Sian, Derrick
Current rating: 1491
Record: 7-8
| Grand Prix Atlanta 2015 (BFZ limited) | starting rating: 1507 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 129 | Lawson, James (1490) | Lost 0-2 | -181489 |
| 2sealed | 834 | Baker, Brian N (1506) | Won 2-0 | +181507 |
| 3sealed | 815 | Zedan, Billy (1500) | Lost 0-2 | -181489 |
| 4sealed | 800 | Dungee, Dane (1524) | Won 2-0 | +191508 |
| 5sealed | 700 | Crowley, Dave (1456) | Won 2-1 | +171525 |
| 6sealed | 556 | Trinh, Eric (1522) | Won 2-1 | +181543 |
| 7sealed | 405 | VanSlyke, Brad (1568) | Lost 0-2 | -181525 |
| 8sealed | 352 | Wang, Tony (1560) | Lost 1-2 | -171508 |
| 9sealed | 306 | Sackett, Benjamin (1540) | Lost 0-2 | -171491 |
| average opponent: 1518record: 4-5 | new rating: 1491 | |||
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 225 | Utley, Andrew (1562) | Won 2-1 | +191519 |
| 2sealed | 56 | Adams, Laurence (1596) | Lost 1-2 | -161503 |
| 3sealed | 153 | Bush, Zachary (1519) | Won 2-0 | +181521 |
| 4sealed | 101 | Subasi, Omer (1528) | Lost 0-2 | -181503 |
| 5sealed | 201 | Kaida-Yip, Ned (1501) | Won 2-1 | +181521 |
| 6sealed | 135 | Mondello, Jake (1776) | Lost 1-2 | -141507 |
| average opponent: 1580record: 3-3 | new rating: 1507 | |||