Markel, Nathan L
Current rating: 1462
Record: 2-4
| Grand Prix Los Angeles 2009 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 60 | Thomas, Cary (1500) | Won 2-0 | +181518 |
| 2extended | 196 | Adams, Laurence (1500) | Lost 0-2 | -181500 |
| 3extended | 173 | Lim, Teng Chi (1465) | Lost 1-2 | -191481 |
| 4extended | 322 | Shoufler, Kyle (1480) | Won 2-1 | +181499 |
| 5extended | 283 | Stockbrugger, Kurt (1433) | Lost 1-2 | -191480 |
| 6extended | 282 | Arce, Steven (1484) | Lost 1-2 | -181462 |
| average opponent: 1477record: 2-4 | new rating: 1462 | |||