Peacock, Jeff
Current rating: 1465
Record: 3-5
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 76 | Valadez, Frederick (1500) | Lost 0-2 | -181465 |
| top | record: 0-1 | new rating: 1465 | ||
| Grand Prix Las Vegas 2017 (limited) (AKH limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 495 | Koza, Travis (1500) | Lost 0-2 | -171446 |
| 2sealed | 677 | Iman, Yeremia (1481) | Won 2-1 | +181464 |
| 3sealed | 833 | Brown, Gregory (1495) | Won 2-0 | +191483 |
| 4sealed | 699 | Ruiz, Matthew (1300) | Won 2-0 | +151498 |
| 5sealed | 337 | Zappacosta, Joe (1670) | Lost 0-2 | -151483 |
| top | average opponent: 1489record: 3-2 | new rating: 1483 | ||
| Grand Prix Las Vegas 2017 (legacy) (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 30 | Craig, Taylor (1500) | Lost 1-2 | -181482 |
| 2legacy | 526 | Chang, Charlie (1435) | Lost 0-2 | -191463 |
| top | average opponent: 1468record: 0-2 | new rating: 1463 | ||