Ewell, Brian
Current rating: 1477
Record: 25-31-1
| Grand Prix Phoenix 2019 (ELD limited) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 119 | Hall, Adam (1494) | Lost 1-2 | -181468 |
| 2sealed | 140 | Herrel, John (1486) | Won 2-1 | +181486 |
| 3sealed | 208 | Lu, Kevin (1646) | Won 2-0 | +211507 |
| 4sealed | 128 | Sethi, Ashwin (1517) | Lost 1-2 | -181489 |
| 5sealed | 141 | Henner, Aaron (1834) | Lost 0-2 | -121477 |
| top | average opponent: 1595record: 2-3 | new rating: 1477 | ||
| Grand Prix Detroit 2019 (M20 limited) | starting rating: 1469 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 71 | Bertel, Erik (1634) | Won 2-0 | +211490 |
| 2sealed | 151 | Jeffery, Russ (1686) | Won 2-0 | +211511 |
| 3sealed | 119 | Lyons, Tre (1685) | Won 2-1 | +211532 |
| 4sealed | 57 | Hanning, Richard (1801) | Lost 1-2 | -131519 |
| 5sealed | 71 | Demsich, Dale (1524) | Lost 1-2 | -181501 |
| 6sealed | 178 | Lamb, Jake (1641) | Lost 0-2 | -151486 |
| top | average opponent: 1662record: 3-3 | new rating: 1486 | ||
| Grand Prix Cleveland 2019 (RNA limited) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 260 | Bevan, Caleb (1500) | Lost 0-2 | -181485 |
| 2sealed | 260 | Hallock, Jeremy (1429) | Lost 1-2 | -191466 |
| 3sealed | 552 | Warkentin, Colby (1636) | Won 2-1 | +211487 |
| 4sealed | 502 | Haigh, Paul (1452) | Lost 0-2 | -181469 |
| top | average opponent: 1504record: 1-3 | new rating: 1469 | ||
| Grand Prix New Jersey 2018 (GRN standard) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 23 | Solis, Steven (1674) | Lost 1-2 | -151501 |
| 2standard | 277 | Yatsenko, Alex (1551) | Won 2-1 | +191520 |
| 3standard | 332 | Stein, Tj (1485) | Lost 1-2 | -191501 |
| 4standard | 467 | Zimmerman, Justin (1483) | Won 2-0 | +181519 |
| 5standard | 324 | Mohammed, Riyad (1656) | Lost 1-2 | -161503 |
| top | average opponent: 1570record: 2-3 | new rating: 1503 | ||
| Grand Prix Memphis 2018 (RIX standard) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 166 | Nguyen, Hai (1490) | Lost 1-2 | -191485 |
| 4standard | 350 | Johnson, Matthew 341 (1561) | Won 2-1 | +201505 |
| 5standard | 221 | Keithline, Brett (1665) | Won 2-0 | +211526 |
| 6standard | 127 | Munck, Jon (1592) | Won 2-1 | +191545 |
| 7standard | 89 | Maeba, Hideaki (1841) | Lost 1-2 | -131532 |
| 8standard | 93 | Jianu, Michael (1632) | Lost 1-2 | -161516 |
| top | average opponent: 1630record: 3-3 | new rating: 1516 | ||
| Grand Prix Houston 2018 (RIX limited) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 178 | Nguyen, Thien Thuc (1500) | Won 2-1 | +191448 |
| 2sealed | 2 | Chu, Xiong (1760) | Lost 0-2 | -121436 |
| 3sealed | 328 | Woodard, Gregory (1658) | Draw 1-1 | +41440 |
| 4sealed | 284 | Nguyen, Tuyen (1556) | Won 2-1 | +201460 |
| 5sealed | 195 | Pergande, Amber (1526) | Won 2-0 | +191479 |
| 6sealed | 125 | Goldstein, Danny (1751) | Won 2-0 | +231502 |
| 7sealed | 75 | Thomas, Tommy (1536) | Lost 1-2 | -181484 |
| 8sealed | 132 | Parish, Simon (1550) | Won 2-1 | +201504 |
| top | average opponent: 1604record: 5-2-1 | new rating: 1504 | ||
| Grand Prix Pittsburgh 2017 (AER standard) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 334 | Rodriguez, Thomas (1569) | Lost 1-2 | -171464 |
| 2standard | 417 | Gee, Seth (1400) | Won 2-0 | +171481 |
| 3standard | 560 | Markisch, John (1508) | Won 2-1 | +191500 |
| 4standard | 278 | Clark, Taylor (1599) | Lost 1-2 | -161484 |
| 5standard | 445 | Wisneski, Shawn (1482) | Lost 0-2 | -191465 |
| 6standard | 531 | Shellhammer, Sara (1420) | Lost 0-2 | -181447 |
| 7standard | 493 | Pedersen, Keith (1458) | Lost 0-2 | -181429 |
| top | average opponent: 1491record: 2-5 | new rating: 1429 | ||
| Grand Prix Minneapolis 2016 (SOI standard) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 271 | Pratt, Andrew (1500) | Won 2-1 | +191484 |
| 2standard | 29 | Steichen, Carter (1500) | Lost 1-2 | -181466 |
| 3standard | 516 | Clark, Shawn (1548) | Lost 1-2 | -171449 |
| 4standard | 550 | Waters, Eliot (1479) | Won 2-0 | +191468 |
| 5standard | 548 | Martinez, Steven 2 (1532) | Lost 0-2 | -171451 |
| 6standard | 570 | Keywork, Matthew (1480) | Won 2-1 | +191470 |
| 7standard | 362 | Dennis, Matthew (1636) | Won 2-0 | +211491 |
| 8standard | 322 | Wallaert, Noah (1551) | Won 2-1 | +191510 |
| 9standard | 266 | McKnight, Vincent (1541) | Won 2-1 | +181528 |
| 10standard | 136 | Sussman, Aaron (1563) | Lost 0-2 | -171511 |
| 11standard | 161 | Kaplan, Louis (1824) | Lost 0-2 | -121499 |
| 12standard | 172 | Biesterveld, Jeremy (1514) | Lost 0-2 | -181481 |
| top | average opponent: 1556record: 6-6 | new rating: 1481 | ||
| Grand Prix Madison 2015 (BFZ limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 95 | Talebi, Touran (1460) | Lost 1-2 | -191481 |
| 2sealed | 661 | Trifilio, Vincent (1482) | Won 2-1 | +181499 |
| 3sealed | 566 | Heup, Michael (1573) | Lost 0-2 | -161483 |
| 4sealed | 648 | Skoric, Nikola (1506) | Lost 0-2 | -181465 |
| top | average opponent: 1505record: 1-3 | new rating: 1465 | ||