Ewing, Charlie
Current rating: 1533
| Grand Prix Richmond 2017 (AKH limited) | starting rating: 1515 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 299 | Haas, William (1620) | Lost 1-2 | -171498 |
| 2sealed | 540 | Brinkworth, Christian (1435) | Won 2-1 | +171515 |
| 3sealed | 536 | Cash, Daniel (1433) | Lost 1-2 | -191496 |
| 4sealed | 558 | Coffman, Jenna (1482) | Won 2-0 | +181514 |
| 5sealed | 547 | Stevens, Sean (1377) | Won 2-1 | +151529 |
| 6sealed | 288 | Polyakov, Alexander (1704) | Won 2-0 | +211550 |
| 7sealed | 314 | Tousi, Cameron (1686) | Won 2-1 | +211571 |
| 8sealed | 95 | Pierce, Bryen (1507) | Lost 1-2 | -191552 |
| 9sealed | 192 | Miles, Daniel (1546) | Lost 0-2 | -191533 |
| top | average opponent: 1532record: 5-4 | new rating: 1533 | ||
| Grand Prix Atlanta 2016 (KLD limited) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 725 | Russo, Joshua (1500) | Won 2-1 | +181521 |
| 2sealed | 822 | McConahie, Jesse (1629) | Lost 1-2 | -161505 |
| 3sealed | 1057 | Crooks, Benson (1500) | Won 2-0 | +181523 |
| 4sealed | 775 | Wakelee, Mike (1674) | Lost 1-2 | -151508 |
| 5sealed | 1109 | Stead, Bill (1774) | Won 2-0 | +221530 |
| 6sealed | 979 | Smith, Eric (1615) | Won 2-0 | +201550 |
| 7sealed | 737 | Sutliff, Casey (1521) | Lost 1-2 | -191531 |
| 8sealed | 911 | Lowe, Sam (1602) | Lost 0-2 | -161515 |
| top | average opponent: 1602record: 4-4 | new rating: 1515 | ||
| Grand Prix Atlanta 2015 (BFZ limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 219 | McKee, Josh (1462) | Won 2-0 | +171517 |
| 2sealed | 59 | Brewer, Stephen (1500) | Lost 1-2 | -181499 |
| 3sealed | 754 | Parker, Gregory (1801) | Lost 0-2 | -131486 |
| 4sealed | 793 | Fry, Jamie (1483) | Draw 1-1 | 01486 |
| 5sealed | 734 | Nash, Zach (1482) | Won 2-0 | +181504 |
| 6sealed | 571 | Anderson, David (1493) | Lost 0-2 | -181486 |
| 7sealed | 497 | Hudson, Brian (1431) | Won 2-0 | +171503 |
| top | average opponent: 1522record: 3-3-1 | new rating: 1503 | ||