Zhang Huaijin (张怀瑾)
Place: Shandong Prov., China
Birth: 2011-09-15
Rating: 2333.70, Std: 159.43, Rank: 274
First game: 2022-07-18, Last game: 2023-11-04
Top rating: 2333.70 (2023-11-04)
Games: 49, Wins: 25, Draws: 8, Losses: 16
Gy1: 0, Gy2: 0, Gy5: 49
| 5th National Mind Sports Games of China, Boy Team | ||||
|---|---|---|---|---|
| Date | 2023-11-04 | Rating | 2333.70 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Li Jinze | 2153.57 |
| 2 | Black | Loss | Zhu Hongming | 2398.51 |
| 3 | Black | Win | Wu You | 2427.39 |
| 4 | White | Win | Chen Junhao | 2179.76 |
| 5 | Black | Win | Zhou Wubin | 2340.16 |
| 6 | White | Draw | Shen Yihang | 2452.16 |
| 7 | Black | Win | Li Jinghui | 2165.92 |
| 5th National Mind Sports Games of China, Boys | ||||
| Date | 2023-10-31 | Rating | 2332.94 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Wu Yuhan | 2038.05 |
| 2 | White | Win | Xu Dengke | 1677.33 |
| 3 | Black | Win | Li Chengze | 2084.06 |
| 4 | White | Win | Zhou Wubin | 2339.70 |
| 5 | Black | Loss | Zhang Zhiyuan | 2366.71 |
| 6 | White | Win | Li Zirui | 2215.60 |
| 7 | Black | Loss | Chen Junhao | 2179.81 |
| 8 | White | Win | Ma Yize | 2177.01 |
| 9 | Black | Draw | Zhou Chenli | 2477.14 |
| 10 | White | Draw | Liu Jiasheng | 2280.66 |
| 11 | Black | Draw | Zhang Zhihao | 2286.80 |
| “Lingfeng Cup” 5th World Renju Open, Group B | ||||
| Date | 2023-06-18 | Rating | 2315.99 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win |  Lei Pui Ieong | 2083.07 |
| 3 | Black | Win | Deng Qi | 2300.97 |
| 4 | White | Loss | Guo Junyi | 2185.69 |
| 5 | Black | Win | Lei Un Hou | 2248.71 |
| 6 | White | Loss | Jiang Xiaoyu | 2201.34 |
| 7 | Black | Win | Ho Cheng Lam | 2051.59 |
| 8 | Black | Draw | Chi Yunze | 2146.63 |
| 9 | White | Draw | Lao Chi Ieng | 2156.93 |
| Chinese National Championship 2023, Men Group Preliminary | ||||
| Date | 2023-05-05 | Rating | 2312.95 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Lu Hai | 2738.99 |
| 2 | White | Loss | He Shujun | 2674.41 |
| 3 | White | Draw | Ma Yize | 2156.67 |
| 4 | Black | Win | Zong Yicheng | 1902.96 |
| 5 | White | Draw | Dong Jiahao | 2446.30 |
| 6 | Black | Loss | Zhang Xiaojian | 2565.79 |
| 7 | White | Loss | Fu Liang | 2448.87 |
| Chinese National Championship 2022, Men Group Preliminary | ||||
| Date | 2023-03-20 | Rating | 2313.02 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Ni Zhongxing | 2748.03 |
| 2 | White | Loss | Dong Xinwu | 2486.81 |
| 3 | Black | Win | Shen Tianyou | 2256.01 |
| 4 | White | Loss | Wang Qingle | 2235.87 |
| 5 | Black | Win | Su Zijing | 1972.60 |
| 6 | White | Win | Chi Yunze | 2133.89 |
| 7 | Black | Loss | Lan Zhiren | 2606.56 |
| World Renju Youth Cup 2022 (online) D Group | ||||
| Date | 2022-07-18 | Rating | 2321.69 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Du Jingliang | 1972.12 |
| 2 | Black | Win | Liu Yisheng | 1960.48 |
| 3 | Black | Win | Tam I Him Marcus | 1870.74 |
| 4 | Black | Win | Wu You | 2378.86 |
| 5 | Black | Win | Zhang Zhihao | 2293.41 |
| 6 | White | Loss | Zheng Zhen | 2353.94 |
| 7 | White | Loss | Lu Haotian | 2382.82 |
| 8 | White | Win | Song Ruiyang | 2142.55 |
| 9 | Black | Win | Pan Shaoqin | 2266.00 |