Koyama Jun
Place: Tokyo, Japan
Rating: 2521.27, Rank: 49
First game: 2007-03-25, Last game: 2019-09-16
Top rating: 2552.70 (2015-11-15)
Games: 242, Wins: 134, Draws: 31, Losses: 77
Gy1: 0, Gy2: 32, Gy5: 134
57 Meijinsen Tournament | ||||
---|---|---|---|---|
Date | 2019-09-16 | Rating | 2521.27 | |
Round | Color | Result | Opponent | |
1 | Black | Draw |
|
2333.17 |
2 | White | Loss |
|
2717.98 |
3 | Black | Loss |
|
2587.85 |
4 | White | Win |
|
2268.96 |
5 | Black | Loss |
|
2735.28 |
6 | White | Loss |
|
2356.37 |
7 | White | Loss |
|
2524.74 |
8 | White | Win |
|
2644.05 |
9 | Black | Win |
|
2317.15 |
World Championship AT | ||||
Date | 2019-08-10 | Rating | 2524.69 | |
Round | Color | Result | Opponent | |
1 | Black | Draw |
|
2588.60 |
2 | Black | Win |
|
2655.87 |
3 | Black | Win |
|
2336.07 |
4 | Black | Win |
|
2577.40 |
5 | Black | Loss |
|
2731.15 |
6 | Black | Win |
|
2639.42 |
7 | Black | Draw |
|
2716.64 |
8 | Black | Draw |
|
2627.32 |
9 | White | Loss |
|
2580.83 |
10 | White | Loss |
|
2682.86 |
11 | Black | Loss |
|
2742.37 |
World Championship QT | ||||
Date | 2019-08-02 | Rating | 2524.54 | |
Round | Color | Result | Opponent | |
1 | White | Win |
|
2291.38 |
2 | White | Win |
|
2570.36 |
3 | Black | Loss |
|
2568.44 |
4 | Black | Win |
|
2684.16 |
5 | Black | Draw |
|
2582.47 |
6 | White | Loss |
|
2627.96 |
7 | White | Win |
|
2515.52 |
57 Meijinsen Qualification East Japan area 2nd round | ||||
Date | 2019-06-23 | Rating | 2520.06 | |
Round | Color | Result | Opponent | |
1 | Black | Win |
|
2092.00 |
2 | Black | Win |
|
2036.01 |
3 | White | Win |
|
2338.59 |
4 | Black | Win |
|
2179.92 |
5 | White | Win |
|
2307.30 |
14th All Japan Championship | ||||
Date | 2019-03-31 | Rating | 2505.97 | |
Round | Color | Result | Opponent | |
1 | White | Loss |
|
2220.92 |
2 | Black | Win |
|
2015.68 |
3 | White | Draw |
|
2339.33 |
4 | White | Win |
|
2308.01 |
5 | Black | Loss |
|
2901.46 |
6 | Black | Loss |
|
2622.09 |
19 Renju Emperor Tournament Kanto area 1st round | ||||
Date | 2018-10-21 | Rating | 2493.25 | |
Round | Color | Result | Opponent | |
1 | Black | Win |
|
1870.25 |
2 | White | Loss |
|
2166.03 |
3 | White | Draw |
|
2345.39 |
4 | White | Loss |
|
2324.58 |
56 Meijinsen Tournament | ||||
Date | 2018-09-17 | Rating | 2495.03 | |
Round | Color | Result | Opponent | |
1 | Black | Win |
|
2321.75 |
2 | Black | Loss |
|
2268.90 |
3 | White | Win |
|
2620.07 |
5 | Black | Win |
|
2571.81 |
6 | Black | Loss |
|
2346.96 |
7 | Black | Loss |
|
2703.33 |
8 | White | Loss |
|
2902.67 |
9 | White | Win |
|
2502.67 |
35 Kanto Championship | ||||
Date | 2018-07-16 | Rating | 2497.13 | |
Round | Color | Result | Opponent | |
4 | Black | Loss |
|
2366.20 |
5 | White | Win |
|
2170.64 |
6 | White | Win |
|
2041.29 |
56 Meijinsen Qualification East Japan area 2nd round | ||||
Date | 2018-06-25 | Rating | 2498.57 | |
Round | Color | Result | Opponent | |
1 | White | Win |
|
2221.30 |
2 | Black | Win |
|
2366.65 |
3 | White | Loss |
|
2306.09 |
56 Meijinsen Qualification Kanto area 1st round | ||||
Date | 2018-05-13 | Rating | 2502.38 | |
Round | Color | Result | Opponent | |
1 | Black | Loss |
|
2254.07 |
2 | Black | Win |
|
2179.26 |
3 | Black | Win |
|
2079.97 |
4 | White | Win |
|
2366.30 |
12th Team World Championship | ||||
Date | 2018-05-05 | Rating | 2503.26 | |
Round | Color | Result | Opponent | |
1 | Black | Win |
|
2104.79 |
2 | Black | Win |
|
2549.78 |
4 | White | Win |
|
2453.63 |
5 | Black | Win |
|
2600.48 |
6 | Black | Win |
|
2534.49 |
7 | White | Win |
|
2394.96 |
8 | White | Draw |
|
2478.56 |
9 | Black | Loss |
|
2534.49 |
10 | White | Loss |
|
2549.78 |
13th All Japan Championship | ||||
Date | 2018-01-28 | Rating | 2501.66 | |
Round | Color | Result | Opponent | |
1 | White | Loss |
|
2301.56 |
2 | White | Loss |
|
2337.27 |
3 | White | Loss |
|
2194.79 |
5 | White | Win |
|
2361.00 |
6 | Black | Win |
|
2076.21 |
18 Kanto Renju Emperor Tournament 2nd round | ||||
Date | 2017-12-31 | Rating | 2505.24 | |
Round | Color | Result | Opponent | |
1 | Black | Draw |
|
2362.58 |
2 | Black | Win |
|
2196.99 |
3 | Black | Loss |
|
2874.16 |
4 | Black | Loss |
|
2632.38 |
5 | White | Win |
|
2220.46 |
18 Kanto Renju Emperor Tournament 1st round | ||||
Date | 2017-11-30 | Rating | 2509.95 | |
Round | Color | Result | Opponent | |
1 | Black | Win |
|
1908.04 |
2 | White | Draw |
|
2633.27 |
3 | Black | Win |
|
2298.98 |
4 | White | Win |
|
2218.83 |
World Championship BT | ||||
Date | 2017-08-12 | Rating | 2521.84 | |
Round | Color | Result | Opponent | |
1 | Black | Win |
|
2242.42 |
2 | Black | Win |
|
2361.46 |
3 | Black | Draw |
|
2568.08 |
4 | Black | Win |
|
2550.86 |
5 | Black | Win |
|
2362.10 |
6 | Black | Loss |
|
2680.46 |
7 | Black | Win |
|
2419.85 |
8 | White | Win |
|
2376.36 |
9 | Black | Loss |
|
2633.98 |
World Championship QT | ||||
Date | 2017-08-05 | Rating | 2521.88 | |
Round | Color | Result | Opponent | |
1 | White | Win |
|
2242.39 |
2 | White | Win |
|
2787.18 |
3 | Black | Loss |
|
2550.33 |
4 | Black | Loss |
|
2600.03 |
5 | White | Draw |
|
2634.07 |
6 | Black | Win |
|
2241.15 |
7 | Black | Win |
|
2521.04 |
55 Meijinsen Qualification East Japan area 2nd round | ||||
Date | 2017-06-11 | Rating | 2518.30 | |
Round | Color | Result | Opponent | |
1 | Black | Win |
|
2091.97 |
2 | White | Loss |
|
2449.26 |
3 | White | Loss |
|
2296.88 |
4 | Black | Win |
|
2189.63 |
5 | Black | Loss |
|
2392.51 |
12th All Japan Championship | ||||
Date | 2017-03-26 | Rating | 2523.83 | |
Round | Color | Result | Opponent | |
1 | Black | Win |
|
2209.23 |
2 | Black | Loss |
|
2874.25 |
3 | Black | Win |
|
2318.85 |
4 | Black | Win |
|
2710.15 |
5 | Black | Loss |
|
2692.91 |
6 | White | Loss |
|
2456.95 |
20 New Year (Mikami) Cup | ||||
Date | 2017-01-22 | Rating | 2527.73 | |
Round | Color | Result | Opponent | |
S2 | Black | Win |
|
2410.12 |
S3 | Black | Loss |
|
2872.62 |
S4 | Black | Win |
|
2318.21 |
S5 | Black | Loss |
|
2633.58 |
54 Meijinsen Tournament | ||||
Date | 2016-09-19 | Rating | 2534.59 | |
Round | Color | Result | Opponent | |
1 | White | Win |
|
2287.46 |
2 | Black | Loss |
|
2669.07 |
3 | White | Draw |
|
2554.53 |
4 | White | Draw |
|
2473.83 |
5 | Black | Win |
|
2380.14 |
6 | Black | Draw |
|
2695.38 |
7 | Black | Draw |
|
2221.44 |
8 | Black | Win |
|
2282.60 |
9 | White | Loss |
|
2634.15 |
33 Kanto Championship | ||||
Date | 2016-07-31 | Rating | 2538.08 | |
Round | Color | Result | Opponent | |
1 | White | Win |
|
1989.29 |
2 | Black | Loss |
|
2864.74 |
3 | Black | Loss |
|
2637.90 |
4 | Black | Win |
|
2208.21 |
5 | Black | Draw |
|
2693.64 |
6 | Black | Draw |
|
2315.84 |
54 Meijinsen Qualification East Japan area 2nd round | ||||
Date | 2016-06-12 | Rating | 2542.93 | |
Round | Color | Result | Opponent | |
1 | White | Win |
|
2195.48 |
2 | Black | Win |
|
2643.99 |
3 | White | Win |
|
2479.75 |
4 | Black | Draw |
|
2273.42 |
5 | White | Draw |
|
2640.36 |
19 Mikami Cup | ||||
Date | 2016-03-13 | Rating | 2545.31 | |
Round | Color | Result | Opponent | |
S1 | White | Win |
|
2321.74 |
S2 | Black | Loss |
|
2853.54 |
S3 | White | Win |
|
2193.54 |
S4 | Black | Loss |
|
2639.29 |
16th Kanto Renju Emperor Tournament Final | ||||
Date | 2016-02-14 | Rating | 2546.42 | |
Round | Color | Result | Opponent | |
1 | Black | Loss |
|
2692.50 |
2 | White | Loss |
|
2692.50 |
11th All Japan Championship | ||||
Date | 2016-01-11 | Rating | 2549.28 | |
Round | Color | Result | Opponent | |
1 | White | Win |
|
2055.28 |
2 | Black | Win |
|
2225.87 |
3 | Black | Win |
|
2637.12 |
4 | Black | Loss |
|
2690.74 |
5 | White | Loss |
|
2442.12 |
6 | White | Draw |
|
2485.78 |
16 Kanto Renju Emperor Tournament 2nd round | ||||
Date | 2015-12-13 | Rating | 2552.23 | |
Round | Color | Result | Opponent | |
1 | White | Win |
|
2441.52 |
2 | White | Win |
|
2261.07 |
3 | Black | Loss |
|
2637.53 |
4 | Black | Draw |
|
2688.90 |
5 | White | Win |
|
2840.90 |
17 Kanto Renju Emperor Tournament 1st round | ||||
Date | 2015-11-23 | Rating | 2552.55 | |
Round | Color | Result | Opponent | |
1 | Black | Win |
|
1868.02 |
2 | Black | Loss |
|
2638.46 |
3 | Black | Win |
|
2188.38 |
4 | White | Win |
|
2326.67 |
16 Kanto Renju Emperor Tournament 1st round | ||||
Date | 2015-11-15 | Rating | 2552.70 | |
Round | Color | Result | Opponent | |
1 | Black | Win |
|
2326.10 |
2 | Black | Win |
|
2439.29 |
3 | Black | Win |
|
2638.65 |
4 | Black | Win |
|
2261.71 |
53 Meijinsen Tournament | ||||
Date | 2015-09-22 | Rating | 2548.37 | |
Round | Color | Result | Opponent | |
1 | Black | Loss |
|
2581.33 |
2 | Black | Win |
|
2694.25 |
3 | White | Win |
|
2324.90 |
4 | Black | Draw |
|
2682.35 |
5 | White | Loss |
|
2545.39 |
6 | White | Loss |
|
2494.48 |
7 | Black | Draw |
|
2453.65 |
8 | White | Win |
|
2321.75 |
9 | Black | Draw |
|
2640.49 |
World Championship BT | ||||
Date | 2015-08-12 | Rating | 2545.77 | |
Round | Color | Result | Opponent | |
1 | White | Win |
|
2113.30 |
2 | Black | Loss |
|
2170.70 |
3 | Black | Win |
|
2258.14 |
4 | Black | Win |
|
2269.05 |
5 | Black | Loss |
|
2350.35 |
6 | Black | Win |
|
2327.04 |
7 | Black | Win |
|
2204.71 |
8 | White | Win |
|
2287.65 |
9 | White | Draw |
|
2678.67 |
World Championship QT | ||||
Date | 2015-08-05 | Rating | 2545.60 | |
Round | Color | Result | Opponent | |
1 | Black | Win |
|
2256.95 |
2 | Black | Win |
|
2677.53 |
3 | Black | Loss |
|
2618.53 |
4 | White | Draw |
|
2554.96 |
5 | Black | Win |
|
2388.09 |
6 | Black | Loss |
|
2620.03 |
7 | Black | Win |
|
2488.50 |
Kanto Championship | ||||
Date | 2015-07-20 | Rating | 2544.31 | |
Round | Color | Result | Opponent | |
1 | White | Win |
|
2041.91 |
2 | Black | Win |
|
2826.81 |
3 | Black | Draw |
|
2647.24 |
4 | White | Win |
|
2189.74 |
5 | Black | Loss |
|
2676.52 |
6 | Black | Win |
|
2068.32 |
53 Meijinsen Qualification East Japan area 2nd round | ||||
Date | 2015-06-14 | Rating | 2539.02 | |
Round | Color | Result | Opponent | |
1 | White | Loss |
|
2500.50 |
2 | Black | Win |
|
2421.22 |
3 | White | Win |
|
2261.46 |
5 | Black | Draw |
|
2607.42 |
6 | White | Win |
|
2217.40 |
53 Meijinsen Qualification East Japan area 1st round | ||||
Date | 2015-05-10 | Rating | 2533.41 | |
Round | Color | Result | Opponent | |
1 | Black | Win |
|
2257.55 |
2 | Black | Win |
|
2185.02 |
3 | Black | Win |
|
2215.60 |
4 | White | Loss |
|
2601.96 |
10th All Japan Championship | ||||
Date | 2015-03-29 | Rating | 2526.59 | |
Round | Color | Result | Opponent | |
1 | White | Win |
|
2039.33 |
2 | White | Loss |
|
2592.67 |
3 | Black | Win |
|
2005.70 |
4 | Black | Win |
|
2256.80 |
5 | Black | Loss |
|
2350.17 |
6 | Black | Win |
|
2141.61 |
12 Kanto Renju Emperor Tournament 1st round | ||||
Date | 2011-10-23 | Rating | 2394.36 | |
Round | Color | Result | Opponent | |
1 | Black | Loss |
|
2690.26 |
2 | White | Win |
|
1938.12 |
3 | White | Loss |
|
2350.08 |
4 | White | Loss |
|
2395.66 |
49 Meijinsen Qualification East-Japan area 1st round | ||||
Date | 2011-06-12 | Rating | 2391.67 | |
Round | Color | Result | Opponent | |
1 | Black | Loss |
|
2341.23 |
2 | Black | Win |
|
2330.70 |
3 | Black | Loss |
|
2484.93 |
4 | Black | Win |
|
2331.15 |
ex | Black | Loss |
|
2484.93 |
28th Kanto Shineisen Tournament | ||||
Date | 2011-04-17 | Rating | 2392.54 | |
Round | Color | Result | Opponent | |
1 | White | Win |
|
1948.92 |
2 | Black | Win |
|
2373.67 |
3 | White | Win |
|
2029.34 |
4 | White | Loss |
|
2475.78 |
5 | Black | Win |
|
2162.07 |
5 | White | Loss |
|
2373.67 |
14th Mikami Cup Tournament | ||||
Date | 2011-01-30 | Rating | 2394.01 | |
Round | Color | Result | Opponent | |
A1 | Black | Win |
|
1944.28 |
A2 | White | Loss |
|
2081.58 |
A3 | Black | Win |
|
1956.26 |
A4 | Black | Win |
|
2456.08 |
A5 | Black | Win |
|
1960.00 |
8th Middle-dan Players Tournament | ||||
Date | 2009-08-30 | Rating | 2405.76 | |
Round | Color | Result | Opponent | |
1 | White | Win |
|
2104.10 |
2 | White | Win |
|
2009.95 |
3 | Black | Loss |
|
2329.17 |
4 | White | Win |
|
2136.71 |
5 | White | Draw |
|
2202.40 |
6 | Black | Win |
|
2312.22 |
46th Meijinsen Qualification East-Japan area 1st round | ||||
Date | 2008-06-15 | Rating | 2418.56 | |
Round | Color | Result | Opponent | |
3 | Black | Win |
|
2311.78 |
4 | Black | Win |
|
2297.22 |
25th Kanto Shineisen Tournament | ||||
Date | 2008-04-13 | Rating | 2417.19 | |
Round | Color | Result | Opponent | |
1 | White | Win |
|
2042.27 |
2 | Black | Win |
|
2051.75 |
3 | White | Win |
|
2061.65 |
4 | Black | Win |
|
2185.88 |
5 | Black | Draw |
|
2312.30 |
2nd All Japan Championship (WC Qualification) | ||||
Date | 2007-03-25 | Rating | 2397.71 | |
Round | Color | Result | Opponent | |
1 | White | Win |
|
1916.06 |
2 | Black | Loss |
|
2526.80 |
5 | White | Win |
|
2050.66 |
6 | Black | Win |
|
2294.06 |