Matatall, Billy
Current rating: 1446
Record: 0-3
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 478 | Howell, John (1500) | Lost 0-2 | -181482 |
| 2sealed | 626 | Gordon, Roger (1498) | Lost 1-2 | -181464 |
| 3sealed | 701 | Cochran, Todd (1464) | Lost 0-2 | -181446 |
| average opponent: 1487record: 0-3 | new rating: 1446 | |||