Siddell, Robert A
Current rating: 1463
Record: 1-3
| Grand Prix Minneapolis 2009 (ZEN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 372 | Witt, Steven (1500) | Lost 1-2 | -181482 |
| 2sealed | 421 | Mike, Steven (1481) | Lost 1-2 | -181464 |
| 3sealed | 507 | Dietrich, Thomas (1397) | Won 2-1 | +171481 |
| 4sealed | 489 | Wusuf, Arun (1483) | Lost 1-2 | -181463 |
| average opponent: 1465record: 1-3 | new rating: 1463 | |||