Herrick, Keith
Current rating: 1485
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 1048 | Papaccio, Nicholas (1481) | Lost 0-2 | -181485 |
| top | record: 0-1 | new rating: 1485 | ||
| Grand Prix Atlantic City 2013 (RTR standard) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 143 | Corbin, Julia (1500) | Won 2-0 | +181500 |
| 2standard | 336 | Vazquez Jr., Jaime (1518) | Lost 0-2 | -181482 |
| 3standard | 342 | Hagaman, Charles (1473) | Won 2-0 | +181500 |
| 4standard | 283 | Wilson, Kenneth L. (1521) | Won 2-0 | +191519 |
| 5standard | 181 | Lee, Herman (1666) | Lost 1-2 | -161503 |
| top | average opponent: 1536record: 3-2 | new rating: 1503 | ||
| Grand Prix Milwaukee 2002 (TOR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 105 | Edstrom, Timothy (1500) | Won 2-0 | +181518 |
| 2standard | 164 | McBride, Bill (1500) | Lost 1-2 | -181500 |
| 3standard | 206 | Sutton, Stephen (1500) | Lost 1-2 | -181482 |
| top | average opponent: 1500record: 1-2 | new rating: 1482 | ||