Lewis, Katie
Current rating: 1580
Record: 17-14-1
| Grand Prix Baltimore 2012 (DKA standard) | starting rating: 1607 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 130 | Michael, Kevin (1592) | Lost 1-2 | -181589 |
| 4standard | 486 | Callaway, Adam (1493) | Won 2-0 | +161605 |
| 5standard | 148 | Marshall, Chris (1522) | Lost 0-2 | -201585 |
| 6standard | 433 | Ross, Anthony G (1523) | Won 2-1 | +171602 |
| 7standard | 272 | Berry, Craig (1559) | Lost 1-2 | -191583 |
| 8standard | 282 | Evaldi, Mark (1488) | Lost 0-2 | -191564 |
| 9standard | 249 | Boeve-Winquist, Benjamin (1498) | Won 2-0 | +161580 |
| top | average opponent: 1525record: 3-4 | new rating: 1580 | ||
| Grand Prix Orlando 2012 (ISD standard) | starting rating: 1519 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 43 | Wisniewski, Kristofer (1554) | Lost 0-2 | -171502 |
| 5standard | 187 | Fitchko, William (1594) | Lost 0-2 | -171485 |
| 6standard | 261 | Cole, James (1502) | Won 2-1 | +191504 |
| 7standard | 135 | Jacobson, Mary (1571) | Won 2-0 | +191523 |
| 8standard | 120 | Boccio, Matthew (1837) | Won 2-0 | +231546 |
| 9standard | 45 | Ziemba, Brian (1529) | Won 2-1 | +181564 |
| 10standard | 38 | Mendez, James (1585) | Won 2-1 | +181582 |
| 11standard | 14 | Zornes, James (1879) | Won 2-1 | +241606 |
| 12standard | 13 | Aeschbacher, David (1534) | Won 2-1 | +161622 |
| 13standard | 8 | Duncan, Kyle A (1639) | Won 2-1 | +191641 |
| 14standard | 5 | Nieves, Gabriel (1681) | Lost 0-2 | -181623 |
| 15standard | 15 | Nasiff, Jose (1702) | Lost 1-2 | -161607 |
| top | average opponent: 1634record: 8-4 | new rating: 1607 | ||
| Grand Prix Austin 2012 (ISD limited) | starting rating: 1491 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 153 | Ferrando, Matthew (1742) | Lost 0-2 | -131478 |
| 4sealed | 308 | Hendrix, Carl (1684) | Won 2-1 | +221500 |
| 5sealed | 153 | Snow, Matthew (1519) | Won 2-0 | +181518 |
| 6sealed | 142 | Thompson, Daniel (1490) | Lost 1-2 | -191499 |
| 7sealed | 116 | Dupree, Benjamin (1519) | Won 2-0 | +191518 |
| 8sealed | 142 | Friedman, Michael (1601) | Won 2-1 | +191537 |
| 9sealed | 94 | Grusenmeyer, Matthew P (1512) | Lost 1-2 | -181519 |
| top | average opponent: 1581record: 4-3 | new rating: 1519 | ||
| Grand Prix Montreal 2011 (M12 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 401 | Flores, Edgar (1689) | Lost 1-2 | -151485 |
| 5sealed | 442 | Proano, Gina (1556) | Draw 1-1 | +21487 |
| 6sealed | 421 | Lefebvre, Michael J (1552) | Lost 0-2 | -171470 |
| 7sealed | 456 | Beaulieu, Marc (1518) | Lost 0-2 | -171453 |
| 8sealed | 455 | Durette, Jean-Francois (1534) | Won 2-1 | +191472 |
| 9sealed | 428 | Savard, Jean-Philippe (1540) | Won 2-0 | +191491 |
| top | average opponent: 1565record: 2-3-1 | new rating: 1491 | ||