Gaston, Samuel
Current rating: 1399
Record: 3-9-2
| Grand Prix Portland 2018 (modern) | starting rating: 1407 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 293 | Hallman, Loren (1377) | Won 2-1 | +181425 |
| 2modern | 61 | McLaughlin, Patrick (1571) | Lost 0-2 | -161409 |
| 3modern | 512 | Iams, Garrison (1589) | Lost 0-2 | -141395 |
| 4modern | 756 | Cobb, Axel (1520) | Won 2-1 | +201415 |
| 5modern | 545 | Washburn, Justin (1435) | Draw 1-1 | 01415 |
| 6modern | 516 | Bingham, Cody (1498) | Lost 0-2 | -161399 |
| average opponent: 1498record: 2-3-1 | new rating: 1399 | |||
| Grand Prix Seattle 2018 (standard) (RIX standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 77 | Sosne, Michael (1500) | Lost 0-2 | -181482 |
| 2standard | 515 | Hennessey, Jeremy (1381) | Lost 0-2 | -201462 |
| 3standard | 677 | Escobedo, Antonio (1464) | Draw 1-1 | 01462 |
| 4standard | 638 | Williamson, Mark (1446) | Lost 0-2 | -181444 |
| 5standard | 598 | Ortiz, Candelario (1464) | Lost 0-2 | -181426 |
| 6standard | 524 | Priest, Deborah (1394) | Won 2-1 | +181444 |
| 7standard | 436 | Mayers, Nicholas (1429) | Lost 0-2 | -191425 |
| 8standard | 364 | Hanson, Zachary (1422) | Lost 0-2 | -181407 |
| average opponent: 1438record: 1-6-1 | new rating: 1407 | |||