Vallotton, Cory
Current rating: 1553
Record: 9-7
| Grand Prix Seattle 2018 (standard) (RIX standard) | starting rating: 1593 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 111 | Weaver, Brandon (1459) | Lost 0-2 | -211572 |
| 2standard | 371 | Wills, Douglas (1521) | Lost 0-1 | -191553 |
| average opponent: 1490record: 0-2 | new rating: 1553 | |||
| Grand Prix Portland 2017 (XLN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 520 | Hackleman, Christopher (1500) | Won 2-0 | +181518 |
| 2standard | 356 | Piercy, Austin (1518) | Won 2-0 | +181536 |
| 3standard | 225 | Kirshon, Daniel (1590) | Won 2-1 | +191555 |
| 4standard | 143 | Kahovec, Nate (1687) | Lost 0-2 | -161539 |
| 5standard | 205 | Campbell, Cole (1541) | Won 2-0 | +181557 |
| 6standard | 112 | Nabi, Basil (1899) | Won 2-1 | +241581 |
| 7standard | 55 | Gordy, Chris (1602) | Lost 0-2 | -171564 |
| 8standard | 135 | Heins, Daniel (1615) | Lost 1-2 | -171547 |
| 9standard | 239 | Birrell, Ian (1740) | Won 2-1 | +211568 |
| 10standard | 167 | Jobe, Justin (1562) | Won 2-1 | +181586 |
| 11standard | 96 | Lashley, Daniel (1586) | Won 2-1 | +181604 |
| 12standard | 70 | Christensen, Oscar (1945) | Lost 1-2 | -121592 |
| 13standard | 79 | Schroeder, Brian (1573) | Won 2-1 | +181610 |
| 14standard | 50 | Collins, Eamonn (1657) | Lost 0-2 | -171593 |
| average opponent: 1644record: 9-5 | new rating: 1593 | |||