Iden, Shawn
Current rating: 1490
| Grand Prix Chicago 2014 (JOU standard) | starting rating: 1442 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 619 | Teegardin, Ryan (1500) | Won 2-1 | +191461 |
| 2standard | 747 | Kenney, Michael (1538) | Won 2-1 | +201481 |
| 3standard | 601 | Sidhu, Jesse (1640) | Lost 1-2 | -151466 |
| 4standard | 796 | Holtzman, Jon (1535) | Won 2-0 | +191485 |
| 5standard | 708 | Perkins, Tony (1579) | Won 2-1 | +201505 |
| 6standard | 542 | Brennan, David 322 (1555) | Won 2-0 | +191524 |
| 7standard | 562 | Strasler, Luke (1606) | Lost 1-2 | -171507 |
| 8standard | 611 | Williamson, Kenneth (1554) | Lost 0-2 | -171490 |
| top | average opponent: 1563record: 5-3 | new rating: 1490 | ||
| Grand Prix Chicago 2009 (legacy) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 4 | Cierniak, Erik (1518) | Draw 1-1 | +11486 |
| 4legacy | 153 | Chang, Roland (1536) | Won 2-1 | +181504 |
| 5legacy | 80 | Yurchick, Adam (1906) | Lost 1-2 | -111493 |
| 6legacy | 182 | Barbeau, Jeremy (1566) | Lost 0-2 | -161477 |
| 7legacy | 246 | Hamilton, Lucas (1520) | Lost 1-2 | -181459 |
| 8legacy | 223 | Vogt, Nate (1504) | Lost 1-2 | -171442 |
| top | average opponent: 1592record: 1-4-1 | new rating: 1442 | ||
| Grand Prix Detroit 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3block | 80 | Parnell, Taylor (1581) | Lost 0-2 | -171483 |
| 4block | 141 | McCormick, Matt (1518) | Won 2-0 | +191502 |
| 5block | 89 | Rogers, Philip (1507) | Lost 1-2 | -181484 |
| 6block | 117 | Scheel, Brandon (1521) | Won 2-0 | +191503 |
| 7block | 75 | Havlovic, Bob (1505) | Lost 1-2 | -181485 |
| top | average opponent: 1526record: 2-3 | new rating: 1485 | ||