Lopuski, Robert
Current rating: 1559
| Grand Prix Niagara Falls 2019 (legacy) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 170 | Howe, Michael (1620) | Lost 1-2 | -161501 |
| 2legacy | 311 | Lacey, Andreas (1690) | Won 2-0 | +211522 |
| 3legacy | 365 | Greene, Adam (1381) | Won 2-1 | +161538 |
| 4legacy | 227 | Hyden, Paul (1682) | Won 2-0 | +201558 |
| 5legacy | 88 | Thomsen, Sascha (1836) | Lost 1-2 | -131545 |
| 6legacy | 246 | Carlson, Drew (1558) | Lost 0-2 | -171528 |
| 7legacy | 251 | Mowry, Kasie (1337) | Won 2-0 | +141542 |
| 8legacy | 166 | Raczka, David (1485) | Won 2-1 | +171559 |
| top | average opponent: 1574record: 5-3 | new rating: 1559 | ||
| Grand Prix New Jersey 2018 (GRN standard) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 263 | De Los Santos, Kelvin (1500) | Won 2-0 | +181485 |
| 2standard | 3 | Bradford, Jordan (1518) | Won 2-0 | +191504 |
| 3standard | 118 | Yoo, Bradley (1882) | Lost 1-2 | -121492 |
| 4standard | 221 | Polyakov, Alexander (1733) | Lost 1-2 | -131479 |
| 5standard | 470 | Pampalone, Tom (1465) | Won 2-0 | +181497 |
| 6standard | 339 | Stevens, Robert (1479) | Won 2-0 | +171514 |
| 7standard | 124 | Stearns, Scott (1500) | Won 2-0 | +181532 |
| 8standard | 106 | Shantz, Aaron (1707) | Lost 0-2 | -151517 |
| top | average opponent: 1598record: 5-3 | new rating: 1517 | ||
| Grand Prix Baltimore 2012 (DKA standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 83 | Axtell, Steve (1536) | Won 2-1 | +191519 |
| 5standard | 48 | Conta, Anthony (1572) | Lost 1-2 | -171502 |
| 6standard | 93 | Lienhard, Paul (1522) | Lost 1-2 | -181484 |
| 7standard | 316 | Frye, Bryan J (1524) | Lost 0-2 | -171467 |
| top | average opponent: 1538record: 1-3 | new rating: 1467 | ||