Tan, Wei Siong
Current rating: 1661
Record: 34-26-1 (GP) / 10-13 (professional)
| Regional Championships Singapore 2023 Cycle 4 (pioneer) | starting rating: 1684 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 71 | Primicias, James Joash (1479) | Won 2-0 | +141698 |
| 2pioneer | 29 | Poh, Liang Choong (1642) | Draw 1-1 | -11697 |
| 3pioneer | 21 | Chaovarindr, Thirawat (1845) | Lost 1-2 | -151682 |
| 4pioneer | 42 | Magdurulan, Vhon Cyrus (1500) | Lost 0-2 | -211661 |
| top | average opponent: 1616record: 1-2-1 | new rating: 1661 | ||
| Regional Championships Singapore 2023 (pioneer) | starting rating: 1703 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 52 | Meenwatthana, Weerawat (1634) | Won 2-1 | +171720 |
| 2pioneer | 37 | Yu, Ronald Joshua (1597) | Won 2-0 | +151735 |
| 3pioneer | 18 | Lip, Quinton (1756) | Lost 1-2 | -171718 |
| 4pioneer | 15 | Salcedo, A J (1530) | Won 2-0 | +141732 |
| 5pioneer | 20 | Morales, Juancho (1529) | Won 2-1 | +151747 |
| 6pioneer | 11 | Neo, Shawn Cher Kiat (1594) | Lost 1-2 | -211726 |
| 7pioneer | 16 | Padilla, Sergio (1451) | Lost 1-2 | -231703 |
| 8pioneer | 21 | Nugraha, Billy (1658) | Lost 1-2 | -191684 |
| top | average opponent: 1593record: 4-4 | new rating: 1684 | ||
| Pro Tour March of the Machine (MOM standard) | starting rating: 1654 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 107 | Rozakeas, Socrates (1885) | Won 2-0 | +221676 |
| 2draft | 24 | Madsen, Benton (1927) | Won 2-1 | +221698 |
| 3draft | 13 | Ferber, Chris (2044) | Lost 0-2 | -121686 |
| 4standard | 28 | Smith, Isaac (1760) | Won 2-0 | +201706 |
| 5standard | 13 | Hayne, Alexander (1991) | Lost 1-2 | -131693 |
| 6standard | 28 | Usui, Haruki (1941) | Lost 1-2 | -141679 |
| 7standard | 65 | Contencin, Jack (1600) | Won 2-1 | +171696 |
| 8standard | 33 | Kositaporn, Nonthakorn (1827) | Won 2-0 | +201716 |
| 9draft | 10 | Andrzejewski, Alan (1854) | Won 2-0 | +211737 |
| 10draft | 26 | Burchett, Autumn (1871) | Lost 1-2 | -161721 |
| 11draft | 44 | Ferber, Chris (2027) | Lost 0-2 | -121709 |
| 12standard | 12 | Castro, Miguel (2038) | Lost 0-2 | -131696 |
| 13standard | 65 | Iaali, Christopher (1851) | Won 2-0 | +211717 |
| 14standard | 48 | Klein, Fabian (1753) | Lost 1-2 | -171700 |
| 15standard | 57 | Robinson, Bradley (1894) | Lost 1-2 | -151685 |
| 16standard | 56 | Hitchcock, Steven (1659) | Won 2-0 | +181703 |
| top | average opponent: 1870record: 8-8 | new rating: 1703 | ||
| Regional Championships Clark 2023 (ONE standard) | starting rating: 1570 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 9 | Koh, Kai Che (1611) | Won 2-0 | +191589 |
| 2standard | 13 | Tan, Kiat Cheong (1582) | Won 2-0 | +181607 |
| 3standard | 3 | Guevara, Elijah (1408) | Won 2-1 | +141621 |
| 4standard | 4 | Wijaya, Christian (1788) | Won 2-0 | +211642 |
| 5standard | 1 | Chaovarindr, Thirawat (1852) | Won 2-0 | +221664 |
| 6standard | 1 | Pineda, Johnne Benedict (1705) | Lost 1-2 | -171647 |
| 7standard | 3 | Mendoza, Norbie (1659) | ID | 01647 |
| Qstandard | Price, Nicholas (1912) | Won 2-1 | +221669 | |
| Sstandard | Sahagun, John Daroen (1800) | Lost 0-2 | -151654 | |
| top | average opponent: 1702record: 6-2-1 | new rating: 1654 | ||
| Pro Tour Dominaria (DOM standard) | starting rating: 1606 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 174 | Chaovarindr, Thirawat (1751) | Lost 0-2 | -151591 |
| 2draft | 206 | Mann, Stephen (1789) | Lost 0-2 | -151576 |
| 3draft | 222 | Dylla, Henry (1469) | Won 2-0 | +161592 |
| 4standard | 130 | Hinderaker, Michael (1987) | Lost 0-2 | -111581 |
| 5standard | 170 | Ihlenfeldt, Samuel (1796) | Lost 1-2 | -141567 |
| 6standard | 211 | Stewart, Scott (1424) | Won 2-0 | +151582 |
| 7standard | 155 | D'Aniello, Carmine (1903) | Lost 1-2 | -121570 |
| top | average opponent: 1731record: 2-5 | new rating: 1570 | ||
| Grand Prix Kuala Lumpur 2014 (THS limited) | starting rating: 1588 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 88 | Soh, Terry (1980) | Lost 0-2 | -111577 |
| 3sealed | 359 | Chan, Charles Vincent (1500) | Won 2-1 | +171594 |
| 4sealed | 181 | Kwan, Wen Ching (1436) | Won 2-0 | +151609 |
| 5sealed | 164 | Young, Enrico (1455) | Won 2-1 | +151624 |
| 6sealed | 90 | Goh, Yong Zhi Nicholas (1636) | Won 2-0 | +181642 |
| 7sealed | 69 | Yam, Wing Chun (1721) | Lost 0-2 | -161626 |
| 8sealed | 77 | Sirimanne, Barry (1531) | Lost 1-2 | -201606 |
| top | average opponent: 1609record: 4-3 | new rating: 1606 | ||
| Grand Prix Hong Kong 2013 (THS limited) | starting rating: 1582 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 52 | Lee, Kwok Keung Kunbu (1396) | Won 2-0 | +151597 |
| 2sealed | 190 | Charm, Derek (1519) | Lost 0-2 | -201577 |
| 3sealed | 300 | Leung, Hon Chung (1523) | Lost 0-2 | -191558 |
| 4sealed | 346 | Yang, Wei (1540) | Won 2-0 | +181576 |
| 5sealed | 281 | Zeng, Zhe (1469) | Won 2-1 | +161592 |
| 6sealed | 172 | Lee, Nam San Nelson (1519) | Won 2-0 | +171609 |
| 7sealed | 161 | Oikawa, Hakudou (1481) | Lost 0-2 | -211588 |
| top | average opponent: 1492record: 4-3 | new rating: 1588 | ||
| Grand Prix Kuala Lumpur 2012 (DKA standard) | starting rating: 1492 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 70 | Malin, Antti (1636) | Lost 1-2 | -161476 |
| 3standard | 117 | Tiong, Chris (1786) | Won 2-0 | +241500 |
| 4standard | 106 | Purnama, Erick C (1637) | Won 2-0 | +201520 |
| 5standard | 65 | Jenny, Victor (1536) | Won 2-0 | +191539 |
| 6standard | 61 | Chua, David (1612) | Won 2-0 | +191558 |
| 7standard | 36 | Soh, Kee Choon (1571) | Lost 1-2 | -181540 |
| 8standard | 92 | Medalla, RJ (1506) | Won 2-0 | +181558 |
| 9standard | 32 | Suzuki, Masahiro (1473) | Won 2-1 | +161574 |
| 10standard | 31 | Siew, Han Liang (1594) | Lost 1-2 | -181556 |
| 11standard | 40 | Gan, Kian Keat Gary (1582) | Won 2-1 | +191575 |
| 12standard | 26 | Yin, Xin (1548) | Lost 0-2 | -191556 |
| 13standard | 35 | Soh, Joe (1709) | Won 2-0 | +211577 |
| 14standard | 27 | Shu, Peter (1635) | Won 2-0 | +191596 |
| 15standard | 21 | Endo, Ryota (1811) | Lost 1-2 | -141582 |
| top | average opponent: 1617record: 9-5 | new rating: 1582 | ||
| Grand Prix Singapore 2011 (NPH standard) | starting rating: 1496 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 96 | Hagiwara, Genta (1751) | Lost 1-2 | -131483 |
| 5standard | 83 | Aw Yeong, Weng Kwong (1563) | Won 2-1 | +191502 |
| 6standard | 34 | Chin, Kritz (1547) | Won 2-1 | +191521 |
| 7standard | 42 | Supapipat, Nattawin (1578) | Lost 0-2 | -171504 |
| 8standard | 54 | Woods, Conley (1817) | Lost 1-2 | -121492 |
| top | average opponent: 1651record: 2-3 | new rating: 1492 | ||
| Grand Prix Singapore 2009 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 69 | Lim, Peng chee (1500) | Lost 1-2 | -181482 |
| 2extended | 100 | Lim, Leslie (1386) | Lost 0-2 | -201462 |
| 3extended | 146 | Chen, Henry (1465) | Won 2-0 | +181480 |
| 4extended | 154 | Chee, Kin Seng Alferd (1431) | Won 2-0 | +171497 |
| 5extended | 113 | Peng, Tie Lun John (1473) | Won 2-0 | +181515 |
| 6extended | 74 | Wong, Qin Jin (1530) | Lost 0-2 | -181497 |
| 7extended | 114 | Araneta, Terence (1473) | Won 2-0 | +181515 |
| 8extended | 87 | Wong, Matthew [MYS] (1489) | Lost 1-2 | -191496 |
| top | average opponent: 1468record: 4-4 | new rating: 1496 | ||