Hall, Jonjonjalo m
Current rating: 1499
Record: 3-3
| Grand Prix Los Angeles 2009 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 199 | fabay, thommy c (1500) | Won 2-0 | +181518 |
| 2extended | 194 | Lam, Jason (1526) | Lost 0-2 | -181500 |
| 3extended | 302 | Petraszczuk, Marco (1421) | Won 2-0 | +171517 |
| 4extended | 225 | Chen, Stephen (1519) | Won 2-1 | +181535 |
| 5extended | 111 | Hernandez, Andrew (1535) | Lost 1-2 | -181517 |
| 6extended | 231 | Gonzales, Gilbert (1520) | Lost 0-2 | -181499 |
| average opponent: 1504record: 3-3 | new rating: 1499 | |||