Ratings
MA Derek (Hong-Kong)
16 tournaments
124 results
Player ID: 6405
Rated 8 in Hong-Kong and 424 in Asia&Oceania&Africa and 511 in the World
Latest rating: 1901
WOF online rating: 1853, view profile on Vint.ee
124 results
Player ID: 6405
Rated 8 in Hong-Kong and 424 in Asia&Oceania&Africa and 511 in the World
Latest rating: 1901
WOF online rating: 1853, view profile on Vint.ee
Derek Ma started playing Othello tournaments in 2004 and participated in his first World Othello Championship in 2019 in Tokyo.
2025-08-03 → 2025-08-05: Canadian Othello Championship 2025(Canada)
| MA Derek | 22-42 | FU Jacky |
| SHIMOMURA Shiki | 40-24 | MA Derek |
| FU Jacky | 29-35 | MA Derek |
| MA Derek | 28-36 | SHIMOMURA Shiki |
2024-07-21: Canadian Othello Championship(Canada)
| AUSTIN Chan | 16-48 | MA Derek |
| MA Derek | 63-01 | RAY Chan |
| OSMOND Hui | 07-57 | MA Derek |
| MA Derek | 26-38 | FU Jacky |
| MA Derek | 23-41 | KRZYWONOS Tim |
| MA Derek | 53-11 | AUSTIN Chan |
| RAY Chan | 18-46 | MA Derek |
| MA Derek | 56-08 | OSMOND Hui |
| FU Jacky | 33-31 | MA Derek |
| KRZYWONOS Tim | 28-36 | MA Derek |
2023-08-26: 12 Guangzhou open(China)
| MA Derek | 38-26 | CHEN Xun |
| ZENG Yuming | 44-20 | MA Derek |
| MA Derek | 17-47 | SHI Peipei |
| MA Derek | 54-10 | WUTONG Ren |
| LI Chang | 46-18 | MA Derek |
| HUA Zhibin | 34-30 | MA Derek |
2021-10-03: Hong Kong open(Hong-Kong)
| TSOI Chun Yip | 49-15 | MA Derek |
| MA Derek | 59-05 | WONG Ka Ho |
| CHOW Ka Ming | 35-29 | MA Derek |
| LEUNG Kai Wan | 20-44 | MA Derek |
| MA Derek | 33-31 | YANG Kelvin |
| MA Derek | 34-30 | MADRONA Mario |
| FU Velma | 35-29 | MA Derek |
2019-10-09 → 2019-10-11: WOC 2019(World)
2019-07-13: Hong Kong WOC Qualify Tournament(Hong-Kong)
2019-05-26: 2019 Guangzhou Trials(China)
2019-04-14: Hong Kong Othello Open 2019(Hong-Kong)
| BERG Matthias | 33-31 | MA Derek |
| MA Derek | 29-35 | VINAR Matt |
| SHIFMAN Shani | 14-50 | MA Derek |
| MA Derek | 25-39 | SHIFMAN Ilya |
| SHIFMAN Leonid | 14-50 | MA Derek |
| BATTULGA Namkhai | 27-37 | MA Derek |
| MA Derek | 19-45 | LEE Chun Wai |
| MA Derek | 33-31 | AAGAARD-HANSEN Jens |
| MILANKOV Samuel | 31-33 | MA Derek |
| MA Derek | 23-41 | KWEK Jin Xiang |
| KIM Taeyeon | 24-40 | MA Derek |
| MA Derek | 34-30 | HEMPIJIT Woramet |
| DE GRAAF Jan C. | 40-24 | MA Derek |
| HON Otto | 32-32 | MA Derek |
| MA Derek | 15-49 | LEE Chun Wai |
| MA Derek | 43-21 | WEN Zeshun |
| DONG Zhen | 44-20 | MA Derek |
| MA Derek | 37-27 | YANG Kelvin |
| FU Velma | 31-33 | MA Derek |
| CHOW Ka Ming | 44-20 | MA Derek |
| MA Derek | 21-43 | LAM Maverick |
| MA Derek | 40-24 | IP Wai Sing |
| LEE Chun Kui | 30-34 | MA Derek |
| MA Derek | 26-38 | MADRONA Mario |
| WONG Chi Wah | 28-36 | MA Derek |
| MA Derek | 31-33 | LI Chun Wan |
| CHEN Xu | 23-41 | MA Derek |
| MA Derek | 35-29 | DONG Zhen |
| ZHAO Jing | 28-36 | MA Derek |
| MA Derek | 17-47 | KANG Le |
| LIN Jiayi | 11-53 | MA Derek |
| MA Derek | 30-34 | YANG Kelvin |
| CHEN Kai | 58-06 | MA Derek |
| DU Zhouzi | 41-23 | MA Derek |
| LEE Shui Man | 21-43 | MA Derek |
| MA Derek | 31-33 | LAM Maverick |
| FU Velma | 38-26 | MA Derek |
| MA Derek | 51-13 | CHAN Pok Hei |
| CHOW Ka Ming | 41-23 | MA Derek |
| MA Derek | 28-36 | CHUNG Lau Kin |
| HUI Chun Kit | 47-17 | MA Derek |
2018-11-25: (Broadway cup) - 11 Guangzhou Open(China)
2018-06-02: 2018 Hong Kong Othello Championships(Hong-Kong)
| MA Derek | 30-34 | GUAN Jinchao |
| DONG Zhen | 35-29 | MA Derek |
| MA Derek | 36-28 | HUA Zhibin |
| MA Derek | 33-31 | LI Chang |
| YANG Pengcheng | 33-31 | MA Derek |
| DONG Zhen | 42-22 | MA Derek |
| MA Derek | 39-25 | HON Otto |
| MA Derek | 50-14 | CHAN Cheuk Wing |
| MAK Wai Tung | 55-09 | MA Derek |
| MA Derek | 25-39 | NG Ka Fu |
| PANG Hai Hoi | 02-62 | MA Derek |
| MA Derek | 41-23 | CHU Chee Chin |
2017-07-16: Hong Kong Othello Championship 2017(Hong-Kong)
| MA Derek | 54-10 | WONG Ka Ho |
| MAK Wai Tung | 27-37 | MA Derek |
| TSOI Chun Yip | 51-13 | MA Derek |
| MA Derek | 33-31 | YANG Kelvin |
| LI Chun Wan | 16-48 | MA Derek |
| MA Derek | 33-31 | DONG Zhen |
| YUNG Yuk Wa | 13-51 | MA Derek |
| DONG Zhen | 32-32 | MA Derek |
| MA Derek | 23-41 | TSOI Chun Yip |
2016-06-19: 2016 Hong Kong Othello Championships(Hong-Kong)
| MA Derek | 06-58 | LAM Maverick |
| LUM Lok Pui Vincent | 57-07 | MA Derek |
| MA Derek | 38-26 | FANG Randy |
| LI Chun Wan | 51-13 | MA Derek |
| WEN Zeshun | 31-33 | MA Derek |
| MA Derek | 06-58 | YANG Kelvin |
| KONG Peter | 22-42 | MA Derek |
2015-09-13: 2015 Hong Kong Othello Championships(Hong-Kong)
| MA Derek | 16-48 | FANG Randy |
| YUNG Yuk Wa | 22-42 | MA Derek |
| MA Derek | 41-23 | HUI Chun Kit |
| CHAN Lik Fung | 25-39 | MA Derek |
| TSOI Chun Yip | 36-28 | MA Derek |
| MA Derek | 25-39 | LI Chun Wan |
| MA Derek | 37-27 | WONG Chi Wah |
2005-08-27: 2005 Canadian Championship(Canada)
2005-08-13 → 2005-08-14: US National Championship 2005(USA)
| MA Derek | won against | HAMELIN Paul |
| WILLIAMS Eddie | won against | MA Derek |
| MA Derek | won against | DU PLESSIS Jean-Roch |
| MA Derek | lost to | FU Jacky |
| CORIO Marc | lost to | MA Derek |
| MA Derek | won against | FU Jacky |
| FU Jacky | won against | MA Derek |
| MA Derek | lost to | FU Jacky |
| MA Derek | won against | DIAMOND Judith |
| WILSON Timothy | won against | MA Derek |
| YIU Edmund | won against | MA Derek |
| FANG Randy | lost to | MA Derek |
| CHITRA Yohanes | won against | MA Derek |
| ROSE Brian | won against | MA Derek |
| KANEDA Shigeru | won against | MA Derek |
2004-08-22: 2004 Canadian Championship(Canada)
| MA Derek | lost to | CORIO Marc |
| KRZYWONOS Tim | won against | MA Derek |
| HORNER Rusty | 32-32 | MA Derek |
| SY Steven | 32-32 | MA Derek |
| MA Derek | lost to | FU Jacky |
| CHOW Kase | won against | MA Derek |