Lubiszewski, Jeffrey
Current rating: 1572
Record: 9-5-2
| Grand Prix Portland 2018 (modern) | starting rating: 1582 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 297 | McConnon, Dave (1500) | Lost 0-2 | -201562 |
| 2modern | 595 | Major, Michael (1380) | Draw 1-1 | -31559 |
| 3modern | 734 | Bingham, Cody (1481) | Won 2-0 | +161575 |
| 4modern | 559 | Dukes, Kyle (1500) | Won 2-0 | +171592 |
| 5modern | 370 | Hersh, Eric (1499) | Lost 1-2 | -201572 |
| average opponent: 1472record: 2-2-1 | new rating: 1572 | |||
| Grand Prix Las Vegas 2018 (modern) (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 203 | Turner, Hamilton (1450) | Won 2-1 | +171517 |
| 2modern | 136 | Bauermeister, Max (1460) | Lost 1-2 | -191498 |
| 3modern | 701 | Erickson, Justin (1500) | Won 2-0 | +181516 |
| 4modern | 573 | Bonnyman, Nicholas (1515) | Won 2-0 | +181534 |
| 5modern | 204 | Staffel, Jonathan (1433) | Draw 1-1 | -21532 |
| 6modern | 314 | Santiago, Edward (1575) | Won 2-1 | +191551 |
| 7modern | 195 | Cornfield, Ethan (1582) | Won 2-1 | +191570 |
| 8modern | 115 | Kluska, Taylor (1707) | Won 2-0 | +201590 |
| 9modern | 5069 | Langarica, Gilberto (1662) | Lost 0-2 | -171573 |
| 10modern | 5142 | Bogdanov, Dennis (1751) | Won 2-1 | +221595 |
| 11modern | 5091 | Stern, Jon (1871) | Lost 0-2 | -131582 |
| average opponent: 1592record: 7-3-1 | new rating: 1582 | |||