JPN Isobe Taizan

Place: Omiya, Japan

Rating: 2347.30, Rank: 138

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

Top rating: 2347.67 (2015-01-18)

Games: 182, Wins: 77, Draws: 26, Losses: 79

Gy1: 0, Gy2: 0, Gy5: 2

10th All Japan Championship
Date 2015-03-29 Rating 2347.30
Round Color Result Opponent
1 White Win JPN Kon Akira 1914.79
2 White Loss JPN Nakayama Tomoharu 2650.31
18 Mikami Cup Tournament
Date 2015-01-18 Rating 2347.67
Round Color Result Opponent
S1 White Loss JPN Nakamura Shigeru 2811.15
S2 Black Draw JPN Okabe Hiroshi 2648.89
S3 Black Draw JPN Ono Takayuki 2270.01
1st Senior Masters Championship
Date 2014-08-29 Rating 2346.59
Round Color Result Opponent
1 Black Win JPN Kato Yasuhiro 2015.56
2 Black Win JPN Kubo Izumi 2015.73
3 Black Win JPN Kobayashi Koichi 2179.22
4 Black Draw JPN Ishitani Shin-ichi 2361.39
5 Black Win JPN Mitsumori Masao 2258.69
6 Black Win JPN Miura Hitoshi 1752.31
7 Black Win JPN Miyagawa Junzo 2140.92
8S Black Draw JPN Ishitani Shin-ichi 2361.39
14th Mikami Cup S-class
Date 2014-01-19 Rating 2324.80
Round Color Result Opponent
1 White Loss JPN Tamura Kazumasa 2444.30
3 White Loss JPN Fukui Nobuhiro 2518.28
5 Black Loss JPN Ishitani Shin-ichi 2352.20
51 Meijinsen Qualification East-Japan area 1st round
Date 2013-06-16 Rating 2320.31
Round Color Result Opponent
1 Black Win JPN Maruta Koji 2093.16
2 Black Loss JPN Kato Yasuhiro 2060.67
3 White Loss JPN Tomobe Katsuhiro 2088.51
4 Black Win JPN Kobayashi Koichi 2147.20
29th Kanto Championship
Date 2013-05-12 Rating 2322.51
Round Color Result Opponent
1 Black Loss JPN Maruta Hiroki 2068.15
2 Black Draw JPN Mitsumori Masao 2260.79
3 Black Win JPN Tada Ayako 2221.02
4 Black Loss JPN Sato Kiyotomi 2366.25
5 White Win JPN Iwano Fumio 2124.31
8th All Japan Championship
Date 2013-03-24 Rating 2328.28
Round Color Result Opponent
1 Black Win JPN Kubo Izumi 2016.17
2 Black Loss JPN Nakamura Shigeru 2783.12
3 White Loss JPN Okabe Hiroshi 2644.20
4 Black Win JPN Mitsumori Masao 2264.55
5 Black Win JPN Miyagawa Junzo 2140.88
6 White Win JPN Ishitani Shin-ichi 2301.93
16th Mikami Cup Tournament
Date 2013-01-20 Rating 2330.74
Round Color Result Opponent
S1 Black Win JPN Kobayashi Koichi 2144.25
S2 Black Loss JPN Nakamura Shigeru 2789.51
S3 White Loss JPN Ono Takayuki 2331.67
S5 Black Win JPN Ishitani Shin-ichi 2295.64
13 Kanto Renju Emperor Tournament 2nd round
Date 2013-01-13 Rating 2330.94
Round Color Result Opponent
1 White Loss JPN Nakamura Shigeru 2789.98
2 White Draw JPN Ishitani Shin-ichi 2294.89
3 White Loss JPN Okabe Hiroshi 2633.73
4 Black Win JPN Kudomi Takahiro 2331.94
5 Black Loss JPN Fukui Nobuhiro 2476.47
13 Kanto Renju Emperor Tournament 1st round
Date 2012-10-21 Rating 2333.78
Round Color Result Opponent
1 Black Loss JPN Fukui Nobuhiro 2463.52
2 White Win JPN Iwano Fumio 2092.02
3 Black Win JPN Kato Yasuhiro 2038.11
4 White Win JPN Kudomi Takahiro 2332.49
50 Meijinsen Qualification East-Japan area 1st round
Date 2012-06-03 Rating 2333.00
Round Color Result Opponent
1 White Loss JPN Kobayashi Koichi 2156.15
2 Black Loss JPN Maruta Hiroki 2031.64
3 White Win JPN Iwano Fumio 2078.80
4 White Loss JPN Ono Takayuki 2344.45
29th Kanto Championship
Date 2012-05-13 Rating 2335.82
Round Color Result Opponent
1 White Loss JPN Fukui Nobuhiro 2426.51
2 White Win JPN Tada Ayako 2214.93
3 Black Win JPN Kudomi Takahiro 2338.67
4 Black Win JPN Iwano Fumio 2077.12
5 White Loss JPN Nakamura Shigeru 2793.84
15th Mikami Cup Tournament
Date 2012-03-11 Rating 2341.55
Round Color Result Opponent
S1 Black Loss JPN Oosumi Yuuki 2703.42
S2 Black Win JPN Kobayashi Koichi 2143.40
S3 Black Win JPN Ishitani Shin-ichi 2300.24
S4 White Win JPN Kudomi Takahiro 2337.66
S5 White Loss JPN Nakamura Shigeru 2789.29
7th All Japan Championship
Date 2012-01-29 Rating 2342.27
Round Color Result Opponent
1 White Win JPN Fujikawa Masaki 1996.61
2 Black Win JPN Okabe Hiroshi 2614.77
3 Black Loss JPN Oosumi Yuuki 2700.13
4 White Loss JPN Ono Takayuki 2339.18
5 Black Draw JPN Tada Ayako 2205.53
6 White Draw JPN Fukui Nobuhiro 2404.91
12 Kanto Renju Emperor Tournament 1st round
Date 2011-10-23 Rating 2342.25
Round Color Result Opponent
1 Black Win JPN Maruta Hiroki 2026.98
2 White Loss JPN Nakayama Tomoharu 2503.54
3 Black Win JPN Koyama Jun 2386.21
4 Black Win JPN Kamiya Shunsuke 2384.53
49 Meijinsen Qualification East-Japan area 2nd round
Date 2011-07-10 Rating 2334.60
Round Color Result Opponent
1 White Loss JPN Kamiya Shunsuke 2369.96
2 White Draw JPN Nakayama Tomoharu 2484.70
4 Black Draw JPN Nagao Noriaki 2358.98
5 Black Loss JPN Yamaguchi Yusui 2543.26
49 Meijinsen Qualification East-Japan area 1st round
Date 2011-06-12 Rating 2333.48
Round Color Result Opponent
1 White Win JPN Koyama Jun 2383.68
2 Black Loss JPN Kamiya Shunsuke 2368.87
3 Black Win JPN Maruta Hiroki 2045.10
4 Black Draw JPN Nagao Noriaki 2359.54
28th Kanto Championship
Date 2011-05-22 Rating 2332.14
Round Color Result Opponent
1 Black Loss JPN Tomobe Katsuhiro 2152.91
2 White Loss JPN Iwano Fumio 2074.35
3 Black Win JPN Maruta Hiroki 2046.92
4 Black Win JPN Suzuki Rin 1932.45
5 Black Win JPN Ono Takayuki 2322.91
14th Mikami Cup Tournament
Date 2011-01-30 Rating 2331.76
Round Color Result Opponent
S1 Black Loss JPN Oosumi Yuuki 2647.95
S2 White Win JPN Ishitani Shin-ichi 2310.73
S3 Black Win JPN Gakumazawa Hideaki 2027.65
S4 White Loss JPN Nakamura Shigeru 2768.45
11 Kanto Renju Emperor Tournament 1st round
Date 2010-10-31 Rating 2328.73
Round Color Result Opponent
1 Black Win JPN Tomobe Katsuhiro 2148.23
4 White Loss JPN Nakayama Tomoharu 2448.23
Meijinsen Qualification East-Japan area 1st round
Date 2010-06-27 Rating 2325.23
Round Color Result Opponent
1 Black Win JPN Tanno Yoshitaka 2026.47
2 White Win JPN Tamada Yoichi 2394.69
3 Black Draw JPN Mitsumori Masao 2249.69
4 Black Loss JPN Nagao Noriaki 2341.01
27th Kanto Championship
Date 2010-05-23 Rating 2323.82
Round Color Result Opponent
1 White Win JPN Maruta Hiroki 2028.28
2 Black Loss JPN Nakamura Shigeru 2765.02
3 White Loss JPN Tamura Kazumasa 2426.87
4 White Win JPN Tada Ayako 2160.98
5 White Loss JPN Nagao Noriaki 2339.17
Team World Championship
Date 2010-05-05 Rating 2323.73
Round Color Result Opponent
2 White Win EST Hõbemägi Martin 2153.56
6 Black Draw UKR Yakovleva Alyona 1939.58
5th All Japan Championship
Date 2010-03-21 Rating 2323.93
Round Color Result Opponent
1 White Win JPN Kusajima Masato 2103.56
2 White Loss JPN Okabe Hiroshi 2599.58
3 White Win JPN Shimoyama Takuma 2186.71
4 White Loss JPN Nakamura Shigeru 2760.65
5 White Loss JPN Kawasaki Nobuhiko 2144.38
6 White Win JPN Maruta Hiroki 2029.10
13th Mikami Cup Tournament
Date 2010-01-31 Rating 2325.22
Round Color Result Opponent
S1 White Win JPN Kataoka Mitsuaki 2151.36
S5 White Loss JPN Nakamura Shigeru 2762.11
26th Kanto Championship
Date 2009-05-17 Rating 2328.33
Round Color Result Opponent
2 White Loss JPN Tamura Kazumasa 2421.82
4 Black Win JPN Yamaguchi Yusui 2465.65
The 6th Shanghai Renju Meijin Invitation Tournament
Date 2009-05-03 Rating 2328.17
Round Color Result Opponent
1 Black Win CHN Xu Bin 2119.21
2 White Draw CHN Ge Lingfeng 2341.46
3 Black Loss CHN Qiu Yunfei 2367.18
4 Black Win JPN Mitsumori Masao 2269.49
5 White Loss CHN Yu Manjiang 2430.82
6 Black Loss JPN Oosumi Yuuki 2552.64
7 Black Draw JPN Iio Yoshihiro 2404.33
4th All Japan Championship
Date 2009-03-21 Rating 2328.44
Round Color Result Opponent
1 Black Win JPN Fujikawa Masaki 1994.00
2 Black Loss JPN Nakamura Shigeru 2767.82
3 Black Win JPN Tanizaki Ryusuke 2033.53
4 White Win JPN Miyoshi Takeo 2128.60
5 White Loss JPN Oosumi Yuuki 2549.96
6 White Win JPN Tamada Yoichi 2253.61
12th Mikami Cup Tournament
Date 2009-01-18 Rating 2325.96
Round Color Result Opponent
S2 White Loss JPN Kawamura Norihiko 2555.28
8th Kanto Renju Emperor Tournament 2nd round
Date 2007-12-16 Rating 2316.25
Round Color Result Opponent
1 White Win JPN Ono Takayuki 2304.19
2 White Win JPN Kurata Kiyotaka 2131.81
3 White Loss JPN Ishitani Shin-ichi 2263.59
4 White Loss JPN Okabe Hiroshi 2512.67
5 Black Loss JPN Nakamura Shigeru 2774.13
8 Kanto Renju Emperor Tournament 1st round
Date 2007-10-21 Rating 2315.50
Round Color Result Opponent
4 Black Win JPN Tanizaki Ryusuke 2040.31
The 45th Meijin-sen Tournament
Date 2007-09-17 Rating 2314.62
Round Color Result Opponent
1 Black Win JPN Iio Yoshihiro 2430.71
2 Black Win JPN Hiwatashi Kikuma 1806.61
3 Black Loss JPN Yamaguchi Yusui 2527.63
4 Black Draw JPN Miyoshi Takeo 2176.65
5 Black Win JPN Oosumi Yuuki 2452.77
6 Black Loss JPN Matsuura Hiroshi 2174.51
7 Black Win JPN Sato Kiyotomi 2252.22
8 Black Loss JPN Okabe Hiroshi 2500.81
9 Black Loss JPN Kawamura Norihiko 2535.31
The 5th Shanghai Renju Meijin Invitation Tournament
Date 2007-05-03 Rating 2308.70
Round Color Result Opponent
1 White Win CHN Zhu Jianfeng 2417.82
2 White Loss CHN Ge Lingfeng 2346.48
3 White Loss CHN Qiu Yunfei 2396.79
SF1 White Win CHN Zhang Yifeng 2352.49
SF3 Black Draw JPN Mitsumori Masao 2178.93
SF4 White Win CHN Ge Chongyu 2305.55
2nd All Japan Championship (WC Qualification)
Date 2007-03-25 Rating 2304.97
Round Color Result Opponent
1 Black Draw JPN Tanizaki Ryusuke 2042.65
2 White Win JPN Tanno Yoshitaka 2045.54
4 Black Win JPN Iio Yoshihiro 2418.97
5 Black Loss JPN Yamaguchi Yusui 2523.83
6 Black Loss JPN Sato Kiyotomi 2263.20
The 4th Shanghai Renju Meijin Invitation Tournament
Date 2006-03-20 Rating 2276.61
Round Color Result Opponent
1 White Draw CHN Wu Hao 2529.01
2 White Loss CHN Cao Dong 2482.12
3 Black Loss JPN Takashima Junya 2369.04
4 Black Win JPN Mitsumori Masao 2154.36
5 White Loss CHN Zhu Jianfeng 2390.13
6 Black Win CHN Ge Lingfeng 2286.22
7 White Loss CHN Wu Di 2510.67
41st Meijin-sen Tournament
Date 2003-09-15 Rating 2206.22
Round Color Result Opponent
1 White Win JPN Takashima Junya 2191.25
2 Black Draw JPN Kuga Akio 2256.97
3 White Loss JPN Kudomi Takahiro 2276.17
4 White Draw JPN Matsuura Hiroshi 2243.35
5 White Loss JPN Ishitani Shin-ichi 2237.72
6 White Loss JPN Okabe Hiroshi 2381.59
7 White Loss JPN Hasegawa Kazuto 2527.89
8 Black Loss JPN Iio Yoshihiro 2375.63
9 Black Loss JPN Miyagawa Junzo 2076.33
40th Meijin-sen Tournament
Date 2002-09-16 Rating 2221.72
Round Color Result Opponent
1 White Win JPN Matsuura Hiroshi 2184.69
2 White Win JPN Okabe Hiroshi 2328.16
3 White Draw JPN Hasegawa Kazuto 2510.58
4 Black Draw JPN Iio Yoshihiro 2317.38
5 White Loss JPN Takagawa Teiji 2238.02
6 Black Win JPN Ishitani Shin-ichi 2240.72
7 Black Draw JPN Kudomi Takahiro 2287.23
8 Black Loss JPN Yamaguchi Yusui 2484.40
9 White Loss JPN Nishimura Toshio 2214.76
34th Meijin-sen Tournament
Date 1996-09-23 Rating 2148.86
Round Color Result Opponent
1 White Loss JPN Nara Hideki 2463.52
2 Black Draw JPN Nishimura Toshio 2239.14
3 White Loss JPN Yamaguchi Yusui 2328.82
4 White Draw JPN Maruyama Yasushi 2088.94
5 Black Loss JPN Nishizono Norio 2375.39
6 White Loss JPN Sagara Takashi 2401.01
7 White Win JPN Ooi Kozo 2216.40
8 White Win JPN Matsuura Hiroshi 2113.56
9 White Loss JPN Hasegawa Kazuto 2501.71