Buchan, Lee
Current rating: 1477
Record: 12-15
| Grand Prix Birmingham 2019 (modern) | starting rating: 1492 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 83 | Van Doesburg, Steven (1555) | Lost 1-2 | -171475 |
| 3modern | 320 | Watson, Alex8657 (1519) | Won 2-1 | +191494 |
| 4modern | 119 | Macvaugh, Jason (1519) | Lost 1-2 | -171477 |
| 5modern | 240 | Fawcett, Joe (1435) | Won 2-1 | +171494 |
| 6modern | 212 | Fawcett, Dominic (1518) | Lost 0-2 | -181476 |
| 7modern | 246 | Glanville, Tom [ENG] (1511) | Lost 0-2 | -171459 |
| 8modern | 224 | Harland, Adam (1487) | Won 2-1 | +181477 |
| top | average opponent: 1506record: 3-4 | new rating: 1477 | ||
| Grand Prix Krakow 2019 (M20 limited) | starting rating: 1545 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 313 | Jastrzebowski, Piotr (1437) | Lost 0-2 | -201525 |
| 3sealed | 356 | Ratilainen, Tomi (1638) | Lost 0-2 | -161509 |
| 4sealed | 355 | Belasta, Matej (1701) | Lost 0-2 | -151494 |
| 5sealed | 375 | Sekyrka, Ondrej (1468) | Lost 1-2 | -181476 |
| 6sealed | 332 | Kruszec, Edyta (1339) | Won 2-0 | +151491 |
| 7sealed | 399 | Calzolari, Lorenzo (1519) | Lost 1-2 | -171474 |
| 8sealed | 415 | Kozica, Marek (1501) | Won 2-0 | +181492 |
| top | average opponent: 1515record: 2-5 | new rating: 1492 | ||
| Grand Prix Copenhagen 2019 (MH1 limited) | starting rating: 1510 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 260 | Kjaersgard-Jensen, Svend (1518) | Lost 1-2 | -181492 |
| 3sealed | 380 | Morsel, Ingo (1521) | Won 2-1 | +181510 |
| 4sealed | 334 | Lagerspetz, Simo (1716) | Won 2-1 | +221532 |
| 5sealed | 207 | Anders, Torsten (1805) | Won 2-0 | +231555 |
| 6sealed | 90 | Bohse Kabbeltved, Nicolai (1565) | Lost 0-2 | -181537 |
| 7sealed | 186 | Stecklina, Marco (1666) | Won 2-1 | +201557 |
| 8sealed | 169 | Wiegersma, Jelger (1861) | Lost 0-2 | -121545 |
| top | average opponent: 1665record: 4-3 | new rating: 1545 | ||
| Grand Prix Prague 2019 (UMA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1040 | Hansel, Stephan (1660) | Lost 1-2 | -151485 |
| 2sealed | 1048 | Bonfiglioli, Riccardo (1482) | Lost 0-2 | -181467 |
| 3sealed | 1135 | Bensch, Christian (1463) | Won 2-0 | +181485 |
| 4sealed | 916 | Bunka, Cyrill (1396) | Won 2-0 | +161501 |
| 5sealed | 591 | Vlcek, Tomas (1777) | Won 2-0 | +231524 |
| 6sealed | 398 | Heiss, Marvin (1717) | Lost 1-2 | -141510 |
| top | average opponent: 1582record: 3-3 | new rating: 1510 | ||