Teoh, Ian
Current rating: 1577
Record: 21-17-2
| Grand Prix Bangkok 2019 (ELD limited) | starting rating: 1567 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 172 | Shibata, Yasumasa (1506) | Won 2-1 | +171584 |
| 2sealed | 73 | Niu, Yaoqi (1441) | Draw 1-1 | -31581 |
| 3sealed | 203 | Buyawattana, Benjapol (1520) | Lost 1-2 | -191562 |
| 4sealed | 278 | Chikit, Chan (1500) | Won 2-0 | +171579 |
| 5sealed | 195 | Pathonsmith, Poom (1489) | Lost 0-2 | -201559 |
| 6sealed | 240 | Suumaki, Mikko (1506) | Won 2-1 | +181577 |
| 7sealed | 174 | Chong, Hosea Tze Foong (1495) | Won 2-0 | +161593 |
| 8sealed | 123 | Takano, Masahiro (1685) | Lost 0-2 | -161577 |
| top | average opponent: 1518record: 4-3-1 | new rating: 1577 | ||
| Grand Prix Singapore 2017 (XLN limited) | starting rating: 1584 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2 | Nilnond, Surathep (1431) | Won 2-0 | +151599 |
| 2sealed | 68 | Lin, Ruizi (1911) | Lost 0-2 | -121587 |
| 3sealed | 192 | Tjiptahardja, Ryan (1498) | Lost 1-2 | -201567 |
| 4sealed | 225 | Nam, Yunbaek (1483) | Won 2-0 | +161583 |
| 5sealed | 204 | Singh, Devsharan (1601) | Draw 1-1 | +11584 |
| 6sealed | 172 | Di Bucci, Paolo (1508) | Lost 1-2 | -201564 |
| 7sealed | 198 | Tjiawi, Raymond (1480) | Won 2-1 | +171581 |
| 8sealed | 162 | Goshima, Akito (1815) | Lost 0-2 | -141567 |
| top | average opponent: 1591record: 3-4-1 | new rating: 1567 | ||
| Grand Prix Guangzhou 2016 (modern) | starting rating: 1612 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 151 | Kusakabe, Kyohei (1842) | Won 2-0 | +221634 |
| 2modern | 40 | Lam, Kevin [HKG] (1613) | Lost 0-2 | -191615 |
| 3modern | 148 | Ruan, Jianyong (1554) | Won 2-0 | +171632 |
| 4modern | 122 | Zhou, Xing (1476) | Won 2-1 | +151647 |
| 5modern | 82 | Wang, Yuanying (1619) | Lost 1-2 | -181629 |
| 6modern | 84 | Chen, Xinrong (1456) | Lost 0-2 | -211608 |
| 7modern | 172 | Cai, Xi Yu (1451) | Won 2-1 | +151623 |
| 8modern | 1095 | Yang, Yi (1554) | Lost 1-2 | -191604 |
| 9modern | 121 | Chum, Tian You (1502) | Lost 1-2 | -201584 |
| top | average opponent: 1563record: 4-5 | new rating: 1584 | ||
| Grand Prix Singapore 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 301 | Heng, Jee Siang (1500) | Won 2-0 | +181518 |
| 2modern | 122 | Low, Wei Chern (1518) | Lost 1-2 | -181500 |
| 3modern | 324 | Dennis, Alex (1500) | Won 2-1 | +181518 |
| 4modern | 331 | Shi, Zhun (1436) | Won 2-0 | +171535 |
| 5modern | 177 | Koh, Wee Lee Kelvin (1436) | Won 2-1 | +161551 |
| 6modern | 87 | Neo, Hong Zhi (1634) | Lost 1-2 | -171534 |
| 7modern | 122 | Chan, Hao Xian (1540) | Won 2-0 | +181552 |
| 8modern | 91 | Luyun, Roy (1558) | Won 2-1 | +181570 |
| 9modern | 103 | Lu, Pengjie (1637) | Won 2-0 | +201590 |
| 10modern | 65 | Saitou, Ryuuga (1734) | Won 2-1 | +201610 |
| 11modern | 34 | Matsubara, Ichiro (1897) | Won 2-0 | +231633 |
| 12modern | 16 | Yam, Wing Chun (1954) | Lost 1-2 | -121621 |
| 13modern | 18 | Wong, Nicholas Jonathan (1858) | Lost 0-2 | -141607 |
| 14modern | 37 | Cheung, Justin (1880) | Lost 1-2 | -131594 |
| 15modern | 52 | Go, Patrick John (1568) | Won 2-1 | +181612 |
| top | average opponent: 1643record: 10-5 | new rating: 1612 | ||