Lewis, John
Current rating: 1434
Record: 11-17
| Grand Prix Dallas-Fort Worth 2019 (modern) | starting rating: 1439 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 151 | Flores, Christopher (1602) | Lost 0-2 | -151424 |
| 2modern | 449 | Fitzgerald, Reston (1486) | Won 2-0 | +191443 |
| 3modern | 408 | Brooks, Joe (1537) | Lost 0-2 | -161427 |
| 4modern | 506 | Stroup, Justin (1465) | Lost 0-2 | -181409 |
| 5modern | 480 | Mcdaris, Maxwell (1465) | Won 2-0 | +191428 |
| 6modern | 364 | Kurtzman, Andrew (1527) | Won 2-1 | +201448 |
| 7modern | 316 | Bresett, John (1669) | Lost 1-2 | -141434 |
| top | average opponent: 1536record: 3-4 | new rating: 1434 | ||
| Grand Prix Dallas-Fort Worth 2016 (modern) | starting rating: 1408 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 674 | Garza, Jason (1500) | Won 2-1 | +201428 |
| 2modern | 230 | Moreno, Raine (1564) | Lost 0-2 | -151413 |
| 3modern | 519 | Zollo, Jonathan (1501) | Won 2-0 | +191432 |
| 4modern | 249 | Robertson, Christopher (1516) | Won 2-0 | +201452 |
| 5modern | 262 | Ulanov, Denis (1721) | Won 2-1 | +231475 |
| 6modern | 181 | Economy, Alexander (1554) | Lost 0-2 | -171458 |
| 7modern | 202 | Guardiano, Patrick (1825) | Lost 0-2 | -121446 |
| 8modern | 329 | Weiss, Joseph (1538) | Won 2-1 | +201466 |
| 9modern | 258 | Petkov, Kaloyan (1457) | Won 2-1 | +181484 |
| 10modern | 285 | Rodriguez, Christian (1614) | Lost 0-2 | -161468 |
| 11modern | 219 | Creed, Benjamin (1483) | Lost 1-2 | -171451 |
| 12modern | 254 | Cuillier, Paul (1817) | Lost 1-2 | -121439 |
| top | average opponent: 1591record: 6-6 | new rating: 1439 | ||
| Grand Prix Liverpool 2015 (FRF limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 623 | Sanzeri, Daniel (1500) | Lost 0-2 | -181482 |
| 2sealed | 585 | Rodgers, Kevin T (1481) | Won 2-1 | +181500 |
| 3sealed | 541 | Frith, Oliver (1501) | Lost 0-2 | -181482 |
| 4sealed | 596 | Bohlender, Esra (1525) | Lost 0-2 | -171465 |
| 5sealed | 697 | Mosquera Prieto, Richard (1465) | Lost 1-2 | -181447 |
| 6sealed | 579 | Tokle, Thord (1447) | Lost 0-2 | -181429 |
| 7sealed | 459 | Pybus, Samuel (1352) | Won 2-0 | +161445 |
| 8sealed | 348 | Etman, Tim (1399) | Lost 0-2 | -181427 |
| 9sealed | 286 | Freestone, Freya (1424) | Lost 0-2 | -191408 |
| top | average opponent: 1455record: 2-7 | new rating: 1408 | ||