Chalmers, Dwayne
Current rating: 1420
Record: 4-9
| Grand Prix Orlando 2012 (ISD standard) | starting rating: 1428 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 138 | Wilkerson, Tyler (1413) | Lost 1-2 | -181410 |
| 2standard | 274 | Galatro, Vito (1482) | Won 2-1 | +191429 |
| 3standard | 202 | Bieringer, Michael (1500) | Won 2-1 | +191448 |
| 4standard | 258 | Carriveau, Kurt (1497) | Lost 0-2 | -171431 |
| 5standard | 281 | Zavagnini, Franco (1458) | Lost 0-2 | -171414 |
| 6standard | 342 | Duvall, Aaron F (1480) | Won 2-1 | +191433 |
| 7standard | 268 | Chernoff, Adam (1681) | Lost 0-2 | -141419 |
| 8standard | 257 | Colyer, Hansen (1482) | Won 2-0 | +191438 |
| 9standard | 188 | Bowen, Leonard (1439) | Lost 0-2 | -181420 |
| average opponent: 1492record: 4-5 | new rating: 1420 | |||
| Grand Prix Philadelphia 2008 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 216 | Grippa, Robert (1481) | Lost 1-2 | -181482 |
| 2extended | 304 | Gibbons, Christopher C (1492) | Lost 1-2 | -181464 |
| 3extended | 431 | Gayton, Douglas (1464) | Lost 0-2 | -181446 |
| 4extended | 440 | Deckman, Derrick (1445) | Lost 1-2 | -181428 |
| average opponent: 1471record: 0-4 | new rating: 1428 | |||