Zhang Huaijin (张怀瑾)
Place: Shandong Prov., China
Rating: 2279.97, Std: 89.17, Rank: 330
First game: 2022-07-18, Last game: 2023-11-04
Top rating: 2279.97 (2023-11-04)
Games: 49, Wins: 25, Draws: 8, Losses: 16
Gy1: 26, Gy2: 49, Gy5: 49
| 5th National Mind Sports Games of China, Boy Team | ||||
|---|---|---|---|---|
| Date | 2023-11-04 | Rating | 2279.97 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Li Jinze | 2094.40 |
| 2 | Black | Loss | Zhu Hongming | 2348.29 |
| 3 | Black | Win | Wu You | 2369.31 |
| 4 | White | Win | Chen Junhao | 2124.83 |
| 5 | Black | Win | Zhou Wubin | 2288.68 |
| 6 | White | Draw | Shen Yihang | 2399.50 |
| 7 | Black | Win | Li Jinghui | 2035.66 |
| 5th National Mind Sports Games of China, Boys | ||||
| Date | 2023-10-31 | Rating | 2279.24 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Wu Yuhan | 1987.43 |
| 2 | White | Win | Xu Dengke | 1633.48 |
| 3 | Black | Win | Li Chengze | 2004.07 |
| 4 | White | Win | Zhou Wubin | 2288.16 |
| 5 | Black | Loss | Zhang Zhiyuan | 2318.57 |
| 6 | White | Win | Li Zirui | 2137.02 |
| 7 | Black | Loss | Chen Junhao | 2124.92 |
| 8 | White | Win | Ma Yize | 2131.96 |
| 9 | Black | Draw | Zhou Chenli | 2451.86 |
| 10 | White | Draw | Liu Jiasheng | 2222.80 |
| 11 | Black | Draw | Zhang Zhihao | 2243.82 |
| “Lingfeng Cup” 5th World Renju Open, Group B | ||||
| Date | 2023-06-18 | Rating | 2263.34 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Lei Pui Ieong | 2047.17 |
| 3 | Black | Win | Deng Qi | 2249.16 |
| 4 | White | Loss | Guo Junyi | 2134.44 |
| 5 | Black | Win | Lei Un Hou | 2182.38 |
| 6 | White | Loss | Jiang Xiaoyu | 2157.34 |
| 7 | Black | Win | Ho Cheng Lam | 2006.06 |
| 8 | Black | Draw | Chi Yunze | 2095.09 |
| 9 | White | Draw | Lao Chi Ieng | 2049.68 |
| Chinese National Championship 2023, Men Group Preliminary | ||||
| Date | 2023-05-05 | Rating | 2260.84 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Lu Hai | 2731.68 |
| 2 | White | Loss | He Shujun | 2637.87 |
| 3 | White | Draw | Ma Yize | 2113.96 |
| 4 | Black | Win | Zong Yicheng | 1803.87 |
| 5 | White | Draw | Dong Jiahao | 2424.02 |
| 6 | Black | Loss | Zhang Xiaojian | 2521.82 |
| 7 | White | Loss | Fu Liang | 2445.64 |
| Chinese National Championship 2022, Men Group Preliminary | ||||
| Date | 2023-03-20 | Rating | 2260.88 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Ni Zhongxing | 2711.84 |
| 2 | White | Loss | Dong Xinwu | 2438.28 |
| 3 | Black | Win | Shen Tianyou | 2211.31 |
| 4 | White | Loss | Wang Qingle | 2172.67 |
| 5 | Black | Win | Su Zijing | 1924.79 |
| 6 | White | Win | Chi Yunze | 2083.22 |
| 7 | Black | Loss | Lan Zhiren | 2571.53 |
| World Renju Youth Cup 2022 (online) D Group | ||||
| Date | 2022-07-18 | Rating | 2268.73 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Du Jingliang | 1945.31 |
| 2 | Black | Win | Liu Yisheng | 1862.85 |
| 3 | Black | Win | Tam I Him Marcus | 1832.19 |
| 4 | Black | Win | Wu You | 2334.96 |
| 5 | Black | Win | Zhang Zhihao | 2257.29 |
| 6 | White | Loss | Zheng Zhen | 2303.96 |
| 7 | White | Loss | Lu Haotian | 2335.25 |
| 8 | White | Win | Song Ruiyang | 2039.86 |
| 9 | Black | Win | Pan Shaoqin | 2155.81 |