | Lost 1-2 | -101513 |
| 8pioneer | 180 | Pratt, Rick (1517) | Won 2-0 | +181531 |
| average opponent: 1641record: 5-3 | new rating: 1531 | |||
| Grand Prix Phoenix 2019 (ELD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 39 | Burke, Martin (1446) | Lost 1-2 | -191481 |
| 2sealed | 171 | Carter, Justin (1432) | Won 2-0 | +171498 |
| 3sealed | 219 | Rochford, James (1433) | Lost 1-2 | -191479 |
| 4sealed | 225 | Williams, Ian (1338) | Won 2-1 | +151494 |
| 5sealed | 197 | Ngo, Jennifer (1460) | Won 2-0 | +181512 |
| 6sealed | 108 | Swen, Hawnlay (1549) | Lost 1-2 | -181494 |
| 7sealed | 145 | Williams, Corey (1464) | Lost 0-2 | -181476 |
| average opponent: 1446record: 3-4 | new rating: 1476 | |||