Marchese, Andrew
Current rating: 1501
Record: 4-4
| Grand Prix Seattle 2009 (ARB standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 109 | Wright, Henry (1500) | Won 2-1 | +181518 |
| 2standard | 23 | Woodford, Brett (1518) | Won 2-1 | +181536 |
| 3standard | 46 | Oxford, Uriah (1518) | Lost 0-2 | -181518 |
| 4standard | 183 | Washburn, Shule (1518) | Won 2-1 | +181536 |
| 5standard | 115 | Gray, Corbett (1562) | Lost 0-2 | -181518 |
| 6standard | 270 | Lapp, Peter (1517) | Won 2-1 | +181536 |
| 7standard | 209 | Higgins, Charles (1588) | Lost 0-2 | -171519 |
| 8standard | 217 | Carr, Austin J (1504) | Lost 0-2 | -181501 |
| average opponent: 1528record: 4-4 | new rating: 1501 | |||