Lee, Yoon S
Current rating: 1503
Record: 3-3
| Grand Prix Los Angeles 2009 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 4extended | 6 | Sohn, Michael (1540) | Lost 1-2 | -171483 |
| 5extended | 174 | Seaver, Ryan (1612) | Lost 0-2 | -161467 |
| 6extended | 153 | Meyer, Douglas M (1520) | Won 2-0 | +191486 |
| 7extended | 156 | Wheeler, Scott S (1536) | Won 2-1 | +191505 |
| 8extended | 109 | Timidaiski, Joe (1513) | Won 2-1 | +181523 |
| 9extended | 65 | Benjamin, Matt (1431) | Lost 0-2 | -201503 |
| average opponent: 1525record: 3-3 | new rating: 1503 | |||