Ernszt, Cody
Current rating: 1508
Record: 7-7
| Grand Prix Kansas City 2019 (WAR standard) | starting rating: 1530 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 37 | Modica, Mike (1443) | Won 2-1 | +171547 |
| 2standard | 49 | McBride, Brandon (1515) | Won 2-1 | +171564 |
| 3standard | 86 | Segal, Jacob (1539) | Lost 1-2 | -181546 |
| 4standard | 97 | Brazee, David (1434) | Lost 0-0 | -201526 |
| 5standard | 267 | Cheung, Michael (1482) | Lost 0-2 | -191507 |
| 6standard | 244 | Baca, Dillon Matthew (1609) | Won 2-0 | +201527 |
| 7standard | 188 | Rock, James (1502) | Lost 0-2 | -191508 |
| average opponent: 1503record: 3-4 | new rating: 1508 | |||
| Grand Prix Memphis 2019 (RNA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 208 | Lynn, Nicholas (1863) | Won 2-1 | +241524 |
| 2standard | 4 | Tonguis, Taylor (1518) | Lost 1-2 | -181506 |
| 3standard | 376 | Mcginn, Nathan (1500) | Won 2-1 | +181524 |
| 4standard | 139 | Baggett, James (1685) | Lost 0-2 | -151509 |
| 5standard | 346 | Ma, Noah (1768) | Won 2-0 | +231532 |
| 6standard | 231 | Allums, Josh (1517) | Won 2-1 | +171549 |
| 7standard | 189 | Scheffer, Daulton (1499) | Lost 1-2 | -191530 |
| average opponent: 1621record: 4-3 | new rating: 1530 | |||