Zhang Huaijin (张怀瑾)
Place: Shandong Prov., China
Birth: 2011-09-15
Rating: 2308.01, Std: 108.19, Rank: 290
First game: 2022-07-18, Last game: 2023-11-04
Top rating: 2308.01 (2023-11-04)
Games: 49, Wins: 25, Draws: 8, Losses: 16
Gy1: 0, Gy2: 40, Gy5: 49
| 5th National Mind Sports Games of China, Boy Team | ||||
|---|---|---|---|---|
| Date | 2023-11-04 | Rating | 2308.01 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Li Jinze | 2127.84 |
| 2 | Black | Loss | Zhu Hongming | 2375.70 |
| 3 | Black | Win | Wu You | 2395.96 |
| 4 | White | Win | Chen Junhao | 2154.54 |
| 5 | Black | Win | Zhou Wubin | 2316.08 |
| 6 | White | Draw | Shen Yihang | 2428.40 |
| 7 | Black | Win | Li Jinghui | 2063.96 |
| 5th National Mind Sports Games of China, Boys | ||||
| Date | 2023-10-31 | Rating | 2307.28 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Wu Yuhan | 2017.77 |
| 2 | White | Win | Xu Dengke | 1660.22 |
| 3 | Black | Win | Li Chengze | 2056.78 |
| 4 | White | Win | Zhou Wubin | 2315.60 |
| 5 | Black | Loss | Zhang Zhiyuan | 2347.97 |
| 6 | White | Win | Li Zirui | 2195.19 |
| 7 | Black | Loss | Chen Junhao | 2154.63 |
| 8 | White | Win | Ma Yize | 2160.33 |
| 9 | Black | Draw | Zhou Chenli | 2454.80 |
| 10 | White | Draw | Liu Jiasheng | 2256.90 |
| 11 | Black | Draw | Zhang Zhihao | 2267.02 |
| “Lingfeng Cup” 5th World Renju Open, Group B | ||||
| Date | 2023-06-18 | Rating | 2290.75 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Lei Pui Ieong | 2065.81 |
| 3 | Black | Win | Deng Qi | 2280.04 |
| 4 | White | Loss | Guo Junyi | 2162.12 |
| 5 | Black | Win | Lei Un Hou | 2205.76 |
| 6 | White | Loss | Jiang Xiaoyu | 2184.92 |
| 7 | Black | Win | Ho Cheng Lam | 2034.69 |
| 8 | Black | Draw | Chi Yunze | 2125.28 |
| 9 | White | Draw | Lao Chi Ieng | 2067.55 |
| Chinese National Championship 2023, Men Group Preliminary | ||||
| Date | 2023-05-05 | Rating | 2288.12 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Lu Hai | 2722.58 |
| 2 | White | Loss | He Shujun | 2652.40 |
| 3 | White | Draw | Ma Yize | 2140.27 |
| 4 | Black | Win | Zong Yicheng | 1824.87 |
| 5 | White | Draw | Dong Jiahao | 2424.12 |
| 6 | Black | Loss | Zhang Xiaojian | 2536.92 |
| 7 | White | Loss | Fu Liang | 2424.37 |
| Chinese National Championship 2022, Men Group Preliminary | ||||
| Date | 2023-03-20 | Rating | 2288.64 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Ni Zhongxing | 2726.05 |
| 2 | White | Loss | Dong Xinwu | 2462.46 |
| 3 | Black | Win | Shen Tianyou | 2238.13 |
| 4 | White | Loss | Wang Qingle | 2195.90 |
| 5 | Black | Win | Su Zijing | 1951.58 |
| 6 | White | Win | Chi Yunze | 2112.44 |
| 7 | Black | Loss | Lan Zhiren | 2582.28 |
| World Renju Youth Cup 2022 (online) D Group | ||||
| Date | 2022-07-18 | Rating | 2299.87 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Du Jingliang | 1962.39 |
| 2 | Black | Win | Liu Yisheng | 1924.30 |
| 3 | Black | Win | Tam I Him Marcus | 1851.08 |
| 4 | Black | Win | Wu You | 2356.54 |
| 5 | Black | Win | Zhang Zhihao | 2276.55 |
| 6 | White | Loss | Zheng Zhen | 2338.50 |
| 7 | White | Loss | Lu Haotian | 2368.08 |
| 8 | White | Win | Song Ruiyang | 2122.95 |
| 9 | Black | Win | Pan Shaoqin | 2276.72 |