Rose, Hywel
Current rating: 1433
| Grand Prix Manchester 2012 (DKA limited) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 509 | Nicholls, Samuel (1500) | Lost 1-2 | -181449 |
| 2sealed | 555 | Sheerin, Will (1483) | Won 2-1 | +191468 |
| 3sealed | 525 | Adams, Daniel [ENG] (1499) | Lost 0-2 | -181450 |
| 4sealed | 586 | Bert, Johan (1482) | Lost 0-2 | -171433 |
| top | average opponent: 1491record: 1-3 | new rating: 1433 | ||
| Grand Prix Strasbourg 2007 (Time Spiral block) | starting rating: 1504 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 78 | Hild, Greg (1490) | Won 2-0 | +171521 |
| 2block | 18 | Noack, Julian (1518) | Lost 0-2 | -181503 |
| 3block | 214 | Magnaval, Julien (1500) | Lost 1-2 | -181485 |
| 4block | 223 | Henigin, Fabian (1451) | Lost 1-2 | -181467 |
| top | average opponent: 1490record: 1-3 | new rating: 1467 | ||
| Grand Prix Cardiff 2006 (GPT limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 80 | Ronaldson, Luke (1619) | Lost 1-2 | -161484 |
| 2sealed | 120 | Taylor, Ryan [ENG] (1568) | Lost 0-0 | -161468 |
| 3sealed | 151 | Morris, Christopher [WAL] (1465) | Won 2-0 | +181486 |
| 4sealed | 144 | Soh, Heng Huat Rowan (1534) | Won 2-1 | +191505 |
| 5sealed | 104 | Willcox, Alex (1504) | Won 2-0 | +181523 |
| 6sealed | 86 | Logan, William (1517) | Lost 0-2 | -191504 |
| 7sealed | 84 | Bresland, Noel (1458) | Won 2-1 | +181522 |
| 8sealed | 69 | Hellsten, Richard (1523) | Lost 0-2 | -181504 |
| top | average opponent: 1524record: 4-4 | new rating: 1504 | ||