McDuffee, Yvonne
Current rating: 1410
Record: 0-5
| Grand Prix Los Angeles 2009 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 135 | Promdontri, Wanipop (1500) | Lost 0-2 | -181482 |
| 2extended | 220 | Eck, Kyle (1534) | Lost 0-2 | -171465 |
| 3extended | 344 | Westin, Alex (1464) | Lost 0-2 | -181447 |
| 4extended | 389 | Taylor, Trevor W (1446) | Lost 0-2 | -181429 |
| 5extended | 354 | Hodge, Adrian (1376) | Lost 0-2 | -191410 |
| average opponent: 1464record: 0-5 | new rating: 1410 | |||