Shaffer, Zach
Current rating: 1484
Record: 2-3
| Grand Prix New Jersey 2019 (RNA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 319 | DelGrosso, Matthew (1500) | Lost 0-2 | -181482 |
| 2sealed | 210 | Garza, Adrianna (1464) | Won 2-1 | +181500 |
| 3sealed | 566 | Nielsen, Bill (1599) | Lost 0-2 | -171483 |
| 4sealed | 484 | Hyler, Nicholas (1585) | Won 2-0 | +201503 |
| 5sealed | 387 | Trnka, Christian (1415) | Lost 1-2 | -191484 |
| average opponent: 1513record: 2-3 | new rating: 1484 | |||