Ewert, Jon
Current rating: 1450
Record: 1-4
| Grand Prix Denver 2019 (M20 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 57 | Stoddard, Charles (1450) | Lost 0-2 | -191481 |
| 2standard | 236 | Davis, Scott (1574) | Lost 0-2 | -161465 |
| 3standard | 300 | Snow, Daniel (1708) | Lost 0-2 | -141451 |
| 4standard | 293 | Rall, Jeffery (1447) | Won 2-1 | +181469 |
| 5standard | 263 | Garduno, Juan Pedro (1423) | Lost 0-2 | -191450 |
| average opponent: 1520record: 1-4 | new rating: 1450 | |||