Barron, John
Current rating: 1541
Record: 5-3
| Grand Prix Washington DC 2019 (MH1 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 174 | Campbell, Ian (1483) | Lost 0-2 | -181482 |
| 2sealed | 435 | Kvasnyuk, Sergey (1482) | Won 0-0 | +181500 |
| 3sealed | 443 | Johnson, Jackie (1505) | Won 2-0 | +181518 |
| 4sealed | 265 | Thompson, Richard (1421) | Lost 1-2 | -201498 |
| 5sealed | 370 | Mulloy, Josh (1870) | Lost 0-2 | -111487 |
| 6sealed | 333 | Merrill, Barry (1477) | Won 2-0 | +171504 |
| 7sealed | 254 | Marcellana, Ian (1524) | Won 2-1 | +191523 |
| 8sealed | 184 | Smith, Ken (1549) | Won 2-0 | +181541 |
| average opponent: 1539record: 5-3 | new rating: 1541 | |||