Zhang Huaijin (张怀瑾)
Place: Shandong Prov., China
Birth: 2011-09-15
Rating: 2333.68, Std: 158.28, Rank: 276
First game: 2022-07-18, Last game: 2023-11-04
Top rating: 2333.68 (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 | 2333.68 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Li Jinze | 2153.47 |
| 2 | Black | Loss | Zhu Hongming | 2398.53 |
| 3 | Black | Win | Wu You | 2427.28 |
| 4 | White | Win | Chen Junhao | 2179.58 |
| 5 | Black | Win | Zhou Wubin | 2340.04 |
| 6 | White | Draw | Shen Yihang | 2452.34 |
| 7 | Black | Win | Li Jinghui | 2166.37 |
| 5th National Mind Sports Games of China, Boys | ||||
| Date | 2023-10-31 | Rating | 2332.92 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Wu Yuhan | 2037.92 |
| 2 | White | Win | Xu Dengke | 1677.19 |
| 3 | Black | Win | Li Chengze | 2083.78 |
| 4 | White | Win | Zhou Wubin | 2339.58 |
| 5 | Black | Loss | Zhang Zhiyuan | 2366.81 |
| 6 | White | Win | Li Zirui | 2215.28 |
| 7 | Black | Loss | Chen Junhao | 2179.63 |
| 8 | White | Win | Ma Yize | 2177.01 |
| 9 | Black | Draw | Zhou Chenli | 2477.37 |
| 10 | White | Draw | Liu Jiasheng | 2279.02 |
| 11 | Black | Draw | Zhang Zhihao | 2286.90 |
| “Lingfeng Cup” 5th World Renju Open, Group B | ||||
| Date | 2023-06-18 | Rating | 2316.00 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win |  Lei Pui Ieong | 2083.06 |
| 3 | Black | Win | Deng Qi | 2300.95 |
| 4 | White | Loss | Guo Junyi | 2185.53 |
| 5 | Black | Win | Lei Un Hou | 2248.64 |
| 6 | White | Loss | Jiang Xiaoyu | 2201.13 |
| 7 | Black | Win | Ho Cheng Lam | 2051.33 |
| 8 | Black | Draw | Chi Yunze | 2146.61 |
| 9 | White | Draw | Lao Chi Ieng | 2156.98 |
| Chinese National Championship 2023, Men Group Preliminary | ||||
| Date | 2023-05-05 | Rating | 2312.98 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Lu Hai | 2740.16 |
| 2 | White | Loss | He Shujun | 2675.33 |
| 3 | White | Draw | Ma Yize | 2156.68 |
| 4 | Black | Win | Zong Yicheng | 1902.62 |
| 5 | White | Draw | Dong Jiahao | 2446.88 |
| 6 | Black | Loss | Zhang Xiaojian | 2566.68 |
| 7 | White | Loss | Fu Liang | 2449.50 |
| Chinese National Championship 2022, Men Group Preliminary | ||||
| Date | 2023-03-20 | Rating | 2313.06 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Ni Zhongxing | 2749.13 |
| 2 | White | Loss | Dong Xinwu | 2487.52 |
| 3 | Black | Win | Shen Tianyou | 2256.06 |
| 4 | White | Loss | Wang Qingle | 2236.27 |
| 5 | Black | Win | Su Zijing | 1972.10 |
| 6 | White | Win | Chi Yunze | 2133.88 |
| 7 | Black | Loss | Lan Zhiren | 2607.31 |
| World Renju Youth Cup 2022 (online) D Group | ||||
| Date | 2022-07-18 | Rating | 2321.68 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Du Jingliang | 1971.84 |
| 2 | Black | Win | Liu Yisheng | 1960.21 |
| 3 | Black | Win | Tam I Him Marcus | 1870.74 |
| 4 | Black | Win | Wu You | 2378.97 |
| 5 | Black | Win | Zhang Zhihao | 2293.53 |
| 6 | White | Loss | Zheng Zhen | 2353.92 |
| 7 | White | Loss | Lu Haotian | 2382.77 |
| 8 | White | Win | Song Ruiyang | 2142.42 |
| 9 | Black | Win | Pan Shaoqin | 2265.08 |