JPN Isobe Taizan

Place: Omiya, Japan

Rating: 2355.34, Rank: -

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

Top rating: 2355.71 (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 2355.34
Round Color Result Opponent
1 White Win JPN Kon Akira 1922.52
2 White Loss JPN Nakayama Tomoharu 2660.20
18 Mikami Cup Tournament
Date 2015-01-18 Rating 2355.71
Round Color Result Opponent
S1 White Loss JPN Nakamura Shigeru 2819.86
S2 Black Draw JPN Okabe Hiroshi 2658.06
S3 Black Draw JPN Ono Takayuki 2278.43
1st Senior Masters Championship
Date 2014-08-29 Rating 2354.60
Round Color Result Opponent
1 Black Win JPN Kato Yasuhiro 2025.40
2 Black Win JPN Kubo Izumi 2023.64
3 Black Win JPN Kobayashi Koichi 2185.87
4 Black Draw JPN Ishitani Shin-ichi 2370.22
5 Black Win JPN Mitsumori Masao 2266.18
6 Black Win JPN Miura Hitoshi 1756.52
7 Black Win JPN Miyagawa Junzo 2150.13
8S Black Draw JPN Ishitani Shin-ichi 2370.22
14th Mikami Cup S-class
Date 2014-01-19 Rating 2332.73
Round Color Result Opponent
1 White Loss JPN Tamura Kazumasa 2451.96
3 White Loss JPN Fukui Nobuhiro 2526.48
5 Black Loss JPN Ishitani Shin-ichi 2360.92
51 Meijinsen Qualification East-Japan area 1st round
Date 2013-06-16 Rating 2328.13
Round Color Result Opponent
1 Black Win JPN Maruta Koji 2097.83
2 Black Loss JPN Kato Yasuhiro 2069.02
3 White Loss JPN Tomobe Katsuhiro 2096.80
4 Black Win JPN Kobayashi Koichi 2154.26
29th Kanto Championship
Date 2013-05-12 Rating 2330.33
Round Color Result Opponent
1 Black Loss JPN Maruta Hiroki 2075.90
2 Black Draw JPN Mitsumori Masao 2268.53
3 Black Win JPN Tada Ayako 2228.61
4 Black Loss JPN Sato Kiyotomi 2374.01
5 White Win JPN Iwano Fumio 2132.02
8th All Japan Championship
Date 2013-03-24 Rating 2336.09
Round Color Result Opponent
1 Black Win JPN Kubo Izumi 2023.90
2 Black Loss JPN Nakamura Shigeru 2790.35
3 White Loss JPN Okabe Hiroshi 2652.90
4 Black Win JPN Mitsumori Masao 2272.28
5 Black Win JPN Miyagawa Junzo 2149.41
6 White Win JPN Ishitani Shin-ichi 2310.24
16th Mikami Cup Tournament
Date 2013-01-20 Rating 2338.52
Round Color Result Opponent
S1 Black Win JPN Kobayashi Koichi 2151.31
S2 Black Loss JPN Nakamura Shigeru 2796.50
S3 White Loss JPN Ono Takayuki 2339.75
S5 Black Win JPN Ishitani Shin-ichi 2303.78
13 Kanto Renju Emperor Tournament 2nd round
Date 2013-01-13 Rating 2338.72
Round Color Result Opponent
1 White Loss JPN Nakamura Shigeru 2796.94
2 White Draw JPN Ishitani Shin-ichi 2303.01
3 White Loss JPN Okabe Hiroshi 2642.40
4 Black Win JPN Kudomi Takahiro 2340.54
5 Black Loss JPN Fukui Nobuhiro 2484.37
13 Kanto Renju Emperor Tournament 1st round
Date 2012-10-21 Rating 2341.52
Round Color Result Opponent
1 Black Loss JPN Fukui Nobuhiro 2471.36
2 White Win JPN Iwano Fumio 2099.53
3 Black Win JPN Kato Yasuhiro 2045.93
4 White Win JPN Kudomi Takahiro 2340.91
50 Meijinsen Qualification East-Japan area 1st round
Date 2012-06-03 Rating 2340.66
Round Color Result Opponent
1 White Loss JPN Kobayashi Koichi 2163.07
2 Black Loss JPN Maruta Hiroki 2038.95
3 White Win JPN Iwano Fumio 2086.16
4 White Loss JPN Ono Takayuki 2352.38
29th Kanto Championship
Date 2012-05-13 Rating 2343.47
Round Color Result Opponent
1 White Loss JPN Fukui Nobuhiro 2434.12
2 White Win JPN Tada Ayako 2222.33
3 Black Win JPN Kudomi Takahiro 2346.83
4 Black Win JPN Iwano Fumio 2084.47
5 White Loss JPN Nakamura Shigeru 2799.44
15th Mikami Cup Tournament
Date 2012-03-11 Rating 2349.17
Round Color Result Opponent
S1 Black Loss JPN Oosumi Yuuki 2710.34
S2 Black Win JPN Kobayashi Koichi 2150.27
S3 Black Win JPN Ishitani Shin-ichi 2307.79
S4 White Win JPN Kudomi Takahiro 2345.69
S5 White Loss JPN Nakamura Shigeru 2794.37
7th All Japan Championship
Date 2012-01-29 Rating 2349.87
Round Color Result Opponent
1 White Win JPN Fujikawa Masaki 2004.03
2 Black Win JPN Okabe Hiroshi 2623.37
3 Black Loss JPN Oosumi Yuuki 2707.08
4 White Loss JPN Ono Takayuki 2347.05
5 Black Draw JPN Tada Ayako 2212.86
6 White Draw JPN Fukui Nobuhiro 2412.42
12 Kanto Renju Emperor Tournament 1st round
Date 2011-10-23 Rating 2349.82
Round Color Result Opponent
1 Black Win JPN Maruta Hiroki 2034.16
2 White Loss JPN Nakayama Tomoharu 2511.78
3 Black Win JPN Koyama Jun 2394.12
4 Black Win JPN Kamiya Shunsuke 2392.02
49 Meijinsen Qualification East-Japan area 2nd round
Date 2011-07-10 Rating 2342.11
Round Color Result Opponent
1 White Loss JPN Kamiya Shunsuke 2377.36
2 White Draw JPN Nakayama Tomoharu 2492.66
4 Black Draw JPN Nagao Noriaki 2366.43
5 Black Loss JPN Yamaguchi Yusui 2550.64
49 Meijinsen Qualification East-Japan area 1st round
Date 2011-06-12 Rating 2340.98
Round Color Result Opponent
1 White Win JPN Koyama Jun 2391.43
2 Black Loss JPN Kamiya Shunsuke 2376.25
3 Black Win JPN Maruta Hiroki 2052.17
4 Black Draw JPN Nagao Noriaki 2366.98
28th Kanto Championship
Date 2011-05-22 Rating 2339.63
Round Color Result Opponent
1 Black Loss JPN Tomobe Katsuhiro 2160.09
2 White Loss JPN Iwano Fumio 2081.40
3 Black Win JPN Maruta Hiroki 2053.97
4 Black Win JPN Suzuki Rin 1939.13
5 Black Win JPN Ono Takayuki 2330.62
14th Mikami Cup Tournament
Date 2011-01-30 Rating 2339.21
Round Color Result Opponent
S1 Black Loss JPN Oosumi Yuuki 2655.22
S2 White Win JPN Ishitani Shin-ichi 2318.00
S3 Black Win JPN Gakumazawa Hideaki 2032.75
S4 White Loss JPN Nakamura Shigeru 2768.73
11 Kanto Renju Emperor Tournament 1st round
Date 2010-10-31 Rating 2336.18
Round Color Result Opponent
1 Black Win JPN Tomobe Katsuhiro 2155.15
4 White Loss JPN Nakayama Tomoharu 2455.69
Meijinsen Qualification East-Japan area 1st round
Date 2010-06-27 Rating 2332.67
Round Color Result Opponent
1 Black Win JPN Tanno Yoshitaka 2031.51
2 White Win JPN Tamada Yoichi 2401.83
3 Black Draw JPN Mitsumori Masao 2257.59
4 Black Loss JPN Nagao Noriaki 2348.35
27th Kanto Championship
Date 2010-05-23 Rating 2331.27
Round Color Result Opponent
1 White Win JPN Maruta Hiroki 2035.02
2 Black Loss JPN Nakamura Shigeru 2760.88
3 White Loss JPN Tamura Kazumasa 2433.82
4 White Win JPN Tada Ayako 2167.71
5 White Loss JPN Nagao Noriaki 2346.50
Team World Championship
Date 2010-05-05 Rating 2331.19
Round Color Result Opponent
2 White Win EST Hõbemägi Martin 2161.27
6 Black Draw UKR Yakovleva Alyona 1947.26
5th All Japan Championship
Date 2010-03-21 Rating 2331.42
Round Color Result Opponent
1 White Win JPN Kusajima Masato 2108.72
2 White Loss JPN Okabe Hiroshi 2609.34
3 White Win JPN Shimoyama Takuma 2193.24
4 White Loss JPN Nakamura Shigeru 2754.75
5 White Loss JPN Kawasaki Nobuhiko 2150.67
6 White Win JPN Maruta Hiroki 2035.78
13th Mikami Cup Tournament
Date 2010-01-31 Rating 2332.78
Round Color Result Opponent
S1 White Win JPN Kataoka Mitsuaki 2153.07
S5 White Loss JPN Nakamura Shigeru 2754.43
26th Kanto Championship
Date 2009-05-17 Rating 2336.48
Round Color Result Opponent
2 White Loss JPN Tamura Kazumasa 2429.02
4 Black Win JPN Yamaguchi Yusui 2472.50
The 6th Shanghai Renju Meijin Invitation Tournament
Date 2009-05-03 Rating 2336.35
Round Color Result Opponent
1 Black Win CHN Xu Bin 2141.26
2 White Draw CHN Ge Lingfeng 2365.44
3 Black Loss CHN Qiu Yunfei 2380.51
4 Black Win JPN Mitsumori Masao 2278.40
5 White Loss CHN Yu Manjiang 2443.95
6 Black Loss JPN Oosumi Yuuki 2560.67
7 Black Draw JPN Iio Yoshihiro 2412.70
4th All Japan Championship
Date 2009-03-21 Rating 2336.56
Round Color Result Opponent
1 Black Win JPN Fujikawa Masaki 2000.32
2 Black Loss JPN Nakamura Shigeru 2743.48
3 Black Win JPN Tanizaki Ryusuke 2040.01
4 White Win JPN Miyoshi Takeo 2135.76
5 White Loss JPN Oosumi Yuuki 2557.95
6 White Win JPN Tamada Yoichi 2260.51
12th Mikami Cup Tournament
Date 2009-01-18 Rating 2334.08
Round Color Result Opponent
S2 White Loss JPN Kawamura Norihiko 2561.20
8th Kanto Renju Emperor Tournament 2nd round
Date 2007-12-16 Rating 2324.43
Round Color Result Opponent
1 White Win JPN Ono Takayuki 2310.70
2 White Win JPN Kurata Kiyotaka 2137.66
3 White Loss JPN Ishitani Shin-ichi 2271.92
4 White Loss JPN Okabe Hiroshi 2532.61
5 Black Loss JPN Nakamura Shigeru 2733.94
8 Kanto Renju Emperor Tournament 1st round
Date 2007-10-21 Rating 2323.74
Round Color Result Opponent
4 Black Win JPN Tanizaki Ryusuke 2046.49
The 45th Meijin-sen Tournament
Date 2007-09-17 Rating 2322.89
Round Color Result Opponent
1 Black Win JPN Iio Yoshihiro 2439.44
2 Black Win JPN Hiwatashi Kikuma 1808.32
3 Black Loss JPN Yamaguchi Yusui 2532.91
4 Black Draw JPN Miyoshi Takeo 2184.66
5 Black Win JPN Oosumi Yuuki 2460.85
6 Black Loss JPN Matsuura Hiroshi 2182.99
7 Black Win JPN Sato Kiyotomi 2259.95
8 Black Loss JPN Okabe Hiroshi 2519.90
9 Black Loss JPN Kawamura Norihiko 2542.48
The 5th Shanghai Renju Meijin Invitation Tournament
Date 2007-05-03 Rating 2317.08
Round Color Result Opponent
1 White Win CHN Zhu Jianfeng 2430.59
2 White Loss CHN Ge Lingfeng 2361.16
3 White Loss CHN Qiu Yunfei 2407.25
SF1 White Win CHN Zhang Yifeng 2363.06
SF3 Black Draw JPN Mitsumori Masao 2189.02
SF4 White Win CHN Ge Chongyu 2318.35
2nd All Japan Championship (WC Qualification)
Date 2007-03-25 Rating 2313.29
Round Color Result Opponent
1 Black Draw JPN Tanizaki Ryusuke 2048.77
2 White Win JPN Tanno Yoshitaka 2050.44
4 Black Win JPN Iio Yoshihiro 2427.63
5 Black Loss JPN Yamaguchi Yusui 2526.90
6 Black Loss JPN Sato Kiyotomi 2270.99
The 4th Shanghai Renju Meijin Invitation Tournament
Date 2006-03-20 Rating 2284.71
Round Color Result Opponent
1 White Draw CHN Wu Hao 2538.40
2 White Loss CHN Cao Dong 2491.84
3 Black Loss JPN Takashima Junya 2377.77
4 Black Win JPN Mitsumori Masao 2165.71
5 White Loss CHN Zhu Jianfeng 2401.17
6 Black Win CHN Ge Lingfeng 2298.26
7 White Loss CHN Wu Di 2520.42
41st Meijin-sen Tournament
Date 2003-09-15 Rating 2212.48
Round Color Result Opponent
1 White Win JPN Takashima Junya 2200.34
2 Black Draw JPN Kuga Akio 2264.76
3 White Loss JPN Kudomi Takahiro 2283.48
4 White Draw JPN Matsuura Hiroshi 2253.05
5 White Loss JPN Ishitani Shin-ichi 2261.50
6 White Loss JPN Okabe Hiroshi 2398.41
7 White Loss JPN Hasegawa Kazuto 2536.00
8 Black Loss JPN Iio Yoshihiro 2385.34
9 Black Loss JPN Miyagawa Junzo 2084.58
40th Meijin-sen Tournament
Date 2002-09-16 Rating 2225.71
Round Color Result Opponent
1 White Win JPN Matsuura Hiroshi 2193.95
2 White Win JPN Okabe Hiroshi 2342.00
3 White Draw JPN Hasegawa Kazuto 2519.42
4 Black Draw JPN Iio Yoshihiro 2326.54
5 White Loss JPN Takagawa Teiji 2247.69
6 Black Win JPN Ishitani Shin-ichi 2263.27
7 Black Draw JPN Kudomi Takahiro 2294.24
8 Black Loss JPN Yamaguchi Yusui 2487.45
9 White Loss JPN Nishimura Toshio 2222.84
World Championship BT
Date 1999-08-05 Rating 2174.31
Round Color Result Opponent
1 White Loss TPE Chen Chen-Kuo 2011.69
2 White Loss CHN Li Dong 1965.56
3 White Win SWE Gaulitz Joachim 2241.14
4 White Loss ARM Poghosyan Albert 2229.66
5 White Win CHN Zhao Kai 1969.89
6 White Win CHN Guan Jixian 1963.04
8 White Win SWE Holgersson Goran 2251.39
34th Meijin-sen Tournament
Date 1996-09-23 Rating 2145.70
Round Color Result Opponent
1 White Loss JPN Nara Hideki 2453.41
2 Black Draw JPN Nishimura Toshio 2244.24
3 White Loss JPN Yamaguchi Yusui 2333.77
4 White Draw JPN Maruyama Yasushi 2093.11
5 Black Loss JPN Nishizono Norio 2382.14
6 White Loss JPN Sagara Takashi 2408.55
7 White Win JPN Ooi Kozo 2219.95
8 White Win JPN Matsuura Hiroshi 2121.15
9 White Loss JPN Hasegawa Kazuto 2510.22