Xu Jianxin (徐建鑫)
Place: Beijing, China
Rating: 2519.50, Std: 163.11, Rank: 111
First game: 2011-12-24, Last game: 2023-11-04
Top rating: 2570.41 (2019-08-24)
Games: 116, Wins: 57, Draws: 17, Losses: 42
Gy1: 0, Gy2: 0, Gy5: 30
| 5th National Mind Sports Games of China, Mixed Team | ||||
|---|---|---|---|---|
| Date | 2023-11-04 | Rating | 2519.50 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | 1727.43 | |
| 2 | Black | Win | 2319.48 | |
| 3 | White | Win | 2750.38 | |
| 4 | Black | Loss | 2798.98 | |
| 5 | Black | Draw | 2421.39 | |
| 6 | White | Draw | 2541.41 | |
| 7 | White | Loss | 2601.34 | |
| 5th National Mind Sports Games of China, Men Group Preliminary | ||||
| Date | 2023-10-30 | Rating | 2519.29 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | 1683.48 | |
| 2 | White | Win | 2516.36 | |
| 3 | White | Loss | 2796.08 | |
| 4 | Black | Loss | 2798.59 | |
| 5 | White | Loss | 2569.04 | |
| 6 | Black | Win | 2152.38 | |
| 7 | White | Win | 2383.40 | |
| 8 | White | Draw | 2523.14 | |
| 9 | Black | Draw | 2523.40 | |
| Chinese National Team Championship 2023 | ||||
| Date | 2023-06-24 | Rating | 2511.38 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | 2405.35 | |
| 2 | Black | Loss | 2598.89 | |
| 3 | White | Loss | 2570.25 | |
| 4 | White | Loss | 2328.25 | |
| 5 | Black | Draw | 2337.61 | |
| 6 | Black | Loss | 2564.60 | |
| 7 | White | Win | 2553.59 | |
| Chinese National Championship 2022, Men Group Preliminary | ||||
| Date | 2023-03-20 | Rating | 2519.06 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | 2456.96 | |
| 2 | White | Loss | 2697.55 | |
| 3 | Black | Win | 2125.47 | |
| 4 | Black | Loss | 2768.98 | |
| 5 | White | Win | 2365.09 | |
| 6 | Black | Win | 2409.14 | |
| 7 | White | Loss | 2678.56 | |
| Beijing Wenbo Wuziqi Tournament | ||||
| Date | 2020-09-20 | Rating | 2551.13 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | 2231.22 | |
| 2 | Black | Win | 2231.23 | |
| 3 | Black | Win | 2208.10 | |
| 4 | White | Loss | 2562.70 | |
| 5 | Black | Win | 2099.50 | |
| 2019 (1st) Beijing Renju Championship | ||||
| Date | 2019-12-15 | Rating | 2561.57 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | 1666.01 | |
| 2 | White | Loss | 2161.09 | |
| 3 | Black | Win | 2177.43 | |
| 4 | White | Win | 2046.80 | |
| 5 | Black | Win | 2231.12 | |
| 6 | White | Win | 2376.89 | |
| Tieliang Cup 2019 Renju Tournament | ||||
| Date | 2019-08-24 | Rating | 2570.41 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | 2117.00 | |
| 2 | White | Win | 2193.58 | |
| 4 | White | Win | 2680.80 | |
| 5 | White | Draw | 2824.24 | |
| 6 | Black | Win | 2824.24 | |
| Chinese National Team Championship 2018 | ||||
| Date | 2018-04-07 | Rating | 2500.78 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | 2693.44 | |
| 2 | Black | Draw | 2479.93 | |
| 3 | White | Loss | 2877.78 | |
| 4 | White | Loss | 2696.72 | |
| 5 | White | Loss | 2356.64 | |
| 6 | White | Loss | 2801.83 | |
| 7 | Black | Loss | 2508.33 | |
| Chinese National Championship 2016 | ||||
| Date | 2016-10-05 | Rating | 2544.52 | |
| Round | Color | Result | Opponent | |
| 1 | White | Win | 2107.14 | |
| 2 | White | Loss | 2817.81 | |
| 3 | Black | Win | 2407.67 | |
| 4 | Black | Win | 2318.13 | |
| 5 | Black | Draw | 2491.52 | |
| 6 | Black | Loss | 2705.59 | |
| 7 | Black | Draw | 2548.93 | |
| 8 | White | Win | 2307.73 | |
| 9 | White | Win | 2750.58 | |
| 2015 Chirstmas LianHuan Tournament | ||||
| Date | 2015-12-27 | Rating | 2534.18 | |
| Round | Color | Result | Opponent | |
| A1 | Black | Win | 1927.57 | |
| A2 | Black | Win | 2159.66 | |
| A3 | Black | Loss | 2543.25 | |
| A4 | White | Win | 2353.99 | |
| A5 | Black | Draw | 2752.07 | |
| 3rd National Mind Sports Games of China, Men Group Final | ||||
| Date | 2015-09-22 | Rating | 2528.69 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | 2800.20 | |
| 2 | Black | Loss | 2633.87 | |
| 3 | Black | Draw | 2612.06 | |
| 3rd National Mind Sports Games of China, Men Group A | ||||
| Date | 2015-09-20 | Rating | 2528.66 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Win | 2276.21 | |
| 2 | White | Draw | 2542.57 | |
| 3 | Black | Win | 2588.87 | |
| 4 | White | Loss | 2510.17 | |
| 5 | White | Draw | 2498.62 | |
| 6 | Black | Win | 2295.15 | |
| 7 | White | Loss | 2651.21 | |
| 8 | Black | Win | 2412.81 | |
| 9 | White | Win | 2505.82 | |
| Chinese National Championship 2015, Men Group | ||||
| Date | 2015-05-24 | Rating | 2515.25 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Draw | 2580.94 | |
| 2 | White | Win | 2634.03 | |
| 3 | Black | Loss | 2634.97 | |
| 4 | White | Win | 2346.17 | |
| 5 | White | Win | 2632.03 | |
| 6 | Black | Win | 2453.61 | |
| 7 | White | Loss | 2767.01 | |
| 8 | Black | Loss | 2521.24 | |
| 9 | Black | Draw | 2504.68 | |
| Chinese National Championship 2014, Men Group Final | ||||
| Date | 2014-10-07 | Rating | 2462.08 | |
| Round | Color | Result | Opponent | |
| R | Black | Loss | 2581.43 | |
| Chinese National Championship 2014, Men Group A | ||||
| Date | 2014-10-06 | Rating | 2461.88 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | 2518.55 | |
| 2 | White | Win | 2288.13 | |
| 3 | Black | Win | 1970.48 | |
| 4 | White | Win | 2671.25 | |
| 5 | Black | Loss | 2604.20 | |
| 6 | White | Win | 2136.41 | |
| 7 | Black | Loss | 2512.32 | |
| Chinese National Championship 2013, Men Group Final | ||||
| Date | 2013-10-06 | Rating | 2387.68 | |
| Round | Color | Result | Opponent | |
| R | White | Win | 1941.78 | |
| Chinese National Championship 2013, Men Group B | ||||
| Date | 2013-10-05 | Rating | 2387.47 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | 2594.84 | |
| 2 | Black | Win | 1969.43 | |
| 3 | White | Loss | 2616.70 | |
| 4 | White | Draw | 2171.28 | |
| 5 | Black | Win | 2121.90 | |
| 6 | Black | Win | 1995.38 | |
| 7 | White | Loss | 2481.97 | |
| Chinese National Open 2013, Men Group | ||||
| Date | 2013-06-12 | Rating | 2372.53 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Draw | 2405.07 | |
| 2 | White | Loss | 2235.59 | |
| 4 | White | Loss | 2525.71 | |
| 5 | Black | Win | 2052.48 | |
| 6 | White | Win | 2418.35 | |
| 7 | Black | Loss | 2477.26 | |
| 2011 Christmas LianHuan Tournament | ||||
| Date | 2011-12-24 | Rating | 2337.72 | |
| Round | Color | Result | Opponent | |
| 1 | Black | Loss | 2189.38 | |
| 2 | Black | Win | 1905.56 | |
| 3 | White | Win | 2143.52 | |
| 4 | Black | Win | 2475.76 | |
| 5 | Black | Win | 1905.56 | |
| 6 | Black | Loss | 2682.57 | |