Halley, Chris
Current rating: 1520
Record: 5-4
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 585 | Ridenour, Justin A (1500) | Lost 1-2 | -181482 |
| 2sealed | 630 | Murphy, Joshua (1647) | Won 2-0 | +211503 |
| 3sealed | 541 | Hiles, Christopher (1505) | Lost 1-2 | -181485 |
| 4sealed | 714 | Weed, Bret (1483) | Lost 0-2 | -181467 |
| 5sealed | 671 | Blume, Andrew (1450) | Won 2-0 | +181485 |
| 6sealed | 610 | Greenleaf, Matthew (1465) | Won 2-0 | +171502 |
| 7sealed | 564 | Stefanovic, Lou (1534) | Lost 0-2 | -171485 |
| 8sealed | 525 | Andersen, John S (1462) | Won 2-0 | +171502 |
| 9sealed | 487 | Harper, Nathan S (1475) | Won 2-0 | +181520 |
| average opponent: 1502record: 5-4 | new rating: 1520 | |||