Buchanan, Brent
Current rating: 1464
Record: 12-15
| Grand Prix Indianapolis 2016 (modern) | starting rating: 1477 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 304 | Aveni, Amalia (1478) | Lost 0-2 | -181459 |
| 2modern | 647 | Parker, Ryan (1482) | Won 2-0 | +191478 |
| 3modern | 690 | Cooper, Mitchell (1406) | Won 2-0 | +161494 |
| 4modern | 376 | Bowman, Connor (1799) | Lost 1-2 | -121482 |
| 5modern | 675 | Earp, Chris (1565) | Lost 0-2 | -171465 |
| 6modern | 671 | Toro, Andrew (1369) | Won 2-1 | +171482 |
| 7modern | 533 | Stevenson, Tom (1502) | Won 2-0 | +181500 |
| 8modern | 353 | Abraham, Matthew (1470) | Lost 1-2 | -191481 |
| 9modern | 470 | Eichelkraut, Andy (1495) | Lost 0-2 | -171464 |
| top | average opponent: 1507record: 4-5 | new rating: 1464 | ||
| Grand Prix Detroit 2016 (modern) | starting rating: 1450 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 458 | Kordis, Matthew (1620) | Lost 0-2 | -151435 |
| 2modern | 911 | Parsons, Robert (1481) | Lost 0-2 | -171418 |
| 3modern | 1044 | Mullenix, Marissa (1464) | Lost 0-2 | -171401 |
| 4modern | 1202 | Twiss, Matthew (1449) | Won 2-1 | +191420 |
| 5modern | 1063 | Wardrope, James (1464) | Won 2-0 | +181438 |
| 6modern | 834 | Burrell, Joseph (1458) | Lost 0-2 | -171421 |
| 7modern | 882 | Cameron, Shaun (1481) | Won 2-0 | +191440 |
| 8modern | 745 | Ferrara, Thomas (1484) | Won 2-1 | +191459 |
| 9modern | 558 | Beke, Marina (1497) | Won 2-0 | +181477 |
| top | average opponent: 1489record: 5-4 | new rating: 1477 | ||
| Grand Prix Cleveland 2015 (FRF limited) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 26 | Cornell, Sabrina (1500) | Won 2-0 | +191466 |
| 2sealed | 317 | Dougan, Greg (1500) | Won 2-1 | +181484 |
| 3sealed | 18 | Eden, Kyle (1504) | Lost 0-2 | -171467 |
| 4sealed | 312 | Cunagin, Jacob (1518) | Lost 1-2 | -171450 |
| 5sealed | 465 | Bishop, Jesse (1456) | Won 2-1 | +181468 |
| 6sealed | 461 | Lawhorn, Steve (1469) | Lost 0-2 | -181450 |
| top | average opponent: 1491record: 3-3 | new rating: 1450 | ||
| Grand Prix Chicago 2014 (JOU standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 757 | Scalzo, Andrew (1618) | Lost 0-2 | -161484 |
| 2standard | 780 | Chapa, Joseph (1413) | Lost 1-2 | -191465 |
| 3standard | 926 | Young, Graham (1465) | Lost 1-2 | -181447 |
| top | average opponent: 1499record: 0-3 | new rating: 1447 | ||