Bonifacio, Michael J
Current rating: 1516
Record: 4-3
| Grand Prix Los Angeles 2009 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 189 | Fiorillo, Nicholas (1496) | Won 2-0 | +181518 |
| 2extended | 134 | Clark, Dan (1470) | Won 2-0 | +171535 |
| 3extended | 87 | Landers, Mark (1451) | Lost 0-2 | -191516 |
| 4extended | 177 | Bez, Ryan (1490) | Lost 0-2 | -191497 |
| 5extended | 217 | Dean, Franklin (1500) | Won 2-0 | +181515 |
| 6extended | 234 | Rogers, Nicolas (1525) | Won 2-0 | +181533 |
| 7extended | 119 | Carty, Chris (1570) | Lost 0-2 | -171516 |
| average opponent: 1500record: 4-3 | new rating: 1516 | |||