Marsi, Geoffrey
Current rating: 1512
| Grand Prix Charleston 2012 (RTR standard) | starting rating: 1533 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 111 | Swearinger, Joshua (1500) | Won 0-0 | +171550 |
| 2standard | 110 | Ward, Adam (1518) | Lost 0-2 | -181532 |
| 3standard | 226 | Vandiver, Derek (1482) | Lost 1-2 | -191513 |
| 4standard | 267 | Pope, Parks (1480) | Lost 0-2 | -191494 |
| 5standard | 274 | Knarich, Stephen (1462) | Won 2-1 | +181512 |
| top | average opponent: 1488record: 2-3 | new rating: 1512 | ||
| Grand Prix Atlanta 2012 (legacy) | starting rating: 1574 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 131 | Klauk, John (1685) | Won 2-0 | +201594 |
| 2legacy | 47 | Schutt, Charles (1511) | Lost 1-2 | -191575 |
| 3legacy | 271 | Bassery, Majid (1500) | Lost 0-2 | -201555 |
| 4legacy | 410 | Hilty, Jacob (1447) | Lost 0-2 | -201535 |
| 5legacy | 382 | Nathan S. L, (1467) | Won 2-1 | +171552 |
| 6legacy | 352 | Hoffman, Ryan (1478) | Lost 0-2 | -191533 |
| top | average opponent: 1515record: 2-4 | new rating: 1533 | ||
| Grand Prix Nashville 2010 (SOM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 563 | Helton, Chance W (1500) | Draw 1-1 | 01500 |
| 2sealed | 591 | Klein, Steven (1592) | Won 2-0 | +201520 |
| 3sealed | 521 | Lohrmann, Chris (1607) | Lost 0-2 | -171503 |
| 4sealed | 631 | Branam, Chris (1500) | Lost 1-2 | -181485 |
| 5sealed | 664 | Scott, Josh (1480) | Won 2-0 | +181503 |
| 6sealed | 607 | Davis, Keith (1498) | Won 2-0 | +181521 |
| 7sealed | 552 | Naegele, Alan (1519) | Won 2-0 | +181539 |
| 8sealed | 508 | Willis, Matt (1520) | Won 2-0 | +181557 |
| 9sealed | 473 | Boyd, Khaatim (1536) | Won 2-0 | +171574 |
| top | average opponent: 1528record: 6-2-1 | new rating: 1574 | ||