Mickelson, Ethan
Current rating: 1383
Record: 10-19-1
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1363 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 502 | Nakayama, Christopher (1500) | Won 2-1 | +211384 |
| 2modern | 279 | McMillen, John (1410) | Lost 0-2 | -181366 |
| 3modern | 1088 | Powell, Chris (1494) | Won 2-1 | +211387 |
| 4modern | 949 | Ramondt, Steven (1636) | Won 2-0 | +221409 |
| 5modern | 482 | McBeath, Ross (1532) | Draw 1-1 | +21411 |
| 6modern | 468 | Beyer, Benjamin (1458) | Lost 0-2 | -171394 |
| 7modern | 718 | Adler, John (1488) | Lost 1-2 | -161378 |
| 8modern | 808 | Weigman, Gary (1570) | Won 2-1 | +211399 |
| 9modern | 630 | Martinez, Jon (1486) | Lost 0-2 | -161383 |
| top | average opponent: 1508record: 4-4-1 | new rating: 1383 | ||
| Grand Prix Las Vegas 2017 (legacy) (legacy) | starting rating: 1454 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 106 | Markley, David (1503) | Lost 0-2 | -171437 |
| 2legacy | 2152 | Sindle, Steven (1410) | Lost 0-2 | -181419 |
| 3legacy | 1108 | Czmil, Michael (1365) | Lost 0-2 | -191400 |
| 4legacy | 1132 | Hahm, Lowell (1385) | Won 2-0 | +171417 |
| 5legacy | 985 | St. Pierre, Jeff (1364) | Lost 1-2 | -191398 |
| 6legacy | 1019 | Maheu, Jake (1372) | Lost 0-2 | -181380 |
| 7legacy | 905 | Fairbanks, Robert (1463) | Lost 0-2 | -171363 |
| top | average opponent: 1409record: 1-6 | new rating: 1363 | ||
| Grand Prix Los Angeles 2016 (modern) | starting rating: 1432 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 171 | Price, Andrew (1585) | Lost 0-2 | -161416 |
| 3modern | 549 | Murphy, Ryan (1617) | Won 2-0 | +221438 |
| 4modern | 347 | Hresc, Tomas (1503) | Won 2-0 | +191457 |
| 5modern | 317 | Koenig, Jake (1601) | Lost 0-2 | -151442 |
| 6modern | 566 | Hyun, Ryan (1475) | Won 2-1 | +181460 |
| 7modern | 395 | Sperling, Matthew (1954) | Lost 1-2 | -91451 |
| 8modern | 370 | Keffer, Jason (1575) | Lost 0-2 | -161435 |
| 9modern | 494 | Lambert-Cobb, Craig (1500) | Won 2-0 | +191454 |
| top | average opponent: 1601record: 4-4 | new rating: 1454 | ||
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 61 | Morrison, Jayce (1549) | Lost 1-2 | -161447 |
| 3sealed | 205 | Maini, Quentin (1613) | Lost 1-2 | -151432 |
| top | average opponent: 1581record: 0-2 | new rating: 1432 | ||
| Grand Prix Phoenix 2014 (BNG standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 170 | McIntire, Lee (1518) | Lost 1-2 | -181482 |
| 2standard | 413 | Van Patten, Caleb (1464) | Lost 0-2 | -181464 |
| 3standard | 622 | Niewoehner, Donovan (1464) | Won 2-0 | +181482 |
| 4standard | 615 | Mohd Shuhaimi, Nik (1429) | Lost 1-2 | -191463 |
| top | average opponent: 1469record: 1-3 | new rating: 1463 | ||