Walton, Keith
Current rating: 1410
Record: 11-18
| Grand Prix Seattle-Tacoma 2015 (legacy) | starting rating: 1430 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 114 | MacDonald, Dylan (1734) | Lost 1-2 | -131417 |
| 2legacy | 741 | Szatkowski, David (1351) | Won 2-0 | +171434 |
| 3legacy | 661 | Trujillo, Vale (1478) | Won 2-0 | +191453 |
| 4legacy | 450 | Lu, Hsiu-Chi (1589) | Lost 1-2 | -161437 |
| 5legacy | 626 | Fehling, Patrick (1701) | Lost 0-2 | -131424 |
| 6legacy | 648 | Stott, Ian (1533) | Won 2-1 | +201444 |
| 7legacy | 504 | Wigham, Wesley (1531) | Lost 1-2 | -171427 |
| 8legacy | 413 | Williamson, Bruce (1483) | Lost 0-2 | -171410 |
| top | average opponent: 1550record: 3-5 | new rating: 1410 | ||
| Grand Prix Washington DC 2014 (JOU limited) | starting rating: 1441 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 241 | McMurry, Christopher (1618) | Lost 1-2 | -151426 |
| 2sealed | 429 | Brown, Jordan (1441) | Won 2-0 | +181444 |
| 3sealed | 390 | Swick, Scott (1491) | Lost 1-2 | -171427 |
| 4sealed | 530 | Allard, Michelle (1482) | Won 2-0 | +191446 |
| 5sealed | 478 | Travis, Boyce (1523) | Lost 1-2 | -161430 |
| top | average opponent: 1511record: 2-3 | new rating: 1430 | ||
| Grand Prix Calgary 2013 (M14 standard) | starting rating: 1436 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 97 | Lee, Dennis (1500) | Won 0-0 | +191455 |
| 2standard | 163 | Holwerda, Kyle (1518) | Won 2-1 | +201475 |
| 3standard | 144 | Robertson, Ian (1555) | Lost 1-2 | -171458 |
| 4standard | 249 | Kennedy, John (1509) | Lost 0-2 | -171441 |
| top | average opponent: 1520record: 2-2 | new rating: 1441 | ||
| Grand Prix Vancouver 2012 (AVR limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 90 | Sage, Tyler (1724) | Lost 1-2 | -131450 |
| 2sealed | 215 | Chow, Calvin K (1482) | Won 2-1 | +191469 |
| 3sealed | 296 | Orr, Daniel (1573) | Lost 1-2 | -171452 |
| 4sealed | 320 | Parks, Aaron (1464) | Won 2-1 | +191471 |
| 5sealed | 283 | Connelly, Andrew (1486) | Lost 0-2 | -181453 |
| 6sealed | 255 | Pak, Johnny (1486) | Won 2-1 | +191472 |
| 7sealed | 208 | Zanetic, Ted (1481) | Lost 0-2 | -181454 |
| 8sealed | 175 | Bastos, Russell (1480) | Lost 0-2 | -181436 |
| top | average opponent: 1522record: 3-5 | new rating: 1436 | ||
| Grand Prix Seattle-Tacoma 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 68 | Andress, David (1466) | Lost 0-2 | -191481 |
| 2sealed | 454 | Pine, Ricky (1531) | Lost 1-2 | -171464 |
| 3sealed | 499 | Melendy, Mark (1412) | Won 2-1 | +171481 |
| 4sealed | 436 | Drakos, Daniel (1482) | Lost 0-2 | -181463 |
| top | average opponent: 1473record: 1-3 | new rating: 1463 | ||