Buchanan, Jonathan
Current rating: 1473
Record: 10-12-1
| Grand Prix Atlanta 2016 (KLD limited) | starting rating: 1522 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1023 | Hristis, Michael (1708) | Draw 1-1 | +31525 |
| 2sealed | 908 | O'Sullivan, Tim (1544) | Lost 1-2 | -181507 |
| 3sealed | 1205 | Kothari, Vipul (1613) | Lost 0-2 | -161491 |
| 4sealed | 1243 | Gajardo, Chris (1463) | Lost 0-2 | -181473 |
| top | average opponent: 1582record: 0-3-1 | new rating: 1473 | ||
| Grand Prix Atlanta 2015 (BFZ limited) | starting rating: 1539 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 98 | Williams, Conner (1502) | Won 2-0 | +171556 |
| 2sealed | 97 | Mouton, Jean-Paul (1667) | Lost 0-2 | -161540 |
| 3sealed | 603 | Hoover, Wade (1502) | Won 2-0 | +171557 |
| 4sealed | 350 | Cranfill, Drew (1565) | Lost 0-2 | -181539 |
| 5sealed | 481 | McCord, Kristopher (1552) | Lost 0-2 | -171522 |
| top | average opponent: 1557record: 2-3 | new rating: 1522 | ||
| Grand Prix Memphis 2015 (FRF standard) | starting rating: 1525 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 156 | Pickard, Dale (1446) | Lost 0-2 | -191506 |
| 2standard | 376 | Cross, Chris (1482) | Won 2-1 | +171523 |
| 3standard | 261 | Bishop, Dason (1500) | Won 2-0 | +181541 |
| 4standard | 265 | Redmon, Orbin (1518) | Won 2-0 | +171558 |
| 5standard | 13 | Frantz, Daniel (1537) | Lost 1-2 | -181540 |
| 6standard | 284 | Myers, Jonathan (1500) | Won 2-0 | +171557 |
| 7standard | 197 | Yeh, Martin (1527) | Lost 0-2 | -181539 |
| top | average opponent: 1501record: 4-3 | new rating: 1539 | ||
| Grand Prix Orlando 2014 (KTK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 490 | Ritter, Devon (1500) | Lost 0-0 | -181482 |
| 2sealed | 1060 | Shreve, Tre (1482) | Won 2-0 | +181500 |
| 3sealed | 315 | Pham, Luan (1502) | Won 2-1 | +181518 |
| 4sealed | 121 | Bowles, Jordan (1507) | Won 0-0 | +181536 |
| 5sealed | 93 | Padilla Chinas, Jorge (1669) | Won 2-0 | +201556 |
| 6sealed | 104 | Oliver, Neal (1891) | Lost 0-2 | -121544 |
| 7sealed | 188 | Hagen, Chase (1478) | Lost 0-2 | -191525 |
| top | average opponent: 1576record: 4-3 | new rating: 1525 | ||