Zhang Huaijin (张怀瑾)
Place: Shandong Prov., China
Rating: 2279.75, Std: 88.08, Rank: 331
First game: 2022-07-18, Last game: 2023-11-04
Top rating: 2279.75 (2023-11-04)
Games: 49, Wins: 25, Draws: 8, Losses: 16
Gy1: 33, Gy2: 49, Gy5: 49
| 5th National Mind Sports Games of China, Boy Team | ||||
|---|---|---|---|---|
| Date | 2023-11-04 | Rating | 2279.75 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Li Jinze | 2094.24 |
| 2 | Black | Loss | Zhu Hongming | 2348.09 |
| 3 | Black | Win | Wu You | 2369.11 |
| 4 | White | Win | Chen Junhao | 2124.84 |
| 5 | Black | Win | Zhou Wubin | 2287.61 |
| 6 | White | Draw | Shen Yihang | 2398.72 |
| 7 | Black | Win | Li Jinghui | 2035.49 |
| 5th National Mind Sports Games of China, Boys | ||||
| Date | 2023-10-31 | Rating | 2279.02 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Wu Yuhan | 1987.35 |
| 2 | White | Win | Xu Dengke | 1633.45 |
| 3 | Black | Win | Li Chengze | 2004.05 |
| 4 | White | Win | Zhou Wubin | 2287.09 |
| 5 | Black | Loss | Zhang Zhiyuan | 2318.33 |
| 6 | White | Win | Li Zirui | 2136.85 |
| 7 | Black | Loss | Chen Junhao | 2124.93 |
| 8 | White | Win | Ma Yize | 2131.82 |
| 9 | Black | Draw | Zhou Chenli | 2450.79 |
| 10 | White | Draw | Liu Jiasheng | 2223.58 |
| 11 | Black | Draw | Zhang Zhihao | 2243.46 |
| “Lingfeng Cup” 5th World Renju Open, Group B | ||||
| Date | 2023-06-18 | Rating | 2263.14 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Lei Pui Ieong | 2047.20 |
| 3 | Black | Win | Deng Qi | 2248.80 |
| 4 | White | Loss | Guo Junyi | 2134.39 |
| 5 | Black | Win | Lei Un Hou | 2182.83 |
| 6 | White | Loss | Jiang Xiaoyu | 2157.05 |
| 7 | Black | Win | Ho Cheng Lam | 2005.92 |
| 8 | Black | Draw | Chi Yunze | 2095.11 |
| 9 | White | Draw | Lao Chi Ieng | 2049.46 |
| Chinese National Championship 2023, Men Group Preliminary | ||||
| Date | 2023-05-05 | Rating | 2260.65 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Lu Hai | 2732.81 |
| 2 | White | Loss | He Shujun | 2636.86 |
| 3 | White | Draw | Ma Yize | 2113.87 |
| 4 | Black | Win | Zong Yicheng | 1802.86 |
| 5 | White | Draw | Dong Jiahao | 2422.52 |
| 6 | Black | Loss | Zhang Xiaojian | 2520.53 |
| 7 | White | Loss | Fu Liang | 2444.40 |
| Chinese National Championship 2022, Men Group Preliminary | ||||
| Date | 2023-03-20 | Rating | 2260.71 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | Ni Zhongxing | 2713.50 |
| 2 | White | Loss | Dong Xinwu | 2438.59 |
| 3 | Black | Win | Shen Tianyou | 2211.22 |
| 4 | White | Loss | Wang Qingle | 2171.87 |
| 5 | Black | Win | Su Zijing | 1924.59 |
| 6 | White | Win | Chi Yunze | 2083.26 |
| 7 | Black | Loss | Lan Zhiren | 2574.74 |
| World Renju Youth Cup 2022 (online) D Group | ||||
| Date | 2022-07-18 | Rating | 2268.60 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | Du Jingliang | 1945.38 |
| 2 | Black | Win | Liu Yisheng | 1862.90 |
| 3 | Black | Win | Tam I Him Marcus | 1832.29 |
| 4 | Black | Win | Wu You | 2334.88 |
| 5 | Black | Win | Zhang Zhihao | 2257.06 |
| 6 | White | Loss | Zheng Zhen | 2304.09 |
| 7 | White | Loss | Lu Haotian | 2335.11 |
| 8 | White | Win | Song Ruiyang | 2039.48 |
| 9 | Black | Win | Pan Shaoqin | 2156.31 |