Tafoya, Jacob
Current rating: 1460
Record: 7-10
| Grand Prix Las Vegas 2018 (limited) (DOM limited) | starting rating: 1497 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 371 | Fatale, Alfred (1628) | Won 2-1 | +211518 |
| 2sealed | 367 | Myers, Jason (1464) | Lost 0-2 | -191499 |
| 3sealed | 628 | Kram, Benjamin (1458) | Lost 1-2 | -191480 |
| 4sealed | 666 | Castera, Max (1376) | Lost 0-2 | -201460 |
| top | average opponent: 1481record: 1-3 | new rating: 1460 | ||
| Grand Prix Las Vegas 2017 (limited) (AKH limited) | starting rating: 1525 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 64 | Roth, Thomas (1608) | Won 2-1 | +201545 |
| 2sealed | 159 | Fulgium, James (1957) | Lost 1-2 | -111534 |
| 3sealed | 638 | Grunden, Jason (1512) | Lost 1-2 | -181516 |
| 4sealed | 947 | Dube, Andre (1445) | Lost 1-2 | -201496 |
| 5sealed | 935 | Garner, Robert (1347) | Won 2-0 | +161512 |
| 6sealed | 818 | Swanson, Erik (1724) | Lost 0-2 | -151497 |
| top | average opponent: 1599record: 2-4 | new rating: 1497 | ||
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 55 | Tautic, Raymond (1903) | Won 2-0 | +251525 |
| 2sealed | 88 | Fletcher, Eric (1580) | Lost 0-2 | -171508 |
| 3sealed | 177 | Sanders, Benjamin (1500) | Won 2-1 | +181526 |
| 4sealed | 155 | DuVall, Zachary (1410) | Won 2-0 | +161542 |
| 5sealed | 121 | Rosen, Richard (1646) | Lost 0-2 | -161526 |
| 6sealed | 133 | Lang, Ben (1534) | Won 2-0 | +181544 |
| 7sealed | 83 | Tang, Frederick (1525) | Lost 0-2 | -191525 |
| top | average opponent: 1586record: 4-3 | new rating: 1525 | ||