Koyama Jun, Japan - Renju Rating

JPN Koyama Jun (小山純)

Place: Tokyo, Japan

Rating: 2583.10, Std: 196.76, Rank: 64

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

Top rating: 2642.91 (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 2583.10
Round Color Result Opponent
1 White Win JPN Tomobe Katsuhiro 2134.12
2 White Win JPN Maruta Hiroki 2207.88
3 Black Draw JPN Fujita Maiko 2419.33
4 Black Draw JPN Yokoyama Shota 2456.31
57 Meijinsen Tournament
Date 2019-09-16 Rating 2607.12
Round Color Result Opponent
1 Black Draw JPN Inoue Fumiya 2418.53
2 White Loss JPN Kamiya Shunsuke 2822.90
3 Black Loss JPN Kawamura Norihiko 2667.62
4 White Win JPN Matsuura Hiroshi 2360.86
5 Black Loss JPN Nakayama Tomoharu 2825.15
6 White Loss JPN Kawano Takahisa 2459.10
7 White Loss JPN Hasegawa Kazuto 2612.27
8 White Win JPN Okabe Hiroshi 2724.87
9 Black Win JPN Ishitani Shin-ichi 2384.04
World Championship 2019, AT
Date 2019-08-10 Rating 2613.07
Round Color Result Opponent
1 Black Draw CHN Mei Fan 2704.63
2 Black Win EST Oll Aivo 2741.82
3 Black Win JPN Inoue Fumiya 2422.62
4 Black Win RRA Epifanov Dmitry 2670.86
5 Black Loss JPN Nakayama Tomoharu 2819.58
6 Black Win JPN Okabe Hiroshi 2720.17
7 Black Draw JPN Kamiya Shunsuke 2819.95
8 Black Draw SWE Gardström Petter 2699.02
9 White Loss RRA Fedotov Denis 2680.13
10 White Loss CHN Cao Dong 2781.28
11 Black Loss RRA Sushkov Vladimir 2838.58
World Championship 2019, QT
Date 2019-08-02 Rating 2612.98
Round Color Result Opponent
1 White Win SWE Sandstrom Richard 2372.78
2 White Win CHN Li Xiaoqing 2657.49
3 Black Loss EST Mesila Villem 2664.21
4 Black Win MAC Wai Chan Keong 2784.89
5 Black Draw RRA Fedotov Denis 2682.78
6 White Loss SWE Gardström Petter 2700.69
7 White Win EST Topkin Georg-Romet 2625.89
57 Meijinsen Qualification East Japan area 2nd round
Date 2019-06-23 Rating 2606.71
Round Color Result Opponent
1 Black Win JPN Maruta Hiroki 2187.34
2 Black Win JPN Maruta Koji 2143.01
3 White Win JPN Inoue Fumiya 2426.10
4 Black Win JPN Kusajima Masato 2258.87
5 White Win JPN Ono Takayuki 2399.64
14th All Japan Championship
Date 2019-03-31 Rating 2586.46
Round Color Result Opponent
1 White Loss JPN Fujita Maiko 2289.28
2 Black Win JPN Chigira Makoto 2091.63
3 White Draw JPN Inoue Fumiya 2426.81
4 White Win JPN Ono Takayuki 2398.10
5 Black Loss JPN Nakamura Shigeru 2994.63
6 Black Loss JPN Okabe Hiroshi 2699.45
19 Renju Emperor Tournament Kanto area 1st round
Date 2018-10-21 Rating 2568.84
Round Color Result Opponent
1 Black Win JPN Demachi Koichiro 1925.81
2 White Loss JPN Iwano Fumio 2249.49
3 White Draw JPN Ishitani Shin-ichi 2426.32
4 White Loss JPN Inoue Fumiya 2405.49
56 Meijinsen Tournament
Date 2018-09-17 Rating 2571.73
Round Color Result Opponent
1 Black Win JPN Kuga Akio 2425.99
2 Black Loss JPN Matsuura Hiroshi 2353.19
3 White Win JPN Okabe Hiroshi 2701.23
5 Black Win JPN Kawamura Norihiko 2657.35
6 Black Loss JPN Ishitani Shin-ichi 2429.03
7 Black Loss JPN Kamiya Shunsuke 2798.55
8 White Loss JPN Nakamura Shigeru 2999.32
9 White Win JPN Hasegawa Kazuto 2577.86
35 Kanto Championship
Date 2018-07-16 Rating 2574.69
Round Color Result Opponent
4 Black Loss JPN Sato Kiyotomi 2442.75
5 White Win JPN Iwano Fumio 2250.27
6 White Win JPN Fujikawa Masaki 2102.92
56 Meijinsen Qualification East Japan area 2nd round
Date 2018-06-25 Rating 2576.81
Round Color Result Opponent
1 White Win JPN Kusajima Masato 2307.07
2 Black Win JPN Sato Kiyotomi 2443.39
3 White Loss JPN Ono Takayuki 2391.54
56 Meijinsen Qualification Kanto area 1st round
Date 2018-05-13 Rating 2582.35
Round Color Result Opponent
1 Black Loss JPN Mitsumori Masao 2332.88
2 Black Win JPN Iwano Fumio 2259.57
3 Black Win JPN Maruta Hiroki 2155.59
4 White Win JPN Sato Kiyotomi 2442.69
Team World Championship 2018
Date 2018-05-05 Rating 2583.63
Round Color Result Opponent
1 Black Win EST Lillemaa Argo 2195.70
2 Black Win EST Purk Andry 2634.50
4 White Win RRA Kachaev Denis 2541.17
5 Black Win RRA Nikonov Konstantin 2691.09
6 Black Win CHN Liu Yang 2635.89
7 White Win RRA Lavrik-Karmazin Maksim 2497.85
8 White Draw RRA Artemyev Sergey 2576.31
9 Black Loss CHN Liu Yang 2635.89
10 White Loss EST Purk Andry 2634.50
13th All Japan Championship
Date 2018-01-28 Rating 2579.28
Round Color Result Opponent
1 White Loss JPN Ono Takayuki 2384.55
2 White Loss JPN Ishitani Shin-ichi 2418.29
3 White Loss JPN Miyamoto Syunju 2267.73
5 White Win JPN Sato Kiyotomi 2434.03
6 Black Win JPN Maruta Hiroki 2147.95
18 Kanto Renju Emperor Tournament 2nd round
Date 2017-12-17 Rating 2586.48
Round Color Result Opponent
1 Black Draw JPN Sato Kiyotomi 2436.92
2 Black Win JPN Miyamoto Syunju 2273.51
3 Black Loss JPN Nakamura Shigeru 2960.11
4 Black Loss JPN Okabe Hiroshi 2719.84
5 White Win JPN Kusajima Masato 2303.17
18 Kanto Renju Emperor Tournament 1st round
Date 2017-11-01 Rating 2596.00
Round Color Result Opponent
1 Black Win JPN Koyama Akihiro 1965.52
2 White Draw JPN Okabe Hiroshi 2721.38
3 Black Win JPN Ono Takayuki 2379.46
4 White Win JPN Kusajima Masato 2299.32
World Championship 2017, BT
Date 2017-08-12 Rating 2607.59
Round Color Result Opponent
1 Black Win EST Rahumägi Brenet 2328.90
2 Black Win MAC Sun In 2434.66
3 Black Draw CHN Liu Yang 2671.25
4 Black Win CHN Lan Zhiren 2637.82
5 Black Win TPE Yang Yu-Hsiung 2434.23
6 Black Loss MAC Tang Kai Lam 2771.36
7 Black Win EST Topkin Georg-Romet 2523.68
8 White Win TPE Huang Yen-Hua 2461.84
9 Black Loss JPN Okabe Hiroshi 2720.82
World Championship 2017, QT
Date 2017-08-05 Rating 2607.50
Round Color Result Opponent
1 White Win EST Rahumägi Brenet 2328.75
2 White Win RRA Sushkov Vladimir 2874.36
3 Black Loss CHN Lan Zhiren 2636.95
4 Black Loss CHN Mei Fan 2696.65
5 White Draw JPN Okabe Hiroshi 2720.91
6 Black Win KOR Kim Su Chan 2308.61
7 Black Win TPE Lu Wei-Yuan 2603.36
55 Meijinsen Qualification East Japan area 2nd round
Date 2017-06-11 Rating 2600.93
Round Color Result Opponent
1 Black Win JPN Tomobe Katsuhiro 2163.31
2 White Loss JPN Tamada Yoichi 2539.03
3 White Loss JPN Ono Takayuki 2377.06
4 Black Win JPN Miyamoto Syunju 2270.49
5 Black Loss JPN Sato Kiyotomi 2471.36
12th All Japan Championship
Date 2017-03-26 Rating 2607.52
Round Color Result Opponent
1 Black Win JPN Kusajima Masato 2288.13
2 Black Loss JPN Nakamura Shigeru 2966.54
3 Black Win JPN Ishitani Shin-ichi 2394.94
4 Black Win JPN Nakayama Tomoharu 2794.63
5 Black Loss JPN Kamiya Shunsuke 2789.25
6 White Loss JPN Tachi Masaya 2530.96
20 New Year (Mikami) Cup
Date 2017-01-22 Rating 2612.01
Round Color Result Opponent
S2 Black Win JPN Sato Kiyotomi 2492.56
S3 Black Loss JPN Nakamura Shigeru 2964.84
S4 Black Win JPN Ishitani Shin-ichi 2394.86
S5 Black Loss JPN Okabe Hiroshi 2720.01
17 Kanto Renju Emperor Tournament 1st round
Date 2016-11-23 Rating 2615.67
Round Color Result Opponent
1 Black Win JPN Demachi Koichiro 1933.92
2 Black Loss JPN Okabe Hiroshi 2714.42
3 Black Win JPN Iwano Fumio 2271.06
4 White Win JPN Ishitani Shin-ichi 2401.38
54 Meijinsen Tournament
Date 2016-09-19 Rating 2619.60
Round Color Result Opponent
1 White Win JPN Matsuura Hiroshi 2362.10
2 Black Loss JPN Kamiya Shunsuke 2760.87
3 White Draw JPN Hasegawa Kazuto 2640.33
4 White Draw JPN Iio Yoshihiro 2561.99
5 Black Win JPN Tanaka Toshiki 2445.31
6 Black Draw JPN Nakayama Tomoharu 2778.45
7 Black Draw JPN Maruyama Yasushi 2292.31
8 Black Win JPN Kuga Akio 2369.24
9 White Loss JPN Okabe Hiroshi 2718.91
33 Kanto Championship
Date 2016-07-31 Rating 2623.91
Round Color Result Opponent
1 White Win JPN Kato Yasuhiro 2045.71
2 Black Loss JPN Nakamura Shigeru 2955.85
3 Black Loss JPN Okabe Hiroshi 2723.05
4 Black Win JPN Nakamura Souta 2276.33
5 Black Draw JPN Nakayama Tomoharu 2777.34
6 Black Draw JPN Ishitani Shin-ichi 2388.24
54 Meijinsen Qualification East Japan area 2nd round
Date 2016-06-12 Rating 2630.43
Round Color Result Opponent
1 White Win JPN Kusajima Masato 2268.26
2 Black Win JPN Kamiya Shunsuke 2728.10
3 White Win JPN Tamada Yoichi 2569.89
4 Black Draw JPN Mitsumori Masao 2354.94
5 White Draw JPN Okabe Hiroshi 2725.30
19 Mikami Cup
Date 2016-03-13 Rating 2632.80
Round Color Result Opponent
S1 White Win JPN Ishitani Shin-ichi 2392.77
S2 Black Loss JPN Nakamura Shigeru 2941.73
S3 White Win JPN Kusajima Masato 2265.25
S4 Black Loss JPN Okabe Hiroshi 2721.04
16th Kanto Renju Emperor Tournament Final
Date 2016-02-14 Rating 2634.19
Round Color Result Opponent
1 Black Loss JPN Nakayama Tomoharu 2780.62
2 White Loss JPN Nakayama Tomoharu 2780.62
11th All Japan Championship
Date 2016-01-11 Rating 2638.15
Round Color Result Opponent
1 White Win JPN Maruta Hiroki 2123.76
2 Black Win JPN Nakamura Souta 2303.77
3 Black Win JPN Okabe Hiroshi 2715.91
4 Black Loss JPN Nakayama Tomoharu 2779.01
5 White Loss JPN Sato Kiyotomi 2538.31
6 White Draw JPN Tamada Yoichi 2573.58
16 Kanto Renju Emperor Tournament 2nd round
Date 2015-12-13 Rating 2642.34
Round Color Result Opponent
1 White Win JPN Sato Kiyotomi 2537.88
2 White Win JPN Ono Takayuki 2326.39
3 Black Loss JPN Okabe Hiroshi 2715.55
4 Black Draw JPN Nakayama Tomoharu 2777.17
5 White Win JPN Nakamura Shigeru 2924.75
16 Kanto Renju Emperor Tournament 1st round
Date 2015-11-15 Rating 2642.91
Round Color Result Opponent
1 Black Win JPN Ishitani Shin-ichi 2394.86
2 Black Win JPN Sato Kiyotomi 2534.94
3 Black Win JPN Okabe Hiroshi 2716.40
4 Black Win JPN Ono Takayuki 2327.21
53 Meijinsen Tournament
Date 2015-09-22 Rating 2636.28
Round Color Result Opponent
1 Black Loss JPN Hasegawa Kazuto 2673.57
2 Black Win JPN Oosumi Yuuki 2774.07
3 White Win JPN Ishitani Shin-ichi 2392.98
4 Black Draw JPN Nakayama Tomoharu 2770.16
5 White Loss JPN Kawamura Norihiko 2623.95
6 White Loss JPN Tamada Yoichi 2583.82
7 Black Draw JPN Iio Yoshihiro 2532.56
8 White Win JPN Matsuura Hiroshi 2399.75
9 Black Draw JPN Okabe Hiroshi 2718.61
World Championship 2015, BT
Date 2015-08-12 Rating 2632.59
Round Color Result Opponent
1 White Win CHN Huang Xiuyi 2189.96
2 Black Loss JPN Miyagawa Junzo 2247.50
3 Black Win EST Topkin Georg-Romet 2337.11
4 Black Win TPE Wang Chih-Kung 2340.58
5 Black Loss RRA Sirategyan Karen 2440.80
6 Black Win JPN Ishitani Shin-ichi 2395.51
7 Black Win RRA Lavrik-Karmazin Maksim 2291.70
8 White Win JPN Mano Yoshihisa 2364.84
9 White Draw JPN Nakayama Tomoharu 2766.29
World Championship 2015, QT
Date 2015-08-05 Rating 2632.42
Round Color Result Opponent
1 Black Win EST Topkin Georg-Romet 2335.67
2 Black Win JPN Nakayama Tomoharu 2764.89
3 Black Loss JPN Kamiya Shunsuke 2706.20
4 White Draw CHN Wang Qingqing 2627.45
5 Black Win TPE Huang Yen-Hua 2476.16
6 Black Loss RRA Epifanov Dmitry 2708.44
7 Black Win TPE Lin Liu-Min 2568.99
Kanto Championship
Date 2015-07-20 Rating 2630.70
Round Color Result Opponent
1 White Win JPN Maruta Hiroki 2105.72
2 Black Win JPN Nakamura Shigeru 2906.56
3 Black Draw JPN Okabe Hiroshi 2727.48
4 White Win JPN Iwano Fumio 2252.65
5 Black Loss JPN Nakayama Tomoharu 2764.09
6 Black Win CHN Zhao Jiadong 2137.39
53 Meijinsen Qualification East Japan area 2nd round
Date 2015-06-14 Rating 2623.42
Round Color Result Opponent
1 White Loss JPN Tamada Yoichi 2591.59
2 Black Win JPN Sato Kiyotomi 2507.15
3 White Win JPN Ono Takayuki 2325.52
5 Black Draw JPN Kamiya Shunsuke 2693.00
6 White Win JPN Nakamura Souta 2295.27
53 Meijinsen Qualification East Japan area 1st round
Date 2015-05-10 Rating 2615.66
Round Color Result Opponent
1 Black Win JPN Mitsumori Masao 2326.90
2 Black Win JPN Iwano Fumio 2247.04
3 Black Win JPN Nakamura Souta 2293.48
4 White Loss JPN Kamiya Shunsuke 2687.17
10th All Japan Championship
Date 2015-03-29 Rating 2606.33
Round Color Result Opponent
1 White Win JPN Fujikawa Masaki 2094.44
2 White Loss JPN Kamiya Shunsuke 2676.24
3 Black Win JPN Kato Yasuhiro 2063.76
4 Black Win JPN Mitsumori Masao 2325.35
5 Black Loss JPN Ishitani Shin-ichi 2425.32
6 Black Win JPN Tanizaki Ryusuke 2203.24
12 Kanto Renju Emperor Tournament 1st round
Date 2011-10-23 Rating 2438.49
Round Color Result Opponent
1 Black Loss JPN Oosumi Yuuki 2771.39
2 White Win JPN Suzuki Rin 1991.34
3 White Loss JPN Isobe Taizan 2421.91
4 White Loss JPN Fukui Nobuhiro 2473.06
49 Meijinsen Qualification East-Japan area 1st round
Date 2011-06-12 Rating 2435.92
Round Color Result Opponent
1 Black Loss JPN Isobe Taizan 2408.97
2 Black Win JPN Kudomi Takahiro 2413.52
3 Black Loss JPN Nakayama Tomoharu 2554.20
4 Black Win JPN Ono Takayuki 2396.68
ex Black Loss JPN Nakayama Tomoharu 2554.20
28th Kanto Shineisen Tournament
Date 2011-04-17 Rating 2436.70
Round Color Result Opponent
1 White Win JPN Kon Akira 2007.72
2 Black Win JPN Kamiya Shunsuke 2412.17
3 White Win JPN Ozawa Tetsushi 2092.76
4 White Loss JPN Nakayama Tomoharu 2542.74
5 Black Win JPN Tomobe Katsuhiro 2229.85
5 White Loss JPN Kamiya Shunsuke 2412.17
14th Mikami Cup Tournament
Date 2011-01-30 Rating 2437.69
Round Color Result Opponent
A1 Black Win JPN Kon Akira 2000.32
A2 White Loss JPN Iwano Fumio 2132.01
A3 Black Win JPN Matsuoka Teruo 1989.55
A4 Black Win JPN Kise Katsumi 2521.23
A5 Black Win JPN Isobe Seiji 2024.18
8th Middle-dan Players Tournament
Date 2009-08-30 Rating 2444.64
Round Color Result Opponent
1 White Win JPN Yamamoto Yasuhiro 2148.07
2 White Win JPN Gakumazawa Hideaki 2139.02
3 Black Loss JPN Sato Kiyotomi 2434.26
4 White Win JPN Miyagawa Junzo 2202.42
5 White Draw JPN Maruyama Yasushi 2262.39
6 Black Win JPN Ono Takayuki 2403.10
46th Meijinsen Qualification East-Japan area 2nd round
Date 2008-07-13 Rating 2441.73
Round Color Result Opponent
White Loss JPN Kawamura Norihiko 2656.59
White Loss JPN Sato Kiyotomi 2434.37
White Win JPN Arita Nobuyoshi 2392.80
White Loss JPN Isobe Taizan 2414.69
Black Win JPN Nagao Noriaki 2261.08
46th Meijinsen Qualification East-Japan area 1st round
Date 2008-06-15 Rating 2443.35
Round Color Result Opponent
1 Black Win JPN Sato Kiyotomi 2428.94
2 White Win JPN Tanno Yoshitaka 2121.86
3 Black Win JPN Ono Takayuki 2399.17
4 Black Win JPN Kudomi Takahiro 2339.07
25th Kanto Shineisen Tournament
Date 2008-04-13 Rating 2437.15
Round Color Result Opponent
1 White Win JPN Fujikawa Masaki 2103.88
2 Black Win JPN Watanabe Tatsuya 2156.25
3 White Win JPN Tomobe Katsuhiro 2064.39
4 Black Win JPN Iwano Fumio 2189.18
5 Black Draw JPN Ono Takayuki 2395.46
2nd All Japan Championship (WC Qualification)
Date 2007-03-25 Rating 2376.48
Round Color Result Opponent
1 White Win JPN Kuramoto Hideharu 1888.27
2 Black Loss JPN Yamaguchi Yusui 2649.20
3 Black Loss JPN Iio Yoshihiro 2522.31
4 White Win JPN Maruta Hiroki 2024.60
5 White Win JPN Tanno Yoshitaka 2129.34
6 Black Win JPN Ono Takayuki 2342.72
10th Mikami Cup Tournament, A-class
Date 2007-01-28 Rating 2365.50
Round Color Result Opponent
1 Black Win JPN Matsuoka Teruo 1874.98
2 White Loss JPN Iwano Fumio 2143.50
3 Black Win JPN Maruta Hiroki 2021.37
4 White Win JPN Tomobe Katsuhiro 2055.75
5 Black Win JPN Kobayashi Koichi 2098.79
23rd Kanto Shinei Tournament
Date 2006-09-10 Rating 2342.48
Round Color Result Opponent
1 White Win JPN Maruta Hiroki 2003.26
1 Black Win JPN Teshima Masakatsu 1952.42
2 Black Loss JPN Tanizaki Ryusuke 2126.93
3 Black Win JPN Matsuoka Teruo 1853.90
4 White Win JPN Iwano Fumio 2110.68
5 White Loss JPN Watanabe Tatsuya 2135.35
Meijin-sen Qual, East Japan area 1st round
Date 2006-06-18 Rating 2338.54
Round Color Result Opponent
1 Black Win JPN Maruta Koji 2112.68
2 White Win JPN Mitsumori Masao 2253.13
3 Black Win JPN Kudomi Takahiro 2284.24
4 Black Loss JPN Kamemoto Daichi 2206.89
23rd Kanto Championship
Date 2006-05-21 Rating 2336.19
Round Color Result Opponent
1 White Loss JPN Kawamura Norihiko 2664.09
2 White Win JPN Tanizaki Ryusuke 2113.76
3 Black Win JPN Kudomi Takahiro 2282.65
4 White Win JPN Isobe Taizan 2411.10
5 White Loss JPN Nakamura Shigeru 2846.97
46th Suisei-sen tournament final round
Date 2006-04-16 Rating 2329.10
Round Color Result Opponent
White Win JPN Itami Yoshiyuki 2157.86
White Win JPN Nagao Noriaki 2221.55
White Loss JPN Kato Yasuhiro 2051.65
White Win JPN Hara Masao 2077.85
Black Loss JPN Ono Takayuki 2304.73
1st All Japan Championship
Date 2006-03-26 Rating 2326.14
Round Color Result Opponent
1 Black Win JPN Tadokoro Hosai 1930.66
2 Black Loss JPN Isobe Taizan 2425.34
3 Black Loss JPN Tanizaki Ryusuke 2112.69
4 White Win JPN Itami Yoshiyuki 2160.76
5 Black Win JPN Sato Kiyotomi 2410.52
6 White Win JPN Miyoshi Takeo 2274.84
46th Suisei-sen Tournament - 1st round
Date 2006-03-12 Rating 2323.73
Round Color Result Opponent
1 Black Win JPN Fujikawa Masaki 2029.67
2 White Win JPN Tadokoro Hosai 1930.13
3 White Loss JPN Nagao Noriaki 2223.53
4 White Win JPN Tomobe Katsuhiro 2090.99
9th Mikami Cup - A Class
Date 2006-01-29 Rating 2317.34
Round Color Result Opponent
1 Black Win JPN Iwano Fumio 2074.14
2 White Win JPN Teshima Masakatsu 1957.47
3 White Loss JPN Ono Takayuki 2303.89
4 White Win JPN Nakata Shinsuke 1976.17
5 Black Win JPN Watanabe Tatsuya 2133.75
37th Kyoto Classified - group 1
Date 2005-11-13 Rating 2304.17
Round Color Result Opponent
1 Black Win JPN Ozawa Tetsushi 2015.53
2 White Win JPN Itami Yoshiyuki 2179.76
3 White Loss JPN Oosumi Yuuki 2404.66
4 White Win JPN Hayashi Koji 2005.63
5 Black Win JPN Ono Takayuki 2296.20
6 White Loss JPN Shinoda Kiyoshi 2346.63
6th Kanto Renju Emperor Tournament - Semifinal
Date 2005-10-23 Rating 2299.81
Round Color Result Opponent
White Loss JPN Yamaguchi Yusui 2595.73
White Loss JPN Okabe Hiroshi 2591.64
White Loss JPN Isobe Taizan 2457.78
White Loss JPN Kamemoto Daichi 2180.70
White Win JPN Sato Kiyotomi 2394.66
6th Kanto Renju Emperor Tournament - 1st round
Date 2005-10-22 Rating 2299.67
Round Color Result Opponent
1 White Win JPN Koyama Masayuki 1729.35
2 White Loss JPN Sato Kiyotomi 2394.70
3 White Win JPN Teshima Masakatsu 1957.88
4 Black Win JPN Nakata Shinsuke 1967.97
22nd Kanto Shineisen Tournament
Date 2005-09-11 Rating 2294.39
Round Color Result Opponent
1 Black Win JPN Teshima Masakatsu 1957.89
2 White Win JPN Tadokoro Hosai 1926.89
3 Black Win JPN Tomobe Katsuhiro 2075.27
4 Black Loss JPN Arita Nobuyoshi 2342.85
5 Black Win JPN Kamemoto Daichi 2169.82
43rd Meijinsen Qualification: East Japan 1st round
Date 2005-06-12 Rating 2279.10
Round Color Result Opponent
1 Black Win JPN Maruta Koji 2152.09
2 Black Loss JPN Kudomi Takahiro 2299.54
3 White Loss JPN Arita Nobuyoshi 2324.90
4 White Win JPN Ohno Syunzo 2074.65
22nd Kanto Championship
Date 2005-05-22 Rating 2276.38
Round Color Result Opponent
1 White Win JPN Mitsumori Masao 2266.62
2 White Loss JPN Yamaguchi Yusui 2562.31
3 White Win JPN Kudomi Takahiro 2300.04
4 Black Loss JPN Maruta Koji 2156.74
5 White Loss JPN Sato Kiyotomi 2394.30
45th Suisei-sen Tournament
Date 2005-03-20 Rating 2269.21
Round Color Result Opponent
1 White Win JPN Muramatsu Yasuhiro 1691.48
2 White Win JPN Arita Nobuyoshi 2298.65
3 White Win JPN Sano Hiroyuki 2135.73
4 Black Win JPN Kobayashi Koichi 2093.52
8th Mikami Cup - A Class
Date 2005-01-23 Rating 2255.62
Round Color Result Opponent
1 Black Draw JPN Arita Nobuyoshi 2286.26
2 Black Win JPN Nagumo Natsuhiko 2055.87
3 Black Win JPN Kato Yasuhiro 2024.19
4 White Loss JPN Nagao Noriaki 2243.99
5 Black Win JPN Sato Kiyotomi 2370.50
5th Kanto Renju Emperor Tournament - 1st round
Date 2004-11-28 Rating 2238.07
Round Color Result Opponent
1 White Loss JPN Mitsumori Masao 2248.23
2 Black Loss JPN Tomobe Katsuhiro 2030.94
3 Black Win JPN Mao Richu 1771.84
4 Black Loss JPN Iwano Fumio 2040.62
21st Kanto Shineisen Tournament
Date 2004-09-12 Rating 2230.59
Round Color Result Opponent
1 White Win JPN Shibata Satoru 1709.89
2 Black Loss JPN Sato Kiyotomi 2365.92
3 Black Win JPN Sato Takuma 2169.44
4 White Draw JPN Tashiro Yuichi 2288.09
5 Black Win JPN Hara Masao 2070.57
7th Mikami Cup - A class
Date 2004-01-25 Rating 2194.99
Round Color Result Opponent
4 Black Win JPN Kawabe Tatsuya 1879.59
5 Black Win JPN Itami Yoshiyuki 2148.96
20th Kanto Shineisen Tournament
Date 2003-09-21 Rating 2167.53
Round Color Result Opponent
1 White Loss JPN Kato Yasuhiro 2047.05
2 White Win JPN Maruta Hiroki 1934.91
3 White Loss JPN Sato Takuma 2137.33
4 White Win JPN Sasaki Miyu 1937.74
5 White Loss JPN Itami Yoshiyuki 2151.98