Kowash, Michael
Current rating: 1466
Record: 1-3
| Grand Prix Portland 2010 (M11 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 383 | Rhea, Ehren J (1500) | Won 2-0 | +181518 |
| 2sealed | 218 | Searl, Joshua (1518) | Lost 0-2 | -181500 |
| 3sealed | 336 | Skondin, Matthew A (1590) | Lost 0-2 | -161484 |
| 4sealed | 440 | Knodel, Brandon (1482) | Lost 0-2 | -181466 |
| average opponent: 1522record: 1-3 | new rating: 1466 | |||