Grimes, Calvin
Current rating: 1453
Record: 4-8
| Grand Prix Atlanta 2016 (KLD limited) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1026 | Ong, Kevin (1498) | Won 2-1 | +191465 |
| 2sealed | 521 | Naide, Kazutaka (1722) | Won 2-1 | +221487 |
| 3sealed | 656 | LePine, Mark (1734) | Won 2-1 | +231510 |
| 4sealed | 554 | Weaver, Zachery (1542) | Lost 0-2 | -181492 |
| 5sealed | 704 | Zafra, Marcel Angelo (1948) | Lost 1-2 | -101482 |
| 6sealed | 872 | Shukla, Neeraj (1531) | Lost 1-2 | -171465 |
| 7sealed | 920 | Tumavitch, Matt (1791) | Lost 1-2 | -121453 |
| average opponent: 1681record: 3-4 | new rating: 1453 | |||
| Grand Prix Atlanta 2015 (BFZ limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 587 | Nielson, Alex (1503) | Lost 0-2 | -181482 |
| 2sealed | 795 | Caserta, Michael (1520) | Lost 1-2 | -171465 |
| 3sealed | 839 | Holden, Jeremy (1464) | Won 2-0 | +181483 |
| 4sealed | 746 | Lareau, Brian (1481) | Lost 0-2 | -181465 |
| 5sealed | 771 | Gould, Rayne (1411) | Lost 1-2 | -191446 |
| average opponent: 1476record: 1-4 | new rating: 1446 | |||