Pek, Cheng Wee
Current rating: 1519
Record: 38-37-1
Grand Prix Hong Kong 2004Grand Prix Kuala Lumpur 2004Grand Prix Singapore 2005Grand Prix Kuala Lumpur 2006Grand Prix Singapore 2009Grand Prix Singapore 2011Grand Prix Kuala Lumpur 2012Grand Prix Singapore 2013Grand Prix Bangkok 2013Grand Prix Hong Kong 2013Grand Prix Kuala Lumpur 2014Grand Prix Taipei 2014Grand Prix Singapore 2015
| Grand Prix Singapore 2015 (modern) | starting rating: 1496 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 208 | Nasir Sawl, Mohd (1518) | Won 2-0 | +181514 |
| 3modern | 144 | Tay, Kevin Hao Wei (1523) | Won 2-0 | +181532 |
| 4modern | 24 | Lee, Joon Soo (1755) | Lost 1-2 | -141518 |
| 5modern | 205 | Lim, Ming'en Samuel (1535) | Won 2-1 | +181536 |
| 6modern | 104 | Leo, Wei Keong (1570) | Won 2-1 | +191555 |
| 7modern | 40 | Kar Fatt, Chan (1557) | Lost 0-2 | -181537 |
| 8modern | 132 | Tay, Daryl (1583) | Lost 1-2 | -171520 |
| 9modern | 122 | Sim, Kaiser (1444) | Draw 1-1 | -11519 |
| top | average opponent: 1561record: 4-3-1 | new rating: 1519 | ||
| Grand Prix Taipei 2014 (M15 limited) | starting rating: 1513 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 307 | Shair, Chung Ngai (1526) | Lost 0-2 | -171496 |
| top | record: 0-1 | new rating: 1496 | ||
| Grand Prix Kuala Lumpur 2014 (THS limited) | starting rating: 1571 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 183 | Rayson, Shawn (1629) | Lost 1-2 | -171554 |
| 3sealed | 223 | Chmielewski, Nicholas (1475) | Lost 1-2 | -201534 |
| 4sealed | 345 | Gun, Wai Kien (1374) | Lost 0-2 | -211513 |
| top | average opponent: 1493record: 0-3 | new rating: 1513 | ||
| Grand Prix Hong Kong 2013 (THS limited) | starting rating: 1590 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 174 | Lyu, Li Ciang (1500) | Lost 0-2 | -191571 |
| top | record: 0-1 | new rating: 1571 | ||
| Grand Prix Bangkok 2013 (DGM limited) | starting rating: 1581 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 20 | Tan, Joanne Mei Ling (1536) | Won 2-0 | +171598 |
| 4sealed | 1 | Zheng, Dongdong (1500) | Lost 0-2 | -201578 |
| 5sealed | 144 | Siriphopunkul, Veerani (1536) | Won 2-0 | +171595 |
| 6sealed | 90 | Holtin, Karsten (1571) | Lost 1-2 | -181577 |
| 7sealed | 97 | Singtoard, Nopphadon (1539) | Lost 1-2 | -191558 |
| 8sealed | 167 | Balean, Allen Vincent (1455) | Won 2-0 | +161574 |
| 9sealed | 138 | Lapnimitchai, Arikorn (1461) | Won 2-1 | +161590 |
| top | average opponent: 1514record: 4-3 | new rating: 1590 | ||
| Grand Prix Singapore 2013 (RTR limited) | starting rating: 1574 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 182 | Liu, Zhuoren (1500) | Won 2-0 | +171591 |
| 3sealed | 91 | Zhu, Bin (1483) | Won 2-0 | +161607 |
| 4sealed | 7 | Sciesinski, Marcin (1718) | Won 2-0 | +201627 |
| 5sealed | 26 | Pranoto, Andreas (1669) | Lost 0-2 | -171610 |
| 6sealed | 42 | Nakamura, Shuhei (2044) | Lost 1-2 | -111599 |
| 7sealed | 93 | Lee, Ju-Min (1636) | Lost 0-2 | -171582 |
| 8sealed | 139 | Graham, Aaron [AUS] (1517) | Lost 0-2 | -191563 |
| 9sealed | 183 | Pang, Edwin Jian Xiang (1550) | Won 2-1 | +181581 |
| top | average opponent: 1640record: 4-4 | new rating: 1581 | ||
| Grand Prix Kuala Lumpur 2012 (DKA standard) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 129 | Suhaimi, Mohd Syazwan (1500) | Won 2-1 | +181539 |
| 2standard | 73 | Barretto, Anthony Glen (1525) | Lost 0-2 | -191520 |
| 3standard | 158 | Loh, Chuan Han (1641) | Won 2-1 | +211541 |
| 4standard | 137 | Trevor, Nathaniel (1482) | Won 2-1 | +171558 |
| 5standard | 108 | Denney, Robert J (1553) | Lost 0-2 | -191539 |
| 6standard | 164 | Ong, Desmond Wei Liang (1593) | Won 2-1 | +191558 |
| 7standard | 100 | Soh, Kee Kiat (1527) | Won 2-0 | +181576 |
| 8standard | 48 | Santoso, Hari (1584) | Won 2-0 | +181594 |
| 9standard | 43 | Badaruddin, Arif (1510) | Lost 0-2 | -201574 |
| top | average opponent: 1546record: 6-3 | new rating: 1574 | ||
| Grand Prix Singapore 2011 (NPH standard) | starting rating: 1565 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 31 | Eng, Tiang Wah (1481) | Won 2-0 | +171582 |
| 2standard | 9 | Tonianse, Andranik (1466) | Lost 0-2 | -201562 |
| 3standard | 100 | Li, Jun Yang (1499) | Lost 1-2 | -191543 |
| 4standard | 241 | Madzlan, Khairul Anwardin (1468) | Won 2-0 | +161559 |
| 5standard | 204 | Yap, Eugene (1501) | Lost 0-2 | -191540 |
| 6standard | 218 | Ngosiok, Kennard L (1480) | Lost 0-2 | -191521 |
| top | average opponent: 1483record: 2-4 | new rating: 1521 | ||
| Grand Prix Singapore 2009 (extended) | starting rating: 1609 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 72 | Shi, Xiang (1505) | Lost 0-2 | -201589 |
| 2extended | 95 | Lim, Wei Teng (1481) | Lost 1-2 | -201569 |
| 3extended | 127 | Abdul Rashid, Samsol (1465) | Won 2-0 | +161585 |
| 4extended | 157 | Tay, Edward (1482) | Lost 0-2 | -201565 |
| top | average opponent: 1484record: 1-3 | new rating: 1565 | ||
| Grand Prix Kuala Lumpur 2006 (DIS limited) | starting rating: 1616 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 15 | Loh, Boon Ping (1517) | Lost 1-2 | -201596 |
| 3sealed | 101 | Gutierrez, Ian Mark (1481) | Lost 1-2 | -201576 |
| 4sealed | 117 | Joo, Yong Chin (1491) | Won 2-0 | +161592 |
| 5sealed | 89 | Vasu, Vivian (1581) | Won 2-1 | +181610 |
| 6sealed | 60 | Leong, Wai Seng (1520) | Won 2-0 | +161626 |
| 7sealed | 42 | Lim, Ernest (1648) | Lost 0-2 | -171609 |
| top | average opponent: 1540record: 3-3 | new rating: 1609 | ||
| Grand Prix Singapore 2005 (extended) | starting rating: 1615 | |||
| round | table | opponent (rating) | result | Δrating |
| 3extended | 49 | Woo, Chung Leong Jason (1536) | Won 2-0 | +171632 |
| 4extended | 18 | Kim, Min-Soo (1555) | Won 2-1 | +171649 |
| 5extended | 7 | Tan, Steve Wei Quan (1643) | Won 2-1 | +171666 |
| 6extended | 8 | Kuo, Tzu-Ching (1630) | Lost 1-2 | -181648 |
| 7extended | 24 | Law, Albertus Hui Chin (1808) | Lost 1-2 | -151633 |
| 8extended | 51 | Ong, Kok Seng (1691) | Lost 0-2 | -171616 |
| top | average opponent: 1644record: 3-3 | new rating: 1616 | ||
| Grand Prix Kuala Lumpur 2004 (5DN standard) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 5 | Fong, Clement Yu Mun (1462) | Won 2-0 | +171541 |
| 5standard | 10 | Gem, Tommy San Cher M (1563) | Won 2-1 | +191560 |
| 6standard | 6 | Chan, Bernard (1709) | Won 2-0 | +201580 |
| 7standard | 4 | Chua, Chang (1828) | Won 2-1 | +231603 |
| 8standard | 1 | Teo, Yi Chiang (1634) | Won 2-1 | +181621 |
| 9standard | 1 | Yuen, Kwan Ching (1621) | Lost 0-2 | -181603 |
| 10standard | 3 | Lee, Sang-Ryeol (1709) | Won 2-0 | +201623 |
| 11standard | 2 | Morita, Masahiko (2104) | Lost 1-2 | -101613 |
| 12standard | 3 | Soh, Joe (1699) | Won 2-1 | +201633 |
| 13standard | 3 | Kuan, Khang Jong (1652) | ID | 01633 |
| Qstandard | Gao, Zhen Xing (1663) | Lost 0-2 | -181615 | |
| top | average opponent: 1695record: 7-3-1 | new rating: 1615 | ||
| Grand Prix Hong Kong 2004 (DST limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 3 | Park, Bae-gun (1518) | Won 2-0 | +181518 |
| 3sealed | 35 | Su, Xu (1558) | Lost 0-2 | -171501 |
| 4sealed | 67 | Song, Huachao (1557) | Won 2-0 | +191520 |
| 5sealed | 28 | Tam, Wing Lok (1538) | Won 0-0 | +181538 |
| 6sealed | 27 | Hwung, Youn Ming (1592) | Lost 1-2 | -171521 |
| 7sealed | 56 | Nobushita, Jun (1569) | Won 2-1 | +191540 |
| 8sealed | 35 | Tang, Kai Cheong (1652) | Lost 1-2 | -161524 |
| top | average opponent: 1569record: 4-3 | new rating: 1524 | ||