Mo, Wei Yi
Current rating: 1521
Record: 5-4
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 448 | Chitturi, Ashok (1485) | Lost 0-2 | -181482 |
| 2sealed | 702 | Jones, Brandon (1482) | Won 2-0 | +181500 |
| 3sealed | 593 | Fisher, Christopher S (1482) | Won 2-1 | +171517 |
| 4sealed | 537 | Aguilar, Dan C (1517) | Won 2-1 | +181535 |
| 5sealed | 499 | Hirsch, Steve (1505) | Lost 0-2 | -181517 |
| 6sealed | 538 | Szolopiak, James (1578) | Won 2-0 | +191536 |
| 7sealed | 530 | Ellis, Thomas (1564) | Lost 1-2 | -181518 |
| 8sealed | 514 | Gordon, Roger (1533) | Lost 1-2 | -171501 |
| 9sealed | 488 | Blanchard, Wes (1612) | Won 2-1 | +201521 |
| average opponent: 1529record: 5-4 | new rating: 1521 | |||