Otto, Allen
Current rating: 1519
Record: 3-2-1
| Grand Prix Houston 2010 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 30 | Brady, Hal (1517) | Lost 1-2 | -181482 |
| 2extended | 184 | Dalton, Trevor L (1503) | Lost 1-2 | -171465 |
| 3extended | 232 | Graham, Todd A (1482) | Draw 1-1 | 01465 |
| 4extended | 288 | Conner, Casey W (1464) | Won 2-1 | +181483 |
| 5extended | 242 | Espinoza, Khristian (1483) | Won 2-0 | +181501 |
| 6extended | 186 | Schaub, David (1483) | Won 2-0 | +181519 |
| average opponent: 1489record: 3-2-1 | new rating: 1519 | |||