De Sousa, David
Current rating: 1482
Record: 2-3-1
| Grand Prix Toronto 2010 (SOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 387 | Lee, Albert (1500) | Lost 0-2 | -181482 |
| 2sealed | 600 | Vogel, Chris (1482) | Draw 1-1 | 01482 |
| 3sealed | 585 | Pizzacalla, Zach A (1482) | Lost 1-2 | -181464 |
| 4sealed | 621 | La, Thanh (1464) | Won 2-0 | +181482 |
| 5sealed | 567 | Lendt, Ray (1482) | Won 2-0 | +181500 |
| 6sealed | 499 | Kim, Malcolm (1499) | Lost 0-2 | -181482 |
| average opponent: 1485record: 2-3-1 | new rating: 1482 | |||