Cooper, Leo
Current rating: 1471
Record: 5-8
| Regional Championships Atlanta 2023 (pioneer) | starting rating: 1497 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 583 | Hayden, Maxwell (1899) | Lost 0-2 | -111486 |
| 2pioneer | 592 | Gille, Brandon (1450) | Won 2-1 | +171503 |
| 3pioneer | 378 | Thompson, Richard (1409) | Won 2-1 | +171520 |
| 4pioneer | 254 | Wagner-Krankel, Robert (1538) | Lost 0-2 | -181502 |
| 5pioneer | 48 | Reed, Jim (1534) | Lost 0-2 | -171485 |
| 6pioneer | 489 | Skorik, Andrew (1708) | Lost 0-2 | -141471 |
| average opponent: 1590record: 2-4 | new rating: 1471 | |||
| Regional Championships Dallas 2023 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 277 | Coloyan, Peter (1842) | Lost 0-2 | -121488 |
| 2pioneer | 367 | Kent, Sarah (1481) | Won 2-0 | +181506 |
| 3pioneer | 212 | Routh, Leonard (1504) | Lost 1-2 | -181488 |
| 4pioneer | 450 | Gonzales, Kyle (1490) | Won 2-1 | +181506 |
| 5pioneer | 317 | Mullen, Collins (1848) | Lost 0-2 | -121494 |
| 6pioneer | 439 | Sylvester, Nicholas (1571) | Won 2-0 | +191513 |
| 7pioneer | 248 | Emerick, James (1617) | Lost 1-2 | -161497 |
| average opponent: 1622record: 3-4 | new rating: 1497 | |||