Shaffer, Chuck
Current rating: 1523
Record: 4-3-1
| Grand Prix Anaheim 2003 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 68 | Schulte, David (1448) | Draw 1-1 | -11499 |
| 2extended | 66 | Evans, Andre (1500) | Won 2-1 | +181517 |
| 3extended | 45 | Kvetkosky, Peter (1520) | Won 2-0 | +181535 |
| 4extended | 44 | Schick, Mark (1627) | Won 2-1 | +201555 |
| 5extended | 23 | Taylor, Eric (1783) | Lost 1-2 | -141541 |
| 6extended | 44 | Covarrubias, Ismael (1567) | Lost 1-2 | -181523 |
| 7extended | 68 | Cameron, Christopher (1508) | Won 2-0 | +181541 |
| 8extended | 46 | Lee, Marcus (1558) | Lost 1-2 | -181523 |
| average opponent: 1564record: 4-3-1 | new rating: 1523 | |||