Zhang Huaijin (张怀瑾)
Place: Shandong Prov., China
Birth: 2011-09-15
Rating: 2330.99, Std: 153.88, Rank: 279
First game: 2022-07-18, Last game: 2023-11-04
Top rating: 2330.99 (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 | 2330.99 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Li Jinze | 2151.55 |
| 2 | Black | Loss | Zhu Hongming | 2396.08 |
| 3 | Black | Win | Wu You | 2423.66 |
| 4 | White | Win | Chen Junhao | 2177.29 |
| 5 | Black | Win | Zhou Wubin | 2337.20 |
| 6 | White | Draw | Shen Yihang | 2449.21 |
| 7 | Black | Win | Li Jinghui | 2162.82 |
| 5th National Mind Sports Games of China, Boys | ||||
| Date | 2023-10-31 | Rating | 2330.23 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Wu Yuhan | 2035.41 |
| 2 | White | Win | Xu Dengke | 1674.79 |
| 3 | Black | Win | Li Chengze | 2080.98 |
| 4 | White | Win | Zhou Wubin | 2336.74 |
| 5 | Black | Loss | Zhang Zhiyuan | 2364.24 |
| 6 | White | Win | Li Zirui | 2212.53 |
| 7 | Black | Loss | Chen Junhao | 2177.34 |
| 8 | White | Win | Ma Yize | 2174.63 |
| 9 | Black | Draw | Zhou Chenli | 2474.29 |
| 10 | White | Draw | Liu Jiasheng | 2278.47 |
| 11 | Black | Draw | Zhang Zhihao | 2284.47 |
| “Lingfeng Cup” 5th World Renju Open, Group B | ||||
| Date | 2023-06-18 | Rating | 2313.28 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win |  Lei Pui Ieong | 2080.97 |
| 3 | Black | Win | Deng Qi | 2298.25 |
| 4 | White | Loss | Guo Junyi | 2182.46 |
| 5 | Black | Win | Lei Un Hou | 2245.65 |
| 6 | White | Loss | Jiang Xiaoyu | 2199.36 |
| 7 | Black | Win | Ho Cheng Lam | 2049.60 |
| 8 | Black | Draw | Chi Yunze | 2143.48 |
| 9 | White | Draw | Lao Chi Ieng | 2154.83 |
| Chinese National Championship 2023, Men Group Preliminary | ||||
| Date | 2023-05-05 | Rating | 2310.24 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Lu Hai | 2735.67 |
| 2 | White | Loss | He Shujun | 2670.09 |
| 3 | White | Draw | Ma Yize | 2154.24 |
| 4 | Black | Win | Zong Yicheng | 1889.00 |
| 5 | White | Draw | Dong Jiahao | 2443.85 |
| 6 | Black | Loss | Zhang Xiaojian | 2561.79 |
| 7 | White | Loss | Fu Liang | 2445.33 |
| Chinese National Championship 2022, Men Group Preliminary | ||||
| Date | 2023-03-20 | Rating | 2310.34 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Ni Zhongxing | 2744.61 |
| 2 | White | Loss | Dong Xinwu | 2483.81 |
| 3 | Black | Win | Shen Tianyou | 2254.54 |
| 4 | White | Loss | Wang Qingle | 2233.08 |
| 5 | Black | Win | Su Zijing | 1973.95 |
| 6 | White | Win | Chi Yunze | 2130.78 |
| 7 | Black | Loss | Lan Zhiren | 2603.22 |
| World Renju Youth Cup 2022 (online) D Group | ||||
| Date | 2022-07-18 | Rating | 2319.12 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Du Jingliang | 1969.79 |
| 2 | Black | Win | Liu Yisheng | 1957.70 |
| 3 | Black | Win | Tam I Him Marcus | 1868.59 |
| 4 | Black | Win | Wu You | 2376.36 |
| 5 | Black | Win | Zhang Zhihao | 2291.37 |
| 6 | White | Loss | Zheng Zhen | 2351.26 |
| 7 | White | Loss | Lu Haotian | 2379.95 |
| 8 | White | Win | Song Ruiyang | 2140.43 |
| 9 | Black | Win | Pan Shaoqin | 2264.03 |