Ruffin, Byron
Current rating: 1585
Record: 25-22-2
| Grand Prix Detroit 2016 (modern) | starting rating: 1550 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 174 | Kruchkow, Jeffrey (1605) | Lost 0-2 | -171533 |
| 3modern | 749 | FAETT, John (1503) | Won 2-0 | +171550 |
| 4modern | 442 | Aghazarian, Kevork (1537) | Won 2-1 | +181568 |
| 5modern | 189 | Fram, Robert (1510) | Draw 1-1 | -11567 |
| 6modern | 348 | Dupal, Stephen (1503) | Won 2-0 | +171584 |
| 7modern | 189 | Hines, Jake (1567) | Won 2-1 | +181602 |
| 8modern | 121 | Stan, Robert (1664) | Lost 0-2 | -171585 |
| 9modern | 242 | Pan, Boris (1619) | Won 2-1 | +181603 |
| 10modern | 157 | Sears, Steven (1560) | Lost 0-2 | -181585 |
| top | average opponent: 1563record: 5-3-1 | new rating: 1585 | ||
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 47 | Eldridge, Anthony (1518) | Won 2-0 | +191485 |
| 3sealed | 4 | Nicolini, Luke (1536) | Won 2-1 | +191504 |
| 4sealed | 56 | Tatian, John (1515) | Lost 1-2 | -181486 |
| 5sealed | 127 | Bird, Benjamin (1535) | Won 2-0 | +191505 |
| 6sealed | 110 | Kessler, Alex (1520) | Won 2-1 | +191524 |
| 7sealed | 47 | Boyd, Khaatim (1592) | Draw 1-1 | +11525 |
| 8sealed | 43 | Raney, Tom (1514) | Won 2-0 | +181543 |
| 9sealed | 25 | York, Robert (1587) | Won 2-0 | +181561 |
| 10draft | 107 | Powell, Jason (1588) | Won 2-0 | +191580 |
| 11draft | 90 | Slone, Steven (1674) | Lost 1-2 | -161564 |
| 12draft | 73 | Ascalon, Jason (1594) | Lost 0-2 | -181546 |
| 13draft | 79 | Smith, Christopher (1673) | Lost 1-2 | -161530 |
| 15draft | 108 | Abernethy, Andrew (1608) | Won 2-1 | +201550 |
| top | average opponent: 1573record: 8-4-1 | new rating: 1550 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1451 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 225 | Wicker, Scott (1518) | Won 2-1 | +201471 |
| 3modern | 60 | Bishop, James (1529) | Won 2-1 | +191490 |
| 4modern | 125 | TahaFurst, Maha (1498) | Lost 0-2 | -181472 |
| 5modern | 239 | Coleman, Allison (1732) | Lost 1-2 | -141458 |
| 6modern | 381 | Smith, Markus (1520) | Won 2-1 | +201478 |
| 7modern | 181 | Rubin, Steve (1856) | Lost 0-2 | -121466 |
| 8modern | 233 | Hale, Cruz (1485) | Won 2-0 | +191485 |
| 9modern | 160 | Pearson, William (1476) | Lost 0-2 | -191466 |
| top | average opponent: 1577record: 4-4 | new rating: 1466 | ||
| Grand Prix Detroit 2013 (modern) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 40 | Hopkins, Jonathan (1526) | Lost 0-0 | -171451 |
| top | record: 0-1 | new rating: 1451 | ||
| Grand Prix Toronto 2010 (SOM limited) | starting rating: 1506 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 404 | Stacey, Mike M (1500) | Lost 0-2 | -181488 |
| 2sealed | 593 | Brown, Ryan (1421) | Lost 1-2 | -201468 |
| top | average opponent: 1461record: 0-2 | new rating: 1468 | ||
| Grand Prix Indianapolis 2008 (SHM limited) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 16 | Manchester, Ben (1500) | Won 2-1 | +171541 |
| 2sealed | 206 | Holleran, Ben (1518) | Lost 0-2 | -181523 |
| 3sealed | 366 | Stachurski, Richard (1566) | Lost 1-2 | -171506 |
| top | average opponent: 1528record: 1-2 | new rating: 1506 | ||
| Grand Prix Detroit 2005 (BOK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 40 | Dye, James (1500) | Won 2-0 | +181518 |
| 2sealed | 55 | Fellows, Leon (1518) | Lost 0-2 | -181500 |
| 3sealed | 148 | Sannowski, Thomas (1500) | Won 2-0 | +181518 |
| 4sealed | 75 | Shanks, Michael (1572) | Won 2-0 | +191537 |
| 5sealed | 48 | Aden, Eli (1588) | Won 2-0 | +191556 |
| 6sealed | 30 | Ayala, Hermes (1547) | Won 2-1 | +181574 |
| 7sealed | 21 | Zambrano, Carlos (1603) | Won 2-0 | +181592 |
| 8sealed | 23 | Johnson, Matt (1741) | ID | 01592 |
| 9draft | 2 | Fletcher, Matthew (1603) | Lost 0-2 | -171575 |
| 10draft | 10 | Blaha, James (1593) | Lost 1-2 | -181557 |
| 11draft | 4 | Brown, Dylan [USA] (1569) | Lost 0-2 | -181539 |
| 12draft | 11 | Liu, Jeff (1614) | Lost 0-2 | -171522 |
| 13draft | 10 | McDaniel, Chris (1631) | Won 2-1 | +201542 |
| 14draft | 18 | Madsen, William (1506) | Lost 0-2 | -181524 |
| top | average opponent: 1577record: 7-6-1 | new rating: 1524 | ||