D'Argent, Charles H
Current rating: 1345
Record: 1-10
| Grand Prix Oakland 2010 (extended) | starting rating: 1428 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 64 | Montes, Jose (1500) | Lost 1-2 | -171411 |
| 2extended | 234 | Nida, Eric R (1482) | Lost 0-2 | -171394 |
| 3extended | 293 | Myer, Jason D (1464) | Lost 1-2 | -171377 |
| 4extended | 351 | Whitten, Blaine (1495) | Lost 0-2 | -151362 |
| 5extended | 326 | Rarang, Mark (1426) | Lost 1-2 | -171345 |
| average opponent: 1474record: 0-5 | new rating: 1345 | |||
| Grand Prix San Francisco 2007 (Time Spiral block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 119 | Pachter, Jeremy J (1500) | Won 2-1 | +181518 |
| 2block | 112 | Davis, Chris H (1523) | Lost 0-2 | -181500 |
| 3block | 118 | Rider, Brian (1465) | Lost 0-2 | -191481 |
| 4block | 234 | Hall, Matthew (1482) | Lost 0-2 | -181463 |
| 5block | 275 | Keyes, Ronald W (1465) | Lost 1-2 | -181445 |
| 6block | 249 | Ferreri, Joe (1446) | Lost 0-2 | -171428 |
| average opponent: 1480record: 1-5 | new rating: 1428 | |||