Yu Yajun (于亚君)

Place: Liaoning Prov., China

Rating: 2430.59, Std: 94.41, Rank: 174

First game: 2008-12-14, Last game: 2024-09-16

Top rating: 2439.39 (2023-08-22)

Games: 340, Wins: 148, Draws: 55, Losses: 137

Gy1: 16, Gy2: 81, Gy5: 142

Chinese National Team Championship 2024, Women's Group
Date	2024-09-16		Rating	2430.59
Round	Color	Result	Opponent
1	Black	Loss	Cheng Yanzhen	2435.43
2	White	Win	Dong Chenying	2311.43
3	White	Win	Liu Xun	2458.44
4	Black	Win	Yang Xinlin	2317.09
5	Black	Win	Shen Rang	2087.51
6	White	Win	Fan Yuqi	2117.49
7	Black	Draw	Zhang Hongmei	2167.67
“Lingfeng Cup” 6th World Renju Open
Date	2024-05-12		Rating	2421.16
Round	Color	Result	Opponent
1	Black	Win	Huang Xiangning	2500.11
2	Black	Loss	Jiao Zhengrui	2647.36
3	White	Win	Burtsev Peter	2559.66
4	White	Loss	Wan Junhong	2582.66
5	Black	Loss	Huang Yimiao	2515.31
6	White	Loss	Gromov Danila	2570.76
7	Black	Draw	Savrasova Yulia	2534.53
8	White	Loss	Dong Jiayi	2258.97
9	White	Win	Toyo Koryu	2207.58
Chinese National Championship 2024, Women Group Preliminary
Date	2024-03-16		Rating	2418.16
Round	Color	Result	Opponent
1	Black	Loss	Huang Xiangning	2502.03
2	White	Win	Wen Yongcai	2275.73
3	Black	Loss	Liu Qin	2563.23
4	White	Loss	Shen Lanxin	2513.61
5	Black	Win	Wu Kunyi	1873.40
6	White	Win	Ge Yuwei	1908.21
7	Black	Loss	Cheng Yanzhen	2422.95
Chinese National Amateur King Tournament 2023
Date	2023-11-13		Rating	2427.42
Round	Color	Result	Opponent
1	White	Win	Wang Chen	1902.18
2	Black	Loss	Lin Guoling	2282.93
3	White	Win	Song Xiaoying	2139.98
4	Black	Loss	Ling Shijie	2696.41
5	White	Win	Liu Changtong	2154.89
6	Black	Loss	Jin Hongtao	2385.53
7	White	Win	Wang Qingle	2197.84
8	Black	Loss	Wang Qichao	2469.38
9	White	Loss	Tong Chen	2227.62
5th National Mind Sports Games of China, Mixed Team
Date	2023-11-04		Rating	2430.13
Round	Color	Result	Opponent
1	Black	Win	Liu Jun	1984.06
2	White	Loss	Liu Qin	2526.36
3	White	Draw	Wu Zhiqin	2482.12
4	Black	Loss	Huo Jiuxu	2512.01
5	White	Win	Sun Qian	1975.62
6	White	Loss	Cheng Yanzhen	2404.02
7	Black	Loss	Wang Qingqing	2654.77
5th National Mind Sports Games of China, Women Group Final
Date	2023-10-31		Rating	2431.91
Round	Color	Result	Opponent
1QF	Black	Win	Yan Yali	2526.45
2SF	Black	Draw	Wang Qingqing	2654.32
3F	Black	Draw	Wan Junhong	2575.40
5th National Mind Sports Games of China, Women Group Preliminary
Date	2023-10-30		Rating	2432.23
Round	Color	Result	Opponent
1	Black	Win	Li Jie	1965.58
2	White	Win	Qiu Xiuqin	1684.07
3	Black	Win	Shen Lanxin	2515.17
4	White	Draw	Huo Jiuxu	2511.39
5	Black	Loss	Wu Zhiqin	2482.65
6	White	Draw	Li Xiaoqing	2577.59
7	Black	Win	Jin Rui	2480.81
8	White	Win	Huang Qiongying	2515.78
9	Black	Draw	Wan Junhong	2575.16
Chinese National Ding'an Open 2023
Date	2023-08-22		Rating	2439.39
Round	Color	Result	Opponent
1	Black	Loss	Lu Hai	2755.09
3	White	Win	Cheng Yanzhen	2415.35
4	Black	Loss	Wan Junhong	2561.50
5	White	Win	Lu Yi	2382.67
6	Black	Win	Chen Xin	2565.35
7	White	Draw	Ai Xianping	2718.60
Chinese National Team Championship 2023
Date	2023-06-24		Rating	2436.19
Round	Color	Result	Opponent
1	Black	Draw	Wan Junhong	2546.59
2	White	Loss	Jin Rui	2480.05
3	White	Win	Gao Jiaxuan	2116.25
4	Black	Win	Zheng Yining	2369.22
5	White	Draw	Huang Qiongying	2523.11
6	Black	Draw	Wang Qingqing	2655.66
7	White	Draw	Shen Lanxin	2546.74
Chinese National Championship 2023, Women Group Final
Date	2023-05-06		Rating	2429.11
Round	Color	Result	Opponent
1QF	White	Loss	Wang Qingqing	2655.90
2SF	Black	Loss	Liu Qin	2468.92
3F	White	Loss	Huang Qiongying	2518.88
Chinese National Championship 2023, Women Group Preliminary
Date	2023-05-05		Rating	2429.08
Round	Color	Result	Opponent
1	Black	Win	Yang Ziyu	2048.54
2	Black	Draw	Li Xiaoqing	2578.57
3	White	Loss	Wang Qingqing	2655.92
4	White	Win	Yu Xiaomi	2211.51
5	Black	Win	Song Chanjuan	2307.42
6	White	Draw	Shen Lanxin	2552.47
7	Black	Draw	Liu Qin	2468.53
Chinese National City Team Tournament 2023
Date	2023-05-02		Rating	2428.69
Round	Color	Result	Opponent
1	White	Win	Chen Zhenjiao	1735.03
2	Black	Win	Song Chanjuan	2307.30
3	White	Win	Huang Junshuai	1886.56
4	Black	Draw	Li Xiaofang	2198.70
5	White	Loss	Wang Qingqing	2656.25
6	White	Loss	Wan Junhong	2538.12
7	Black	Loss	Jin Rui	2474.99
Chinese National Championship 2022, Women Group Preliminary
Date	2023-03-20		Rating	2427.49
Round	Color	Result	Opponent
1	Black	Draw	Jin Rui	2464.99
2	White	Draw	Song Chanjuan	2310.23
3	Black	Loss	Zheng Xiaoyang	2253.98
4	White	Win	Fan Zhiyi	2000.10
5	Black	Win	Li Jie	2015.90
6	White	Draw	Wen Yongcai	2320.99
7	Black	Win	Yu Changxuan	2280.23
Chinese National Amateur King Tournament 2022
Date	2022-11-29		Rating	2430.85
Round	Color	Result	Opponent
1	Black	Loss	Yang Tingyu	2575.52
2	Black	Win	Ge Yuwei	1891.86
3	White	Win	Shen Lanxin	2537.22
4	White	Draw	Huang Shengming	2736.38
5	Black	Loss	Li Xiaoqing	2604.83
6	White	Win	Wu Zhiqin	2497.59
7	White	Loss	Meng Jiehuan	2586.78
8	White	Win	Wan Junhong	2500.25
9	Black	Win	Chen Jing	2643.27
4th Anji World Renju Open
Date	2022-11-13		Rating	2427.51
Round	Color	Result	Opponent
1	White	Loss	Zhang Xiaojian	2550.10
2	White	Win	Ge Yuwei	1890.98
3	White	Loss	Wan Junhong	2498.10
4	Black	Win	Gao Jiaxuan	2114.33
5	Black	Loss	Zhu Tianyi	2543.44
6	White	Draw	Lu Yi	2371.54
7	White	Win	Li Xiaoqing	2603.65
Chinese National Team Championship 2021, Finals (online)
Date	2022-01-16		Rating	2372.45
Round	Color	Result	Opponent
1	Black	Win	Li Xiaofang	2160.49
2	White	Loss	Liu Xun	2471.20
3	Black	Loss	Huo Jiuxu	2447.46
4	Black	Win	Cheng Yanzhen	2423.81
Chinese National Team Championship 2021, First round (online)
Date	2022-01-09		Rating	2371.13
Round	Color	Result	Opponent
1	White	Loss	Zhang Peipei	2143.92
Chinese National Team Championship 2021, Qualification (online)
Date	2022-01-08		Rating	2371.03
Round	Color	Result	Opponent
2	White	Win	Sun Qian	1965.04
3	Black	Loss	Li Xiaoqing	2630.01
4	White	Loss	Liu Xun	2470.84
5	Black	Loss	Cheng Yanzhen	2424.87
Chinese National Championship 2021, Women Group
Date	2021-10-07		Rating	2370.76
Round	Color	Result	Opponent
1	White	Loss	Shen Lanxin	2510.56
2	White	Win	Zhang Peipei	2132.89
3	White	Draw	Wang Yelin	2424.38
4	White	Loss	Fang Guanping	2229.84
5	White	Win	Huo Jiuxu	2427.87
6	White	Loss	Liu Xun	2467.67
7	Black	Win	Zhang Xiaoting	2177.67
3rd Anji World Renju Open
Date	2020-12-20		Rating	2378.22
Round	Color	Result	Opponent
1	Black	Win	Mei Fan	2690.15
2	White	Draw	Fan Xingcen	2534.46
3	Black	Loss	Xie Weixiang	2610.23
4	Black	Loss	Yin Jiamiao	2426.28
5	Black	Draw	Meng Jiehuan	2564.60
6	White	Loss	Mao Weiming	2378.45
Chinese National Championship 2020, Women Group (online)
Date	2020-12-16		Rating	2378.24
Round	Color	Result	Opponent
1	White	Win	Lin Yinqi	2063.93
2	Black	Win	Hu Wanlin	2036.01
3	White	Draw	Cheng Yanzhen	2451.76
4	White	Win	Wu Zhiqin	2519.02
5	White	Win	Huo Jiuxu	2397.09
6	White	Loss	Wan Junhong	2518.06
7	White	Loss	Liu Xun	2468.82
Mind Master Games 2020
Date	2020-10-18		Rating	2372.68
Round	Color	Result	Opponent
1	Black	Win	Li Zhen	2353.70
2	White	Loss	Jiang Qiwen	2790.94
3	Black	Win	Leong Chit Seong	1919.42
4	Black	Win	Ma Wangyue	2233.73
5	Black	Win	Jin Nanchuan	2167.32
6	Black	Loss	Wan Junhong	2515.16
7	Black	Loss	Liu Qin	2346.54
8	Black	Win	Wang Yuxi	2301.60
9	Black	Loss	Mao Weiming	2372.91
4th National Mind Sports Games of China, Mixed Team
Date	2019-11-18		Rating	2338.86
Round	Color	Result	Opponent
1	White	Win	Liu Zhao	2135.04
2	White	Draw	Cao Xueyu	2204.73
3	White	Win	Liu Hongping	2193.43
4	Black	Win	Cheng Yanzhen	2397.72
5	Black	Draw	Wang Qingqing	2656.43
6	Black	Draw	Zheng Weinan	2448.94
7	White	Loss	Xiao Huifang	2443.55
4th National Mind Sports Games of China, Women
Date	2019-11-13		Rating	2337.75
Round	Color	Result	Opponent
1	Black	Win	Liu Zhao	2135.44
2	White	Loss	Li Xiaofang	2119.39
3	Black	Win	Zheng Yining	2276.51
4	White	Win	Wang Zhe	2170.20
5	Black	Draw	Cheng Yanzhen	2397.46
6	White	Loss	Huo Jiuxu	2392.83
7	White	Loss	Liu Qin	2342.27
8	Black	Win	Yu Yaping	2272.27
9	White	Draw	He Xian	2203.52
Chinese National Elite Tournament 2019, Women Group
Date	2019-10-09		Rating	2331.72
Round	Color	Result	Opponent
1	Black	Win	Wang Yelin	2482.12
2	Black	Loss	Cheng Yanzhen	2393.87
3	White	Win	Luo Yan	2114.16
4	White	Loss	Li Xiaoqing	2663.94
5	White	Win	Huo Jiuxu	2395.09
6	White	Loss	Wang Qingqing	2652.18
7	White	Loss	Dong Xiaoli	2509.94
8	Black	Loss	Wu Zhiqin	2543.86
Chinese National Championship 2019, Women Group
Date	2019-10-05		Rating	2330.88
Round	Color	Result	Opponent
1	White	Loss	He Xian	2201.15
2	Black	Loss	Huo Jiuxu	2395.67
3	Black	Win	Wang Jiayi	2028.30
4	Black	Win	Wang Zhe	2169.91
5	Black	Loss	Dong Xiaoli	2509.50
6	Black	Loss	Yu Yaping	2277.31
7	Black	Win	Gong Yixuan	1755.53
World Championship 2019, WT
Date	2019-08-10		Rating	2328.15
Round	Color	Result	Opponent
1	Black	Win	Kolk Mari	1882.75
2	White	Loss	Liu Xun	2463.93
3	White	Draw	Tolstoguzova Sofia	2304.34
4	Black	Draw	Fujita Maiko	2327.12
5	White	Loss	Reimand Hanna-Kai	2058.04
6	Black	Win	Kõllo Liisa Maria	1669.25
7	White	Win	Oborina Anastasja	2377.93
8	White	Loss	Wu Zhiqin	2553.10
9	White	Loss	Wang Qingqing	2649.78
Chinese National Open 2019, Women Group
Date	2019-07-17		Rating	2329.28
Round	Color	Result	Opponent
1	Black	Win	Xu Lingqin	2267.31
2	White	Draw	Wang Qingqing	2653.31
3	White	Loss	Dong Chenying	2399.92
4	White	Loss	Wang Yelin	2486.45
5	Black	Win	Jin Meng	2124.46
6	Black	Win	Liu Zhao	2141.94
7	White	Loss	Liu Xun	2468.73
Chinese National Team Championship 2019, Women Group
Date	2019-05-04		Rating	2330.54
Round	Color	Result	Opponent
1	White	Draw	Yu Yaping	2284.08
2	White	Win	Xie Jiamei	2056.47
3	White	Win	Shen Lanxin	2423.66
4	White	Loss	Wu Zhiqin	2550.79
5	White	Win	Li Jie	2279.41
6	White	Loss	Zheng Yining	2273.33
7	White	Win	Peng Lulu	2053.38
“SOPAI Cup” 1st World Renju Open
Date	2018-11-25		Rating	2323.85
Round	Color	Result	Opponent
1	White	Loss	Zhang Wenbo	2407.25
2	Black	Loss	Huang Shengming	2590.58
3	Black	Win	Guo Haisen	2200.12
4	Black	Draw	Huang Jianguang	2438.86
5	White	Win	Wang Xinhui	2163.40
6	Black	Loss	Qiu Yujin	2412.12
7	White	Loss	Fedotov Denis	2664.03
8	Black	Draw	Reimand Hanna-Kai	1999.98
9	Black	Loss	Hu Guanzhao	2389.07
Chinese National Elite Tournament 2018, Women Group
Date	2018-10-07		Rating	2327.56
Round	Color	Result	Opponent
1	Black	Loss	Wang Yelin	2482.25
2	White	Loss	Xiao Huifang	2399.62
3	Black	Loss	Li Xiaoqing	2680.89
4	White	Loss	Chien Yung-Hsuan	2542.73
5	Black	Win	Wang Qingqing	2649.03
6	Black	Loss	Wu Zhiqin	2544.21
7	White	Loss	Dong Xiaoli	2493.78
8	White	Loss	Liu Xun	2477.44
Chinese National Championship 2018, Women Group
Date	2018-10-03		Rating	2328.29
Round	Color	Result	Opponent
1	Black	Win	Luo Yan	2143.27
2	Black	Draw	Wang Qingqing	2649.89
3	Black	Win	Wu Zhiqin	2543.74
4	White	Loss	Li Xiaoqing	2680.65
5	Black	Loss	Xiao Huifang	2400.04
6	Black	Loss	Liu Xun	2477.64
7	Black	Win	Zhang Chunxia	1812.24
Chinese National Open 2018, Women Group
Date	2018-07-16		Rating	2337.17
Round	Color	Result	Opponent
1	Black	Draw	Hu Jianhua	2009.63
2	Black	Win	Wang Yelin	2466.29
3	White	Win	Xiao Huifang	2387.63
4	Black	Loss	Li Xiaoqing	2680.38
5	White	Loss	Shen Lanxin	2442.47
Chinese National Team Championship 2018
Date	2018-04-07		Rating	2343.88
Round	Color	Result	Opponent
W1	Black	Loss	Wu Zhiqin	2540.46
W3	White	Loss	Dong Chenying	2417.86
W4	Black	Draw	Cao Xueyu	2134.43
W5	White	Loss	Hu Xi	2376.02
Chinese National Open 2017, Women Group
Date	2017-07-19		Rating	2401.13
Round	Color	Result	Opponent
1	Black	Win	Zeng Bingjie	1967.74
3	Black	Win	Xiao Huifang	2344.02
4	White	Win	Dong Chenying	2413.81
5	White	Win	Dong Xiaoli	2439.93
6	White	Loss	Huang Qiongying	2513.68
8	White	Win	Wang Yelin	2458.35
9	White	Win	Xu Lingqin	2239.57
3rd National Mind Sports Games of China, Women Group Final
Date	2015-09-22		Rating	2392.04
Round	Color	Result	Opponent
1	Black	Loss	Huang Qiongying	2565.21
2	White	Loss	Wan Junhong	2436.18
3	White	Loss	Wu Zhiqin	2503.67
3rd National Mind Sports Games of China, Women Group A
Date	2015-09-20		Rating	2392.25
Round	Color	Result	Opponent
1	White	Win	Zhao Junfang	1901.73
2	Black	Draw	Dong Chenying	2383.60
3	Black	Win	Cheng Yanzhen	2324.22
4	White	Draw	Dong Xiaoli	2344.39
5	Black	Win	Yu Qunqiu	2205.78
6	White	Loss	Wang Qingqing	2628.61
7	Black	Win	Xu Lingqin	2234.68
8	Black	Loss	Wu Zhiqin	2503.50
9	White	Win	Huo Jiuxu	2273.92
Chinese National Open 2015, Women Group
Date	2015-04-06		Rating	2396.34
Round	Color	Result	Opponent
1	White	Loss	Li Xiaoqing	2553.32
2	Black	Win	Wang Qingqing	2632.50
3	Black	Win	Liu Qin	2215.88
4	White	Draw	Hu Xi	2420.09
5	White	Loss	Huang Qiongying	2542.81
7	White	Win	Cheng Yanzhen	2351.43
Chinese National Championship 2014, Women Group
Date	2014-10-06		Rating	2381.84
Round	Color	Result	Opponent
1	Black	Win	Han Yue	2244.95
2	White	Loss	Cheng Yanzhen	2363.62
3	Black	Win	Shen Zihan	2080.31
4	White	Loss	Wu Zhiqin	2440.33
5	Black	Win	Li Jie	2163.41
6	White	Draw	Wang Qingqing	2673.93
7	White	Win	Li Xiaoqing	2520.61
Chinese National Championship 2013, Women Group Final
Date	2013-10-06		Rating	2321.38
Round	Color	Result	Opponent
1	White	Win	Wang Xinhui	2068.14
2	White	Loss	Wu Zhiqin	2371.88
3	White	Draw	Cheng Yanzhen	2314.96
Chinese National Championship 2013, Women Group
Date	2013-10-05		Rating	2321.25
Round	Color	Result	Opponent
1	White	Win	Han Yu	1932.89
2	Black	Draw	Liao Wenjun	1945.03
3	Black	Loss	Wang Qingqing	2656.79
4	White	Win	Wu Zhiqin	2371.63
5	White	Win	Cheng Yanzhen	2314.79
6	Black	Win	Dong Xiaoli	2205.24
7	White	Draw	Li Jie	1890.74
Chinese National Open 2013, Women Group
Date	2013-06-12		Rating	2298.32
Round	Color	Result	Opponent
2	White	Loss	Chien Yung-Hsuan	2475.20
3	Black	Loss	Liu Xun	2331.77
4	Black	Loss	Wu Zhiqin	2342.27
5	White	Win	Li Jie	1967.74
6	Black	Win	Zhang Yanping	2058.55
7	White	Draw	Han Yue	2239.94
Chinese National Championship 2012, Women Group
Date	2012-10-06		Rating	2273.76
Round	Color	Result	Opponent
1	White	Win	Zhang Yanping	2052.78
2	Black	Draw	Li Jie	2141.96
3	White	Loss	Cheng Yanzhen	2237.52
4	White	Win	Han Yu	1955.67
5	Black	Draw	Chen Zimin	2125.28
6	White	Draw	Hu Xi	2353.17
7	Black	Win	Liu Xun	2315.64
8	White	Loss	Wang Qingqing	2616.49
9	Black	Win	Li Chenrong	1844.99
Chinese National Open 2012, Women Group
Date	2012-06-24		Rating	2262.91
Round	Color	Result	Opponent
1	White	Win	Kuang Xingji	1613.21
2	Black	Win	Chen Zimin	2113.47
3	White	Loss	Wang Qingqing	2592.04
4	Black	Loss	Han Yue	2246.93
5	White	Loss	Zhang Yanping	2065.67
6	Black	Win	Wu Huishan	1732.11
7	White	Win	Kang Chou	2012.08
2nd National Mind Sports Games of China, Women Group Final
Date	2011-11-18		Rating	2260.86
Round	Color	Result	Opponent
1	Black	Loss	Zheng Weinan	2377.76
2	White	Draw	Jiang Xiaohua	2297.83
3	Black	Loss	Zhang Le	2193.91
2nd National Mind Sports Games of China, Women Group A
Date	2011-11-16		Rating	2261.03
Round	Color	Result	Opponent
2	Black	Win	Lyu Yuechan	1633.96
3	Black	Draw	Liu Zhao	1983.74
4	White	Win	Zhang Zhongyuan	2041.95
5	Black	Win	Li Tao	2186.51
6	Black	Win	Jiang Xiaohua	2298.04
7	White	Win	Liu Xun	2276.35
8	White	Win	Gu Wanqing	2205.22
9	White	Loss	Huo Jiuxu	2265.92
Chinese National Championship 2011, Women Group
Date	2011-10-06		Rating	2258.68
Round	Color	Result	Opponent
1	Black	Win	Guo Xinlu	1763.53
2	White	Win	Liu Jie	2226.77
3	Black	Win	Huang Qiongying	2393.32
4	Black	Loss	Wang Qingqing	2508.85
5	White	Win	Liu Xun	2270.42
6	Black	Win	Wang Yelin	2362.85
7	White	Win	Zou Yuqiong	2140.59
8	Black	Loss	Hu Xi	2379.33
9	White	Loss	Jiang Xiaohua	2300.39
F1	Black	Loss	Huang Qiongying	2393.32
F2	White	Loss	Wang Yelin	2362.85
F3	Black	Loss	Jiang Xiaohua	2300.39
Chinese National Open Tournament 2011, Women Group
Date	2011-06-06		Rating	2243.31
Round	Color	Result	Opponent
1	White	Loss	Zheng Weinan	2347.86
2	Black	Win	Wu Zhiqin	2127.24
3	White	Loss	Wang Qingqing	2459.44
4	White	Win	Qiao Min	1944.81
5	White	Win	Liu Xun	2243.90
6	Black	Loss	Zheng Yining	2067.20
7	White	Draw	Zhang Le	2163.80
Chinese National Championship 2010
Date	2010-10-06		Rating	2224.35
Round	Color	Result	Opponent
A1	White	Win	Yu Jun	1501.77
A2	Black	Loss	Huang Liqin	2546.63
A3	White	Win	Kang Haining	1950.91
A4	Black	Loss	Dai Xiaohan	2697.01
A5	Black	Win	Yu Zhicheng	1788.26
A6	White	Draw	Yin Tong	2282.16
A7	Black	Loss	Chen Xin	2423.49
A8	Black	Loss	Zhang Cai	2253.65
A9	Black	Loss	Shi Weixin	2148.40
Chinese National Championship 2008
Date	2008-12-14		Rating	2257.90
Round	Color	Result	Opponent
8	White	Loss	Zhou Keding	2486.51
B1	Black	Win	Feng Xiaofeng	2167.67
B2	White	Loss	Lan Zhiren	2406.61
B3	Black	Win	Hao Xinwu	1615.52
B4	Black	Loss	Lu Hai	2540.57
B5	Black	Win	Ding Peilong	2052.79
B6	White	Win	Xi Zhenyang	2296.68
B7	Black	Win	Qi Guan	2419.36