Yuen, Lionel Weng Foong
Current rating: 1467
Record: 25-24-5 (GP) / 7-14 (professional)
| Pro Tour Kobe 2006 (TSP draft) | starting rating: 1528 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 55 | Kunkel, Jeremy (1612) | Won 2-0 | +201548 |
| 2draft | 99 | Caruso, Norman (1543) | Lost 1-2 | -181530 |
| 3draft | 158 | Akbulut, Berk (1513) | Lost 0-2 | -191511 |
| 4draft | 138 | Vienneau, Matthew (1625) | Lost 1-2 | -161495 |
| 5draft | 99 | Grimes, William (1589) | Lost 0-2 | -161479 |
| 6draft | 110 | Chang, Chih-Hsiang (1802) | Lost 1-2 | -121467 |
| top | average opponent: 1614record: 1-5 | new rating: 1467 | ||
| Grand Prix Kuala Lumpur 2006 (DIS limited) | starting rating: 1546 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 14 | Chow, Song Wei (1518) | Won 2-0 | +171563 |
| 3sealed | 3 | Yeung, Sun Kit Sunny (1686) | Lost 0-2 | -151548 |
| 4sealed | 70 | Iskandar, Nik (1487) | Draw 1-1 | -11547 |
| 5sealed | 77 | Eng, Wee Yang (1506) | Lost 1-2 | -191528 |
| 6sealed | 101 | Chong, Kok Weng (1501) | Won 2-1 | +171545 |
| 7sealed | 75 | Yii, Terh Kuen (1594) | Lost 0-2 | -171528 |
| top | average opponent: 1549record: 2-3-1 | new rating: 1528 | ||
| Pro Tour Prague 2006 (DIS draft) | starting rating: 1564 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 192 | Fatouros, Vasilis (1695) | Lost 0-2 | -161548 |
| 2draft | 160 | Stratford, Dion (1526) | Won 2-0 | +181566 |
| 3draft | 97 | Daoust, Guillaume (1663) | Won 2-0 | +201586 |
| 4draft | 165 | Lybaert, Marijn (1737) | Won 2-0 | +201606 |
| 5draft | 126 | van Leeuwen, Arjan (1678) | Lost 1-2 | -161590 |
| 6draft | 57 | Gesiot, Giovanni (1722) | Won 2-0 | +201610 |
| 7draft | 38 | Tsapko, Vasily (1668) | Lost 0-2 | -171593 |
| 8draft | 68 | Walamies, Tomi (1934) | Won 2-1 | +241617 |
| 9draft | 55 | Palijama, Maurice (1830) | Won 2-1 | +221639 |
| 10draft | 40 | Wigge, Mathias (1917) | Lost 1-2 | -131626 |
| 11draft | 33 | Davis, Jim (1685) | Lost 0-2 | -171609 |
| 12draft | 54 | Mueller, Andre (1651) | Lost 1-2 | -171592 |
| 13draft | 14 | Yokoi, Masaki (1743) | Lost 1-2 | -161576 |
| 14draft | 39 | Pinkster, Wilco (1591) | Lost 1-2 | -171559 |
| 15draft | 61 | Arias Garcia, Jacob (1863) | Lost 1-2 | -131546 |
| top | average opponent: 1727record: 6-9 | new rating: 1546 | ||
| Grand Prix Manila 2006 (GPT limited) | starting rating: 1493 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 11 | Kim, Cynic (1479) | Won 2-1 | +171510 |
| 5sealed | 7 | Cohun, Benson (1572) | Won 2-0 | +191529 |
| 6sealed | 3 | Ortega, Dominic (1580) | Lost 1-2 | -171512 |
| 7sealed | 7 | Mori, Katsuhiro (2110) | Won 2-0 | +281540 |
| 8draft | 14 | Serafica, Nick (1608) | Won 2-0 | +191559 |
| 9draft | 29 | Camangon, Lawrence (1574) | Won 2-1 | +191578 |
| 10draft | 13 | Gonzales, Felix (1615) | Won 2-0 | +181596 |
| 11draft | 19 | Hart, Jacob (1789) | Lost 0-2 | -141582 |
| 12draft | 19 | Gonzales, Felix (1579) | Draw 1-1 | 01582 |
| 13draft | 1 | Baeyens, Mark (1583) | Lost 0-2 | -181564 |
| top | average opponent: 1649record: 6-3-1 | new rating: 1564 | ||
| Grand Prix Beijing 2005 (extended) | starting rating: 1472 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 35 | Deng, Yihui (1500) | Draw 1-1 | 01472 |
| 2extended | 29 | Zheng, Wei (1500) | Won 1-0 | +191491 |
| 3extended | 18 | An, Youcheng (1518) | Won 2-0 | +181509 |
| 4extended | 39 | Han, Bing (1536) | Draw 1-1 | +11510 |
| 5extended | 45 | Feng, Xiao Wei (1518) | Lost 0-2 | -181492 |
| 6extended | 54 | Dong, Chao (1498) | Won 2-0 | +181510 |
| 7extended | 40 | Xue, Ke (1541) | Lost 0-1 | -171493 |
| top | average opponent: 1516record: 3-2-2 | new rating: 1493 | ||
| Grand Prix Lisbon 2005 (BOK limited) | starting rating: 1472 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 61 | Nascimento, Paulo (1493) | Lost 0-2 | -181454 |
| 2sealed | 220 | Polanco, Jerry (1482) | Lost 1-2 | -171437 |
| 3sealed | 231 | Oliveira, Vasco (1466) | Won 2-0 | +181455 |
| 4sealed | 225 | Nubla, Alberto (1447) | Won 2-0 | +181473 |
| 7sealed | 155 | Pinto, Carlos (1408) | Won 2-0 | +171490 |
| 8sealed | 130 | Afonso, Marco (1484) | Lost 0-2 | -181472 |
| top | average opponent: 1463record: 3-3 | new rating: 1472 | ||
| Grand Prix Sydney 2003 (MRD limited) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 1 | White, James T (1637) | Won 2-1 | +211505 |
| 5sealed | 5 | Xu, Shiwei (1517) | Lost 0-2 | -181487 |
| 6sealed | 20 | Tay, Andrew (1605) | Lost 0-2 | -161471 |
| 7sealed | 40 | Nguyen, Early (1485) | Won 2-0 | +191490 |
| 8sealed | 23 | Drew, Daniel (1504) | Lost 1-2 | -181472 |
| top | average opponent: 1550record: 2-3 | new rating: 1472 | ||
| Grand Prix Manchester 2000 (INV limited) | starting rating: 1540 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 45 | Earlam, Craig (1500) | Lost 0-2 | -191521 |
| 3sealed | 63 | Hodgson, Andrew (1502) | Lost 1-2 | -181503 |
| 4sealed | 91 | O'Rielly, Scott (1481) | Lost 0-2 | -191484 |
| top | average opponent: 1494record: 0-3 | new rating: 1484 | ||
| Grand Prix Sapporo 2000 (PCY limited) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 44 | Ikeda, Kei (1505) | Lost 1-2 | -181500 |
| 4sealed | 69 | Yoshino, Eiichi (1500) | Lost 0-2 | -181482 |
| 5sealed | 72 | Kamei, Kazuhiko (1502) | Won 2-1 | +181500 |
| 6sealed | 42 | Imai, Kimio (1517) | Won 2-0 | +181518 |
| 7sealed | 29 | Ikeda, Tsuyoshi (1665) | Won 2-0 | +211539 |
| 8rochester | 32 | Hosokawa, Takanobu (1552) | Won 2-0 | +181557 |
| 9rochester | 18 | Ishida, Itaru (1534) | Lost 0-2 | -181539 |
| 10rochester | 23 | Okabayashi, Masanao (1552) | Lost 1-2 | -181521 |
| 11rochester | 28 | Nowaki, Kazumi (1534) | Lost 0-2 | -181503 |
| 12rochester | 30 | Yamaguchi, Teruyuki (1534) | Won 2-1 | +191522 |
| 13rochester | 24 | Kris, Takashi (1503) | Won 2-1 | +181540 |
| top | average opponent: 1536record: 6-5 | new rating: 1540 | ||
| Grand Prix Kuala Lumpur 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 45 | Ng, Song Khim (1500) | Lost 0-0 | -181482 |
| 2extended | 81 | Lim, Joesinn (1482) | Won 0-0 | +181500 |
| 3extended | 105 | Chye, Yian Hsiang (1500) | Won 0-0 | +181518 |
| 4extended | 32 | Ng, Koon Ming (1518) | Draw 0-0 | 01518 |
| 5extended | 52 | Chin, Jian Wey (1518) | Lost 0-0 | -181500 |
| 6extended | 78 | Lam, Yeow Kit (1500) | Won 0-0 | +181518 |
| top | average opponent: 1503record: 3-2-1 | new rating: 1518 | ||