Harwick, Sean
Current rating: 1507
| Grand Prix Chicago 2014 (JOU standard) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 256 | Ruettiger, Bryant (1500) | Lost 0-2 | -181469 |
| 2standard | 393 | Knight, Olin A (1482) | Won 2-1 | +191488 |
| 3standard | 244 | Parnell, Andrew (1559) | Won 2-1 | +191507 |
| 4standard | 210 | Hawkinson, Michael (1488) | Won 2-1 | +181525 |
| 5standard | 111 | Zell, Susan (1549) | Lost 0-0 | -181507 |
| top | average opponent: 1516record: 3-2 | new rating: 1507 | ||
| Grand Prix Las Vegas 2013 (MMA limited) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 358 | Zani, Shawn (1500) | Won 2-0 | +181503 |
| 2sealed | 190 | Yu, Steve (1590) | Won 2-0 | +191522 |
| 3sealed | 382 | Ridgway, Colin (1500) | Lost 1-2 | -181504 |
| 4sealed | 193 | Speights, Timothy (1521) | Won 2-0 | +181522 |
| 5sealed | 123 | Cain, Toby (1549) | Lost 0-2 | -171505 |
| 6sealed | 209 | Homen, Bryan (1518) | Lost 0-2 | -181487 |
| top | average opponent: 1530record: 3-3 | new rating: 1487 | ||
| Grand Prix Pittsburgh 2011 (M12 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 156 | Lopinto, Stephen (1500) | Won 2-0 | +181518 |
| 2standard | 70 | Ferrando, Matthew (1672) | Lost 1-2 | -151503 |
| 3standard | 264 | Zhao, Yisong (1499) | Lost 0-2 | -181485 |
| 4standard | 576 | Gourley, Grant (1481) | Won 2-1 | +181503 |
| 5standard | 428 | Stowe, Jeremy (1498) | Lost 0-2 | -181485 |
| top | average opponent: 1530record: 2-3 | new rating: 1485 | ||