Lewis, Jacob
Current rating: 1457
Record: 11-14-1
| Grand Prix Pittsburgh 2017 (AER standard) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 188 | Farrenkopf, Brian (1574) | Lost 0-2 | -171470 |
| 4standard | 317 | Rianhard, Cain (1657) | Lost 0-2 | -141456 |
| 5standard | 415 | Gorski, Andrew (1499) | Won 2-0 | +181474 |
| 6standard | 297 | Giannopoulos, Steve (1517) | Lost 1-2 | -171457 |
| top | average opponent: 1562record: 1-3 | new rating: 1457 | ||
| Grand Prix Indianapolis 2016 (modern) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 416 | Solorzano, Michaelle (1736) | Won 2-1 | +221520 |
| 2modern | 124 | Lutz, Bret (1499) | Lost 0-2 | -181502 |
| 3modern | 607 | Lauricella, John (1514) | Won 2-0 | +181520 |
| 4modern | 336 | Echavarria, Vincent (1503) | Lost 1-2 | -181502 |
| 5modern | 456 | Mayer, Scott (1596) | Lost 0-2 | -161486 |
| 6modern | 770 | Speerbrecker, Jesse (1464) | Won 2-1 | +171503 |
| 7modern | 548 | Melanson, Chris (1544) | Lost 1-2 | -171486 |
| 8modern | 609 | Garber, Lucas (1467) | Won 2-1 | +181504 |
| 9modern | 432 | Bugenhagen, Jeff (1554) | Lost 1-2 | -171487 |
| top | average opponent: 1542record: 4-5 | new rating: 1487 | ||
| Grand Prix Dallas-Fort Worth 2015 (ORI limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 51 | Monk, David (1500) | Won 2-0 | +181518 |
| 2sealed | 221 | Stone, David (1443) | Lost 0-2 | -191499 |
| 3sealed | 49 | Dupree, Benjamin (1499) | Lost 1-2 | -181481 |
| 4sealed | 580 | Toilolo, James (1483) | Won 2-1 | +181499 |
| 5sealed | 594 | Luzier, Justin (1500) | Won 2-0 | +181517 |
| 6sealed | 345 | Liberto, Lance (1472) | Lost 0-2 | -191498 |
| top | average opponent: 1483record: 3-3 | new rating: 1498 | ||
| Grand Prix Chicago 2014 (JOU standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 118 | Everett, Brandon (1500) | Draw 1-1 | 01500 |
| 2standard | 250 | Thomas, Tanner (1651) | Lost 1-2 | -151485 |
| 3standard | 404 | Yu, Victor (1463) | Won 2-0 | +171502 |
| 4standard | 323 | Szobar, Brian (1498) | Won 2-0 | +181520 |
| 5standard | 220 | Madda, Leo (1487) | Won 0-0 | +181538 |
| 6standard | 137 | Bogdanov, Dennis (1514) | Lost 1-2 | -191519 |
| 7standard | 214 | Gesumaria, Jason (1468) | Lost 0-2 | -191500 |
| top | average opponent: 1512record: 3-3-1 | new rating: 1500 | ||