Aitken, William
Current rating: 1799 (#2245)
Record: 49-27
| Grand Prix Kobe 2017 (modern) | starting rating: 1664 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 142 | Pramanpol, Teedanai (1500) | Won 2-0 | +151679 |
| 2modern | 218 | Nakamura, Dai (1508) | Lost 0-2 | -211658 |
| 3modern | 844 | Koizumi, Ryuta (1464) | Won 2-0 | +141672 |
| 4modern | 798 | Nakadai, Keisuke (1467) | Won 2-1 | +151687 |
| 5modern | 546 | Shoji, Kenta (1638) | Lost 1-2 | -191668 |
| 6modern | 712 | Kimura, Yuu (1423) | Won 2-0 | +131681 |
| 7modern | 401 | Kurokawa, Junki (1545) | Won 2-0 | +161697 |
| 8modern | 232 | Wada, Yusuke (1509) | Won 2-0 | +141711 |
| 9modern | 115 | Kim, Youngsu (1557) | Won 2-1 | +161727 |
| 10modern | 170 | Yamamoto, Masayuki (1540) | Won 2-1 | +141741 |
| 11modern | 48 | Taniguchi, Hiroaki (1733) | Lost 0-2 | -181723 |
| 12modern | 141 | Kageyama, Hiroki (1743) | Won 2-1 | +181741 |
| 13modern | 98 | Lee, Shi Tian (2213) | Won 2-1 | +261767 |
| 14modern | 87 | Koshimura, Takeshi (1733) | Won 2-1 | +181785 |
| 15modern | 52 | Ogawa, Takumi (1566) | Won 2-0 | +141799 |
| top | average opponent: 1609record: 12-3 | new rating: 1799 | ||
| Grand Prix Louisville 2017 (legacy) | starting rating: 1688 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 655 | Bell, Matthew (1486) | Won 2-0 | +151703 |
| 2legacy | 427 | Vajda, Andy (1565) | Lost 1-2 | -211682 |
| 3legacy | 866 | Goulet-Vallieres, Guillaume (1450) | Won 2-0 | +141696 |
| 4legacy | 737 | Haupert, Jeremy (1448) | Won 2-0 | +141710 |
| 5legacy | 386 | Beckley, Coleman (1490) | Lost 1-2 | -221688 |
| 6legacy | 580 | Richtsmeier, Gene (1591) | Won 2-0 | +161704 |
| 7legacy | 430 | Applegate, David (1590) | Lost 1-2 | -201684 |
| 8legacy | 705 | Wheeler, Josh (1569) | Lost 1-2 | -201664 |
| top | average opponent: 1524record: 4-4 | new rating: 1664 | ||
| Grand Prix Charlotte 2016 (modern) | starting rating: 1703 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 95 | Hanna, Jason (1500) | Won 2-0 | +151718 |
| 2modern | 95 | Zelmanski-Neperud, Drew (1500) | Lost 1-2 | -221696 |
| 3modern | 709 | Flippen, Edward (1500) | Won 2-1 | +141710 |
| 4modern | 160 | Ferguson, Cormac (1501) | Lost 1-2 | -221688 |
| top | average opponent: 1500record: 2-2 | new rating: 1688 | ||
| Grand Prix Charlotte 2015 (modern) | starting rating: 1706 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1017 | Allums, John (1500) | Won 2-1 | +151721 |
| 2modern | 759 | Crawford, Adam (1607) | Won 2-0 | +161737 |
| 3modern | 893 | Jones, John (1533) | Lost 1-2 | -221715 |
| 4modern | 930 | Gangl, Cory (1522) | Won 2-1 | +141729 |
| 5modern | 734 | McGuckin, Connor (1586) | Lost 0-2 | -201709 |
| 6modern | 896 | Ma, Jesse (1527) | Won 2-1 | +151724 |
| 7modern | 700 | Reznikov, Eugene (1594) | Lost 0-2 | -211703 |
| top | average opponent: 1553record: 4-3 | new rating: 1703 | ||
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1708 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 12 | Sigman, Zach (1500) | Won 2-1 | +141722 |
| 2legacy | 175 | Mosier, Matt (1533) | Lost 1-2 | -211701 |
| 3legacy | 402 | Koh, Guangyong (1526) | Won 2-0 | +151716 |
| 4legacy | 359 | Heilicher, Ethan (1612) | Lost 0-2 | -201696 |
| 5legacy | 444 | Bilton, Tim (1612) | Won 2-0 | +161712 |
| 6legacy | 276 | Xie, Da (1578) | Won 2-1 | +161728 |
| 7legacy | 267 | Seale, Brian (1534) | Lost 0-2 | -221706 |
| top | average opponent: 1556record: 4-3 | new rating: 1706 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1531 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 46 | Kim, Dong (1551) | Won 2-1 | +181549 |
| 2modern | 319 | Thomas, Zachary (1518) | Won 2-0 | +181567 |
| 3modern | 69 | Goss, Jon (1495) | Won 2-1 | +171584 |
| 4modern | 27 | Bodee, Roger (1562) | Won 2-1 | +171601 |
| 5modern | 10 | Johnson, Mark (1464) | Won 2-0 | +161617 |
| 6modern | 7 | Newman, Carter (1556) | Won 2-0 | +171634 |
| 7modern | 10 | Kim, Jason (1588) | Won 2-0 | +171651 |
| 8modern | 4 | Manfield, Seth (1994) | Won 2-0 | +241675 |
| 9modern | 1 | Anderson, Nathan (1722) | Won 2-1 | +191694 |
| 10modern | 2 | Ayers, Daryl (1957) | Won 2-0 | +221716 |
| 11modern | 2 | Friedman, Ben (2047) | Won 2-0 | +241740 |
| 12modern | 1 | Martinez, Mario E (1684) | Won 2-0 | +171757 |
| 13modern | 1 | Calderon, Andrew (1947) | Lost 0-2 | -141743 |
| 14modern | 3 | Sigrist, Mike (1833) | Lost 1-2 | -171726 |
| 15modern | 5 | Rochette, Alex (1711) | Lost 1-2 | -181708 |
| top | average opponent: 1709record: 12-3 | new rating: 1708 | ||
| Grand Prix Washington DC 2013 (legacy) | starting rating: 1515 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 272 | Nowakowski, Stephen (1503) | Won 2-1 | +181533 |
| 2legacy | 63 | Lorenz, Alex (1518) | Won 2-0 | +181551 |
| 3legacy | 210 | Grigely, Jason (1535) | Lost 0-2 | -191532 |
| 4legacy | 477 | McCoy, David (1473) | Lost 1-2 | -191513 |
| 5legacy | 617 | Eckenrode, Luke (1502) | Won 2-0 | +181531 |
| 6legacy | 389 | Dixon, Lyle (1503) | Won 2-0 | +181549 |
| 7legacy | 308 | Copenhaver, Eric (1579) | Lost 0-2 | -181531 |
| top | average opponent: 1516record: 4-3 | new rating: 1531 | ||
| Grand Prix Denver 2008 (Lorwyn block) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 6 | Hawker, Eric F (1500) | Lost 0-2 | -181499 |
| 2block | 252 | Twarog, Eric (1475) | Lost 1-2 | -191480 |
| 3block | 277 | Jonas, Madison (1464) | Won 2-0 | +181498 |
| 4block | 250 | Hazlift, Jon (1484) | Won 2-0 | +181516 |
| 5block | 209 | Brooks, Justin (1500) | Won 2-0 | +171533 |
| 6block | 112 | Sconci, Jacob (1522) | Lost 0-2 | -181515 |
| top | average opponent: 1491record: 3-3 | new rating: 1515 | ||
| Grand Prix Salt Lake City 2005 (Kamigawa block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 61 | Cox, N. (1500) | Won 2-1 | +181518 |
| 2block | 54 | Brown, Matthew (1517) | Won 2-1 | +181536 |
| 3block | 12 | Cole, Brad (1519) | Lost 1-2 | -181518 |
| 4block | 68 | Aitchison, Michael (1473) | Won 2-0 | +171535 |
| 5block | 48 | Maliszewski, Nathannael (1534) | Lost 1-2 | -181517 |
| 6block | 54 | Cold, Taylor (1520) | Lost 1-2 | -181499 |
| 7block | 62 | Madsen, Max (1501) | Won 2-0 | +181517 |
| top | average opponent: 1509record: 4-3 | new rating: 1517 | ||