Drews, Ken
Current rating: 1385
Record: 15-25-1
| Grand Prix Las Vegas 2019 (modern) (modern) | starting rating: 1413 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 279 | Rhoades, Evan (1343) | Lost 0-2 | -191394 |
| 2modern | 504 | Egan, Kevin (1684) | Lost 1-2 | -131381 |
| 3modern | 729 | Mullins, John (1464) | Won 2-1 | +201401 |
| 4modern | 719 | Baker, Michael (1537) | Lost 0-2 | -161385 |
| top | average opponent: 1507record: 1-3 | new rating: 1385 | ||
| Grand Prix Las Vegas 2017 (legacy) (legacy) | starting rating: 1460 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 127 | Trice, Jason (1471) | Won 2-0 | +191479 |
| 4legacy | 2116 | Gladin, Christopher (1532) | Lost 0-2 | -181461 |
| 5legacy | 306 | Re, Joseph (1400) | Lost 0-2 | -191442 |
| 6legacy | 447 | Rosario, Edgar (1568) | Lost 0-2 | -151427 |
| 7legacy | 768 | Weigman, Gary (1535) | Lost 1-2 | -161411 |
| 8legacy | 2149 | Auge, Chris (1527) | Won 2-0 | +201431 |
| 9legacy | 582 | Maune, Sarah (1462) | Lost 0-2 | -181413 |
| top | average opponent: 1499record: 2-5 | new rating: 1413 | ||
| Grand Prix San Jose 2017 (AER limited) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 23 | Jose, Tim (1545) | Lost 0-2 | -171468 |
| 3sealed | 545 | Riecks, Matthew (1708) | Lost 0-2 | -131455 |
| 4sealed | 772 | Marques, John (1481) | Won 2-1 | +181473 |
| 5sealed | 537 | Ho, Eugene (1768) | Lost 0-2 | -131460 |
| top | average opponent: 1626record: 1-3 | new rating: 1460 | ||
| Grand Prix Los Angeles 2016 (modern) | starting rating: 1472 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 37 | Eriksson, Kjell (1563) | Won 2-1 | +201492 |
| 3modern | 70 | Ip, Chun Hang (1610) | Lost 1-2 | -161476 |
| 4modern | 336 | Ballez, Danny (1431) | Won 2-0 | +171493 |
| 5modern | 244 | Falk, Coleman (1648) | Lost 0-2 | -151478 |
| 6modern | 480 | Chen, Jeffrey (1533) | Won 2-0 | +191497 |
| 7modern | 397 | ReCasino, Matthew (1540) | Lost 1-2 | -171480 |
| 8modern | 374 | Espinoza, Daniel (1561) | Won 2-1 | +191499 |
| 9modern | 264 | Froehlich, Athena (1720) | Lost 1-2 | -141485 |
| top | average opponent: 1576record: 4-4 | new rating: 1485 | ||
| Grand Prix Oakland 2016 (BFZ standard) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 112 | Dickman, Jeffery (1469) | Lost 1-2 | -181443 |
| 3standard | 637 | Castaneda, Jan Karlo (1500) | Won 2-0 | +191462 |
| 4standard | 228 | Godinho, Greg (1520) | Won 2-1 | +191481 |
| 5standard | 289 | Rue, Tonton (1524) | Won 2-0 | +191500 |
| 6standard | 116 | Brewe, Garth (1494) | Lost 0-2 | -181482 |
| 7standard | 313 | Cabanero, Erik (1670) | Won 2-0 | +211503 |
| 8standard | 242 | Carewicz, Cameron (1645) | Lost 0-2 | -151488 |
| 9standard | 298 | Crosby, Brandon (1628) | Lost 0-2 | -161472 |
| top | average opponent: 1556record: 4-4 | new rating: 1472 | ||
| Grand Prix San Diego 2015 (ORI standard) | starting rating: 1493 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 234 | Alferez, Marcelo (1500) | Won 2-1 | +181511 |
| 3standard | 292 | Fagundes, Marina (1577) | Lost 1-2 | -171494 |
| 4standard | 229 | Phillips, Steven (1458) | Draw 1-1 | -11493 |
| 5standard | 306 | Cobb, Brandon (1527) | Lost 1-2 | -171476 |
| 6standard | 426 | Griffin, Christian (1635) | Lost 1-2 | -151461 |
| top | average opponent: 1539record: 1-3-1 | new rating: 1461 | ||
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 12 | Randall, Richard (1632) | Lost 1-2 | -161484 |
| 4sealed | 162 | Greb, Chuck (1530) | Won 2-0 | +191503 |
| 5sealed | 64 | Hanna, Andrew (1591) | Won 2-1 | +201523 |
| 6sealed | 78 | Chu, Kevin (1764) | Lost 0-2 | -141509 |
| 7sealed | 84 | Cardwell, Chris (1589) | Lost 0-2 | -161493 |
| top | average opponent: 1621record: 2-3 | new rating: 1493 | ||