Guzman, JP
Current rating: 1440
Record: 3-7
| Grand Prix Austin 2020 (modern) | starting rating: 1424 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 231 | Ramirez, Erick (1717) | Won 2-1 | +231447 |
| 2modern | 82 | Davis, Benjamin (1574) | Won 2-1 | +201467 |
| 3modern | 13 | Klosterman, Stefan (1926) | Lost 0-2 | -101457 |
| 4modern | 187 | Nguyen, Tuyen (1445) | Lost 0-2 | -181439 |
| 5modern | 276 | Gardner, Mark (1449) | Won 2-0 | +181457 |
| 6modern | 172 | Keesee, Christian (1516) | Lost 1-2 | -171440 |
| average opponent: 1604record: 3-3 | new rating: 1440 | |||
| Grand Prix Dallas-Fort Worth 2018 (DOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 34 | Zadeh, Kyle (1484) | Lost 1-2 | -181482 |
| 2sealed | 277 | Hsu, Wei Yu (1513) | Lost 1-2 | -181464 |
| 4sealed | 460 | McElvany, Jackson (1400) | Lost 0-2 | -191445 |
| 5sealed | 419 | Robertson, Sean (1270) | Lost 0-2 | -211424 |
| average opponent: 1417record: 0-4 | new rating: 1424 | |||