Lefcourt, Nathan
Current rating: 1533
Record: 5-4
| Regional Championships Atlanta 2023 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 249 | Thurman, Tyler (1518) | Won 2-1 | +181518 |
| 2pioneer | 300 | Braverman, Michael (1935) | Won 2-0 | +261544 |
| 3pioneer | 8 | Wagner-Krankel, Robert (1556) | Won 2-0 | +181562 |
| 4pioneer | 41 | Kahovec, Nate (1835) | Lost 1-2 | -131549 |
| 5pioneer | 160 | Negrete, Carlo (1458) | Lost 0-2 | -201529 |
| 6pioneer | 169 | Henriques, Richard (1527) | Won 2-1 | +181547 |
| 7pioneer | 96 | Hafertepe, Jake (1538) | Won 2-0 | +181565 |
| 8pioneer | 101 | Waggoner, Brent (1654) | Lost 0-2 | -171548 |
| 9pioneer | 141 | Nasiff, Jose (1698) | Lost 0-2 | -151533 |
| average opponent: 1635record: 5-4 | new rating: 1533 | |||