Halpin, Andrew
Current rating: 1482
Record: 1-2-1
| Grand Prix Oakland 2013 (M14 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 146 | Shuman, Tim (1529) | Draw 1-1 | +11501 |
| 2sealed | 389 | Wang, Dawson (1499) | Lost 0-2 | -181483 |
| 3sealed | 625 | Greenwood, Jeston (1483) | Lost 1-2 | -181465 |
| 4sealed | 270 | Vancil, Christian (1447) | Won 2-1 | +171482 |
| average opponent: 1490record: 1-2-1 | new rating: 1482 | |||