Chalker, Nathan D
Current rating: 1484
Record: 4-5
| Grand Prix Charleston 2012 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 18 | Clark, Trae (1500) | Won 0-0 | +181518 |
| 2standard | 56 | Archibeque, Alvin A (1518) | Won 2-0 | +181536 |
| 3standard | 8 | Harris, Edwin (1485) | Lost 1-2 | -191517 |
| 4standard | 115 | Runyon, John (1744) | Lost 0-2 | -141503 |
| 5standard | 238 | Zuelke, Christian (1458) | Lost 1-2 | -191484 |
| 6standard | 223 | Yelton, John W (1432) | Won 2-0 | +171501 |
| 7standard | 171 | Butler, Josh (1502) | Lost 0-2 | -181483 |
| 8standard | 155 | Kelley, Jeremy (1517) | Won 2-1 | +191502 |
| 9standard | 125 | LaFave, Christopher (1485) | Lost 0-2 | -181484 |
| average opponent: 1515record: 4-5 | new rating: 1484 | |||