Lelko, Mary
Current rating: 1452
| Grand Prix Columbus 2019 (modern) | starting rating: 1441 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 190 | Floreancig, Benjamin (1500) | Lost 1-2 | -171424 |
| 2modern | 223 | Adkins, J.Dee (1482) | Won 2-0 | +191443 |
| 3modern | 267 | Moffitt, James (1806) | Won 2-1 | +241467 |
| 4modern | 103 | Edgar, Alex (1577) | Won 2-0 | +201487 |
| 5modern | 124 | Minier, Christopher (1482) | Lost 1-2 | -181469 |
| 6modern | 101 | Forrester, Bryceten (1517) | Lost 0-2 | -171452 |
| top | average opponent: 1561record: 3-3 | new rating: 1452 | ||
| Grand Prix Las Vegas 2019 (modern) (modern) | starting rating: 1426 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1178 | Segerberg, Eric (1500) | Won 2-1 | +201446 |
| 2modern | 48 | Krishel, Shoshana (1515) | Won 2-1 | +191465 |
| 3modern | 1183 | Rountree, Collin (1834) | Lost 0-2 | -121453 |
| 4modern | 1202 | Arrieta, Kepa (1599) | Won 2-0 | +211474 |
| 5modern | 1191 | Hannya, Yamato (1565) | Lost 1-2 | -161458 |
| 6modern | 1207 | Gaxiola, Jason (1521) | Lost 1-2 | -171441 |
| top | average opponent: 1589record: 3-3 | new rating: 1441 | ||
| Grand Prix Minneapolis 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 317 | Mueller, Michael (1502) | Lost 1-2 | -181482 |
| 2modern | 352 | Anderson, Parker (1436) | Lost 1-2 | -191463 |
| 3modern | 418 | Koskela, Quinn (1463) | Lost 1-2 | -181445 |
| 4modern | 454 | Corwin, Vincent (1394) | Lost 0-2 | -191426 |
| top | average opponent: 1449record: 0-4 | new rating: 1426 | ||