Ratings
CHEN Kai (China)
2021-04-17: pinggu China open(China)
| CHEN Kai | 27-37 | SHI Peipei |
| TIAN Di | 12-52 | CHEN Kai |
| CHEN Kai | 59-05 | LIU Haiqing |
| CHEN Nuo | 12-52 | CHEN Kai |
| CHEN Kai | 64-00 | CHEN Yanming |
| HUA Tao | 07-57 | CHEN Kai |
| CHEN Xun | 35-29 | CHEN Kai |
2019-11-18: 7 Beijing Open(China)
2019-05-26: 2019 Guangzhou Trials(China)
| WANG Wei | 21-43 | CHEN Kai |
| CHEN Kai | 32-32 | LI Lin |
| HU Ying Chong | 38-26 | CHEN Kai |
| CHEN Kai | 53-11 | WANG Xinyuan |
| YU Tao | 22-42 | CHEN Kai |
| CHEN Kai | 27-37 | CHEN Xun |
| SONG Yan | 28-36 | CHEN Kai |
| CHEN Kai | 33-31 | HU Ying Chong |
| CHEN Xun | 34-30 | CHEN Kai |
| CHEN Kai | 39-25 | LIN Lanbo |
| LAM Maverick | 50-14 | CHEN Kai |
| CHEN Kai | 20-44 | CHEN Xun |
| XIAO Xiaohui | 09-55 | CHEN Kai |
| CHEN Kai | 35-29 | LI Chun Wan |
| SHI Peipei | 30-34 | CHEN Kai |
| CHEN Kai | 58-06 | MA Derek |
| KANG Le | 44-20 | CHEN Kai |
2018-06-02: 2018 Hong Kong Othello Championships(Hong-Kong)
| CHENG Chi Kit | 00-64 | CHEN Kai |
| CHEN Kai | 32-32 | LEE Simon |
| WONG Chi Wah | 32-32 | CHEN Kai |
| CHEN Kai | 61-03 | YU Charlie Hp |
| CHEN Kai | 33-31 | YANG Kelvin |
| LEE Choon Foong | 25-39 | CHEN Kai |
| KOH Bo Chao Alex | 33-31 | CHEN Kai |
2017-11-19: (Broadway cup) - 10 Guangzhou Open(China)
| GUO Guangcheng | 18-46 | CHEN Kai |
| CHEN Kai | 30-34 | DONG Zhen |
| LI Chang | 28-36 | CHEN Kai |
| CHEN Kai | 40-24 | HE Siming |
| LAM Maverick | 29-35 | CHEN Kai |
| FENG Ling | 49-15 | CHEN Kai |
| CHEN Kai | 23-41 | ZENG Yanbo |
2013-07-14: 8th Guangzhou Othello Open(China)
2013-01-24 → 2013-01-27: Othello World Cup(World)
| CHEN Kai | 34-30 | TSOI Chun Yip |
| DONG Zhen | 20-44 | CHEN Kai |
| CHEN Kai | 41-21 | ZHAO Jing |
| SONG Yan | 26-38 | CHEN Kai |
| CHEN Kai | 40-24 | LAM Maverick |
| FANG Yuqi | 28-36 | CHEN Kai |
| CHEN Kai | 45-19 | LIN Lanbo |
| LI Zhonghong | 24-40 | CHEN Kai |
| GUAN Jinchao | 30-34 | CHEN Kai |
| SONG Yan | 43-21 | CHEN Kai |
| TAKANASHI Yusuke | won against | CHEN Kai |
| TAMENORI Hideshi | won against | CHEN Kai |
| ESAKI Yuta | won against | CHEN Kai |
| KORTENDIJK Albert | won against | CHEN Kai |
| BECK David | won against | CHEN Kai |
| ROSE Brian | won against | CHEN Kai |
| WILLIAM Joanna | won against | CHEN Kai |
| CHEN Kai | won against | YAMANAKA Mami |
| CHEN Kai | won against | CUPIAL Milosz |
| CHEN Kai | won against | MORENO Borja |
| CHEN Kai | won against | NAKAJIMA Tetsuya |
| CHEN Kai | won against | FRONMARK Marcus |
| CHEN Kai | won against | HAYASAKA Toshie |
2008-08-03: 5th Guangzhou Open(China)
| CHEN Kai | won against | DONG Zhen |
| CHEN Kai | won against | CHEN Ruisheng |
| CHEN Kai | 32-32 | YU Jinlei |
| CHEN Kai | won against | LIN Lanbo |
| SONG Yan | lost to | CHEN Kai |
| LANG Yongzhi | won against | CHEN Kai |
| LI Chun Wan | won against | CHEN Kai |
2006-10-06 → 2006-10-08: WOC 2006 (Mito)(World)
2006-07-15 → 2006-07-16: 1st Beijing Open(China)
2006-05-21: Guangzhou Open(China)
| CHEN Kai | 54-10 | HOBO Roel |
| BERG Matthias | 23-41 | CHEN Kai |
| CHEN Kai | 25-39 | FRANSSON JOHNSSON Joel |
| HUBBARD Geoff | 26-38 | CHEN Kai |
| BERGLUND Caroline | 18-46 | CHEN Kai |
| CHEN Kai | 31-33 | BORASSI Michele |
| SOUDA Megumi | 27-37 | CHEN Kai |
| CHEN Kai | 26-38 | SHEN Stan |
| KASHIWABARA Takuji | 25-39 | CHEN Kai |
| CHEN Kai | 37-27 | HANDEL Michael |
| SEELEY Ben | 30-34 | CHEN Kai |
| CHEN Kai | 18-46 | TAMENORI Hideshi |
| VAN DEN BIGGELAAR Nicky | 28-36 | CHEN Kai |
| FENG Ling | won against | CHEN Kai |
| CHEN Kai | won against | SONG Ying |
| CHEN Kai | won against | LIU Peiwen |
| CHEN Kai | won against | SHUI Yibin |
| CHEN Kai | won against | MAK Wai Tung |
| JIANG Bofeng | won against | CHEN Kai |
| CHEN Kai | won against | LI Nan |
| CHEN Kai | won against | JIANG Bofeng |
| CHEN Kai | won against | SHUI Yibin |
| CHEN Kai | 32-32 | WONG Chi Wah |
| CHEN Kai | won against | TSOI Chun Yip |
| SONG Yan | won against | CHEN Kai |
| FU Velma | won against | CHEN Kai |
| CHEN Kai | won against | ZHANG Xiaofeng |
| CHEN Kai | won against | CHEN Ruisheng |
2005-05-02: 3rd Guangzhou Open(China)
| CHEN Kai | won against | TOU Shi |
| CHEN Kai | lost to | GONG Jingshi |
| CHEN Kai | won against | FU Velma |
| CHEN Kai | 32-32 | MAK Wai Tung |
| CHEN Kai | won against | LU Huanqi |
| CHEN Kai | won against | TSOI Chun Yip |
| CHEN Kai | won against | LI Peijie |
| GONG Jingshi | lost to | CHEN Kai |
| CHEN Kai | lost to | FENG Ling |
2004-05-02: 2nd Guangzhou Open(China)
| CHEN Kai | won against | LO Gic |
| CHEN Kai | won against | YU Bai Fan |
| CHEN Kai | won against | WONG Chi Wah |
| CHEN Kai | won against | TSOI Chun Yip |
| LI Chun Wan | won against | CHEN Kai |
| CHEN Kai | won against | LI Peijie |
| MAK Wai Tung | won against | CHEN Kai |
| LI Chun Wan | lost to | CHEN Kai |