Howells, Luke
Current rating: 1475
Record: 6-8
| Grand Prix London 2019 (WAR sealed) | starting rating: 1442 | |||
| round | table | opponent (rating) | result | Δrating |
| D1sealed | 1166 | Zhang, Chaoxi (1820) | Lost 1-2 | -111431 |
| D2sealed | 1239 | Taku, Phoenix (1406) | Won 2-0 | +171448 |
| D3sealed | 1200 | Yamagata, Yutaro (1603) | Won 2-1 | +211469 |
| D4sealed | 1091 | Bartollini, Jacopo (1767) | Lost 0-2 | -131456 |
| D5sealed | 1133 | Mehl, Ben (1499) | Won 2-1 | +191475 |
| average opponent: 1619record: 3-2 | new rating: 1475 | |||
| Grand Prix London 2013 (GTC limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 397 | Lopes, Nuno (1533) | Lost 0-2 | -171483 |
| 2sealed | 562 | Rofa, Jose Luis (1520) | Won 2-1 | +181501 |
| 3sealed | 525 | Cox, Daniel (1417) | Won 2-0 | +171518 |
| 4sealed | 296 | Talbot, Ryan (1340) | Won 2-0 | +151533 |
| 5sealed | 239 | Savetun, Lukas (1537) | Lost 0-2 | -181515 |
| 6sealed | 430 | Cheshire, Stuart (1518) | Lost 1-2 | -181497 |
| 7sealed | 447 | Villem, Mikk (1510) | Lost 0-2 | -181479 |
| 8sealed | 457 | Majowicz, Julien (1436) | Lost 1-2 | -191460 |
| 9sealed | 386 | Yearsley, James (1464) | Lost 0-2 | -181442 |
| average opponent: 1475record: 3-6 | new rating: 1442 | |||