Brattin, Jon
Current rating: 1559
Record: 5-2-1
| Grand Prix Madison 2019 (WAR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 225 | Guild, Corey (1500) | Draw 1-1 | 01500 |
| 2sealed | 221 | Duchow, Adam (1406) | Lost 1-2 | -201480 |
| 3sealed | 393 | Heard, Derrick (1448) | Won 2-0 | +181498 |
| 4sealed | 312 | Edstrom, Timothy (1562) | Won 2-0 | +191517 |
| 5sealed | 217 | Spychalski, Adam (1519) | Won 2-0 | +181535 |
| 6sealed | 141 | Richey, Richard (1730) | Won 2-1 | +211556 |
| 7sealed | 82 | Crenshaw, Alan (1546) | Won 2-1 | +181574 |
| 8sealed | 46 | Kadar, Griffin (1699) | Lost 0-2 | -151559 |
| average opponent: 1551record: 5-2-1 | new rating: 1559 | |||