Soohoo, Jack
Current rating: 1464
Record: 2-4
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 465 | Hinojosa, Edwin (1500) | Lost 1-2 | -181482 |
| 2sealed | 661 | Chaurette, Benoit (1482) | Lost 0-2 | -181464 |
| 3sealed | 730 | Fernandes, John (1446) | Lost 0-2 | -181446 |
| 4sealed | 724 | Balimt, Joe (1446) | Won 2-0 | +181464 |
| 5sealed | 675 | Badizadegan, Nima (1464) | Won 2-1 | +181482 |
| 6sealed | 611 | Dreher, Gregory (1482) | Lost 1-2 | -181464 |
| average opponent: 1470record: 2-4 | new rating: 1464 | |||