Koyama Jun
Place: Tokyo, Japan
Rating: 2519.75, Rank: 50
First game: 2007-03-25, Last game: 2019-09-16
Top rating: 2553.11 (2015-11-15)
Games: 242, Wins: 134, Draws: 31, Losses: 77
Gy1: 0, Gy2: 38, Gy5: 140
57 Meijinsen Tournament | ||||
---|---|---|---|---|
Date | 2019-09-16 | Rating | 2519.75 | |
Round | Color | Result | Opponent | |
1 | Black | Draw |
|
2317.93 |
2 | White | Loss |
|
2712.64 |
3 | Black | Loss |
|
2593.40 |
4 | White | Win |
|
2263.05 |
5 | Black | Loss |
|
2731.43 |
6 | White | Loss |
|
2353.41 |
7 | White | Loss |
|
2523.35 |
8 | White | Win |
|
2629.15 |
9 | Black | Win |
|
2314.38 |
World Championship AT | ||||
Date | 2019-08-10 | Rating | 2523.26 | |
Round | Color | Result | Opponent | |
1 | Black | Draw |
|
2587.63 |
2 | Black | Win |
|
2654.66 |
3 | Black | Win |
|
2322.69 |
4 | Black | Win |
|
2577.09 |
5 | Black | Loss |
|
2727.56 |
6 | Black | Win |
|
2626.00 |
7 | Black | Draw |
|
2711.60 |
8 | Black | Draw |
|
2626.57 |
9 | White | Loss |
|
2579.65 |
10 | White | Loss |
|
2681.87 |
11 | Black | Loss |
|
2741.18 |
World Championship QT | ||||
Date | 2019-08-02 | Rating | 2523.15 | |
Round | Color | Result | Opponent | |
1 | White | Win |
|
2291.93 |
2 | White | Win |
|
2570.11 |
3 | Black | Loss |
|
2568.24 |
4 | Black | Win |
|
2683.30 |
5 | Black | Draw |
|
2581.33 |
6 | White | Loss |
|
2627.23 |
7 | White | Win |
|
2514.16 |
57 Meijinsen Qualification East Japan area 2nd round | ||||
Date | 2019-06-23 | Rating | 2518.84 | |
Round | Color | Result | Opponent | |
1 | Black | Win |
|
2119.33 |
2 | Black | Win |
|
2094.37 |
3 | White | Win |
|
2327.33 |
4 | Black | Win |
|
2185.45 |
5 | White | Win |
|
2314.44 |
14th All Japan Championship | ||||
Date | 2019-03-31 | Rating | 2504.89 | |
Round | Color | Result | Opponent | |
1 | White | Loss |
|
2217.48 |
2 | Black | Win |
|
2018.01 |
3 | White | Draw |
|
2330.39 |
4 | White | Win |
|
2314.42 |
5 | Black | Loss |
|
2896.37 |
6 | Black | Loss |
|
2612.25 |
19 Renju Emperor Tournament Kanto area 1st round | ||||
Date | 2018-10-21 | Rating | 2492.61 | |
Round | Color | Result | Opponent | |
1 | Black | Win |
|
1870.92 |
2 | White | Loss |
|
2168.99 |
3 | White | Draw |
|
2345.01 |
4 | White | Loss |
|
2317.99 |
56 Meijinsen Tournament | ||||
Date | 2018-09-17 | Rating | 2494.49 | |
Round | Color | Result | Opponent | |
1 | Black | Win |
|
2319.16 |
2 | Black | Loss |
|
2265.04 |
3 | White | Win |
|
2614.30 |
5 | Black | Win |
|
2573.48 |
6 | Black | Loss |
|
2346.67 |
7 | Black | Loss |
|
2700.23 |
8 | White | Loss |
|
2898.83 |
9 | White | Win |
|
2500.47 |
35 Kanto Championship | ||||
Date | 2018-07-16 | Rating | 2496.85 | |
Round | Color | Result | Opponent | |
4 | Black | Loss |
|
2368.32 |
5 | White | Win |
|
2173.42 |
6 | White | Win |
|
2039.43 |
56 Meijinsen Qualification East Japan area 2nd round | ||||
Date | 2018-06-25 | Rating | 2498.38 | |
Round | Color | Result | Opponent | |
1 | White | Win |
|
2226.09 |
2 | Black | Win |
|
2368.78 |
3 | White | Loss |
|
2310.61 |
56 Meijinsen Qualification Kanto area 1st round | ||||
Date | 2018-05-13 | Rating | 2502.31 | |
Round | Color | Result | Opponent | |
1 | Black | Loss |
|
2258.97 |
2 | Black | Win |
|
2181.93 |
3 | Black | Win |
|
2092.11 |
4 | White | Win |
|
2368.43 |
12th Team World Championship | ||||
Date | 2018-05-05 | Rating | 2503.20 | |
Round | Color | Result | Opponent | |
1 | Black | Win |
|
2103.24 |
2 | Black | Win |
|
2550.65 |
4 | White | Win |
|
2455.58 |
5 | Black | Win |
|
2600.54 |
6 | Black | Win |
|
2534.27 |
7 | White | Win |
|
2394.05 |
8 | White | Draw |
|
2478.41 |
9 | Black | Loss |
|
2534.27 |
10 | White | Loss |
|
2550.65 |
13th All Japan Championship | ||||
Date | 2018-01-28 | Rating | 2501.76 | |
Round | Color | Result | Opponent | |
1 | White | Loss |
|
2305.38 |
2 | White | Loss |
|
2337.81 |
3 | White | Loss |
|
2197.97 |
5 | White | Win |
|
2362.93 |
6 | Black | Win |
|
2085.94 |
18 Kanto Renju Emperor Tournament 2nd round | ||||
Date | 2017-12-31 | Rating | 2505.36 | |
Round | Color | Result | Opponent | |
1 | Black | Draw |
|
2364.49 |
2 | Black | Win |
|
2200.10 |
3 | Black | Loss |
|
2871.66 |
4 | Black | Loss |
|
2629.81 |
5 | White | Win |
|
2224.38 |
18 Kanto Renju Emperor Tournament 1st round | ||||
Date | 2017-11-30 | Rating | 2510.08 | |
Round | Color | Result | Opponent | |
1 | Black | Win |
|
1910.26 |
2 | White | Draw |
|
2630.97 |
3 | Black | Win |
|
2302.61 |
4 | White | Win |
|
2222.63 |
World Championship BT | ||||
Date | 2017-08-12 | Rating | 2521.99 | |
Round | Color | Result | Opponent | |
1 | Black | Win |
|
2241.02 |
2 | Black | Win |
|
2361.85 |
3 | Black | Draw |
|
2567.87 |
4 | Black | Win |
|
2550.56 |
5 | Black | Win |
|
2361.94 |
6 | Black | Loss |
|
2680.65 |
7 | Black | Win |
|
2418.91 |
8 | White | Win |
|
2375.61 |
9 | Black | Loss |
|
2632.46 |
World Championship QT | ||||
Date | 2017-08-05 | Rating | 2522.04 | |
Round | Color | Result | Opponent | |
1 | White | Win |
|
2240.99 |
2 | White | Win |
|
2786.73 |
3 | Black | Loss |
|
2550.03 |
4 | Black | Loss |
|
2599.59 |
5 | White | Draw |
|
2632.59 |
6 | Black | Win |
|
2244.35 |
7 | Black | Win |
|
2520.25 |
55 Meijinsen Qualification East Japan area 2nd round | ||||
Date | 2017-06-11 | Rating | 2518.52 | |
Round | Color | Result | Opponent | |
1 | Black | Win |
|
2095.66 |
2 | White | Loss |
|
2455.08 |
3 | White | Loss |
|
2300.11 |
4 | Black | Win |
|
2192.39 |
5 | Black | Loss |
|
2394.31 |
12th All Japan Championship | ||||
Date | 2017-03-26 | Rating | 2524.04 | |
Round | Color | Result | Opponent | |
1 | Black | Win |
|
2212.24 |
2 | Black | Loss |
|
2872.84 |
3 | Black | Win |
|
2319.83 |
4 | Black | Win |
|
2709.50 |
5 | Black | Loss |
|
2692.00 |
6 | White | Loss |
|
2455.08 |
20 New Year (Mikami) Cup | ||||
Date | 2017-01-22 | Rating | 2527.94 | |
Round | Color | Result | Opponent | |
S2 | Black | Win |
|
2411.77 |
S3 | Black | Loss |
|
2871.40 |
S4 | Black | Win |
|
2319.20 |
S5 | Black | Loss |
|
2632.83 |
54 Meijinsen Tournament | ||||
Date | 2016-09-19 | Rating | 2534.81 | |
Round | Color | Result | Opponent | |
1 | White | Win |
|
2286.00 |
2 | Black | Loss |
|
2668.64 |
3 | White | Draw |
|
2553.78 |
4 | White | Draw |
|
2473.35 |
5 | Black | Win |
|
2377.02 |
6 | Black | Draw |
|
2695.01 |
7 | Black | Draw |
|
2222.42 |
8 | Black | Win |
|
2280.15 |
9 | White | Loss |
|
2633.74 |
33 Kanto Championship | ||||
Date | 2016-07-31 | Rating | 2538.35 | |
Round | Color | Result | Opponent | |
1 | White | Win |
|
1993.85 |
2 | Black | Loss |
|
2863.92 |
3 | Black | Loss |
|
2637.63 |
4 | Black | Win |
|
2209.31 |
5 | Black | Draw |
|
2693.36 |
6 | Black | Draw |
|
2316.75 |
54 Meijinsen Qualification East Japan area 2nd round | ||||
Date | 2016-06-12 | Rating | 2543.25 | |
Round | Color | Result | Opponent | |
1 | White | Win |
|
2197.76 |
2 | Black | Win |
|
2643.83 |
3 | White | Win |
|
2483.06 |
4 | Black | Draw |
|
2276.41 |
5 | White | Draw |
|
2640.20 |
19 Mikami Cup | ||||
Date | 2016-03-13 | Rating | 2545.68 | |
Round | Color | Result | Opponent | |
S1 | White | Win |
|
2322.52 |
S2 | Black | Loss |
|
2853.01 |
S3 | White | Win |
|
2195.61 |
S4 | Black | Loss |
|
2639.30 |
16th Kanto Renju Emperor Tournament Final | ||||
Date | 2016-02-14 | Rating | 2546.80 | |
Round | Color | Result | Opponent | |
1 | Black | Loss |
|
2692.46 |
2 | White | Loss |
|
2692.46 |
11th All Japan Championship | ||||
Date | 2016-01-11 | Rating | 2549.68 | |
Round | Color | Result | Opponent | |
1 | White | Win |
|
2057.68 |
2 | Black | Win |
|
2226.89 |
3 | Black | Win |
|
2637.23 |
4 | Black | Loss |
|
2690.75 |
5 | White | Loss |
|
2443.42 |
6 | White | Draw |
|
2488.26 |
16 Kanto Renju Emperor Tournament 2nd round | ||||
Date | 2015-12-13 | Rating | 2552.64 | |
Round | Color | Result | Opponent | |
1 | White | Win |
|
2442.79 |
2 | White | Win |
|
2262.92 |
3 | Black | Loss |
|
2637.69 |
4 | Black | Draw |
|
2688.94 |
5 | White | Win |
|
2840.53 |
17 Kanto Renju Emperor Tournament 1st round | ||||
Date | 2015-11-23 | Rating | 2552.96 | |
Round | Color | Result | Opponent | |
1 | Black | Win |
|
1869.16 |
2 | Black | Loss |
|
2638.65 |
3 | Black | Win |
|
2190.32 |
4 | White | Win |
|
2327.36 |
16 Kanto Renju Emperor Tournament 1st round | ||||
Date | 2015-11-15 | Rating | 2553.11 | |
Round | Color | Result | Opponent | |
1 | Black | Win |
|
2326.78 |
2 | Black | Win |
|
2440.53 |
3 | Black | Win |
|
2638.85 |
4 | Black | Win |
|
2263.51 |
53 Meijinsen Tournament | ||||
Date | 2015-09-22 | Rating | 2548.78 | |
Round | Color | Result | Opponent | |
1 | Black | Loss |
|
2581.08 |
2 | Black | Win |
|
2694.39 |
3 | White | Win |
|
2325.52 |
4 | Black | Draw |
|
2682.49 |
5 | White | Loss |
|
2545.65 |
6 | White | Loss |
|
2496.48 |
7 | Black | Draw |
|
2453.49 |
8 | White | Win |
|
2320.94 |
9 | Black | Draw |
|
2640.74 |
World Championship BT | ||||
Date | 2015-08-12 | Rating | 2546.18 | |
Round | Color | Result | Opponent | |
1 | White | Win |
|
2113.09 |
2 | Black | Loss |
|
2170.43 |
3 | Black | Win |
|
2256.54 |
4 | Black | Win |
|
2268.83 |
5 | Black | Loss |
|
2348.74 |
6 | Black | Win |
|
2327.64 |
7 | Black | Win |
|
2203.88 |
8 | White | Win |
|
2288.96 |
9 | White | Draw |
|
2678.85 |
World Championship QT | ||||
Date | 2015-08-05 | Rating | 2546.01 | |
Round | Color | Result | Opponent | |
1 | Black | Win |
|
2255.35 |
2 | Black | Win |
|
2677.71 |
3 | Black | Loss |
|
2618.95 |
4 | White | Draw |
|
2555.45 |
5 | Black | Win |
|
2388.09 |
6 | Black | Loss |
|
2620.63 |
7 | Black | Win |
|
2488.55 |
Kanto Championship | ||||
Date | 2015-07-20 | Rating | 2544.73 | |
Round | Color | Result | Opponent | |
1 | White | Win |
|
2043.73 |
2 | Black | Win |
|
2826.65 |
3 | Black | Draw |
|
2647.55 |
4 | White | Win |
|
2191.41 |
5 | Black | Loss |
|
2676.72 |
6 | Black | Win |
|
2068.41 |
53 Meijinsen Qualification East Japan area 2nd round | ||||
Date | 2015-06-14 | Rating | 2539.46 | |
Round | Color | Result | Opponent | |
1 | White | Loss |
|
2502.24 |
2 | Black | Win |
|
2422.29 |
3 | White | Win |
|
2262.96 |
5 | Black | Draw |
|
2607.89 |
6 | White | Win |
|
2218.43 |
53 Meijinsen Qualification East Japan area 1st round | ||||
Date | 2015-05-10 | Rating | 2533.86 | |
Round | Color | Result | Opponent | |
1 | Black | Win |
|
2259.49 |
2 | Black | Win |
|
2186.56 |
3 | Black | Win |
|
2216.63 |
4 | White | Loss |
|
2602.46 |
10th All Japan Championship | ||||
Date | 2015-03-29 | Rating | 2527.05 | |
Round | Color | Result | Opponent | |
1 | White | Win |
|
2040.33 |
2 | White | Loss |
|
2593.21 |
3 | Black | Win |
|
2008.02 |
4 | Black | Win |
|
2258.65 |
5 | Black | Loss |
|
2350.78 |
6 | Black | Win |
|
2142.51 |
12 Kanto Renju Emperor Tournament 1st round | ||||
Date | 2011-10-23 | Rating | 2394.78 | |
Round | Color | Result | Opponent | |
1 | Black | Loss |
|
2690.67 |
2 | White | Win |
|
1938.65 |
3 | White | Loss |
|
2350.58 |
4 | White | Loss |
|
2396.04 |
49 Meijinsen Qualification East-Japan area 1st round | ||||
Date | 2011-06-12 | Rating | 2392.08 | |
Round | Color | Result | Opponent | |
1 | Black | Loss |
|
2341.70 |
2 | Black | Win |
|
2331.18 |
3 | Black | Loss |
|
2485.34 |
4 | Black | Win |
|
2331.67 |
ex | Black | Loss |
|
2485.34 |
28th Kanto Shineisen Tournament | ||||
Date | 2011-04-17 | Rating | 2392.95 | |
Round | Color | Result | Opponent | |
1 | White | Win |
|
1948.92 |
2 | Black | Win |
|
2374.13 |
3 | White | Win |
|
2029.38 |
4 | White | Loss |
|
2476.20 |
5 | Black | Win |
|
2162.55 |
5 | White | Loss |
|
2374.13 |
14th Mikami Cup Tournament | ||||
Date | 2011-01-30 | Rating | 2394.41 | |
Round | Color | Result | Opponent | |
A1 | Black | Win |
|
1944.32 |
A2 | White | Loss |
|
2082.01 |
A3 | Black | Win |
|
1956.63 |
A4 | Black | Win |
|
2456.14 |
A5 | Black | Win |
|
1960.30 |
8th Middle-dan Players Tournament | ||||
Date | 2009-08-30 | Rating | 2406.16 | |
Round | Color | Result | Opponent | |
1 | White | Win |
|
2104.48 |
2 | White | Win |
|
2010.44 |
3 | Black | Loss |
|
2329.47 |
4 | White | Win |
|
2136.91 |
5 | White | Draw |
|
2202.78 |
6 | Black | Win |
|
2312.69 |
46th Meijinsen Qualification East-Japan area 1st round | ||||
Date | 2008-06-15 | Rating | 2418.96 | |
Round | Color | Result | Opponent | |
3 | Black | Win |
|
2312.23 |
4 | Black | Win |
|
2297.62 |
25th Kanto Shineisen Tournament | ||||
Date | 2008-04-13 | Rating | 2417.59 | |
Round | Color | Result | Opponent | |
1 | White | Win |
|
2042.61 |
2 | Black | Win |
|
2052.04 |
3 | White | Win |
|
2062.01 |
4 | Black | Win |
|
2186.26 |
5 | Black | Draw |
|
2312.75 |
2nd All Japan Championship (WC Qualification) | ||||
Date | 2007-03-25 | Rating | 2398.12 | |
Round | Color | Result | Opponent | |
1 | White | Win |
|
1916.98 |
2 | Black | Loss |
|
2527.21 |
5 | White | Win |
|
2051.09 |
6 | Black | Win |
|
2294.56 |