Cha, Charlie
Current rating: 1444
Record: 3-6
| Grand Prix Los Angeles 2009 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 89 | Bolanos, Grant A (1463) | Lost 0-1 | -191481 |
| 2extended | 286 | Garcia, Oliver (1482) | Lost 0-2 | -181463 |
| 3extended | 364 | Howa, Levi (1392) | Lost 0-2 | -191444 |
| 4extended | 382 | Oehring, Garrett t (1446) | Won 2-0 | +181462 |
| 5extended | 327 | Burden, John (1465) | Lost 1-2 | -181444 |
| 6extended | 296 | Moreno, Daniel (1451) | Lost 1-2 | -181426 |
| 7extended | 234 | Cash, Robert (1414) | Won 2-0 | +181444 |
| 8extended | 169 | Boettcher, Nick G (1429) | Won 2-0 | +181462 |
| 9extended | 130 | Moss, Stephen (1463) | Lost 1-2 | -181444 |
| average opponent: 1445record: 3-6 | new rating: 1444 | |||