Buchanan, Aaron
Current rating: 1554
Record: 20-18-1
| Grand Prix Columbus 2016 (legacy) | starting rating: 1533 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 38 | Bentzig, Scott (1519) | Won 2-0 | +181551 |
| 3legacy | 298 | Brickman, Justin (1499) | Lost 0-2 | -191532 |
| 4legacy | 342 | Snyder, Nathaniel (1510) | Lost 1-2 | -191513 |
| 5legacy | 596 | Turner, Jacob B (1470) | Won 2-0 | +171530 |
| 6legacy | 345 | Gunn, Philip (1596) | Won 2-1 | +201550 |
| 7legacy | 269 | Llodra, Juan Pablo (1683) | Won 2-0 | +201570 |
| 8legacy | 152 | Dennis, Matthew (1664) | Lost 1-2 | -161554 |
| top | average opponent: 1563record: 4-3 | new rating: 1554 | ||
| Grand Prix Detroit 2016 (modern) | starting rating: 1510 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 421 | Ngo, Danny (1577) | Won 2-1 | +191529 |
| 2modern | 543 | Ramos, Michael (1549) | Lost 1-2 | -181511 |
| 3modern | 852 | Glosner, Alexander (1607) | Won 2-1 | +201531 |
| 4modern | 298 | Cochenour, Gavin (1481) | Lost 1-2 | -191512 |
| 5modern | 732 | Quege, Joao (1670) | Lost 0-2 | -151497 |
| 6modern | 942 | Peterson, Jason (1464) | Won 2-1 | +171514 |
| 7modern | 621 | Travis, Abraham (1500) | Won 2-1 | +181532 |
| 8modern | 500 | Gothberg, Caleb (1582) | Lost 1-2 | -171515 |
| 9modern | 599 | Ozkan, Tristan (1510) | Won 2-0 | +181533 |
| top | average opponent: 1549record: 5-4 | new rating: 1533 | ||
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1513 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 235 | Alexander, Cody (1500) | Won 2-1 | +181531 |
| 2modern | 17 | Selleny, Jon (1465) | Won 2-0 | +171548 |
| 3modern | 382 | Cooney, Nate (1486) | Draw 1-1 | -11547 |
| 4modern | 289 | Zhang, Chenyi (1500) | Lost 0-2 | -191528 |
| 5modern | 560 | Garcia-Renart, Evan (1519) | Lost 0-2 | -181510 |
| top | average opponent: 1494record: 2-2-1 | new rating: 1510 | ||
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1554 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 255 | Andrews, Thomas (1500) | Lost 0-2 | -191535 |
| 2sealed | 437 | Crawford, Connor (1483) | Won 2-0 | +171552 |
| 3sealed | 320 | Erickson, Michael (1500) | Lost 0-2 | -191533 |
| 4sealed | 425 | Young, Wesley (1431) | Lost 0-2 | -201513 |
| top | average opponent: 1478record: 1-3 | new rating: 1513 | ||
| Grand Prix Chicago 2014 (JOU standard) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 69 | Martinez, Vincent (1500) | Won 2-0 | +181500 |
| 2standard | 86 | Hinsz, Mark (1548) | Lost 0-2 | -171483 |
| 3standard | 216 | Christopher, Lou (1611) | Won 2-1 | +211504 |
| 4standard | 301 | Adapon, Antonio (1516) | Won 2-0 | +181522 |
| 5standard | 91 | Durward, Caleb (1806) | Won 0-0 | +231545 |
| 6standard | 52 | Leyman, Jacob (1587) | Won 2-0 | +191564 |
| 7standard | 28 | Smith, Jackson (1580) | Won 2-1 | +181582 |
| 8standard | 42 | Sarain, Issah (1560) | Lost 0-2 | -191563 |
| 9standard | 61 | Hayne, Alexander (2060) | Lost 1-2 | -91554 |
| top | average opponent: 1641record: 6-3 | new rating: 1554 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 529 | Hanson, Bryan (1471) | Won 2-0 | +171517 |
| 2modern | 71 | Esposito, Michael (1620) | Won 2-1 | +201537 |
| 3modern | 248 | Baker, Chas (1536) | Lost 0-2 | -181519 |
| 4modern | 207 | Argo, Michael (1517) | Lost 0-2 | -181501 |
| 5modern | 491 | Allward, David (1433) | Lost 0-2 | -191482 |
| top | average opponent: 1515record: 2-3 | new rating: 1482 | ||