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