JPN Isobe Taizan

Place: Omiya, Japan

Rating: 2351.72, Rank: -

First game: 1996-09-23, Last game: 2015-03-29

Top rating: 2352.10 (2015-01-18)

Games: 189, Wins: 81, Draws: 26, Losses: 82

Gy1: 0, Gy2: 0, Gy5: 0

10th All Japan Championship
Date 2015-03-29 Rating 2351.72
Round Color Result Opponent
1 White Win JPN Kon Akira 1919.19
2 White Loss JPN Nakayama Tomoharu 2655.06
18 Mikami Cup Tournament
Date 2015-01-18 Rating 2352.10
Round Color Result Opponent
S1 White Loss JPN Nakamura Shigeru 2815.37
S2 Black Draw JPN Okabe Hiroshi 2653.38
S3 Black Draw JPN Ono Takayuki 2275.25
1st Senior Masters Championship
Date 2014-08-29 Rating 2351.00
Round Color Result Opponent
1 Black Win JPN Kato Yasuhiro 2020.24
2 Black Win JPN Kubo Izumi 2020.12
3 Black Win JPN Kobayashi Koichi 2183.28
4 Black Draw JPN Ishitani Shin-ichi 2365.86
5 Black Win JPN Mitsumori Masao 2263.44
6 Black Win JPN Miura Hitoshi 1755.55
7 Black Win JPN Miyagawa Junzo 2145.68
8S Black Draw JPN Ishitani Shin-ichi 2365.86
14th Mikami Cup S-class
Date 2014-01-19 Rating 2329.18
Round Color Result Opponent
1 White Loss JPN Tamura Kazumasa 2447.81
3 White Loss JPN Fukui Nobuhiro 2522.50
5 Black Loss JPN Ishitani Shin-ichi 2356.59
51 Meijinsen Qualification East-Japan area 1st round
Date 2013-06-16 Rating 2324.67
Round Color Result Opponent
1 Black Win JPN Maruta Koji 2097.56
2 Black Loss JPN Kato Yasuhiro 2065.08
3 White Loss JPN Tomobe Katsuhiro 2093.07
4 Black Win JPN Kobayashi Koichi 2151.31
29th Kanto Championship
Date 2013-05-12 Rating 2326.86
Round Color Result Opponent
1 Black Loss JPN Maruta Hiroki 2072.54
2 Black Draw JPN Mitsumori Masao 2265.31
3 Black Win JPN Tada Ayako 2225.26
4 Black Loss JPN Sato Kiyotomi 2370.46
5 White Win JPN Iwano Fumio 2128.69
8th All Japan Championship
Date 2013-03-24 Rating 2332.63
Round Color Result Opponent
1 Black Win JPN Kubo Izumi 2020.52
2 Black Loss JPN Nakamura Shigeru 2787.23
3 White Loss JPN Okabe Hiroshi 2648.58
4 Black Win JPN Mitsumori Masao 2269.05
5 Black Win JPN Miyagawa Junzo 2145.38
6 White Win JPN Ishitani Shin-ichi 2306.19
16th Mikami Cup Tournament
Date 2013-01-20 Rating 2335.08
Round Color Result Opponent
S1 Black Win JPN Kobayashi Koichi 2148.34
S2 Black Loss JPN Nakamura Shigeru 2793.60
S3 White Loss JPN Ono Takayuki 2336.01
S5 Black Win JPN Ishitani Shin-ichi 2299.85
13 Kanto Renju Emperor Tournament 2nd round
Date 2013-01-13 Rating 2335.28
Round Color Result Opponent
1 White Loss JPN Nakamura Shigeru 2794.07
2 White Draw JPN Ishitani Shin-ichi 2299.09
3 White Loss JPN Okabe Hiroshi 2638.13
4 Black Win JPN Kudomi Takahiro 2336.53
5 Black Loss JPN Fukui Nobuhiro 2480.55
13 Kanto Renju Emperor Tournament 1st round
Date 2012-10-21 Rating 2338.11
Round Color Result Opponent
1 Black Loss JPN Fukui Nobuhiro 2467.56
2 White Win JPN Iwano Fumio 2096.29
3 Black Win JPN Kato Yasuhiro 2042.36
4 White Win JPN Kudomi Takahiro 2337.04
50 Meijinsen Qualification East-Japan area 1st round
Date 2012-06-03 Rating 2337.33
Round Color Result Opponent
1 White Loss JPN Kobayashi Koichi 2160.16
2 Black Loss JPN Maruta Hiroki 2035.86
3 White Win JPN Iwano Fumio 2083.00
4 White Loss JPN Ono Takayuki 2348.65
29th Kanto Championship
Date 2012-05-13 Rating 2340.15
Round Color Result Opponent
1 White Loss JPN Fukui Nobuhiro 2430.49
2 White Win JPN Tada Ayako 2219.07
3 Black Win JPN Kudomi Takahiro 2343.18
4 Black Win JPN Iwano Fumio 2081.32
5 White Loss JPN Nakamura Shigeru 2797.87
15th Mikami Cup Tournament
Date 2012-03-11 Rating 2345.88
Round Color Result Opponent
S1 Black Loss JPN Oosumi Yuuki 2706.67
S2 Black Win JPN Kobayashi Koichi 2147.39
S3 Black Win JPN Ishitani Shin-ichi 2304.24
S4 White Win JPN Kudomi Takahiro 2342.12
S5 White Loss JPN Nakamura Shigeru 2793.33
7th All Japan Championship
Date 2012-01-29 Rating 2346.60
Round Color Result Opponent
1 White Win JPN Fujikawa Masaki 2000.99
2 Black Win JPN Okabe Hiroshi 2619.17
3 Black Loss JPN Oosumi Yuuki 2703.46
4 White Loss JPN Ono Takayuki 2343.32
5 Black Draw JPN Tada Ayako 2209.63
6 White Draw JPN Fukui Nobuhiro 2408.89
12 Kanto Renju Emperor Tournament 1st round
Date 2011-10-23 Rating 2346.61
Round Color Result Opponent
1 Black Win JPN Maruta Hiroki 2031.16
2 White Loss JPN Nakayama Tomoharu 2508.13
3 Black Win JPN Koyama Jun 2390.50
4 Black Win JPN Kamiya Shunsuke 2388.51
49 Meijinsen Qualification East-Japan area 2nd round
Date 2011-07-10 Rating 2338.98
Round Color Result Opponent
1 White Loss JPN Kamiya Shunsuke 2373.90
2 White Draw JPN Nakayama Tomoharu 2489.14
4 Black Draw JPN Nagao Noriaki 2363.06
5 Black Loss JPN Yamaguchi Yusui 2547.33
49 Meijinsen Qualification East-Japan area 1st round
Date 2011-06-12 Rating 2337.87
Round Color Result Opponent
1 White Win JPN Koyama Jun 2387.92
2 Black Loss JPN Kamiya Shunsuke 2372.80
3 Black Win JPN Maruta Hiroki 2049.20
4 Black Draw JPN Nagao Noriaki 2363.62
28th Kanto Championship
Date 2011-05-22 Rating 2336.55
Round Color Result Opponent
1 Black Loss JPN Tomobe Katsuhiro 2156.96
2 White Loss JPN Iwano Fumio 2078.39
3 Black Win JPN Maruta Hiroki 2051.01
4 Black Win JPN Suzuki Rin 1936.36
5 Black Win JPN Ono Takayuki 2326.97
14th Mikami Cup Tournament
Date 2011-01-30 Rating 2336.24
Round Color Result Opponent
S1 Black Loss JPN Oosumi Yuuki 2651.77
S2 White Win JPN Ishitani Shin-ichi 2314.65
S3 Black Win JPN Gakumazawa Hideaki 2030.90
S4 White Loss JPN Nakamura Shigeru 2772.73
11 Kanto Renju Emperor Tournament 1st round
Date 2010-10-31 Rating 2333.28
Round Color Result Opponent
1 Black Win JPN Tomobe Katsuhiro 2152.17
4 White Loss JPN Nakayama Tomoharu 2452.43
Meijinsen Qualification East-Japan area 1st round
Date 2010-06-27 Rating 2329.87
Round Color Result Opponent
1 Black Win JPN Tanno Yoshitaka 2029.69
2 White Win JPN Tamada Yoichi 2398.69
3 Black Draw JPN Mitsumori Masao 2254.51
4 Black Loss JPN Nagao Noriaki 2344.92
27th Kanto Championship
Date 2010-05-23 Rating 2328.50
Round Color Result Opponent
1 White Win JPN Maruta Hiroki 2032.18
2 Black Loss JPN Nakamura Shigeru 2769.47
3 White Loss JPN Tamura Kazumasa 2430.47
4 White Win JPN Tada Ayako 2164.80
5 White Loss JPN Nagao Noriaki 2343.05
Team World Championship
Date 2010-05-05 Rating 2328.44
Round Color Result Opponent
2 White Win EST Hõbemägi Martin 2156.56
6 Black Draw UKR Yakovleva Alyona 1945.14
5th All Japan Championship
Date 2010-03-21 Rating 2328.70
Round Color Result Opponent
1 White Win JPN Kusajima Masato 2106.83
2 White Loss JPN Okabe Hiroshi 2603.80
3 White Win JPN Shimoyama Takuma 2190.53
4 White Loss JPN Nakamura Shigeru 2765.12
5 White Loss JPN Kawasaki Nobuhiko 2147.96
6 White Win JPN Maruta Hiroki 2032.96
13th Mikami Cup Tournament
Date 2010-01-31 Rating 2330.09
Round Color Result Opponent
S1 White Win JPN Kataoka Mitsuaki 2152.72
S5 White Loss JPN Nakamura Shigeru 2766.59
26th Kanto Championship
Date 2009-05-17 Rating 2333.76
Round Color Result Opponent
2 White Loss JPN Tamura Kazumasa 2426.04
4 Black Win JPN Yamaguchi Yusui 2470.04
The 6th Shanghai Renju Meijin Invitation Tournament
Date 2009-05-03 Rating 2333.63
Round Color Result Opponent
1 Black Win CHN Xu Bin 2137.68
2 White Draw CHN Ge Lingfeng 2361.31
3 Black Loss CHN Qiu Yunfei 2376.50
4 Black Win JPN Mitsumori Masao 2275.38
5 White Loss CHN Yu Manjiang 2440.57
6 Black Loss JPN Oosumi Yuuki 2557.28
7 Black Draw JPN Iio Yoshihiro 2409.13
4th All Japan Championship
Date 2009-03-21 Rating 2333.86
Round Color Result Opponent
1 Black Win JPN Fujikawa Masaki 1997.71
2 Black Loss JPN Nakamura Shigeru 2772.40
3 Black Win JPN Tanizaki Ryusuke 2037.29
4 White Win JPN Miyoshi Takeo 2132.72
5 White Loss JPN Oosumi Yuuki 2554.58
6 White Win JPN Tamada Yoichi 2257.50
12th Mikami Cup Tournament
Date 2009-01-18 Rating 2331.36
Round Color Result Opponent
S2 White Loss JPN Kawamura Norihiko 2558.35
8th Kanto Renju Emperor Tournament 2nd round
Date 2007-12-16 Rating 2321.56
Round Color Result Opponent
1 White Win JPN Ono Takayuki 2307.71
2 White Win JPN Kurata Kiyotaka 2135.35
3 White Loss JPN Ishitani Shin-ichi 2268.49
4 White Loss JPN Okabe Hiroshi 2517.08
5 Black Loss JPN Nakamura Shigeru 2778.96
8 Kanto Renju Emperor Tournament 1st round
Date 2007-10-21 Rating 2320.82
Round Color Result Opponent
4 Black Win JPN Tanizaki Ryusuke 2043.91
The 45th Meijin-sen Tournament
Date 2007-09-17 Rating 2319.94
Round Color Result Opponent
1 Black Win JPN Iio Yoshihiro 2435.54
2 Black Win JPN Hiwatashi Kikuma 1807.81
3 Black Loss JPN Yamaguchi Yusui 2532.63
4 Black Draw JPN Miyoshi Takeo 2181.51
5 Black Win JPN Oosumi Yuuki 2457.26
6 Black Loss JPN Matsuura Hiroshi 2179.32
7 Black Win JPN Sato Kiyotomi 2256.64
8 Black Loss JPN Okabe Hiroshi 2505.38
9 Black Loss JPN Kawamura Norihiko 2539.77
The 5th Shanghai Renju Meijin Invitation Tournament
Date 2007-05-03 Rating 2314.15
Round Color Result Opponent
1 White Win CHN Zhu Jianfeng 2426.78
2 White Loss CHN Ge Lingfeng 2357.88
3 White Loss CHN Qiu Yunfei 2403.60
SF1 White Win CHN Zhang Yifeng 2358.87
SF3 Black Draw JPN Mitsumori Masao 2186.20
SF4 White Win CHN Ge Chongyu 2314.94
2nd All Japan Championship (WC Qualification)
Date 2007-03-25 Rating 2310.38
Round Color Result Opponent
1 Black Draw JPN Tanizaki Ryusuke 2046.21
2 White Win JPN Tanno Yoshitaka 2048.57
4 Black Win JPN Iio Yoshihiro 2423.95
5 Black Loss JPN Yamaguchi Yusui 2529.04
6 Black Loss JPN Sato Kiyotomi 2267.70
The 4th Shanghai Renju Meijin Invitation Tournament
Date 2006-03-20 Rating 2281.83
Round Color Result Opponent
1 White Draw CHN Wu Hao 2535.22
2 White Loss CHN Cao Dong 2489.29
3 Black Loss JPN Takashima Junya 2374.64
4 Black Win JPN Mitsumori Masao 2163.20
5 White Loss CHN Zhu Jianfeng 2397.93
6 Black Win CHN Ge Lingfeng 2295.35
7 White Loss CHN Wu Di 2517.78
41st Meijin-sen Tournament
Date 2003-09-15 Rating 2209.70
Round Color Result Opponent
1 White Win JPN Takashima Junya 2197.20
2 Black Draw JPN Kuga Akio 2261.83
3 White Loss JPN Kudomi Takahiro 2280.56
4 White Draw JPN Matsuura Hiroshi 2249.93
5 White Loss JPN Ishitani Shin-ichi 2258.03
6 White Loss JPN Okabe Hiroshi 2388.09
7 White Loss JPN Hasegawa Kazuto 2534.05
8 Black Loss JPN Iio Yoshihiro 2382.41
9 Black Loss JPN Miyagawa Junzo 2081.70
40th Meijin-sen Tournament
Date 2002-09-16 Rating 2223.26
Round Color Result Opponent
1 White Win JPN Matsuura Hiroshi 2191.42
2 White Win JPN Okabe Hiroshi 2335.53
3 White Draw JPN Hasegawa Kazuto 2516.87
4 Black Draw JPN Iio Yoshihiro 2324.21
5 White Loss JPN Takagawa Teiji 2245.43
6 Black Win JPN Ishitani Shin-ichi 2260.26
7 Black Draw JPN Kudomi Takahiro 2292.08
8 Black Loss JPN Yamaguchi Yusui 2489.89
9 White Loss JPN Nishimura Toshio 2221.58
World Championship BT
Date 1999-08-05 Rating 2172.81
Round Color Result Opponent
1 White Loss TPE Chen Chen-Kuo 2009.61
2 White Loss CHN Li Dong 1962.74
3 White Win SWE Gaulitz Joachim 2242.00
4 White Loss ARM Poghosyan Albert 2228.45
5 White Win CHN Zhao Kai 1967.12
6 White Win CHN Guan Jixian 1961.75
8 White Win SWE Holgersson Goran 2251.72
34th Meijin-sen Tournament
Date 1996-09-23 Rating 2144.85
Round Color Result Opponent
1 White Loss JPN Nara Hideki 2453.04
2 Black Draw JPN Nishimura Toshio 2244.96
3 White Loss JPN Yamaguchi Yusui 2334.21
4 White Draw JPN Maruyama Yasushi 2092.62
5 Black Loss JPN Nishizono Norio 2381.41
6 White Loss JPN Sagara Takashi 2407.82
7 White Win JPN Ooi Kozo 2222.44
8 White Win JPN Matsuura Hiroshi 2119.86
9 White Loss JPN Hasegawa Kazuto 2506.11