Teo, Yi Chiang
Current rating: 1660
Record: 48-39-5
Grand Prix Singapore 2000Grand Prix Singapore 2001Grand Prix Kuala Lumpur 2002Grand Prix Melbourne 2002Grand Prix Singapore 2003Grand Prix Kuala Lumpur 2004Grand Prix Singapore 2005Grand Prix Kuala Lumpur 2006Grand Prix Singapore 2009Grand Prix Singapore 2013Grand Prix Kuala Lumpur 2014Grand Prix Singapore 2015
| Grand Prix Singapore 2015 (modern) | starting rating: 1666 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 99 | Wei Yen Shannon, Siow (1542) | Won 2-0 | +161682 |
| 4modern | 48 | Tamada, Ryoichi (1893) | Lost 1-2 | -141668 |
| 5modern | 80 | Keng, Alex (1521) | Lost 1-2 | -211647 |
| 6modern | 242 | Wong, Ling Guan J (1485) | Won 2-0 | +151662 |
| 7modern | 166 | Wong, Eugene (1572) | Won 2-1 | +171679 |
| 8modern | 81 | Lu, Pengjie (1618) | Lost 0-2 | -191660 |
| top | average opponent: 1605record: 3-3 | new rating: 1660 | ||
| Grand Prix Kuala Lumpur 2014 (THS limited) | starting rating: 1584 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 215 | Ming Hwa, Chen (1518) | Lost 0-2 | -201564 |
| 3sealed | 208 | Teo, Terence wei Jun (1464) | Lost 1-2 | -201544 |
| 4sealed | 379 | Tugbang, Jape (1432) | Won 2-1 | +161560 |
| 5sealed | 251 | Yeh, Chao Lung (1667) | Won 2-0 | +201580 |
| 6sealed | 154 | Perez, Jose Dominique (1499) | Won 2-0 | +171597 |
| 7sealed | 94 | Sparks, Damian (1449) | Won 2-0 | +151612 |
| 8sealed | 53 | James, Nicholas (1536) | Won 2-0 | +171629 |
| 9sealed | 48 | Oikawa, Hakudou (1552) | Won 2-0 | +161645 |
| 10draft | 34 | Sushkov, Vasily (1582) | Won 2-0 | +171662 |
| 11draft | 42 | Sim, Chapman (1802) | Lost 0-2 | -151647 |
| 12draft | 47 | Tang, Ker An Timothy (1608) | Won 2-1 | +171664 |
| 13draft | 26 | Sushkov, Vasily (1603) | Won 2-0 | +171681 |
| 14draft | 37 | Amundsen, Rune (1707) | Lost 0-2 | -181663 |
| 15draft | 38 | Au Yong, Wai Kin (1826) | Draw 1-1 | +31666 |
| top | average opponent: 1589record: 9-4-1 | new rating: 1666 | ||
| Grand Prix Singapore 2013 (RTR limited) | starting rating: 1589 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 97 | Chia, Benjamin (1500) | Won 2-1 | +171606 |
| 3sealed | 103 | Wong, Kang An (1536) | Draw 1-1 | -21604 |
| 4sealed | 115 | Iskandar, Nik (1484) | Won 2-1 | +161620 |
| 5sealed | 58 | Abdul Wahab, Shahrul Nizam (1550) | Lost 1-2 | -191601 |
| 6sealed | 121 | Ong, Desmond Wei Liang (1619) | Lost 1-2 | -181583 |
| 8sealed | 125 | Yii, Terh Kuen (1678) | Won 2-0 | +201603 |
| 9sealed | 89 | Ong, Hak Tiong (1527) | Lost 1-2 | -191584 |
| top | average opponent: 1556record: 3-3-1 | new rating: 1584 | ||
| Grand Prix Singapore 2009 (extended) | starting rating: 1597 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 37 | Cancio, John Michael (1518) | Won 1-0 | +171614 |
| 3extended | 19 | Tai, Jordan Wee Lok (1521) | Lost 1-2 | -201594 |
| 4extended | 101 | Gan, Meng San (1452) | Lost 1-2 | -211573 |
| 5extended | 130 | Lee, Keng Yin (1602) | Won 2-0 | +191592 |
| 6extended | 101 | Ang, Kok Beng (1515) | Won 2-1 | +171609 |
| 7extended | 74 | How, Wilfred (1537) | Lost 1-2 | -201589 |
| top | average opponent: 1524record: 3-3 | new rating: 1589 | ||
| Grand Prix Kuala Lumpur 2006 (DIS limited) | starting rating: 1607 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 39 | Jaro, Jan-michael (1519) | Won 2-0 | +171624 |
| 5sealed | 21 | Au Yong, Wai Kin (1850) | Lost 1-2 | -141610 |
| 6sealed | 29 | Gan, Chun Fung (1506) | Won 2-1 | +161626 |
| 7sealed | 27 | Fujita, Osamu (1789) | Lost 1-2 | -151611 |
| 8sealed | 40 | Law, Albertus Hui Chin (1842) | Lost 1-2 | -141597 |
| top | average opponent: 1701record: 2-3 | new rating: 1597 | ||
| Grand Prix Singapore 2005 (extended) | starting rating: 1637 | |||
| round | table | opponent (rating) | result | Δrating |
| 3extended | 47 | Tjandra, Miki (1537) | Won 2-0 | +161653 |
| 4extended | 39 | Nishino, Kenta (1659) | Lost 0-2 | -171636 |
| 5extended | 56 | Sundarakalin, Punthorn (1432) | Lost 1-2 | -221614 |
| 6extended | 80 | Bai, Mingzhi (1521) | Lost 1-2 | -201594 |
| 7extended | 97 | Neo, Jarred Chye Heng (1419) | Won 2-0 | +151609 |
| 8extended | 88 | Sim, Chun Hung Anthony (1518) | Draw 1-1 | -21607 |
| top | average opponent: 1514record: 2-3-1 | new rating: 1607 | ||
| Grand Prix Kuala Lumpur 2004 (5DN standard) | starting rating: 1535 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 11 | Buchanan, Andrew (1543) | Won 2-0 | +181553 |
| 4standard | 40 | Tang, Chee Loon (1520) | Won 2-0 | +171570 |
| 5standard | 16 | Tsai, Homg-Gi (1601) | Won 2-1 | +191589 |
| 6standard | 5 | Wee, Pang Ming (1826) | Won 2-1 | +221611 |
| 7standard | 1 | Chai, Royce Ming Huang (1871) | Won 2-1 | +231634 |
| 8standard | 1 | Pek, Cheng Wee (1603) | Lost 1-2 | -191615 |
| 9standard | 3 | Teh, Eugene (1618) | Lost 0-2 | -181597 |
| 10standard | 14 | Chun, Bo Ruad (1614) | Won 2-0 | +181615 |
| 11standard | 7 | Thio, Russell (1574) | Lost 1-2 | -181597 |
| 12standard | 9 | Vasu, Vivian (1616) | Won 2-0 | +181615 |
| 13standard | 8 | Tan, Chuen Hwa (1860) | Won 2-1 | +221637 |
| top | average opponent: 1659record: 8-3 | new rating: 1637 | ||
| Grand Prix Singapore 2003 (LGN limited) | starting rating: 1558 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 40 | Yong, Kim Yew Shawn (1518) | Won 2-1 | +171575 |
| 3sealed | 25 | Wang, Xuan-ji (1500) | Lost 0-2 | -191556 |
| 4sealed | 40 | Li, Fabien (1501) | Won 2-1 | +171573 |
| 5sealed | 42 | Sutthisakorn, Channarong (1518) | Lost 0-2 | -191554 |
| 6sealed | 66 | Soh, Joe (1483) | Lost 0-2 | -191535 |
| top | average opponent: 1504record: 2-3 | new rating: 1535 | ||
| Grand Prix Melbourne 2002 (ONS rochester) | starting rating: 1562 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 28 | Williamson, James (1518) | Lost 1-2 | -191543 |
| 3sealed | 48 | Zhang, Tao (1500) | Lost 0-2 | -191524 |
| 4sealed | 71 | Kosa, Tibor (1482) | Lost 0-2 | -181506 |
| 5sealed | 73 | Turner, Daniel (1494) | Won 2-0 | +171523 |
| 6sealed | 63 | Ye, James (1481) | Won 2-0 | +181541 |
| 7sealed | 56 | Bauer, Jon (1500) | Won 2-1 | +171558 |
| top | average opponent: 1496record: 3-3 | new rating: 1558 | ||
| Grand Prix Kuala Lumpur 2002 (TOR limited) | starting rating: 1456 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 8 | Muhsin, Aminuddin (1500) | Won 2-1 | +191475 |
| 2sealed | 31 | Zainuddin, Shamsul Bahrin (1518) | Won 2-0 | +191494 |
| 3sealed | 32 | Tamber, Tobey (1661) | Won 2-1 | +211515 |
| 4sealed | 27 | Kwan, David Wei Phang (1605) | Won 2-0 | +201535 |
| 5sealed | 16 | Zhou, Yujian (1654) | Lost 1-2 | -161519 |
| 6sealed | 14 | Jirapongtrakul, Boonchai (1599) | Lost 0-2 | -171502 |
| 7sealed | 35 | Suwansunthorn, Pluet (1556) | Won 2-0 | +191521 |
| 8draft | 3 | Paculio, DJonathan (1545) | Won 2-0 | +191540 |
| 9draft | 7 | Camangon, Gerald (1348) | Lost 1-2 | -221518 |
| 10draft | 21 | Higashino, Masayuki (1779) | Won 2-0 | +231541 |
| 11draft | 13 | Wee, Pang Ming (1757) | Lost 0-2 | -141527 |
| 12draft | 12 | Zhu, Benjamin Zhiwei (1461) | Won 2-0 | +171544 |
| 13draft | 16 | Ang, Junyang (1568) | Won 2-0 | +181562 |
| top | average opponent: 1581record: 9-4 | new rating: 1562 | ||
| Grand Prix Singapore 2001 (Invasion block) | starting rating: 1428 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 13 | Tiong, Chris (1517) | Lost 0-2 | -161412 |
| 2block | 78 | Prasitthikul, Siam (1482) | Draw 0-0 | +11413 |
| 3block | 93 | Therrien, Troy (1483) | Lost 0-2 | -171396 |
| 4block | 122 | Lim, Paul Qi-En (1513) | Won 2-0 | +211417 |
| 5block | 104 | Koh, Fu Yong Jason (1500) | Won 2-0 | +191436 |
| 6block | 86 | Balakrishnan, Sashi Kumar (1499) | Draw 0-0 | +11437 |
| 7block | 93 | Eurkittiroj, Arthit (1499) | Won 2-0 | +191456 |
| top | average opponent: 1499record: 3-2-2 | new rating: 1456 | ||
| Grand Prix Singapore 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 29 | Neo, Jonathan Anthony (1518) | Lost 0-2 | -181482 |
| 2extended | 68 | Loh, Chuan Han (1482) | Lost 1-2 | -181464 |
| 3extended | 73 | Chotirat, Ommaphat (1464) | Lost 0-2 | -181446 |
| 4extended | 98 | Ng, Yun Chi (1446) | Won 2-1 | +181464 |
| 5extended | 88 | Chow, Yew Mun Edmund (1465) | Lost 0-2 | -181446 |
| 6extended | 91 | Singh, Suraj Prakash (1446) | Lost 1-2 | -181428 |
| top | average opponent: 1470record: 1-5 | new rating: 1428 | ||