Buchanan, Jack
Current rating: 1573
Record: 16-13
| Grand Prix Birmingham 2019 (modern) | starting rating: 1552 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 166 | Smart, Kyle (1500) | Won 2-0 | +171569 |
| 2modern | 100 | O'Gorman, Michael (1470) | Won 2-1 | +161585 |
| 3modern | 144 | Dharmarajah, Alexander (1499) | Won 2-1 | +171602 |
| 4modern | 71 | Jones, Ben (1726) | Lost 1-2 | -161586 |
| 5modern | 186 | Kelterbaum, Richard (1250) | Won 2-1 | +121598 |
| 6modern | 49 | Neumann, Joaquim (1449) | Lost 1-2 | -211577 |
| 7modern | 131 | Stapleton, Christopher (1528) | Lost 1-2 | -191558 |
| 8modern | 183 | Nikitakis, Noli (1368) | Won 2-0 | +151573 |
| top | average opponent: 1474record: 5-3 | new rating: 1573 | ||
| Grand Prix London 2019 (WAR sealed) | starting rating: 1589 | |||
| round | table | opponent (rating) | result | Δrating |
| C1sealed | 451 | Rohner, Dorian (1479) | Lost 0-2 | -201569 |
| C2sealed | 359 | Gomez Galvan, Carlos (1602) | Lost 0-2 | -171552 |
| top | average opponent: 1540record: 0-2 | new rating: 1552 | ||
| Grand Prix Birmingham 2018 (std) (DOM standard) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 19 | Brittain, Richard (1500) | Won 2-0 | +181484 |
| 2standard | 126 | Flores Valle, Jose Miguel (1631) | Lost 0-2 | -151469 |
| 3standard | 441 | Pendall, Harry (1498) | Won 2-0 | +181487 |
| 4standard | 278 | Holguin Loizaga, Emilio (1508) | Won 2-0 | +191506 |
| 5standard | 208 | Delouvee, Johan (1514) | Won 2-1 | +181524 |
| 6standard | 52 | Lee, Alan (1789) | Won 2-1 | +231547 |
| 7standard | 98 | Evans, Rhys (1689) | Won 2-1 | +201567 |
| 8standard | 40 | Eikenes, Lasse (1709) | Won 2-0 | +211588 |
| 9standard | 17 | Leigh, Simon (1961) | Lost 1-2 | -121576 |
| 10standard | 33 | Moore, Jordan (1598) | Lost 1-2 | -171559 |
| 11standard | 90 | Ammirata, Antonino (1568) | Lost 1-2 | -181541 |
| 12standard | 101 | Cogbill, James (1660) | Won 2-0 | +201561 |
| 13standard | 62 | Griffiths, Pip (1813) | Won 2-0 | +231584 |
| 14standard | 51 | Castro-Rappl, Christopher (1752) | Lost 0-2 | -151569 |
| 15standard | 81 | Fernandes, Andrew (1720) | Won 2-0 | +201589 |
| top | average opponent: 1661record: 10-5 | new rating: 1589 | ||
| Grand Prix London 2018 (RIX limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 26 | Tajak, Lukas (1689) | Lost 0-2 | -151485 |
| 2sealed | 471 | Greenwood, Doug (1474) | Won 2-0 | +181503 |
| 3sealed | 496 | Spillett, Oliver (1411) | Lost 0-2 | -191484 |
| 4sealed | 687 | Guest, Alec (1483) | Lost 0-2 | -181466 |
| top | average opponent: 1514record: 1-3 | new rating: 1466 | ||