Guo Haisen (郭海森)
Place: Hefei, China
Rating: 2237.10, Std: 198.70, Rank: 394
First game: 2008-12-14, Last game: 2020-10-18
Top rating: 2237.10 (2020-10-18)
Games: 50, Wins: 21, Draws: 3, Losses: 26
Gy1: 0, Gy2: 0, Gy5: 9
| Mind Master Games 2020 | ||||
|---|---|---|---|---|
| Date | 2020-10-18 | Rating | 2237.10 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | Weng Yuan | 1921.47 |
| 2 | White | Win | Wang Yilin | 2118.22 |
| 3 | Black | Loss | Wang Yuxi | 2292.15 |
| 4 | Black | Loss | Wan Junhong | 2509.46 |
| 5 | White | Win | Yuan Pui Peng | 1930.71 |
| 6 | Black | Loss | Wu Zhiqin | 2513.38 |
| 7 | White | Win | Wu Xinyue | 2079.43 |
| 8 | Black | Win | Zhang Zhiyuan | 2266.73 |
| 9 | White | Loss | Yang Tingyu | 2543.39 |
| “SOPAI Cup” 1st World Renju Open | ||||
| Date | 2018-11-25 | Rating | 2195.39 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Liu Yang | 2607.75 |
| 2 | White | Loss | Ling Shijie | 2398.34 |
| 3 | White | Loss | Yu Yajun | 2319.07 |
| 4 | White | Loss | Huo Jiuxu | 2319.35 |
| 5 | White | Win | Song Yu | 1973.97 |
| 6 | White | Win | Tian Hanfa | 1881.04 |
| 7 | Black | Loss | Okabe Hiroshi | 2678.57 |
| 8 | White | Win | Guo Song | 2063.01 |
| 9 | White | Win | Tao Junji | 2246.19 |
| Chinese National Open 2014, Men Group | ||||
| Date | 2014-09-08 | Rating | 2066.64 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Mei Fan | 2581.85 |
| 2 | White | Win | Wang Di | 2029.70 |
| 3 | Black | Loss | Wang Qingqing | 2675.54 |
| 4 | Black | Draw | Zha Shicheng | 1997.66 |
| 5 | White | Loss | Chen Kaidi | 2008.25 |
| 6 | Black | Win | Zhou Jiahao | 1608.42 |
| 7 | White | Win | Wang Junbo | 2083.59 |
| Chinese National Open 2012, Men Group | ||||
| Date | 2012-06-24 | Rating | 1974.24 | |
| Round | Color | Result | Opponent | |
| 1 | White | Loss | Chen Kaidi | 1980.07 |
| 2 | Black | Draw | Huang Diandian | 2184.72 |
| 3 | White | Loss | Jin Hongli | 2347.21 |
| 4 | Black | Win | Ma Xiao | 1891.53 |
| 5 | White | Loss | Chen Jinghui | 2147.18 |
| 6 | Black | Loss | Liao Zhenhuan | 2026.91 |
| 7 | White | Win | Peng Tusheng | 1454.30 |
| 8 | Black | Loss | Chen Zuxin | 2222.62 |
| 2nd National Mind Sports Games of China, Men Group A | ||||
| Date | 2011-11-16 | Rating | 1968.12 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | He Qian | 2086.65 |
| 2 | White | Loss | He Shaoting | 1902.51 |
| 3 | Black | Loss | Ren Jianfeng | 1981.16 |
| 4 | White | Loss | Qi Guangwei | 1902.35 |
| 5 | White | Draw | Xiao Zijiang | 1884.42 |
| 6 | Black | Win | Qi Kui | 1748.07 |
| 7 | White | Win | Yang Wenbo | 1750.97 |
| 8 | Black | Win | Liu Jingliang | 2145.21 |
| 9 | White | Win | Wei Qiang | 2059.05 |
| Chinese National Championship 2008 | ||||
| Date | 2008-12-14 | Rating | 1976.09 | |
| Round | Color | Result | Opponent | |
| 8 | Black | Loss | Qiu Weifu | 2234.87 |
| A1 | Black | Win | Wang Haiping | 1972.65 |
| A2 | Black | Loss | Chen Xin | 2337.67 |
| A3 | White | Loss | Jing Weijun | 2024.45 |
| A4 | White | Win | Liu Leining | 1900.74 |
| A5 | White | Loss | Dai Ruzhou | 2205.31 |
| A6 | White | Win | He Qian | 2001.19 |
| A7 | White | Loss | Wang Haibo | 2211.61 |