Guzzo, William
Current rating: 1446
Record: 1-4
| Grand Prix Portland 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 397 | Urich, Cody (1500) | Lost 1-2 | -181482 |
| 2modern | 468 | Odom, Weston (1457) | Won 2-1 | +181500 |
| 3modern | 645 | Pagatpatan, Paul (1519) | Lost 1-2 | -181482 |
| 4modern | 568 | Escobar, Ruben (1509) | Lost 0-2 | -181464 |
| 5modern | 714 | Kunnap, Michael (1460) | Lost 0-2 | -181446 |
| average opponent: 1489record: 1-4 | new rating: 1446 | |||