Parkulo, Jacob
Current rating: 1515
Record: 5-5-2
| Grand Prix Tampa Bay 2019 (modern) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 217 | Reynolds, Thomas (1418) | Draw 1-1 | -21535 |
| 2modern | 232 | Ledesma, Wesley (1515) | Draw 1-1 | -11534 |
| 3modern | 389 | Datko, Joseph (1461) | Lost 0-1 | -191515 |
| average opponent: 1464record: 0-1-2 | new rating: 1515 | |||
| Grand Prix Orlando 2017 (AER limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 599 | Cruickshank, Sean (1717) | Won 2-0 | +221522 |
| 2sealed | 604 | Ugale, Ashwin (1760) | Won 2-0 | +221544 |
| 3sealed | 678 | Grant, Harry (1500) | Lost 1-2 | -191525 |
| 4sealed | 773 | Kiefer, Lucas (1613) | Won 2-1 | +201545 |
| 5sealed | 662 | MacLean, Stuart (1630) | Lost 0-2 | -171528 |
| 6sealed | 796 | Arbona, Jose (1531) | Won 2-0 | +191547 |
| 7sealed | 700 | Cooper, Geddes (1716) | Won 2-1 | +211568 |
| 8sealed | 664 | Mabie, Craig (1748) | Lost 1-2 | -151553 |
| 9sealed | 799 | Simon, Michael (1665) | Lost 0-2 | -161537 |
| average opponent: 1653record: 5-4 | new rating: 1537 | |||