Chlebowski, Joseph
Current rating: 1490
Record: 5-6
| Grand Prix Seattle 2018 (legacy) (legacy) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 49 | Joh, Alexander (1535) | Lost 1-2 | -171470 |
| 2legacy | 498 | Prieto, Sebastian (1482) | Lost 1-2 | -181452 |
| 3legacy | 715 | Muir, Preston (1447) | Won 2-0 | +181470 |
| 4legacy | 710 | Hellinga, Robert (1372) | Won 2-1 | +161486 |
| 5legacy | 424 | Valencia, Giovanni (1484) | Won 2-0 | +181504 |
| 6legacy | 397 | Betts, Jonathan (1726) | Lost 1-2 | -141490 |
| average opponent: 1508record: 3-3 | new rating: 1490 | |||
| Grand Prix Seattle-Tacoma 2015 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 308 | Boone, George (1528) | Lost 1-2 | -171483 |
| 2legacy | 605 | Dougherty, Daniel (1467) | Won 2-0 | +171500 |
| 3legacy | 961 | Keo, Vatheanak (1501) | Won 2-1 | +181518 |
| 4legacy | 293 | Gomes, Benjamin (1781) | Lost 0-2 | -131505 |
| 5legacy | 448 | Millar-Griffin, Cameron (1499) | Lost 1-2 | -181487 |
| average opponent: 1555record: 2-3 | new rating: 1487 | |||