Koyama Jun, Japan - Renju Rating

JPN Koyama Jun (小山純)

Place: Tokyo, Japan

Rating: 2578.32, Std: 186.95, Rank: 65

First game: 2003-09-21, Last game: 2022-05-22

Top rating: 2641.10 (2015-11-15)

Games: 349, Wins: 200, Draws: 35, Losses: 114

Gy1: 0, Gy2: 0, Gy5: 4

60th Meijinsen Qualification Kanto area 1st round
Date 2022-05-22 Rating 2578.32
Round Color Result Opponent
1 White Win JPN Tomobe Katsuhiro 2112.04
2 White Win JPN Maruta Hiroki 2198.18
3 Black Draw JPN Fujita Maiko 2409.35
4 Black Draw JPN Yokoyama Shota 2444.00
57 Meijinsen Tournament
Date 2019-09-16 Rating 2604.98
Round Color Result Opponent
1 Black Draw JPN Inoue Fumiya 2415.07
2 White Loss JPN Kamiya Shunsuke 2820.63
3 Black Loss JPN Kawamura Norihiko 2680.95
4 White Win JPN Matsuura Hiroshi 2366.70
5 Black Loss JPN Nakayama Tomoharu 2822.86
6 White Loss JPN Kawano Takahisa 2453.49
7 White Loss JPN Hasegawa Kazuto 2611.87
8 White Win JPN Okabe Hiroshi 2722.56
9 Black Win JPN Ishitani Shin-ichi 2380.62
World Championship 2019, AT
Date 2019-08-10 Rating 2610.93
Round Color Result Opponent
1 Black Draw CHN Mei Fan 2700.98
2 Black Win EST Oll Aivo 2742.37
3 Black Win JPN Inoue Fumiya 2419.18
4 Black Win RRA Epifanov Dmitry 2668.62
5 Black Loss JPN Nakayama Tomoharu 2817.32
6 Black Win JPN Okabe Hiroshi 2717.86
7 Black Draw JPN Kamiya Shunsuke 2817.71
8 Black Draw SWE Gardström Petter 2698.68
9 White Loss RRA Fedotov Denis 2679.12
10 White Loss CHN Cao Dong 2777.56
11 Black Loss RRA Sushkov Vladimir 2838.04
World Championship 2019, QT
Date 2019-08-02 Rating 2610.84
Round Color Result Opponent
1 White Win SWE Sandstrom Richard 2371.31
2 White Win CHN Li Xiaoqing 2653.96
3 Black Loss EST Mesila Villem 2664.25
4 Black Win MAC Wai Chan Keong 2781.63
5 Black Draw RRA Fedotov Denis 2681.74
6 White Loss SWE Gardström Petter 2700.33
7 White Win EST Topkin Georg-Romet 2624.91
57 Meijinsen Qualification East Japan area 2nd round
Date 2019-06-23 Rating 2604.53
Round Color Result Opponent
1 Black Win JPN Maruta Hiroki 2183.00
2 Black Win JPN Maruta Koji 2137.79
3 White Win JPN Inoue Fumiya 2422.65
4 Black Win JPN Kusajima Masato 2257.03
5 White Win JPN Ono Takayuki 2395.59
14th All Japan Championship
Date 2019-03-31 Rating 2584.25
Round Color Result Opponent
1 White Loss JPN Fujita Maiko 2285.37
2 Black Win JPN Chigira Makoto 2089.26
3 White Draw JPN Inoue Fumiya 2423.36
4 White Win JPN Ono Takayuki 2394.30
5 Black Loss JPN Nakamura Shigeru 2992.16
6 Black Loss JPN Okabe Hiroshi 2697.15
19 Renju Emperor Tournament Kanto area 1st round
Date 2018-10-21 Rating 2566.65
Round Color Result Opponent
1 Black Win JPN Demachi Koichiro 1922.28
2 White Loss JPN Iwano Fumio 2245.48
3 White Draw JPN Ishitani Shin-ichi 2423.50
4 White Loss JPN Inoue Fumiya 2402.09
56 Meijinsen Tournament
Date 2018-09-17 Rating 2569.56
Round Color Result Opponent
1 Black Win JPN Kuga Akio 2418.80
2 Black Loss JPN Matsuura Hiroshi 2355.66
3 White Win JPN Okabe Hiroshi 2699.06
5 Black Win JPN Kawamura Norihiko 2662.52
6 Black Loss JPN Ishitani Shin-ichi 2426.29
7 Black Loss JPN Kamiya Shunsuke 2796.45
8 White Loss JPN Nakamura Shigeru 2997.01
9 White Win JPN Hasegawa Kazuto 2576.84
35 Kanto Championship
Date 2018-07-16 Rating 2572.48
Round Color Result Opponent
4 Black Loss JPN Sato Kiyotomi 2440.28
5 White Win JPN Iwano Fumio 2246.47
6 White Win JPN Fujikawa Masaki 2098.42
56 Meijinsen Qualification East Japan area 2nd round
Date 2018-06-25 Rating 2574.59
Round Color Result Opponent
1 White Win JPN Kusajima Masato 2305.25
2 Black Win JPN Sato Kiyotomi 2440.93
3 White Loss JPN Ono Takayuki 2388.39
56 Meijinsen Qualification Kanto area 1st round
Date 2018-05-13 Rating 2580.13
Round Color Result Opponent
1 Black Loss JPN Mitsumori Masao 2330.11
2 Black Win JPN Iwano Fumio 2255.90
3 Black Win JPN Maruta Hiroki 2152.05
4 White Win JPN Sato Kiyotomi 2440.25
Team World Championship 2018
Date 2018-05-05 Rating 2581.41
Round Color Result Opponent
1 Black Win EST Lillemaa Argo 2194.25
2 Black Win EST Purk Andry 2632.71
4 White Win RRA Kachaev Denis 2539.45
5 Black Win RRA Nikonov Konstantin 2689.24
6 Black Win CHN Liu Yang 2632.98
7 White Win RRA Lavrik-Karmazin Maksim 2496.14
8 White Draw RRA Artemyev Sergey 2573.63
9 Black Loss CHN Liu Yang 2632.98
10 White Loss EST Purk Andry 2632.71
13th All Japan Championship
Date 2018-01-28 Rating 2577.05
Round Color Result Opponent
1 White Loss JPN Ono Takayuki 2381.68
2 White Loss JPN Ishitani Shin-ichi 2415.79
3 White Loss JPN Miyamoto Syunju 2266.31
5 White Win JPN Sato Kiyotomi 2431.66
6 Black Win JPN Maruta Hiroki 2144.57
18 Kanto Renju Emperor Tournament 2nd round
Date 2017-12-17 Rating 2584.26
Round Color Result Opponent
1 Black Draw JPN Sato Kiyotomi 2434.57
2 Black Win JPN Miyamoto Syunju 2272.13
3 Black Loss JPN Nakamura Shigeru 2957.89
4 Black Loss JPN Okabe Hiroshi 2717.69
5 White Win JPN Kusajima Masato 2301.45
18 Kanto Renju Emperor Tournament 1st round
Date 2017-11-01 Rating 2593.78
Round Color Result Opponent
1 Black Win JPN Koyama Akihiro 1962.53
2 White Draw JPN Okabe Hiroshi 2719.22
3 Black Win JPN Ono Takayuki 2376.73
4 White Win JPN Kusajima Masato 2297.62
World Championship 2017, BT
Date 2017-08-12 Rating 2605.37
Round Color Result Opponent
1 Black Win EST Rahumägi Brenet 2327.45
2 Black Win MAC Sun In 2431.19
3 Black Draw CHN Liu Yang 2668.70
4 Black Win CHN Lan Zhiren 2635.27
5 Black Win TPE Yang Yu-Hsiung 2429.32
6 Black Loss MAC Tang Kai Lam 2769.39
7 Black Win EST Topkin Georg-Romet 2522.22
8 White Win TPE Huang Yen-Hua 2459.16
9 Black Loss JPN Okabe Hiroshi 2718.66
World Championship 2017, QT
Date 2017-08-05 Rating 2605.28
Round Color Result Opponent
1 White Win EST Rahumägi Brenet 2327.30
2 White Win RRA Sushkov Vladimir 2872.78
3 Black Loss CHN Lan Zhiren 2634.41
4 Black Loss CHN Mei Fan 2693.98
5 White Draw JPN Okabe Hiroshi 2718.76
6 Black Win KOR Kim Su Chan 2306.42
7 Black Win TPE Lu Wei-Yuan 2600.77
55 Meijinsen Qualification East Japan area 2nd round
Date 2017-06-11 Rating 2598.74
Round Color Result Opponent
1 Black Win JPN Tomobe Katsuhiro 2159.62
2 White Loss JPN Tamada Yoichi 2536.70
3 White Loss JPN Ono Takayuki 2374.50
4 Black Win JPN Miyamoto Syunju 2269.16
5 Black Loss JPN Sato Kiyotomi 2469.06
12th All Japan Championship
Date 2017-03-26 Rating 2605.38
Round Color Result Opponent
1 Black Win JPN Kusajima Masato 2286.53
2 Black Loss JPN Nakamura Shigeru 2964.41
3 Black Win JPN Ishitani Shin-ichi 2392.71
4 Black Win JPN Nakayama Tomoharu 2792.53
5 Black Loss JPN Kamiya Shunsuke 2787.17
6 White Loss JPN Tachi Masaya 2529.33
20 New Year (Mikami) Cup
Date 2017-01-22 Rating 2609.89
Round Color Result Opponent
S2 Black Win JPN Sato Kiyotomi 2490.29
S3 Black Loss JPN Nakamura Shigeru 2962.73
S4 Black Win JPN Ishitani Shin-ichi 2392.67
S5 Black Loss JPN Okabe Hiroshi 2717.96
17 Kanto Renju Emperor Tournament 1st round
Date 2016-11-23 Rating 2613.58
Round Color Result Opponent
1 Black Win JPN Demachi Koichiro 1931.06
2 Black Loss JPN Okabe Hiroshi 2712.41
3 Black Win JPN Iwano Fumio 2268.23
4 White Win JPN Ishitani Shin-ichi 2399.24
54 Meijinsen Tournament
Date 2016-09-19 Rating 2617.55
Round Color Result Opponent
1 White Win JPN Matsuura Hiroshi 2361.53
2 Black Loss JPN Kamiya Shunsuke 2758.88
3 White Draw JPN Hasegawa Kazuto 2638.72
4 White Draw JPN Iio Yoshihiro 2560.26
5 Black Win JPN Tanaka Toshiki 2442.47
6 Black Draw JPN Nakayama Tomoharu 2776.46
7 Black Draw JPN Maruyama Yasushi 2289.96
8 Black Win JPN Kuga Akio 2363.12
9 White Loss JPN Okabe Hiroshi 2716.92
33 Kanto Championship
Date 2016-07-31 Rating 2621.89
Round Color Result Opponent
1 White Win JPN Kato Yasuhiro 2042.23
2 Black Loss JPN Nakamura Shigeru 2953.82
3 Black Loss JPN Okabe Hiroshi 2721.10
4 Black Win JPN Nakamura Souta 2273.89
5 Black Draw JPN Nakayama Tomoharu 2775.38
6 Black Draw JPN Ishitani Shin-ichi 2386.26
54 Meijinsen Qualification East Japan area 2nd round
Date 2016-06-12 Rating 2628.46
Round Color Result Opponent
1 White Win JPN Kusajima Masato 2266.71
2 Black Win JPN Kamiya Shunsuke 2726.16
3 White Win JPN Tamada Yoichi 2567.86
4 Black Draw JPN Mitsumori Masao 2352.74
5 White Draw JPN Okabe Hiroshi 2723.38
19 Mikami Cup
Date 2016-03-13 Rating 2630.90
Round Color Result Opponent
S1 White Win JPN Ishitani Shin-ichi 2391.01
S2 Black Loss JPN Nakamura Shigeru 2939.75
S3 White Win JPN Kusajima Masato 2263.72
S4 Black Loss JPN Okabe Hiroshi 2719.18
16th Kanto Renju Emperor Tournament Final
Date 2016-02-14 Rating 2632.31
Round Color Result Opponent
1 Black Loss JPN Nakayama Tomoharu 2778.79
2 White Loss JPN Nakayama Tomoharu 2778.79
11th All Japan Championship
Date 2016-01-11 Rating 2636.29
Round Color Result Opponent
1 White Win JPN Maruta Hiroki 2121.36
2 Black Win JPN Nakamura Souta 2301.43
3 Black Win JPN Okabe Hiroshi 2714.09
4 Black Loss JPN Nakayama Tomoharu 2777.20
5 White Loss JPN Sato Kiyotomi 2536.10
6 White Draw JPN Tamada Yoichi 2571.66
16 Kanto Renju Emperor Tournament 2nd round
Date 2015-12-13 Rating 2640.51
Round Color Result Opponent
1 White Win JPN Sato Kiyotomi 2535.70
2 White Win JPN Ono Takayuki 2324.31
3 Black Loss JPN Okabe Hiroshi 2713.75
4 Black Draw JPN Nakayama Tomoharu 2775.39
5 White Win JPN Nakamura Shigeru 2922.81
16 Kanto Renju Emperor Tournament 1st round
Date 2015-11-15 Rating 2641.10
Round Color Result Opponent
1 Black Win JPN Ishitani Shin-ichi 2393.30
2 Black Win JPN Sato Kiyotomi 2532.79
3 Black Win JPN Okabe Hiroshi 2714.63
4 Black Win JPN Ono Takayuki 2325.16
53 Meijinsen Tournament
Date 2015-09-22 Rating 2634.53
Round Color Result Opponent
1 Black Loss JPN Hasegawa Kazuto 2671.98
2 Black Win JPN Oosumi Yuuki 2772.46
3 White Win JPN Ishitani Shin-ichi 2391.52
4 Black Draw JPN Nakayama Tomoharu 2768.45
5 White Loss JPN Kawamura Norihiko 2623.17
6 White Loss JPN Tamada Yoichi 2581.98
7 Black Draw JPN Iio Yoshihiro 2530.96
8 White Win JPN Matsuura Hiroshi 2398.87
9 Black Draw JPN Okabe Hiroshi 2716.87
World Championship 2015, BT
Date 2015-08-12 Rating 2630.86
Round Color Result Opponent
1 White Win CHN Huang Xiuyi 2188.11
2 Black Loss JPN Miyagawa Junzo 2245.97
3 Black Win EST Topkin Georg-Romet 2336.17
4 Black Win TPE Wang Chih-Kung 2340.52
5 Black Loss RRA Sirategyan Karen 2439.45
6 Black Win JPN Ishitani Shin-ichi 2394.14
7 Black Win RRA Lavrik-Karmazin Maksim 2290.49
8 White Win JPN Mano Yoshihisa 2363.35
9 White Draw JPN Nakayama Tomoharu 2764.61
World Championship 2015, QT
Date 2015-08-05 Rating 2630.69
Round Color Result Opponent
1 Black Win EST Topkin Georg-Romet 2334.73
2 Black Win JPN Nakayama Tomoharu 2763.21
3 Black Loss JPN Kamiya Shunsuke 2704.47
4 White Draw CHN Wang Qingqing 2626.11
5 Black Win TPE Huang Yen-Hua 2474.39
6 Black Loss RRA Epifanov Dmitry 2707.27
7 Black Win TPE Lin Liu-Min 2567.29
Kanto Championship
Date 2015-07-20 Rating 2628.97
Round Color Result Opponent
1 White Win JPN Maruta Hiroki 2103.48
2 Black Win JPN Nakamura Shigeru 2904.72
3 Black Draw JPN Okabe Hiroshi 2725.76
4 White Win JPN Iwano Fumio 2250.38
5 Black Loss JPN Nakayama Tomoharu 2762.41
6 Black Win CHN Zhao Jiadong 2135.76
53 Meijinsen Qualification East Japan area 2nd round
Date 2015-06-14 Rating 2621.69
Round Color Result Opponent
1 White Loss JPN Tamada Yoichi 2589.78
2 Black Win JPN Sato Kiyotomi 2505.15
3 White Win JPN Ono Takayuki 2323.58
5 Black Draw JPN Kamiya Shunsuke 2691.27
6 White Win JPN Nakamura Souta 2293.15
53 Meijinsen Qualification East Japan area 1st round
Date 2015-05-10 Rating 2613.94
Round Color Result Opponent
1 Black Win JPN Mitsumori Masao 2324.98
2 Black Win JPN Iwano Fumio 2244.85
3 Black Win JPN Nakamura Souta 2291.39
4 White Loss JPN Kamiya Shunsuke 2685.44
10th All Japan Championship
Date 2015-03-29 Rating 2604.63
Round Color Result Opponent
1 White Win JPN Fujikawa Masaki 2092.23
2 White Loss JPN Kamiya Shunsuke 2674.52
3 Black Win JPN Kato Yasuhiro 2061.47
4 Black Win JPN Mitsumori Masao 2323.47
5 Black Loss JPN Ishitani Shin-ichi 2423.83
6 Black Win JPN Tanizaki Ryusuke 2200.97
12 Kanto Renju Emperor Tournament 1st round
Date 2011-10-23 Rating 2437.15
Round Color Result Opponent
1 Black Loss JPN Oosumi Yuuki 2770.16
2 White Win JPN Suzuki Rin 1990.05
3 White Loss JPN Isobe Taizan 2420.59
4 White Loss JPN Fukui Nobuhiro 2471.63
49 Meijinsen Qualification East-Japan area 1st round
Date 2011-06-12 Rating 2434.62
Round Color Result Opponent
1 Black Loss JPN Isobe Taizan 2407.69
2 Black Win JPN Kudomi Takahiro 2412.26
3 Black Loss JPN Nakayama Tomoharu 2552.87
4 Black Win JPN Ono Takayuki 2395.45
ex Black Loss JPN Nakayama Tomoharu 2552.87
28th Kanto Shineisen Tournament
Date 2011-04-17 Rating 2435.42
Round Color Result Opponent
1 White Win JPN Kon Akira 2006.44
2 Black Win JPN Kamiya Shunsuke 2410.93
3 White Win JPN Ozawa Tetsushi 2091.46
4 White Loss JPN Nakayama Tomoharu 2541.42
5 Black Win JPN Tomobe Katsuhiro 2228.57
5 White Loss JPN Kamiya Shunsuke 2410.93
14th Mikami Cup Tournament
Date 2011-01-30 Rating 2436.42
Round Color Result Opponent
A1 Black Win JPN Kon Akira 1999.06
A2 White Loss JPN Iwano Fumio 2130.76
A3 Black Win JPN Matsuoka Teruo 1988.38
A4 Black Win JPN Kise Katsumi 2519.86
A5 Black Win JPN Isobe Seiji 2023.12
8th Middle-dan Players Tournament
Date 2009-08-30 Rating 2443.51
Round Color Result Opponent
1 White Win JPN Yamamoto Yasuhiro 2147.00
2 White Win JPN Gakumazawa Hideaki 2138.11
3 Black Loss JPN Sato Kiyotomi 2433.03
4 White Win JPN Miyagawa Junzo 2201.38
5 White Draw JPN Maruyama Yasushi 2261.32
6 Black Win JPN Ono Takayuki 2402.17
46th Meijinsen Qualification East-Japan area 2nd round
Date 2008-07-13 Rating 2440.69
Round Color Result Opponent
White Loss JPN Kawamura Norihiko 2655.45
White Loss JPN Sato Kiyotomi 2433.25
White Win JPN Arita Nobuyoshi 2391.78
White Loss JPN Isobe Taizan 2413.62
Black Win JPN Nagao Noriaki 2260.09
46th Meijinsen Qualification East-Japan area 1st round
Date 2008-06-15 Rating 2442.32
Round Color Result Opponent
1 Black Win JPN Sato Kiyotomi 2427.82
2 White Win JPN Tanno Yoshitaka 2120.96
3 Black Win JPN Ono Takayuki 2398.25
4 Black Win JPN Kudomi Takahiro 2338.06
25th Kanto Shineisen Tournament
Date 2008-04-13 Rating 2436.13
Round Color Result Opponent
1 White Win JPN Fujikawa Masaki 2102.95
2 Black Win JPN Watanabe Tatsuya 2155.34
3 White Win JPN Tomobe Katsuhiro 2063.48
4 Black Win JPN Iwano Fumio 2188.24
5 Black Draw JPN Ono Takayuki 2394.53
2nd All Japan Championship (WC Qualification)
Date 2007-03-25 Rating 2375.52
Round Color Result Opponent
1 White Win JPN Kuramoto Hideharu 1887.42
2 Black Loss JPN Yamaguchi Yusui 2647.69
3 Black Loss JPN Iio Yoshihiro 2520.81
4 White Win JPN Maruta Hiroki 2023.78
5 White Win JPN Tanno Yoshitaka 2128.49
6 Black Win JPN Ono Takayuki 2341.81
10th Mikami Cup Tournament, A-class
Date 2007-01-28 Rating 2364.56
Round Color Result Opponent
1 Black Win JPN Matsuoka Teruo 1874.11
2 White Loss JPN Iwano Fumio 2142.63
3 Black Win JPN Maruta Hiroki 2020.55
4 White Win JPN Tomobe Katsuhiro 2054.93
5 Black Win JPN Kobayashi Koichi 2097.94
23rd Kanto Shinei Tournament
Date 2006-09-10 Rating 2341.57
Round Color Result Opponent
1 White Win JPN Maruta Hiroki 2002.46
1 Black Win JPN Teshima Masakatsu 1951.64
2 Black Loss JPN Tanizaki Ryusuke 2126.12
3 Black Win JPN Matsuoka Teruo 1853.05
4 White Win JPN Iwano Fumio 2109.82
5 White Loss JPN Watanabe Tatsuya 2134.52
Meijin-sen Qual, East Japan area 1st round
Date 2006-06-18 Rating 2337.65
Round Color Result Opponent
1 Black Win JPN Maruta Koji 2111.81
2 White Win JPN Mitsumori Masao 2252.29
3 Black Win JPN Kudomi Takahiro 2283.33
4 Black Loss JPN Kamemoto Daichi 2206.06
23rd Kanto Championship
Date 2006-05-21 Rating 2335.30
Round Color Result Opponent
1 White Loss JPN Kawamura Norihiko 2662.98
2 White Win JPN Tanizaki Ryusuke 2112.95
3 Black Win JPN Kudomi Takahiro 2281.75
4 White Win JPN Isobe Taizan 2410.15
5 White Loss JPN Nakamura Shigeru 2845.81
46th Suisei-sen tournament final round
Date 2006-04-16 Rating 2328.22
Round Color Result Opponent
White Win JPN Itami Yoshiyuki 2157.03
White Win JPN Nagao Noriaki 2220.65
White Loss JPN Kato Yasuhiro 2050.83
White Win JPN Hara Masao 2077.02
Black Loss JPN Ono Takayuki 2303.86
1st All Japan Championship
Date 2006-03-26 Rating 2325.26
Round Color Result Opponent
1 Black Win JPN Tadokoro Hosai 1929.84
2 Black Loss JPN Isobe Taizan 2424.40
3 Black Loss JPN Tanizaki Ryusuke 2111.88
4 White Win JPN Itami Yoshiyuki 2159.93
5 Black Win JPN Sato Kiyotomi 2409.55
6 White Win JPN Miyoshi Takeo 2273.88
46th Suisei-sen Tournament - 1st round
Date 2006-03-12 Rating 2322.85
Round Color Result Opponent
1 Black Win JPN Fujikawa Masaki 2028.89
2 White Win JPN Tadokoro Hosai 1929.31
3 White Loss JPN Nagao Noriaki 2222.63
4 White Win JPN Tomobe Katsuhiro 2090.19
9th Mikami Cup - A Class
Date 2006-01-29 Rating 2316.47
Round Color Result Opponent
1 Black Win JPN Iwano Fumio 2073.31
2 White Win JPN Teshima Masakatsu 1956.71
3 White Loss JPN Ono Takayuki 2303.03
4 White Win JPN Nakata Shinsuke 1975.43
5 Black Win JPN Watanabe Tatsuya 2132.95
37th Kyoto Classified - group 1
Date 2005-11-13 Rating 2303.31
Round Color Result Opponent
1 Black Win JPN Ozawa Tetsushi 2014.78
2 White Win JPN Itami Yoshiyuki 2178.94
3 White Loss JPN Oosumi Yuuki 2403.79
4 White Win JPN Hayashi Koji 2004.94
5 Black Win JPN Ono Takayuki 2295.36
6 White Loss JPN Shinoda Kiyoshi 2345.76
6th Kanto Renju Emperor Tournament - Semifinal
Date 2005-10-23 Rating 2298.96
Round Color Result Opponent
White Loss JPN Yamaguchi Yusui 2594.77
White Loss JPN Okabe Hiroshi 2590.75
White Loss JPN Isobe Taizan 2456.87
White Loss JPN Kamemoto Daichi 2179.88
White Win JPN Sato Kiyotomi 2393.73
6th Kanto Renju Emperor Tournament - 1st round
Date 2005-10-22 Rating 2298.82
Round Color Result Opponent
1 White Win JPN Koyama Masayuki 1728.63
2 White Loss JPN Sato Kiyotomi 2393.77
3 White Win JPN Teshima Masakatsu 1957.14
4 Black Win JPN Nakata Shinsuke 1967.23
22nd Kanto Shineisen Tournament
Date 2005-09-11 Rating 2293.54
Round Color Result Opponent
1 Black Win JPN Teshima Masakatsu 1957.16
2 White Win JPN Tadokoro Hosai 1926.08
3 Black Win JPN Tomobe Katsuhiro 2074.48
4 Black Loss JPN Arita Nobuyoshi 2341.99
5 Black Win JPN Kamemoto Daichi 2169.00
43rd Meijinsen Qualification: East Japan 1st round
Date 2005-06-12 Rating 2278.26
Round Color Result Opponent
1 Black Win JPN Maruta Koji 2151.23
2 Black Loss JPN Kudomi Takahiro 2298.66
3 White Loss JPN Arita Nobuyoshi 2324.05
4 White Win JPN Ohno Syunzo 2073.88
22nd Kanto Championship
Date 2005-05-22 Rating 2275.54
Round Color Result Opponent
1 White Win JPN Mitsumori Masao 2265.84
2 White Loss JPN Yamaguchi Yusui 2561.41
3 White Win JPN Kudomi Takahiro 2299.15
4 Black Loss JPN Maruta Koji 2155.89
5 White Loss JPN Sato Kiyotomi 2393.41
45th Suisei-sen Tournament
Date 2005-03-20 Rating 2268.38
Round Color Result Opponent
1 White Win JPN Muramatsu Yasuhiro 1690.93
2 White Win JPN Arita Nobuyoshi 2297.80
3 White Win JPN Sano Hiroyuki 2134.52
4 Black Win JPN Kobayashi Koichi 2092.77
8th Mikami Cup - A Class
Date 2005-01-23 Rating 2254.80
Round Color Result Opponent
1 Black Draw JPN Arita Nobuyoshi 2285.42
2 Black Win JPN Nagumo Natsuhiko 2055.31
3 Black Win JPN Kato Yasuhiro 2023.41
4 White Loss JPN Nagao Noriaki 2243.08
5 Black Win JPN Sato Kiyotomi 2369.62
5th Kanto Renju Emperor Tournament - 1st round
Date 2004-11-28 Rating 2237.26
Round Color Result Opponent
1 White Loss JPN Mitsumori Masao 2247.42
2 Black Loss JPN Tomobe Katsuhiro 2030.18
3 Black Win JPN Mao Richu 1771.54
4 Black Loss JPN Iwano Fumio 2039.83
21st Kanto Shineisen Tournament
Date 2004-09-12 Rating 2229.79
Round Color Result Opponent
1 White Win JPN Shibata Satoru 1708.55
2 Black Loss JPN Sato Kiyotomi 2365.04
3 Black Win JPN Sato Takuma 2168.63
4 White Draw JPN Tashiro Yuichi 2287.23
5 Black Win JPN Hara Masao 2069.75
7th Mikami Cup - A class
Date 2004-01-25 Rating 2194.22
Round Color Result Opponent
4 Black Win JPN Kawabe Tatsuya 1879.02
5 Black Win JPN Itami Yoshiyuki 2148.18
20th Kanto Shineisen Tournament
Date 2003-09-21 Rating 2166.78
Round Color Result Opponent
1 White Loss JPN Kato Yasuhiro 2046.29
2 White Win JPN Maruta Hiroki 1934.27
3 White Loss JPN Sato Takuma 2136.54
4 White Win JPN Sasaki Miyu 1937.09
5 White Loss JPN Itami Yoshiyuki 2151.21