Marra, Ian
Current rating: 1416
| Grand Prix Charlotte 2015 (modern) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 484 | Rieth, Jordan (1466) | Lost 1-2 | -181430 |
| 2modern | 449 | Lanier, Allen (1481) | Won 2-1 | +191449 |
| 3modern | 415 | Scott, Taylor (1484) | Lost 1-2 | -171432 |
| 4modern | 541 | Wilkerson, Allen (1445) | Lost 0-2 | -181414 |
| 5modern | 580 | Schluder, Noah (1463) | Won 2-0 | +191433 |
| 6modern | 488 | Webb, Matthew (1481) | Lost 0-2 | -171416 |
| top | average opponent: 1470record: 2-4 | new rating: 1416 | ||
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 132 | Bender, Johnnie (1537) | Lost 0-2 | -171446 |
| 2sealed | 501 | Normand, Ryan (1470) | Won 2-1 | +191465 |
| 3sealed | 297 | Wahr, Justin (1500) | Draw 1-1 | 01465 |
| 4sealed | 390 | Lutz, Harrison (1501) | Lost 0-2 | -171448 |
| top | average opponent: 1502record: 1-2-1 | new rating: 1448 | ||
| Grand Prix Houston 2013 (DGM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 55 | Williams, Alex (1452) | Won 2-0 | +171517 |
| 2sealed | 197 | Aguilera, Ryder (1501) | Lost 0-2 | -181499 |
| 3sealed | 257 | Yeoh, Ken-Min (1500) | Lost 0-2 | -181481 |
| 4sealed | 335 | Belanger, Zachary (1483) | Lost 0-2 | -181463 |
| top | average opponent: 1484record: 1-3 | new rating: 1463 | ||