lyon, nathan
Current rating: 1491
Record: 4-5-1
| Grand Prix Detroit 2005 (BOK limited) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 28 | Broe, Greg (1490) | Lost 0-2 | -181463 |
| 5sealed | 97 | Wiegersma, Jelger (1741) | Draw 1-1 | +51468 |
| 6sealed | 71 | Johnson, Eric (1579) | Won 2-1 | +201488 |
| 7sealed | 44 | Day, Michael (1549) | Won 2-1 | +191507 |
| 8sealed | 27 | Fletcher, Matthew (1587) | Lost 0-2 | -161491 |
| average opponent: 1589record: 2-2-1 | new rating: 1491 | |||
| Grand Prix Columbus 2004 (DST limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 199 | Chapin, Robert (1500) | Won 2-0 | +181518 |
| 2sealed | 47 | Martin, Sean (1538) | Lost 0-2 | -181500 |
| 3sealed | 283 | Willson, James (1483) | Lost 0-2 | -181482 |
| 4sealed | 266 | Shondell, Ryan (1482) | Won 2-1 | +181500 |
| 5sealed | 254 | Lovin, Mark (1451) | Lost 0-2 | -191481 |
| average opponent: 1491record: 2-3 | new rating: 1481 | |||