Guy, Greg
Current rating: 1463
Record: 4-6
| Grand Prix Milwaukee 2018 (GRN standard) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 250 | Miennert, Alexander (1456) | Lost 1-2 | -191483 |
| 2standard | 336 | Winchell, Stacy (1413) | Lost 1-2 | -191464 |
| 3standard | 601 | Hughes, Cody (1426) | Won 2-0 | +171481 |
| 4standard | 567 | Dunn, Kenneth (1481) | Lost 1-2 | -181463 |
| average opponent: 1444record: 1-3 | new rating: 1463 | |||
| Grand Prix Minneapolis 2018 (M19 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 295 | Marquardt, Robert (1646) | Lost 0-2 | -151485 |
| 2sealed | 418 | Craig, Robert (1482) | Won 2-0 | +181503 |
| 3sealed | 453 | Morley, Nicholas (1482) | Lost 0-2 | -191484 |
| 4sealed | 552 | Gergen, Bill (1472) | Won 2-1 | +181502 |
| 5sealed | 509 | Chamberes, James (1498) | Won 2-0 | +181520 |
| 6sealed | 308 | Lo, David (1523) | Lost 1-2 | -181502 |
| average opponent: 1517record: 3-3 | new rating: 1502 | |||