Cornwell, River
Current rating: 1472
Record: 8-10
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 445 | Moritz, Sam (1466) | Lost 0-2 | -171430 |
| 2modern | 807 | Myers, Daniel (1441) | Won 2-1 | +181448 |
| 3modern | 877 | Buenrostro, Jesus (1748) | Lost 0-2 | -131435 |
| 4modern | 1141 | Clark, Shawn (1541) | Lost 0-2 | -161419 |
| 5modern | 2189 | McCann, Barbara (1361) | Won 2-1 | +171436 |
| 6modern | 1167 | White, Tim (1487) | Won 2-1 | +191455 |
| 7modern | 1013 | Cain, Jonathan (1505) | Won 2-0 | +191474 |
| 8modern | 539 | McMillan, Shelly (1324) | Lost 1-2 | -211453 |
| 9modern | 722 | Richter, Matthew (1488) | Won 2-1 | +191472 |
| average opponent: 1485record: 5-4 | new rating: 1472 | |||
| Grand Prix Los Angeles 2016 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 193 | Hsu, Allen (1500) | Lost 1-2 | -181482 |
| 2modern | 582 | Leigh, James (1536) | Lost 0-2 | -171465 |
| 3modern | 1060 | Mok, Jason (1473) | Lost 0-2 | -181447 |
| 4modern | 1062 | Moranville, Alicia (1447) | Won 2-1 | +181465 |
| 5modern | 1003 | Muldoon, Jesse (1423) | Lost 0-2 | -191446 |
| 6modern | 907 | Chu, Melody (1487) | Lost 1-2 | -171429 |
| 7modern | 831 | Cota, Valerie (1429) | Won 2-0 | +181447 |
| 8modern | 686 | Torres, Angelo (1450) | Lost 0-2 | -181429 |
| 9modern | 580 | Hirshowitz, Leo (1431) | Won 2-1 | +181447 |
| average opponent: 1464record: 3-6 | new rating: 1447 | |||