Roberts, Owain
Current rating: 1442
Record: 28-32
| Grand Prix Birmingham 2019 (modern) | starting rating: 1390 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 60 | Potera, Lukasz (1500) | Won 2-1 | +201410 |
| 2modern | 141 | Aylett, Mark (1633) | Lost 1-2 | -141396 |
| 3modern | 251 | Townson, Charlotte (1500) | Won 2-0 | +201416 |
| 4modern | 152 | France, Adam (1500) | Lost 1-2 | -161400 |
| 5modern | 345 | Wilder, Louis (1430) | Won 2-1 | +181418 |
| 6modern | 216 | Mccourt, Daniel (1526) | Won 2-0 | +201438 |
| 7modern | 142 | Mccarthy-Jones, Sean (1521) | Lost 0-2 | -161422 |
| 8modern | 185 | Phelps, Jason (1526) | Won 2-0 | +201442 |
| top | average opponent: 1517record: 5-3 | new rating: 1442 | ||
| Grand Prix Birmingham 2018 (leg) (legacy) | starting rating: 1422 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 207 | Faina, Andrea (1579) | Lost 1-2 | -151407 |
| 2legacy | 392 | Woodleigh, Mike (1389) | Lost 0-2 | -181389 |
| 3legacy | 555 | Butard, Alexis (1331) | Lost 1-2 | -191370 |
| 4legacy | 535 | Leeb, Jakob (1485) | Won 2-1 | +201390 |
| 5legacy | 496 | Brass, Josh (1380) | Lost 1-2 | -181372 |
| 6legacy | 465 | Silva, Rui (1387) | Won 2-0 | +181390 |
| 7legacy | 360 | Talbot, Joseph (1465) | Won 2-1 | +191409 |
| 8legacy | 289 | Aaltonen, Janne (1365) | Lost 0-2 | -191390 |
| top | average opponent: 1423record: 3-5 | new rating: 1390 | ||
| Grand Prix Liverpool 2017 (XLN limited) | starting rating: 1507 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 283 | Papworth, Christopher (1500) | Won 2-0 | +181525 |
| 2sealed | 257 | Wong, Laurence (1421) | Lost 1-2 | -201505 |
| 3sealed | 400 | Cavalcanti, Pedro (1652) | Won 2-0 | +211526 |
| 4sealed | 302 | Tuduri, Ricard (1830) | Lost 1-2 | -131513 |
| 5sealed | 283 | Hecht, Stefan (1529) | Lost 0-2 | -181495 |
| 6sealed | 370 | Scotson, Benjamin (1485) | Lost 0-2 | -181477 |
| 7sealed | 430 | Kotlenko, Alexander (1518) | Lost 0-2 | -171460 |
| 8sealed | 395 | Warren, Mark (1375) | Lost 0-2 | -201440 |
| 9sealed | 345 | Fasel, Pascal (1428) | Lost 0-2 | -181422 |
| top | average opponent: 1526record: 2-7 | new rating: 1422 | ||
| Grand Prix Birmingham 2017 (modern) | starting rating: 1617 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 282 | Lankester, Martin (1499) | Won 2-0 | +161633 |
| 2modern | 104 | Azevedo, Paulo (1517) | Lost 0-0 | -201613 |
| 3modern | 505 | Isaacs, Paul (1444) | Won 2-0 | +151628 |
| 4modern | 442 | Azevedo, Pedro (1571) | Lost 0-2 | -191609 |
| 5modern | 409 | Munk, Thomas (1542) | Lost 1-2 | -201589 |
| 6modern | 639 | Earl, Mike (1424) | Lost 0-2 | -211568 |
| 7modern | 637 | Devereux, Andrew (1367) | Lost 0-2 | -211547 |
| 8modern | 612 | Cuffe, John (1472) | Lost 1-2 | -201527 |
| 9modern | 544 | Monck, Zachary (1408) | Lost 1-2 | -201507 |
| top | average opponent: 1472record: 2-7 | new rating: 1507 | ||
| Grand Prix Manchester 2016 (SOI standard) | starting rating: 1606 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 351 | Nayegon-Bishop, Tobias (1500) | Lost 1-2 | -201586 |
| 2standard | 554 | Berring, Nicholas (1602) | Won 2-1 | +181604 |
| 3standard | 581 | Mitchell, Thomas [ENG] (1499) | Won 2-0 | +161620 |
| 4standard | 393 | Diekjobst, Lukas (1737) | Won 2-0 | +201640 |
| 5standard | 241 | Ravenshear, Stuart (1617) | Won 2-1 | +181658 |
| 6standard | 70 | Harvey, Dominic (1708) | Lost 1-2 | -171641 |
| 7standard | 254 | Allen, James [ENG] (1535) | Won 2-1 | +161657 |
| 8standard | 136 | Bradshaw, Luke7947 (1561) | Lost 0-2 | -201637 |
| 9standard | 198 | Harris, Nathan (1516) | Lost 0-2 | -201617 |
| top | average opponent: 1586record: 5-4 | new rating: 1617 | ||
| Grand Prix Liverpool 2015 (FRF limited) | starting rating: 1544 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 377 | Huts, Roy (1635) | Won 2-0 | +201564 |
| 2sealed | 275 | Boyd, Gerard (1623) | Lost 1-2 | -171547 |
| 3sealed | 414 | Palijama, Maurice (1750) | Won 2-0 | +221569 |
| 4sealed | 358 | Graham, Joshua (1521) | Won 2-1 | +171586 |
| 5sealed | 278 | Goldstein, Graham (1539) | Won 2-0 | +171603 |
| 6sealed | 168 | Guedj, Thomas (1759) | Lost 1-2 | -151588 |
| 7sealed | 155 | Woo, Travis (1876) | Lost 1-2 | -131575 |
| 8sealed | 299 | Tunnard, Andrew (1382) | Won 2-0 | +151590 |
| 9sealed | 167 | Channing, Henry (1479) | Won 2-0 | +161606 |
| top | average opponent: 1618record: 6-3 | new rating: 1606 | ||
| Grand Prix Manchester 2014 (Theros block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 436 | Hughes, Daniel (1443) | Won 2-1 | +171517 |
| 2block | 278 | Wright, Stuart (1843) | Lost 1-2 | -121505 |
| 3block | 533 | Wheelhouse, Laura (1500) | Won 2-0 | +181523 |
| 4block | 382 | Meehan, Paul (1557) | Won 2-0 | +181541 |
| 5block | 126 | Barrett, Matthew [WAL] (1542) | Lost 1-2 | -181523 |
| 6block | 215 | Barnes, Craig (1557) | Lost 1-2 | -171506 |
| 7block | 308 | Humbert, Laurent (1536) | Won 2-0 | +181524 |
| 8block | 276 | Fornasari, Michele (1637) | Won 2-1 | +201544 |
| top | average opponent: 1577record: 5-3 | new rating: 1544 | ||