Griffin, Mike J
Current rating: 1501
Record: 3-3
| Grand Prix Portland 2010 (M11 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 253 | Emrich, Charles (1500) | Won 2-0 | +181518 |
| 2sealed | 219 | Morrison, Britain (1518) | Lost 0-2 | -181500 |
| 3sealed | 325 | Baldridge, Andrew (1500) | Won 2-0 | +181518 |
| 4sealed | 367 | Johnson, Travis (1505) | Won 2-0 | +181536 |
| 5sealed | 148 | Ward, Nathan (1628) | Lost 1-2 | -171519 |
| 6sealed | 267 | Jackson, Ian (1506) | Lost 1-2 | -181501 |
| average opponent: 1526record: 3-3 | new rating: 1501 | |||