Koyama Jun, Japan - Renju Rating

JPN Koyama Jun (小山純)

Place: Tokyo, Japan

Rating: 2583.68, Std: 195.68, Rank: 64

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

Top rating: 2643.67 (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 2583.68
Round Color Result Opponent
1 White Win JPN Tomobe Katsuhiro 2133.39
2 White Win JPN Maruta Hiroki 2207.09
3 Black Draw JPN Fujita Maiko 2418.73
4 Black Draw JPN Yokoyama Shota 2455.49
57 Meijinsen Tournament
Date 2019-09-16 Rating 2608.18
Round Color Result Opponent
1 Black Draw JPN Inoue Fumiya 2418.83
2 White Loss JPN Kamiya Shunsuke 2823.55
3 Black Loss JPN Kawamura Norihiko 2667.74
4 White Win JPN Matsuura Hiroshi 2361.22
5 Black Loss JPN Nakayama Tomoharu 2826.05
6 White Loss JPN Kawano Takahisa 2459.44
7 White Loss JPN Hasegawa Kazuto 2612.46
8 White Win JPN Okabe Hiroshi 2725.49
9 Black Win JPN Ishitani Shin-ichi 2384.16
World Championship 2019, AT
Date 2019-08-10 Rating 2614.17
Round Color Result Opponent
1 Black Draw CHN Mei Fan 2705.33
2 Black Win EST Oll Aivo 2744.98
3 Black Win JPN Inoue Fumiya 2422.95
4 Black Win RRA Epifanov Dmitry 2673.05
5 Black Loss JPN Nakayama Tomoharu 2820.56
6 Black Win JPN Okabe Hiroshi 2720.85
7 Black Draw JPN Kamiya Shunsuke 2820.67
8 Black Draw SWE Gardström Petter 2702.63
9 White Loss RRA Fedotov Denis 2682.31
10 White Loss CHN Cao Dong 2782.11
11 Black Loss RRA Sushkov Vladimir 2841.43
World Championship 2019, QT
Date 2019-08-02 Rating 2614.08
Round Color Result Opponent
1 White Win SWE Sandstrom Richard 2376.62
2 White Win CHN Li Xiaoqing 2658.49
3 Black Loss EST Mesila Villem 2667.89
4 Black Win MAC Wai Chan Keong 2786.72
5 Black Draw RRA Fedotov Denis 2684.97
6 White Loss SWE Gardström Petter 2704.28
7 White Win EST Topkin Georg-Romet 2629.31
57 Meijinsen Qualification East Japan area 2nd round
Date 2019-06-23 Rating 2607.76
Round Color Result Opponent
1 Black Win JPN Maruta Hiroki 2187.42
2 Black Win JPN Maruta Koji 2143.00
3 White Win JPN Inoue Fumiya 2426.43
4 Black Win JPN Kusajima Masato 2258.89
5 White Win JPN Ono Takayuki 2399.81
14th All Japan Championship
Date 2019-03-31 Rating 2587.44
Round Color Result Opponent
1 White Loss JPN Fujita Maiko 2289.55
2 Black Win JPN Chigira Makoto 2091.93
3 White Draw JPN Inoue Fumiya 2427.14
4 White Win JPN Ono Takayuki 2398.31
5 Black Loss JPN Nakamura Shigeru 2995.25
6 Black Loss JPN Okabe Hiroshi 2700.15
19 Renju Emperor Tournament Kanto area 1st round
Date 2018-10-21 Rating 2569.70
Round Color Result Opponent
1 Black Win JPN Demachi Koichiro 1925.99
2 White Loss JPN Iwano Fumio 2249.65
3 White Draw JPN Ishitani Shin-ichi 2426.63
4 White Loss JPN Inoue Fumiya 2405.82
56 Meijinsen Tournament
Date 2018-09-17 Rating 2572.59
Round Color Result Opponent
1 Black Win JPN Kuga Akio 2426.31
2 Black Loss JPN Matsuura Hiroshi 2353.62
3 White Win JPN Okabe Hiroshi 2702.00
5 Black Win JPN Kawamura Norihiko 2657.71
6 Black Loss JPN Ishitani Shin-ichi 2429.37
7 Black Loss JPN Kamiya Shunsuke 2799.30
8 White Loss JPN Nakamura Shigeru 3000.02
9 White Win JPN Hasegawa Kazuto 2578.24
35 Kanto Championship
Date 2018-07-16 Rating 2575.54
Round Color Result Opponent
4 Black Loss JPN Sato Kiyotomi 2443.26
5 White Win JPN Iwano Fumio 2250.47
6 White Win JPN Fujikawa Masaki 2103.05
56 Meijinsen Qualification East Japan area 2nd round
Date 2018-06-25 Rating 2577.66
Round Color Result Opponent
1 White Win JPN Kusajima Masato 2307.27
2 Black Win JPN Sato Kiyotomi 2443.90
3 White Loss JPN Ono Takayuki 2391.89
56 Meijinsen Qualification Kanto area 1st round
Date 2018-05-13 Rating 2583.21
Round Color Result Opponent
1 Black Loss JPN Mitsumori Masao 2333.30
2 Black Win JPN Iwano Fumio 2259.80
3 Black Win JPN Maruta Hiroki 2155.82
4 White Win JPN Sato Kiyotomi 2443.20
Team World Championship 2018
Date 2018-05-05 Rating 2584.49
Round Color Result Opponent
1 Black Win EST Lillemaa Argo 2197.80
2 Black Win EST Purk Andry 2635.47
4 White Win RRA Kachaev Denis 2543.11
5 Black Win RRA Nikonov Konstantin 2693.08
6 Black Win CHN Liu Yang 2636.80
7 White Win RRA Lavrik-Karmazin Maksim 2499.80
8 White Draw RRA Artemyev Sergey 2578.26
9 Black Loss CHN Liu Yang 2636.80
10 White Loss EST Purk Andry 2635.47
13th All Japan Championship
Date 2018-01-28 Rating 2580.10
Round Color Result Opponent
1 White Loss JPN Ono Takayuki 2384.96
2 White Loss JPN Ishitani Shin-ichi 2418.72
3 White Loss JPN Miyamoto Syunju 2267.96
5 White Win JPN Sato Kiyotomi 2434.55
6 Black Win JPN Maruta Hiroki 2148.21
18 Kanto Renju Emperor Tournament 2nd round
Date 2017-12-17 Rating 2587.30
Round Color Result Opponent
1 Black Draw JPN Sato Kiyotomi 2437.44
2 Black Win JPN Miyamoto Syunju 2273.75
3 Black Loss JPN Nakamura Shigeru 2960.89
4 Black Loss JPN Okabe Hiroshi 2720.67
5 White Win JPN Kusajima Masato 2303.44
18 Kanto Renju Emperor Tournament 1st round
Date 2017-11-01 Rating 2596.81
Round Color Result Opponent
1 Black Win JPN Koyama Akihiro 1965.73
2 White Draw JPN Okabe Hiroshi 2722.19
3 Black Win JPN Ono Takayuki 2379.90
4 White Win JPN Kusajima Masato 2299.60
World Championship 2017, BT
Date 2017-08-12 Rating 2608.40
Round Color Result Opponent
1 Black Win EST Rahumägi Brenet 2330.77
2 Black Win MAC Sun In 2434.74
3 Black Draw CHN Liu Yang 2672.18
4 Black Win CHN Lan Zhiren 2638.77
5 Black Win TPE Yang Yu-Hsiung 2435.01
6 Black Loss MAC Tang Kai Lam 2772.50
7 Black Win EST Topkin Georg-Romet 2525.54
8 White Win TPE Huang Yen-Hua 2462.69
9 Black Loss JPN Okabe Hiroshi 2721.64
World Championship 2017, QT
Date 2017-08-05 Rating 2608.31
Round Color Result Opponent
1 White Win EST Rahumägi Brenet 2330.61
2 White Win RRA Sushkov Vladimir 2876.03
3 Black Loss CHN Lan Zhiren 2637.90
4 Black Loss CHN Mei Fan 2697.49
5 White Draw JPN Okabe Hiroshi 2721.73
6 Black Win KOR Kim Su Chan 2309.12
7 Black Win TPE Lu Wei-Yuan 2604.31
55 Meijinsen Qualification East Japan area 2nd round
Date 2017-06-11 Rating 2601.72
Round Color Result Opponent
1 Black Win JPN Tomobe Katsuhiro 2163.59
2 White Loss JPN Tamada Yoichi 2539.56
3 White Loss JPN Ono Takayuki 2377.53
4 Black Win JPN Miyamoto Syunju 2270.77
5 Black Loss JPN Sato Kiyotomi 2471.90
12th All Japan Championship
Date 2017-03-26 Rating 2608.29
Round Color Result Opponent
1 Black Win JPN Kusajima Masato 2288.47
2 Black Loss JPN Nakamura Shigeru 2967.34
3 Black Win JPN Ishitani Shin-ichi 2395.50
4 Black Win JPN Nakayama Tomoharu 2795.52
5 Black Loss JPN Kamiya Shunsuke 2790.04
6 White Loss JPN Tachi Masaya 2531.75
20 New Year (Mikami) Cup
Date 2017-01-22 Rating 2612.77
Round Color Result Opponent
S2 Black Win JPN Sato Kiyotomi 2493.12
S3 Black Loss JPN Nakamura Shigeru 2965.63
S4 Black Win JPN Ishitani Shin-ichi 2395.44
S5 Black Loss JPN Okabe Hiroshi 2720.79
17 Kanto Renju Emperor Tournament 1st round
Date 2016-11-23 Rating 2616.42
Round Color Result Opponent
1 Black Win JPN Demachi Koichiro 1934.22
2 Black Loss JPN Okabe Hiroshi 2715.18
3 Black Win JPN Iwano Fumio 2271.43
4 White Win JPN Ishitani Shin-ichi 2401.98
54 Meijinsen Tournament
Date 2016-09-19 Rating 2620.35
Round Color Result Opponent
1 White Win JPN Matsuura Hiroshi 2362.64
2 Black Loss JPN Kamiya Shunsuke 2761.65
3 White Draw JPN Hasegawa Kazuto 2640.97
4 White Draw JPN Iio Yoshihiro 2562.74
5 Black Win JPN Tanaka Toshiki 2445.76
6 Black Draw JPN Nakayama Tomoharu 2779.29
7 Black Draw JPN Maruyama Yasushi 2292.76
8 Black Win JPN Kuga Akio 2369.65
9 White Loss JPN Okabe Hiroshi 2719.66
33 Kanto Championship
Date 2016-07-31 Rating 2624.65
Round Color Result Opponent
1 White Win JPN Kato Yasuhiro 2046.04
2 Black Loss JPN Nakamura Shigeru 2956.63
3 Black Loss JPN Okabe Hiroshi 2723.81
4 Black Win JPN Nakamura Souta 2276.81
5 Black Draw JPN Nakayama Tomoharu 2778.17
6 Black Draw JPN Ishitani Shin-ichi 2388.91
54 Meijinsen Qualification East Japan area 2nd round
Date 2016-06-12 Rating 2631.18
Round Color Result Opponent
1 White Win JPN Kusajima Masato 2268.67
2 Black Win JPN Kamiya Shunsuke 2728.89
3 White Win JPN Tamada Yoichi 2570.50
4 Black Draw JPN Mitsumori Masao 2355.46
5 White Draw JPN Okabe Hiroshi 2726.06
19 Mikami Cup
Date 2016-03-13 Rating 2633.55
Round Color Result Opponent
S1 White Win JPN Ishitani Shin-ichi 2393.52
S2 Black Loss JPN Nakamura Shigeru 2942.50
S3 White Win JPN Kusajima Masato 2265.68
S4 Black Loss JPN Okabe Hiroshi 2721.82
16th Kanto Renju Emperor Tournament Final
Date 2016-02-14 Rating 2634.94
Round Color Result Opponent
1 Black Loss JPN Nakayama Tomoharu 2781.45
2 White Loss JPN Nakayama Tomoharu 2781.45
11th All Japan Championship
Date 2016-01-11 Rating 2638.90
Round Color Result Opponent
1 White Win JPN Maruta Hiroki 2124.20
2 Black Win JPN Nakamura Souta 2304.28
3 Black Win JPN Okabe Hiroshi 2716.69
4 Black Loss JPN Nakayama Tomoharu 2779.84
5 White Loss JPN Sato Kiyotomi 2538.92
6 White Draw JPN Tamada Yoichi 2574.21
16 Kanto Renju Emperor Tournament 2nd round
Date 2015-12-13 Rating 2643.10
Round Color Result Opponent
1 White Win JPN Sato Kiyotomi 2538.50
2 White Win JPN Ono Takayuki 2326.96
3 Black Loss JPN Okabe Hiroshi 2716.34
4 Black Draw JPN Nakayama Tomoharu 2778.00
5 White Win JPN Nakamura Shigeru 2925.51
16 Kanto Renju Emperor Tournament 1st round
Date 2015-11-15 Rating 2643.67
Round Color Result Opponent
1 Black Win JPN Ishitani Shin-ichi 2395.64
2 Black Win JPN Sato Kiyotomi 2535.56
3 Black Win JPN Okabe Hiroshi 2717.20
4 Black Win JPN Ono Takayuki 2327.79
53 Meijinsen Tournament
Date 2015-09-22 Rating 2637.05
Round Color Result Opponent
1 Black Loss JPN Hasegawa Kazuto 2674.27
2 Black Win JPN Oosumi Yuuki 2774.81
3 White Win JPN Ishitani Shin-ichi 2393.77
4 Black Draw JPN Nakayama Tomoharu 2771.00
5 White Loss JPN Kawamura Norihiko 2624.70
6 White Loss JPN Tamada Yoichi 2584.47
7 Black Draw JPN Iio Yoshihiro 2533.34
8 White Win JPN Matsuura Hiroshi 2400.33
9 Black Draw JPN Okabe Hiroshi 2719.42
World Championship 2015, BT
Date 2015-08-12 Rating 2633.37
Round Color Result Opponent
1 White Win CHN Huang Xiuyi 2191.20
2 Black Loss JPN Miyagawa Junzo 2248.26
3 Black Win EST Topkin Georg-Romet 2338.56
4 Black Win TPE Wang Chih-Kung 2341.70
5 Black Loss RRA Sirategyan Karen 2442.23
6 Black Win JPN Ishitani Shin-ichi 2396.33
7 Black Win RRA Lavrik-Karmazin Maksim 2293.03
8 White Win JPN Mano Yoshihisa 2365.59
9 White Draw JPN Nakayama Tomoharu 2767.14
World Championship 2015, QT
Date 2015-08-05 Rating 2633.20
Round Color Result Opponent
1 Black Win EST Topkin Georg-Romet 2337.12
2 Black Win JPN Nakayama Tomoharu 2765.73
3 Black Loss JPN Kamiya Shunsuke 2707.04
4 White Draw CHN Wang Qingqing 2628.61
5 Black Win TPE Huang Yen-Hua 2477.06
6 Black Loss RRA Epifanov Dmitry 2709.83
7 Black Win TPE Lin Liu-Min 2569.94
Kanto Championship
Date 2015-07-20 Rating 2631.47
Round Color Result Opponent
1 White Win JPN Maruta Hiroki 2106.17
2 Black Win JPN Nakamura Shigeru 2907.32
3 Black Draw JPN Okabe Hiroshi 2728.28
4 White Win JPN Iwano Fumio 2253.11
5 Black Loss JPN Nakayama Tomoharu 2764.93
6 Black Win CHN Zhao Jiadong 2138.04
53 Meijinsen Qualification East Japan area 2nd round
Date 2015-06-14 Rating 2624.18
Round Color Result Opponent
1 White Loss JPN Tamada Yoichi 2592.24
2 Black Win JPN Sato Kiyotomi 2507.77
3 White Win JPN Ono Takayuki 2326.12
5 Black Draw JPN Kamiya Shunsuke 2693.82
6 White Win JPN Nakamura Souta 2295.80
53 Meijinsen Qualification East Japan area 1st round
Date 2015-05-10 Rating 2616.42
Round Color Result Opponent
1 Black Win JPN Mitsumori Masao 2327.46
2 Black Win JPN Iwano Fumio 2247.51
3 Black Win JPN Nakamura Souta 2294.01
4 White Loss JPN Kamiya Shunsuke 2687.98
10th All Japan Championship
Date 2015-03-29 Rating 2607.09
Round Color Result Opponent
1 White Win JPN Fujikawa Masaki 2094.87
2 White Loss JPN Kamiya Shunsuke 2677.04
3 Black Win JPN Kato Yasuhiro 2064.23
4 Black Win JPN Mitsumori Masao 2325.92
5 Black Loss JPN Ishitani Shin-ichi 2426.06
6 Black Win JPN Tanizaki Ryusuke 2203.69
12 Kanto Renju Emperor Tournament 1st round
Date 2011-10-23 Rating 2439.09
Round Color Result Opponent
1 Black Loss JPN Oosumi Yuuki 2772.00
2 White Win JPN Suzuki Rin 1991.83
3 White Loss JPN Isobe Taizan 2422.48
4 White Loss JPN Fukui Nobuhiro 2473.61
49 Meijinsen Qualification East-Japan area 1st round
Date 2011-06-12 Rating 2436.51
Round Color Result Opponent
1 Black Loss JPN Isobe Taizan 2409.53
2 Black Win JPN Kudomi Takahiro 2414.07
3 Black Loss JPN Nakayama Tomoharu 2554.79
4 Black Win JPN Ono Takayuki 2397.34
ex Black Loss JPN Nakayama Tomoharu 2554.79
28th Kanto Shineisen Tournament
Date 2011-04-17 Rating 2437.28
Round Color Result Opponent
1 White Win JPN Kon Akira 2008.22
2 Black Win JPN Kamiya Shunsuke 2412.93
3 White Win JPN Ozawa Tetsushi 2093.24
4 White Loss JPN Nakayama Tomoharu 2543.31
5 Black Win JPN Tomobe Katsuhiro 2230.36
5 White Loss JPN Kamiya Shunsuke 2412.93
14th Mikami Cup Tournament
Date 2011-01-30 Rating 2438.25
Round Color Result Opponent
A1 Black Win JPN Kon Akira 2000.80
A2 White Loss JPN Iwano Fumio 2132.50
A3 Black Win JPN Matsuoka Teruo 1990.03
A4 Black Win JPN Kise Katsumi 2521.88
A5 Black Win JPN Isobe Seiji 2024.55
8th Middle-dan Players Tournament
Date 2009-08-30 Rating 2445.13
Round Color Result Opponent
1 White Win JPN Yamamoto Yasuhiro 2148.52
2 White Win JPN Gakumazawa Hideaki 2139.45
3 Black Loss JPN Sato Kiyotomi 2434.68
4 White Win JPN Miyagawa Junzo 2202.98
5 White Draw JPN Maruyama Yasushi 2262.85
6 Black Win JPN Ono Takayuki 2403.58
46th Meijinsen Qualification East-Japan area 2nd round
Date 2008-07-13 Rating 2442.16
Round Color Result Opponent
White Loss JPN Kawamura Norihiko 2656.98
White Loss JPN Sato Kiyotomi 2434.67
White Win JPN Arita Nobuyoshi 2393.21
White Loss JPN Isobe Taizan 2415.07
Black Win JPN Nagao Noriaki 2261.53
46th Meijinsen Qualification East-Japan area 1st round
Date 2008-06-15 Rating 2443.78
Round Color Result Opponent
1 Black Win JPN Sato Kiyotomi 2429.23
2 White Win JPN Tanno Yoshitaka 2122.29
3 Black Win JPN Ono Takayuki 2399.63
4 Black Win JPN Kudomi Takahiro 2339.51
25th Kanto Shineisen Tournament
Date 2008-04-13 Rating 2437.57
Round Color Result Opponent
1 White Win JPN Fujikawa Masaki 2104.32
2 Black Win JPN Watanabe Tatsuya 2156.69
3 White Win JPN Tomobe Katsuhiro 2064.84
4 Black Win JPN Iwano Fumio 2189.62
5 Black Draw JPN Ono Takayuki 2395.91
2nd All Japan Championship (WC Qualification)
Date 2007-03-25 Rating 2376.86
Round Color Result Opponent
1 White Win JPN Kuramoto Hideharu 1888.64
2 Black Loss JPN Yamaguchi Yusui 2648.89
3 Black Loss JPN Iio Yoshihiro 2522.29
4 White Win JPN Maruta Hiroki 2025.03
5 White Win JPN Tanno Yoshitaka 2129.76
6 Black Win JPN Ono Takayuki 2343.14
10th Mikami Cup Tournament, A-class
Date 2007-01-28 Rating 2365.89
Round Color Result Opponent
1 Black Win JPN Matsuoka Teruo 1875.37
2 White Loss JPN Iwano Fumio 2143.91
3 Black Win JPN Maruta Hiroki 2021.80
4 White Win JPN Tomobe Katsuhiro 2056.18
5 Black Win JPN Kobayashi Koichi 2099.20
23rd Kanto Shinei Tournament
Date 2006-09-10 Rating 2342.87
Round Color Result Opponent
1 White Win JPN Maruta Hiroki 2003.67
1 Black Win JPN Teshima Masakatsu 1952.79
2 Black Loss JPN Tanizaki Ryusuke 2127.36
3 Black Win JPN Matsuoka Teruo 1854.28
4 White Win JPN Iwano Fumio 2111.08
5 White Loss JPN Watanabe Tatsuya 2135.76
Meijin-sen Qual, East Japan area 1st round
Date 2006-06-18 Rating 2338.93
Round Color Result Opponent
1 Black Win JPN Maruta Koji 2113.08
2 White Win JPN Mitsumori Masao 2253.54
3 Black Win JPN Kudomi Takahiro 2284.66
4 Black Loss JPN Kamemoto Daichi 2207.27
23rd Kanto Championship
Date 2006-05-21 Rating 2336.57
Round Color Result Opponent
1 White Loss JPN Kawamura Norihiko 2664.42
2 White Win JPN Tanizaki Ryusuke 2114.18
3 Black Win JPN Kudomi Takahiro 2283.07
4 White Win JPN Isobe Taizan 2411.44
5 White Loss JPN Nakamura Shigeru 2847.22
46th Suisei-sen tournament final round
Date 2006-04-16 Rating 2329.48
Round Color Result Opponent
White Win JPN Itami Yoshiyuki 2158.24
White Win JPN Nagao Noriaki 2221.94
White Loss JPN Kato Yasuhiro 2052.04
White Win JPN Hara Masao 2078.24
Black Loss JPN Ono Takayuki 2305.15
1st All Japan Championship
Date 2006-03-26 Rating 2326.52
Round Color Result Opponent
1 Black Win JPN Tadokoro Hosai 1931.05
2 Black Loss JPN Isobe Taizan 2425.68
3 Black Loss JPN Tanizaki Ryusuke 2113.10
4 White Win JPN Itami Yoshiyuki 2161.14
5 Black Win JPN Sato Kiyotomi 2410.88
6 White Win JPN Miyoshi Takeo 2275.25
46th Suisei-sen Tournament - 1st round
Date 2006-03-12 Rating 2324.11
Round Color Result Opponent
1 Black Win JPN Fujikawa Masaki 2030.06
2 White Win JPN Tadokoro Hosai 1930.51
3 White Loss JPN Nagao Noriaki 2223.93
4 White Win JPN Tomobe Katsuhiro 2091.39
9th Mikami Cup - A Class
Date 2006-01-29 Rating 2317.72
Round Color Result Opponent
1 Black Win JPN Iwano Fumio 2074.53
2 White Win JPN Teshima Masakatsu 1957.83
3 White Loss JPN Ono Takayuki 2304.32
4 White Win JPN Nakata Shinsuke 1976.51
5 Black Win JPN Watanabe Tatsuya 2134.13
37th Kyoto Classified - group 1
Date 2005-11-13 Rating 2304.55
Round Color Result Opponent
1 Black Win JPN Ozawa Tetsushi 2015.86
2 White Win JPN Itami Yoshiyuki 2180.14
3 White Loss JPN Oosumi Yuuki 2405.13
4 White Win JPN Hayashi Koji 2005.94
5 Black Win JPN Ono Takayuki 2296.64
6 White Loss JPN Shinoda Kiyoshi 2347.02
6th Kanto Renju Emperor Tournament - Semifinal
Date 2005-10-23 Rating 2300.19
Round Color Result Opponent
White Loss JPN Yamaguchi Yusui 2596.03
White Loss JPN Okabe Hiroshi 2592.02
White Loss JPN Isobe Taizan 2458.13
White Loss JPN Kamemoto Daichi 2181.08
White Win JPN Sato Kiyotomi 2395.03
6th Kanto Renju Emperor Tournament - 1st round
Date 2005-10-22 Rating 2300.05
Round Color Result Opponent
1 White Win JPN Koyama Masayuki 1729.66
2 White Loss JPN Sato Kiyotomi 2395.07
3 White Win JPN Teshima Masakatsu 1958.24
4 Black Win JPN Nakata Shinsuke 1968.31
22nd Kanto Shineisen Tournament
Date 2005-09-11 Rating 2294.76
Round Color Result Opponent
1 Black Win JPN Teshima Masakatsu 1958.24
2 White Win JPN Tadokoro Hosai 1927.26
3 Black Win JPN Tomobe Katsuhiro 2075.65
4 Black Loss JPN Arita Nobuyoshi 2343.23
5 Black Win JPN Kamemoto Daichi 2170.19
43rd Meijinsen Qualification: East Japan 1st round
Date 2005-06-12 Rating 2279.47
Round Color Result Opponent
1 Black Win JPN Maruta Koji 2152.47
2 Black Loss JPN Kudomi Takahiro 2299.98
3 White Loss JPN Arita Nobuyoshi 2325.28
4 White Win JPN Ohno Syunzo 2075.04
22nd Kanto Championship
Date 2005-05-22 Rating 2276.75
Round Color Result Opponent
1 White Win JPN Mitsumori Masao 2267.05
2 White Loss JPN Yamaguchi Yusui 2562.66
3 White Win JPN Kudomi Takahiro 2300.47
4 Black Loss JPN Maruta Koji 2157.12
5 White Loss JPN Sato Kiyotomi 2394.68
45th Suisei-sen Tournament
Date 2005-03-20 Rating 2269.58
Round Color Result Opponent
1 White Win JPN Muramatsu Yasuhiro 1691.74
2 White Win JPN Arita Nobuyoshi 2299.03
3 White Win JPN Sano Hiroyuki 2136.16
4 Black Win JPN Kobayashi Koichi 2093.89
8th Mikami Cup - A Class
Date 2005-01-23 Rating 2255.98
Round Color Result Opponent
1 Black Draw JPN Arita Nobuyoshi 2286.64
2 Black Win JPN Nagumo Natsuhiko 2056.12
3 Black Win JPN Kato Yasuhiro 2024.54
4 White Loss JPN Nagao Noriaki 2244.39
5 Black Win JPN Sato Kiyotomi 2370.88
5th Kanto Renju Emperor Tournament - 1st round
Date 2004-11-28 Rating 2238.43
Round Color Result Opponent
1 White Loss JPN Mitsumori Masao 2248.64
2 Black Loss JPN Tomobe Katsuhiro 2031.29
3 Black Win JPN Mao Richu 1771.97
4 Black Loss JPN Iwano Fumio 2040.96
21st Kanto Shineisen Tournament
Date 2004-09-12 Rating 2230.94
Round Color Result Opponent
1 White Win JPN Shibata Satoru 1710.10
2 Black Loss JPN Sato Kiyotomi 2366.29
3 Black Win JPN Sato Takuma 2169.78
4 White Draw JPN Tashiro Yuichi 2288.47
5 Black Win JPN Hara Masao 2070.92
7th Mikami Cup - A class
Date 2004-01-25 Rating 2195.32
Round Color Result Opponent
4 Black Win JPN Kawabe Tatsuya 1879.83
5 Black Win JPN Itami Yoshiyuki 2149.29
20th Kanto Shineisen Tournament
Date 2003-09-21 Rating 2167.86
Round Color Result Opponent
1 White Loss JPN Kato Yasuhiro 2047.37
2 White Win JPN Maruta Hiroki 1935.20
3 White Loss JPN Sato Takuma 2137.66
4 White Win JPN Sasaki Miyu 1938.02
5 White Loss JPN Itami Yoshiyuki 2152.31