Williams, Roy
Current rating: 1601
Record: 11-13-1 (GP) / 36-39-2 (professional)
| Grand Prix Gothenburg 2013 (DGM limited) | starting rating: 1629 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 250 | Nilsson, Samuel (1500) | Draw 1-1 | -21627 |
| 2sealed | 243 | Andsjon, Jan Sindre (1486) | Won 2-0 | +161643 |
| 3sealed | 158 | Brinning, Patrik (1463) | Lost 0-2 | -221621 |
| 4sealed | 313 | Eriksson, Vidar (1501) | Lost 1-2 | -201601 |
| top | average opponent: 1487record: 1-2-1 | new rating: 1601 | ||
| 2006 World Championship (mixed) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 3 | Dominguez, Javier (1790) | Lost 1-2 | -131510 |
| 2standard | 124 | Perez, Andres E (1486) | Lost 1-2 | -191491 |
| 3standard | 138 | Lundquist, Ben (1575) | Lost 0-2 | -161475 |
| 4standard | 163 | Middleton, Gareth (1389) | Won 2-0 | +161491 |
| 5standard | 136 | Clayton, Andrew P. (1421) | Lost 1-2 | -191472 |
| 6standard | 166 | Sisask, Erkki (1558) | Won 2-0 | +201492 |
| 7draft | 111 | Zampere Junior, Celso (1688) | Won 2-0 | +211513 |
| 8draft | 16 | Stein, Sam (1734) | Lost 0-2 | -141499 |
| 9draft | 137 | Hodovan, Miklos (1484) | Lost 1-2 | -181481 |
| 10draft | 62 | Kopec, Mateusz (1467) | Won 2-0 | +181499 |
| 11draft | 4 | Herrero, Sergi (1671) | Won 2-1 | +211520 |
| 12draft | 111 | Godinez Estrada, Gerardo (1832) | Lost 0-2 | -131507 |
| 13extended | 132 | Jaro, Ogie (1453) | Won 2-0 | +171524 |
| 14extended | 110 | Lauriol, Sylvain (1794) | Won 2-0 | +231547 |
| 15extended | 89 | Carlsson, Simon (1662) | Won 2-0 | +201567 |
| 16extended | 60 | Oberbek, Przemyslaw (1695) | Won 2-0 | +201587 |
| 17extended | 50 | Martin, Quentin (1971) | Won 2-0 | +251612 |
| 18extended | 50 | Gatica, Miguel (1577) | Won 2-0 | +171629 |
| top | average opponent: 1625record: 11-7 | new rating: 1629 | ||
| Grand Prix Cardiff 2006 (GPT limited) | starting rating: 1543 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 7 | Campbell, Gary (1636) | Won 2-1 | +201563 |
| 5sealed | 6 | Ward, Colin (1529) | Lost 1-2 | -191544 |
| 6sealed | 13 | Salvin, Jean Charles (1856) | Won 2-1 | +241568 |
| 7sealed | 26 | Gilbey, Rachel (1590) | Lost 0-2 | -181550 |
| 8sealed | 67 | Rigby, Neil (1595) | Won 2-0 | +191569 |
| 9draft | 17 | Hopkins, Jon (1543) | Lost 0-2 | -191550 |
| 11draft | 13 | Gilbey, Rachel (1622) | Won 2-0 | +201570 |
| 12draft | 20 | Andreasen, Dennis (1649) | Lost 0-2 | -171553 |
| 13draft | 24 | Wright, Stuart (1855) | Lost 0-2 | -121541 |
| 14draft | 20 | Stokes, Sam (1563) | Lost 0-2 | -181523 |
| top | average opponent: 1644record: 4-6 | new rating: 1523 | ||
| Grand Prix Nottingham 2005 (RAV limited) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 3 | Orsini Jones, Marco (1519) | Won 2-0 | +181507 |
| 2sealed | 84 | Magica, Reina (1506) | Won 2-0 | +181525 |
| 3sealed | 34 | Burdick, Dan (1726) | Won 2-0 | +221547 |
| 4sealed | 52 | Ruel, Antoine (1914) | Lost 1-2 | -121535 |
| 5sealed | 91 | Loeb, Davy (1827) | Lost 1-2 | -121523 |
| 6sealed | 89 | Poujade, Matthieu (1536) | Won 2-0 | +181541 |
| 7sealed | 95 | McKeon, Robert (1558) | Won 2-1 | +181559 |
| 8sealed | 66 | Steiner, Stefan (1670) | Lost 1-2 | -161543 |
| top | average opponent: 1657record: 5-3 | new rating: 1543 | ||
| 2003 World Championship (mixed) | starting rating: 1468 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 3 | Asahara, Akira (1941) | Lost 1-2 | -101458 |
| 2standard | 14 | Jorstedt, Mattias (1944) | Lost 0-2 | -101448 |
| 3standard | 81 | Caseiro, Rodrigo (1496) | Lost 1-2 | -171431 |
| 4standard | 30 | Tenenbaum, Amiel (1678) | Won 2-0 | +221453 |
| 5standard | 20 | Rizhikov, Pavel (1537) | Won 2-1 | +201473 |
| 6standard | 111 | Todorovic, Borut (1660) | Won 2-0 | +211494 |
| 7rochester | 48 | Zatlkaj, Matej (1726) | Won 2-0 | +221516 |
| 8rochester | 67 | Maneechareonwong, Prapon (1491) | Won 2-0 | +181534 |
| 9rochester | 26 | Barbero, Jose (1921) | Lost 0-2 | -111523 |
| 10rochester | 49 | Cleemann, Jonas (1721) | Lost 0-2 | -151508 |
| 11rochester | 147 | van den Hanenberg, Frank (1624) | Lost 1-2 | -161492 |
| 12rochester | 90 | Maneechareonwong, Prapon (1467) | Won 2-0 | +181510 |
| 13extended | 29 | Lamr, Martin (1488) | Lost 0-2 | -191491 |
| 14extended | 105 | Zatlkaj, Matej (1683) | Lost 1-2 | -141477 |
| 15extended | 30 | Khamzin, Albert (1491) | Won 2-1 | +181495 |
| 16extended | 71 | Neumaier, Thomas (1658) | Won 2-0 | +211516 |
| 17extended | 125 | Tenenbaum, Amiel (1707) | Lost 1-2 | -151501 |
| 18extended | 85 | Karsten, Frank (1809) | Lost 1-2 | -121489 |
| top | average opponent: 1669record: 8-10 | new rating: 1489 | ||
| 2003 European Championship (mixed) | starting rating: 1545 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 20 | Malakhov, Aleksey (1500) | Lost 1-2 | -191526 |
| 2standard | 75 | Batten, Styfen (1466) | Lost 1-2 | -191507 |
| 3standard | 123 | Tokoli, Zsolt (1659) | Won 2-0 | +211528 |
| 4rochester | 96 | Santin, Andrea (1809) | Lost 0-2 | -131515 |
| 5rochester | 19 | Stivoli, Federico (1509) | Won 2-1 | +181533 |
| 6rochester | 92 | Coeckelbergh, Gert (1693) | Lost 0-2 | -151518 |
| 7rochester | 100 | van den Hanenberg, Frank (1631) | Lost 1-2 | -161502 |
| 8rochester | 67 | Martin, Quentin (1638) | Lost 1-2 | -161486 |
| 9rochester | 6 | McIntyre, Graeme (1462) | Lost 0-2 | -181468 |
| top | average opponent: 1596record: 2-7 | new rating: 1468 | ||
| 2002 European Championship (mixed) | starting rating: 1472 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 133 | Ziegner, Mark (1409) | Won 2-0 | +171489 |
| 2draft | 20 | Roussel, Johann (1642) | Won 2-1 | +211510 |
| 3draft | 20 | Leu, Roger (1719) | Draw 1-1 | +41514 |
| 4draft | 39 | Liptak, Gabor (1499) | Won 2-1 | +171531 |
| 5draft | 12 | Cornelissen, Kamiel (1986) | Lost 0-2 | -101521 |
| 6draft | 30 | Queroub, Steve (1745) | Lost 0-2 | -141507 |
| 7draft | 23 | Santin, Andrea (1960) | Draw 1-1 | +81515 |
| 8standard | 74 | Holdhus, Egon (1632) | Won 2-0 | +201535 |
| 9standard | 53 | Benifei, Marco (1721) | Lost 1-2 | -151520 |
| 10standard | 72 | Osipov, Andrey (1504) | Lost 0-2 | -181502 |
| 11standard | 82 | Gomersall, Sam (1485) | Won 2-1 | +181520 |
| 12standard | 64 | Tomecek, Tomas (1501) | Won 2-1 | +171537 |
| 13standard | 51 | Wall, Mike (1735) | Won 2-1 | +221559 |
| 14standard | 38 | Dumay, Alexis (1778) | Lost 0-2 | -141545 |
| top | average opponent: 1665record: 7-5-2 | new rating: 1545 | ||
| Grand Prix London 2001 (Invasion block) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 101 | Van Valkenburg, Roy (1517) | Won 2-0 | +191507 |
| 3block | 80 | Nowicki, Ebbe (1518) | Lost 0-2 | -181489 |
| 4block | 141 | Arbide, Inaki (1570) | Lost 1-2 | -171472 |
| top | average opponent: 1535record: 1-2 | new rating: 1472 | ||
| 2001 European Championship (mixed) | starting rating: 1491 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 66 | Boeken, Noah (1952) | Won 2-0 | +261517 |
| 2standard | 2 | Bolca, Sinan (1488) | Lost 0-2 | -191498 |
| 3standard | 47 | Vefa, Yusuf Kemal (1284) | Won 2-1 | +151513 |
| 4standard | 34 | Norris, Pete (1607) | Won 2-1 | +191532 |
| 5standard | 28 | Paskins, Daniel (1652) | Lost 1-2 | -151517 |
| 6standard | 28 | Bialek, Szymon (1527) | Won 2-0 | +181535 |
| 7standard | 28 | Rubelj, Ivan (1568) | Lost 0-2 | -181517 |
| 8rochester | 102 | Vollebregt, Joost (1793) | Lost 0-2 | -131504 |
| 9rochester | 93 | Ciszek, Adrian (1567) | Won 2-0 | +191523 |
| 10rochester | 7 | Giusti, Norberto (1571) | Lost 0-2 | -171506 |
| 11rochester | 117 | Cresswell, Stuart (1400) | Lost 0-2 | -201486 |
| 12rochester | 82 | Jones, Craig (1536) | Won 2-1 | +191505 |
| 13rochester | 64 | Kapalas, Georgios (1558) | Lost 1-2 | -171488 |
| top | average opponent: 1577record: 6-7 | new rating: 1488 | ||
| 2000 European Championship (mixed) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 80 | Johnson, Bill [ENG] (1500) | Won 2-1 | +181518 |
| 2draft | 9 | Cornelissen, Jesse (1522) | Lost 1-2 | -181500 |
| 3draft | 83 | Llopis Martinez, Paco Francisco (1689) | Lost 0-2 | -151485 |
| 4draft | 90 | Gasparac, Lovro (1487) | Won 2-0 | +191504 |
| 5draft | 89 | Eskeland, Sigurd (1823) | Lost 0-2 | -131491 |
| top | average opponent: 1604record: 2-3 | new rating: 1491 | ||