Halley, Gary
Current rating: 1463
Record: 1-3
| Grand Prix Hartford 2018 (modern) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 209 | Burke, Cayman (1500) | Lost 0-2 | -171463 |
| record: 0-1 | new rating: 1463 | |||
| Grand Prix Boston-Worcester 2012 (M13 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 402 | Gemme, Matthew T (1424) | Lost 1-2 | -191481 |
| 2sealed | 489 | Scotti, Antonio (1482) | Won 2-1 | +181499 |
| 3sealed | 657 | Alfred, Lyall (1481) | Lost 0-2 | -191480 |
| average opponent: 1463record: 1-2 | new rating: 1480 | |||