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