Chow, Clarence
Current rating: 1521
Record: 40-45-4 (GP) / 1-3 (professional)
Grand Prix Hong Kong 2001Grand Prix Taipei 2002Grand Prix Hong Kong 2004Grand Prix Taipei 2005Pro Tour Kuala Lumpur 2008Grand Prix Taipei 2008Grand Prix Shanghai 2011Grand Prix Taipei 2012Grand Prix Singapore 2013Grand Prix Hong Kong 2013Grand Prix Taipei 2014Grand Prix Taipei 2016Grand Prix Taipei 2019
| Grand Prix Taipei 2019 (WAR standard) | starting rating: 1495 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 30 | Fan Chiang, Chun-Yao (1518) | Won 2-0 | +191514 |
| 3standard | 18 | Boku, Takashi (1785) | Lost 0-2 | -131501 |
| 4standard | 338 | Sakaino, Yuta (1579) | Lost 1-2 | -171484 |
| 5standard | 393 | Chang, Chi Hung (1503) | Won 2-1 | +181502 |
| 6standard | 236 | Ota, Sho (1617) | Lost 0-2 | -161486 |
| 7standard | 256 | Liu, Shiwen (1473) | Won 2-0 | +181504 |
| 8standard | 213 | Furuichi, Takenori (1417) | Won 2-1 | +171521 |
| top | average opponent: 1556record: 4-3 | new rating: 1521 | ||
| Grand Prix Taipei 2016 (SOI standard) | starting rating: 1477 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 204 | Goshima, Akito (1792) | Lost 0-2 | -121465 |
| 4standard | 158 | Kitajima, Ryoko (1491) | Won 2-0 | +181483 |
| 5standard | 97 | Murae, Ryuji (1687) | Lost 1-2 | -141469 |
| 6standard | 198 | Sintoni, Filippo (1553) | Won 2-1 | +201489 |
| 7standard | 105 | Kihara, Ryou (1762) | Won 2-1 | +221511 |
| 8standard | 1004 | Xiao, Diyu (1566) | Won 2-1 | +191530 |
| 9standard | 56 | Wu, Mingshuai (1641) | Won 2-0 | +201550 |
| 10standard | 22 | Sun, Bo (1963) | Lost 0-2 | -101540 |
| 11standard | 82 | Kong, Chong Teng (1692) | Lost 0-2 | -161524 |
| 12standard | 1005 | Lee, Rick Hup Beng (1703) | Won 2-1 | +221546 |
| 13standard | 63 | Boku, Takashi (1671) | Lost 1-2 | -161530 |
| 14standard | 89 | Li, Gang Ying (1610) | Lost 1-2 | -171513 |
| 15standard | 82 | Mimido, Ryuji (1521) | Lost 0-2 | -181495 |
| top | average opponent: 1666record: 6-7 | new rating: 1495 | ||
| Grand Prix Taipei 2014 (M15 limited) | starting rating: 1509 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 2 | Wang, Chong Lun (1540) | Won 2-1 | +191528 |
| 4sealed | 21 | Chong, Edwin (1467) | Lost 1-2 | -191509 |
| 5sealed | 174 | Sugaya, Hironobu (1717) | Lost 1-2 | -141495 |
| 6sealed | 179 | Chung, Syndy Sum (1468) | Lost 1-2 | -191476 |
| 7sealed | 208 | Lin, Hong Wen (1490) | Won 2-0 | +181494 |
| 8sealed | 164 | Lin, Shih Feng (1547) | Lost 1-2 | -171477 |
| top | average opponent: 1538record: 2-4 | new rating: 1477 | ||
| Grand Prix Hong Kong 2013 (THS limited) | starting rating: 1474 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 161 | Budisanjaya, Albert (1531) | Lost 0-2 | -171457 |
| 4sealed | 159 | Yan, Kung L (1674) | Won 2-0 | +221479 |
| 5sealed | 157 | Wang, Ming Chih (1640) | Won 2-1 | +201499 |
| 6sealed | 102 | Li, Bo 4944 (1796) | Lost 0-2 | -121487 |
| 7sealed | 109 | Hai, Xia (1520) | Won 2-0 | +181505 |
| 8sealed | 100 | Xu, Ming (1685) | Won 2-1 | +221527 |
| 9sealed | 78 | Feng, Jia (1574) | Lost 0-2 | -181509 |
| top | average opponent: 1631record: 4-3 | new rating: 1509 | ||
| Grand Prix Singapore 2013 (RTR limited) | starting rating: 1389 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 87 | De Pedro, Edgar Leroy (1502) | Won 2-0 | +201409 |
| 5sealed | 4 | Tan, David (1485) | Won 2-0 | +191428 |
| 6sealed | 1 | Yang, Yu Min (1514) | Won 2-0 | +201448 |
| 7sealed | 9 | Ch'ng, Jonathan (1665) | Won 2-0 | +221470 |
| 8sealed | 6 | Imai, Ayato (1786) | Lost 1-2 | -131457 |
| 9sealed | 21 | Koh, Charles (1626) | Won 2-0 | +211478 |
| 10draft | 45 | Manansala, Bayani (1817) | Won 2-1 | +241502 |
| 11draft | 19 | Arai, Kenichiro (1673) | Won 2-0 | +221524 |
| 12draft | 3 | Cantillana, Andrew (1902) | Lost 0-2 | -121512 |
| 13draft | 7 | Gao, Zhen Xing (1789) | Lost 0-2 | -131499 |
| 14draft | 6 | Kuo, Tzu-Ching (1847) | Lost 0-2 | -121487 |
| 15draft | 28 | Gu, Fengwen (1736) | Lost 0-2 | -131474 |
| top | average opponent: 1695record: 7-5 | new rating: 1474 | ||
| Grand Prix Taipei 2012 (RTR limited) | starting rating: 1440 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 46 | Watanabe, Kenji (1432) | Lost 1-2 | -191421 |
| 4sealed | 140 | Xu, Shen Haw (1519) | Lost 0-2 | -161405 |
| 5sealed | 176 | Yang, Chiu Yi (1500) | Lost 0-2 | -161389 |
| top | average opponent: 1484record: 0-3 | new rating: 1389 | ||
| Grand Prix Shanghai 2011 (M12 limited) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 21 | Dumaret, Vincent (1500) | Lost 1-2 | -181471 |
| 5sealed | 81 | jin, zilong (1519) | Lost 0-2 | -171454 |
| 6sealed | 160 | Bi, Mingjie (1517) | Lost 0-2 | -171437 |
| 7sealed | 160 | Lee, Ki PPeum (1512) | Won 2-1 | +191456 |
| 8sealed | 103 | Luo, Bofan (1519) | Lost 0-2 | -161440 |
| top | average opponent: 1513record: 1-4 | new rating: 1440 | ||
| Grand Prix Taipei 2008 (ALA limited) | starting rating: 1526 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 25 | Nazim, Mohamad (1517) | Lost 1-2 | -181508 |
| 3sealed | 63 | Tu, Wei Ming David (1475) | Lost 1-2 | -191489 |
| 4sealed | 120 | Lu, Chien Ling (1450) | Won 2-1 | +181507 |
| 5sealed | 79 | Mokhtaruddin, Mohd Hafiz (1601) | Lost 0-2 | -171490 |
| 6sealed | 109 | Lin, Shih To (1483) | Won 2-1 | +181508 |
| 7sealed | 90 | Yu, Chin Da (1436) | Lost 1-2 | -191489 |
| top | average opponent: 1494record: 2-4 | new rating: 1489 | ||
| Pro Tour Kuala Lumpur 2008 (MOR draft) | starting rating: 1551 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 86 | Preyer, Thomas (1778) | Lost 0-2 | -141537 |
| 2draft | 111 | Ortega, Dominic (1597) | Lost 1-2 | -171520 |
| 3draft | 63 | Siagian, Yohannes (1472) | Won 0-0 | +171537 |
| 4draft | 165 | Wright, Stuart (1938) | Lost 0-2 | -111526 |
| top | average opponent: 1696record: 1-3 | new rating: 1526 | ||
| Grand Prix Taipei 2005 (Kamigawa block) | starting rating: 1554 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 14 | Gan, Chun Fung (1477) | Lost 1-2 | -191535 |
| 3block | 50 | Gheg, E. Ming (1502) | Lost 0-2 | -191516 |
| 4block | 117 | Gau, Max (1497) | Won 2-0 | +181534 |
| 5block | 76 | Cheung, Matthew (1498) | Won 2-0 | +171551 |
| 6block | 54 | Ng, Soon Lye (1552) | Won 2-0 | +181569 |
| 7block | 54 | Tsai, Po Cyuan (1536) | Draw 1-1 | 01569 |
| 8block | 50 | Hsu, David (1571) | Lost 1-2 | -181551 |
| top | average opponent: 1519record: 3-3-1 | new rating: 1551 | ||
| Grand Prix Hong Kong 2004 (DST limited) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 32 | Mai, Alan (1527) | Won 2-1 | +181538 |
| 5sealed | 7 | Tan, Ruo Ji Steven (1574) | Lost 0-0 | -171521 |
| 6sealed | 18 | Lee, Shi Tian (1539) | Lost 1-2 | -181503 |
| 7sealed | 62 | Jim, Thomas (1666) | Draw 1-1 | +31506 |
| 8sealed | 46 | Mayuzumi, Shinichi (1548) | Won 2-1 | +191525 |
| 9draft | 21 | Sun, Bo (1551) | Draw 1-1 | +11526 |
| 10draft | 7 | Chun, Bo Ruad (1590) | Lost 0-2 | -171509 |
| 11draft | 31 | Feleo, Anthony (1531) | Won 2-1 | +181527 |
| 12draft | 10 | Fujita, Tsuyoshi (1863) | Won 2-0 | +241551 |
| 13draft | 21 | Jiang, Zhaoming (1511) | Won 2-0 | +171568 |
| 14draft | 21 | Thoren, Jens (1794) | Lost 0-2 | -141554 |
| top | average opponent: 1609record: 5-4-2 | new rating: 1554 | ||
| Grand Prix Taipei 2002 (JUD standard) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 45 | Cheng, Tung-Yi (1500) | Draw 1-1 | +11482 |
| 2standard | 47 | Su, Jun Chen (1500) | Lost 1-2 | -181464 |
| 3standard | 72 | Chen, Yen Yo (1482) | Won 2-0 | +181482 |
| 4standard | 70 | Young, Paul (1499) | Won 2-0 | +191501 |
| 5standard | 48 | Okada, Kou (1605) | Won 2-0 | +201521 |
| 6standard | 31 | Shu, Peter (1483) | Won 2-0 | +171538 |
| 7standard | 19 | Weng, Chen Yu (1562) | Lost 0-2 | -181520 |
| top | average opponent: 1519record: 4-2-1 | new rating: 1520 | ||
| Grand Prix Hong Kong 2001 (ODY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 16 | Tang, Ronald (1500) | Won 2-1 | +181518 |
| 2sealed | 21 | Long Kwen, Huin (1500) | Lost 0-2 | -181500 |
| 3sealed | 57 | Lee, Yin Cheung (1483) | Won 2-0 | +171517 |
| 4sealed | 58 | Lee, Fu Hou (1519) | Lost 1-2 | -181499 |
| 5sealed | 55 | Kin, Li Siu (1500) | Lost 0-2 | -181481 |
| top | average opponent: 1500record: 2-3 | new rating: 1481 | ||