Isobe Taizan

Place: Omiya, Japan

Rating: 2355.94, Rank: -

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

Top rating: 2356.31 (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	2355.94
Round	Color	Result	Opponent
1	White	Win	Kon Akira	1922.24
2	White	Loss	Nakayama Tomoharu	2660.15
18 Mikami Cup Tournament
Date	2015-01-18		Rating	2356.31
Round	Color	Result	Opponent
S1	White	Loss	Nakamura Shigeru	2819.65
S2	Black	Draw	Okabe Hiroshi	2658.20
S3	Black	Draw	Ono Takayuki	2279.91
1st Senior Masters Championship
Date	2014-08-29		Rating	2355.20
Round	Color	Result	Opponent
1	Black	Win	Kato Yasuhiro	2027.48
2	Black	Win	Kubo Izumi	2023.53
3	Black	Win	Kobayashi Koichi	2186.74
4	Black	Draw	Ishitani Shin-ichi	2370.75
5	Black	Win	Mitsumori Masao	2267.87
6	Black	Win	Miura Hitoshi	1757.76
7	Black	Win	Miyagawa Junzo	2150.03
8S	Black	Draw	Ishitani Shin-ichi	2370.75
14th Mikami Cup S-class
Date	2014-01-19		Rating	2333.31
Round	Color	Result	Opponent
1	White	Loss	Tamura Kazumasa	2452.41
3	White	Loss	Fukui Nobuhiro	2526.91
5	Black	Loss	Ishitani Shin-ichi	2361.39
51 Meijinsen Qualification East-Japan area 1st round
Date	2013-06-16		Rating	2328.70
Round	Color	Result	Opponent
1	Black	Win	Maruta Koji	2101.79
2	Black	Loss	Kato Yasuhiro	2070.11
3	White	Loss	Tomobe Katsuhiro	2097.85
4	Black	Win	Kobayashi Koichi	2154.93
29th Kanto Championship
Date	2013-05-12		Rating	2330.88
Round	Color	Result	Opponent
1	Black	Loss	Maruta Hiroki	2076.68
2	Black	Draw	Mitsumori Masao	2269.49
3	Black	Win	Tada Ayako	2229.18
4	Black	Loss	Sato Kiyotomi	2374.52
5	White	Win	Iwano Fumio	2132.90
8th All Japan Championship
Date	2013-03-24		Rating	2336.62
Round	Color	Result	Opponent
1	Black	Win	Kubo Izumi	2023.89
2	Black	Loss	Nakamura Shigeru	2790.50
3	White	Loss	Okabe Hiroshi	2653.17
4	Black	Win	Mitsumori Masao	2273.19
5	Black	Win	Miyagawa Junzo	2149.55
6	White	Win	Ishitani Shin-ichi	2310.66
16th Mikami Cup Tournament
Date	2013-01-20		Rating	2339.03
Round	Color	Result	Opponent
S1	Black	Win	Kobayashi Koichi	2151.93
S2	Black	Loss	Nakamura Shigeru	2796.65
S3	White	Loss	Ono Takayuki	2340.33
S5	Black	Win	Ishitani Shin-ichi	2304.20
13 Kanto Renju Emperor Tournament 2nd round
Date	2013-01-13		Rating	2339.22
Round	Color	Result	Opponent
1	White	Loss	Nakamura Shigeru	2797.10
2	White	Draw	Ishitani Shin-ichi	2303.42
3	White	Loss	Okabe Hiroshi	2642.66
4	Black	Win	Kudomi Takahiro	2340.96
5	Black	Loss	Fukui Nobuhiro	2484.73
13 Kanto Renju Emperor Tournament 1st round
Date	2012-10-21		Rating	2341.99
Round	Color	Result	Opponent
1	Black	Loss	Fukui Nobuhiro	2471.70
2	White	Win	Iwano Fumio	2100.23
3	Black	Win	Kato Yasuhiro	2046.68
4	White	Win	Kudomi Takahiro	2341.32
50 Meijinsen Qualification East-Japan area 1st round
Date	2012-06-03		Rating	2341.08
Round	Color	Result	Opponent
1	White	Loss	Kobayashi Koichi	2163.62
2	Black	Loss	Maruta Hiroki	2039.47
3	White	Win	Iwano Fumio	2086.78
4	White	Loss	Ono Takayuki	2352.81
29th Kanto Championship
Date	2012-05-13		Rating	2343.88
Round	Color	Result	Opponent
1	White	Loss	Fukui Nobuhiro	2434.43
2	White	Win	Tada Ayako	2222.73
3	Black	Win	Kudomi Takahiro	2347.20
4	Black	Win	Iwano Fumio	2085.07
5	White	Loss	Nakamura Shigeru	2799.58
15th Mikami Cup Tournament
Date	2012-03-11		Rating	2349.56
Round	Color	Result	Opponent
S1	Black	Loss	Oosumi Yuuki	2710.42
S2	Black	Win	Kobayashi Koichi	2150.79
S3	Black	Win	Ishitani Shin-ichi	2308.11
S4	White	Win	Kudomi Takahiro	2346.05
S5	White	Loss	Nakamura Shigeru	2794.50
7th All Japan Championship
Date	2012-01-29		Rating	2350.24
Round	Color	Result	Opponent
1	White	Win	Fujikawa Masaki	2004.63
2	Black	Win	Okabe Hiroshi	2623.52
3	Black	Loss	Oosumi Yuuki	2707.17
4	White	Loss	Ono Takayuki	2347.41
5	Black	Draw	Tada Ayako	2213.21
6	White	Draw	Fukui Nobuhiro	2412.70
12 Kanto Renju Emperor Tournament 1st round
Date	2011-10-23		Rating	2350.16
Round	Color	Result	Opponent
1	Black	Win	Maruta Hiroki	2034.47
2	White	Loss	Nakayama Tomoharu	2511.95
3	Black	Win	Koyama Jun	2394.35
4	Black	Win	Kamiya Shunsuke	2392.30
49 Meijinsen Qualification East-Japan area 2nd round
Date	2011-07-10		Rating	2342.43
Round	Color	Result	Opponent
1	White	Loss	Kamiya Shunsuke	2377.62
2	White	Draw	Nakayama Tomoharu	2492.83
4	Black	Draw	Nagao Noriaki	2366.68
5	Black	Loss	Yamaguchi Yusui	2550.75
49 Meijinsen Qualification East-Japan area 1st round
Date	2011-06-12		Rating	2341.28
Round	Color	Result	Opponent
1	White	Win	Koyama Jun	2391.65
2	Black	Loss	Kamiya Shunsuke	2376.50
3	Black	Win	Maruta Hiroki	2052.46
4	Black	Draw	Nagao Noriaki	2367.23
28th Kanto Championship
Date	2011-05-22		Rating	2339.93
Round	Color	Result	Opponent
1	Black	Loss	Tomobe Katsuhiro	2160.51
2	White	Loss	Iwano Fumio	2081.81
3	Black	Win	Maruta Hiroki	2054.25
4	Black	Win	Suzuki Rin	1939.56
5	Black	Win	Ono Takayuki	2330.87
14th Mikami Cup Tournament
Date	2011-01-30		Rating	2339.48
Round	Color	Result	Opponent
S1	Black	Loss	Oosumi Yuuki	2655.28
S2	White	Win	Ishitani Shin-ichi	2318.20
S3	Black	Win	Gakumazawa Hideaki	2033.34
S4	White	Loss	Nakamura Shigeru	2768.84
11 Kanto Renju Emperor Tournament 1st round
Date	2010-10-31		Rating	2336.43
Round	Color	Result	Opponent
1	Black	Win	Tomobe Katsuhiro	2155.50
4	White	Loss	Nakayama Tomoharu	2455.86
Meijinsen Qualification East-Japan area 1st round
Date	2010-06-27		Rating	2332.89
Round	Color	Result	Opponent
1	Black	Win	Tanno Yoshitaka	2032.07
2	White	Win	Tamada Yoichi	2401.99
3	Black	Draw	Mitsumori Masao	2257.82
4	Black	Loss	Nagao Noriaki	2348.51
27th Kanto Championship
Date	2010-05-23		Rating	2331.49
Round	Color	Result	Opponent
1	White	Win	Maruta Hiroki	2035.22
2	Black	Loss	Nakamura Shigeru	2760.96
3	White	Loss	Tamura Kazumasa	2433.93
4	White	Win	Tada Ayako	2167.94
5	White	Loss	Nagao Noriaki	2346.65
Team World Championship
Date	2010-05-05		Rating	2331.40
Round	Color	Result	Opponent
2	White	Win	Hõbemägi Martin	2161.35
6	Black	Draw	Yakovleva Alyona	1949.05
5th All Japan Championship
Date	2010-03-21		Rating	2331.62
Round	Color	Result	Opponent
1	White	Win	Kusajima Masato	2109.43
2	White	Loss	Okabe Hiroshi	2609.39
3	White	Win	Shimoyama Takuma	2193.37
4	White	Loss	Nakamura Shigeru	2754.83
5	White	Loss	Kawasaki Nobuhiko	2150.80
6	White	Win	Maruta Hiroki	2035.97
13th Mikami Cup Tournament
Date	2010-01-31		Rating	2332.96
Round	Color	Result	Opponent
S1	White	Win	Kataoka Mitsuaki	2155.05
S5	White	Loss	Nakamura Shigeru	2754.49
26th Kanto Championship
Date	2009-05-17		Rating	2336.54
Round	Color	Result	Opponent
2	White	Loss	Tamura Kazumasa	2429.06
4	Black	Win	Yamaguchi Yusui	2472.52
The 6th Shanghai Renju Meijin Invitation Tournament
Date	2009-05-03		Rating	2336.41
Round	Color	Result	Opponent
1	Black	Win	Xu Bin	2140.78
2	White	Draw	Ge Lingfeng	2364.86
3	Black	Loss	Qiu Yunfei	2380.10
4	Black	Win	Mitsumori Masao	2278.44
5	White	Loss	Yu Manjiang	2443.65
6	Black	Loss	Oosumi Yuuki	2560.63
7	Black	Draw	Iio Yoshihiro	2412.67
4th All Japan Championship
Date	2009-03-21		Rating	2336.61
Round	Color	Result	Opponent
1	Black	Win	Fujikawa Masaki	2000.51
2	Black	Loss	Nakamura Shigeru	2743.52
3	Black	Win	Tanizaki Ryusuke	2040.26
4	White	Win	Miyoshi Takeo	2135.83
5	White	Loss	Oosumi Yuuki	2557.91
6	White	Win	Tamada Yoichi	2260.60
12th Mikami Cup Tournament
Date	2009-01-18		Rating	2334.12
Round	Color	Result	Opponent
S2	White	Loss	Kawamura Norihiko	2561.23
8th Kanto Renju Emperor Tournament 2nd round
Date	2007-12-16		Rating	2324.38
Round	Color	Result	Opponent
1	White	Win	Ono Takayuki	2310.71
2	White	Win	Kurata Kiyotaka	2137.63
3	White	Loss	Ishitani Shin-ichi	2271.82
4	White	Loss	Okabe Hiroshi	2532.52
5	Black	Loss	Nakamura Shigeru	2733.97
8 Kanto Renju Emperor Tournament 1st round
Date	2007-10-21		Rating	2323.67
Round	Color	Result	Opponent
4	Black	Win	Tanizaki Ryusuke	2046.61
The 45th Meijin-sen Tournament
Date	2007-09-17		Rating	2322.82
Round	Color	Result	Opponent
1	Black	Win	Iio Yoshihiro	2439.31
2	Black	Win	Hiwatashi Kikuma	1808.83
3	Black	Loss	Yamaguchi Yusui	2532.79
4	Black	Draw	Miyoshi Takeo	2184.61
5	Black	Win	Oosumi Yuuki	2460.74
6	Black	Loss	Matsuura Hiroshi	2182.85
7	Black	Win	Sato Kiyotomi	2259.96
8	Black	Loss	Okabe Hiroshi	2519.78
9	Black	Loss	Kawamura Norihiko	2542.44
The 5th Shanghai Renju Meijin Invitation Tournament
Date	2007-05-03		Rating	2316.98
Round	Color	Result	Opponent
1	White	Win	Zhu Jianfeng	2430.22
2	White	Loss	Ge Lingfeng	2360.76
3	White	Loss	Qiu Yunfei	2406.97
SF1	White	Win	Zhang Yifeng	2362.61
SF3	Black	Draw	Mitsumori Masao	2188.80
SF4	White	Win	Ge Chongyu	2317.96
2nd All Japan Championship (WC Qualification)
Date	2007-03-25		Rating	2313.19
Round	Color	Result	Opponent
1	Black	Draw	Tanizaki Ryusuke	2048.86
2	White	Win	Tanno Yoshitaka	2050.77
4	Black	Win	Iio Yoshihiro	2427.47
5	Black	Loss	Yamaguchi Yusui	2526.72
6	Black	Loss	Sato Kiyotomi	2270.95
The 4th Shanghai Renju Meijin Invitation Tournament
Date	2006-03-20		Rating	2284.55
Round	Color	Result	Opponent
1	White	Draw	Wu Hao	2538.15
2	White	Loss	Cao Dong	2491.50
3	Black	Loss	Takashima Junya	2377.57
4	Black	Win	Mitsumori Masao	2165.39
5	White	Loss	Zhu Jianfeng	2400.82
6	Black	Win	Ge Lingfeng	2297.92
7	White	Loss	Wu Di	2520.10
41st Meijin-sen Tournament
Date	2003-09-15		Rating	2212.28
Round	Color	Result	Opponent
1	White	Win	Takashima Junya	2200.09
2	Black	Draw	Kuga Akio	2264.51
3	White	Loss	Kudomi Takahiro	2282.84
4	White	Draw	Matsuura Hiroshi	2252.71
5	White	Loss	Ishitani Shin-ichi	2260.84
6	White	Loss	Okabe Hiroshi	2398.17
7	White	Loss	Hasegawa Kazuto	2535.79
8	Black	Loss	Iio Yoshihiro	2384.79
9	Black	Loss	Miyagawa Junzo	2084.35
40th Meijin-sen Tournament
Date	2002-09-16		Rating	2225.56
Round	Color	Result	Opponent
1	White	Win	Matsuura Hiroshi	2193.56
2	White	Win	Okabe Hiroshi	2341.82
3	White	Draw	Hasegawa Kazuto	2519.26
4	Black	Draw	Iio Yoshihiro	2325.96
5	White	Loss	Takagawa Teiji	2247.35
6	Black	Win	Ishitani Shin-ichi	2262.72
7	Black	Draw	Kudomi Takahiro	2293.79
8	Black	Loss	Yamaguchi Yusui	2486.99
9	White	Loss	Nishimura Toshio	2222.44
World Championship BT
Date	1999-08-05		Rating	2174.52
Round	Color	Result	Opponent
1	White	Loss	Chen Chen-Kuo	2013.32
2	White	Loss	Li Dong	1965.83
3	White	Win	Gaulitz Joachim	2242.11
4	White	Loss	Poghosyan Albert	2229.90
5	White	Win	Zhao Kai	1970.33
6	White	Win	Guan Jixian	1965.54
8	White	Win	Holgersson Goran	2252.47
34th Meijin-sen Tournament
Date	1996-09-23		Rating	2145.75
Round	Color	Result	Opponent
1	White	Loss	Nara Hideki	2453.36
2	Black	Draw	Nishimura Toshio	2243.88
3	White	Loss	Yamaguchi Yusui	2332.42
4	White	Draw	Maruyama Yasushi	2092.91
5	Black	Loss	Nishizono Norio	2382.34
6	White	Loss	Sagara Takashi	2408.97
7	White	Win	Ooi Kozo	2220.66
8	White	Win	Matsuura Hiroshi	2120.48
9	White	Loss	Hasegawa Kazuto	2510.34