Lemberg, Joey
Current rating: 1529
Record: 8-7
| Grand Prix Sacramento 2018 (M19 limited) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 279 | Balanag, Carl (1598) | Won 2-0 | +201507 |
| 2sealed | 200 | [anonymous] | Won 2-0 | +171524 |
| 3sealed | 77 | Louke, Mary (1482) | Won 2-1 | +171541 |
| 4sealed | 127 | Hixson, Jeremy (1592) | Lost 0-2 | -171524 |
| 5sealed | 97 | Monterosso, Nicholas (1543) | Lost 0-2 | -181506 |
| 6sealed | 306 | Chen, Jeffrey (1728) | Lost 0-2 | -141492 |
| 7sealed | 304 | Morris, Carsten (1518) | Won 2-0 | +191511 |
| 8sealed | 199 | Atrawalkar, Kaustubh (1522) | Won 2-0 | +181529 |
| average opponent: 1555record: 5-3 | new rating: 1529 | |||
| Grand Prix Columbus 2010 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 62 | Fisher, Richard (1500) | Lost 0-2 | -181482 |
| 2legacy | 177 | Brady, Scott (1482) | Won 2-1 | +181500 |
| 3legacy | 164 | Freeman, Angela (1499) | Won 2-1 | +181518 |
| 4legacy | 186 | Lapine, Michael (1629) | Lost 0-2 | -161502 |
| 5legacy | 149 | Cruz, Michael (1497) | Won 2-1 | +181520 |
| 6legacy | 122 | Boswell, Andrew (1680) | Lost 1-2 | -151505 |
| 7legacy | 147 | Stillson, Frank (1500) | Lost 0-2 | -181487 |
| average opponent: 1541record: 3-4 | new rating: 1487 | |||