Kubo Izumi (久保出美)

Place: Kobe, Japan

Rating: 2132.94, Std: 283.05, Rank: -

First game: 1994-08-07, Last game: 2016-10-23

Top rating: 2231.42 (2003-03-22)

Games: 293, Wins: 96, Draws: 22, Losses: 175

Gy1: 0, Gy2: 0, Gy5: 0

12 Kansai Championship 1st round
Date	2016-10-23		Rating	2132.94
Round	Color	Result	Opponent
1	Black	Win	Sakamoto Suzan	2281.97
2	Black	Loss	Hasegawa Kazuto	2642.85
54 Meijinsen Qualification Kansai area 1st round
Date	2016-05-15		Rating	2121.28
Round	Color	Result	Opponent
1	White	Loss	Kawamura Norihiko	2617.92
2	Black	Win	Nishida Toshio	2088.86
3	Black	Loss	Sakamoto Suzan	2285.83
4	Black	Win	Ozawa Tetsushi	2039.63
11 Kansai Championship 1st round
Date	2015-10-25		Rating	2095.21
Round	Color	Result	Opponent
1	Black	Loss	Tachi Masaya	2477.49
2	White	Loss	Sakamoto Suzan	2287.24
3	White	Loss	Matsui Tsunehiro	2218.40
5	White	Draw	Kashihara Akihiko	2344.29
12th Middle-dan Players Tournament
Date	2015-07-20		Rating	2086.74
Round	Color	Result	Opponent
1	Black	Loss	Kusajima Masato	2266.91
3	Black	Draw	Kashihara Akihiko	2334.76
4	Black	Loss	Miyagawa Junzo	2249.43
5	White	Loss	Yoshida Hisao	2172.21
6	White	Loss	Kobayashi Koichi	2287.30
53 Meijinsen Qualification Kansai area 1st round
Date	2015-05-17		Rating	2087.24
Round	Color	Result	Opponent
1	Black	Loss	Kawamura Norihiko	2645.35
2	Black	Loss	Tachi Masaya	2484.24
3	Black	Win	Kon Akira	1980.74
4	Black	Loss	Hata Masayuki	2191.97
10th All Japan Championship
Date	2015-03-29		Rating	2088.35
Round	Color	Result	Opponent
1	Black	Loss	Nagao Noriaki	2282.68
2	Black	Win	Miyagawa Junzo	2246.60
3	Black	Loss	Mitsumori Masao	2328.36
4	Black	Loss	Mano Yoshihisa	2354.16
5	Black	Win	Kato Yasuhiro	2066.62
6	White	Loss	Ono Takayuki	2337.82
10 Kansai Championship 1st round
Date	2014-10-26		Rating	2085.59
Round	Color	Result	Opponent
1	White	Loss	Tachi Masaya	2467.18
2	Black	Loss	Sakamoto Suzan	2299.51
4	Black	Loss	Kon Akira	1995.01
5	Black	Loss	Miyagawa Junzo	2232.10
1st Senior Masters Championship
Date	2014-08-29		Rating	2092.64
Round	Color	Result	Opponent
1	Black	Loss	Kobayashi Koichi	2253.88
2	White	Loss	Isobe Taizan	2434.07
3	Black	Win	Kato Yasuhiro	2092.77
4	Black	Loss	Mitsumori Masao	2341.04
5	White	Loss	Ishitani Shin-ichi	2454.93
6	Black	Win	Miyagawa Junzo	2222.21
7	Black	Loss	Miura Hitoshi	1804.10
52 Meijinsen Qualification Kansai area 1st round
Date	2014-05-18		Rating	2109.40
Round	Color	Result	Opponent
1	Black	Loss	Tachi Masaya	2443.10
2	Black	Win	Kon Akira	1988.11
3	White	Win	Ozawa Tetsushi	2066.51
4	White	Draw	Kashihara Akihiko	2348.60
9th All Japan Championship
Date	2014-01-26		Rating	2115.91
Round	Color	Result	Opponent
1	White	Win	Kashihara Akihiko	2341.01
2	White	Loss	Tamura Kazumasa	2525.43
3	Black	Loss	Tada Ayako	2319.79
4	White	Win	Kobayashi Koichi	2234.65
5	White	Loss	Mano Yoshihisa	2318.75
6	Black	Win	Yamamoto Yasuhiro	2151.11
9th Kansai Championship 1st round
Date	2013-10-27		Rating	2106.65
Round	Color	Result	Opponent
1	Black	Win	Kon Akira	1983.72
2	Black	Loss	Sakamoto Suzan	2305.53
3	Black	Loss	Iio Yoshihiro	2533.14
5	Black	Win	Watanabe Nobuo	2032.81
11th Middle-dan players Tournament
Date	2013-08-17		Rating	2096.22
Round	Color	Result	Opponent
1	White	Loss	Mano Yoshihisa	2316.93
2	Black	Loss	Kobayashi Koichi	2229.13
3	Black	Loss	Miyagawa Junzo	2221.86
4	Black	Loss	Maruta Koji	2177.70
5	Black	Loss	Maruta Hiroki	2139.74
6	Black	Win	Kato Yasuhiro	2136.52
51 Meijinsen Qualification Kansai area 1st round
Date	2013-05-19		Rating	2094.28
Round	Color	Result	Opponent
1	Black	Win	Koiso Shigemasa	2161.36
2	Black	Loss	Hata Masayuki	2272.30
3	White	Loss	Iio Yoshihiro	2494.22
5	Black	Loss	Matsui Tsunehiro	2189.43
8th All Japan Championship
Date	2013-03-24		Rating	2093.87
Round	Color	Result	Opponent
1	White	Loss	Isobe Taizan	2406.85
2	Black	Loss	Mitsumori Masao	2342.70
3	Black	Loss	Miyagawa Junzo	2221.71
4	Black	Win	Tomobe Katsuhiro	2165.54
5	Black	Loss	Suzuki Rin	2052.34
6	White	Win	Kato Yasuhiro	2147.01
10th Middle-dan players Tournament
Date	2012-08-26		Rating	2093.23
Round	Color	Result	Opponent
1	Black	Loss	Kashihara Akihiko	2313.49
2	Black	Win	Mano Yoshihisa	2256.44
3	Black	Loss	Fukui Nobuhiro	2539.04
4	Black	Win	Kato Yasuhiro	2101.75
5	Black	Loss	Maruyama Yasushi	2257.78
6	White	Loss	Yamamoto Yasuhiro	2163.54
50 Meijinsen Qualification Kansai area 1st round
Date	2012-05-20		Rating	2090.09
Round	Color	Result	Opponent
1	White	Loss	Sakamoto Suzan	2341.99
2	Black	Loss	Hata Masayuki	2237.22
4	White	Loss	Nakajima Osamu	2241.31
5	Black	Loss	Koiso Shigemasa	2177.55
7th All Japan Championship
Date	2012-01-29		Rating	2100.97
Round	Color	Result	Opponent
1	Black	Loss	Tamada Yoichi	2490.03
2	Black	Win	Kon Akira	2021.34
3	Black	Loss	Ishitani Shin-ichi	2381.91
4	Black	Win	Kato Yasuhiro	2073.89
5	White	Loss	Kudomi Takahiro	2428.36
6	Black	Loss	Tada Ayako	2274.52
43 Kyoto Classified Tournament
Date	2011-11-13		Rating	2106.86
Round	Color	Result	Opponent
S5	Black	Loss	Iio Yoshihiro	2485.18
7th Kansai Championship 1st round
Date	2011-10-23		Rating	2108.70
Round	Color	Result	Opponent
1	Black	Loss	Kise Katsumi	2548.46
2	Black	Win	Kon Akira	2020.39
3	White	Loss	Takahashi Roi	2110.74
4	Black	Loss	Miyagawa Junzo	2223.49
5	White	Loss	Hata Masayuki	2234.72
49th Meijinsen Tournament
Date	2011-09-19		Rating	2114.94
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2709.56
2	White	Win	Sakashita Shoichi	2148.31
3	White	Loss	Miyoshi Takeo	2162.71
4	Black	Loss	Yamaguchi Yusui	2656.25
5	White	Loss	Kashihara Akihiko	2261.08
6	White	Loss	Iio Yoshihiro	2496.44
7	White	Draw	Hasegawa Kazuto	2560.51
8	White	Win	Matsuura Hiroshi	2383.50
9	White	Loss	Nakayama Tomoharu	2582.53
49 Meijinsen Qualification Kansai area 2nd round
Date	2011-06-19		Rating	2123.34
Round	Color	Result	Opponent
1	Black	Loss	Iio Yoshihiro	2510.80
2	White	Win	Kise Katsumi	2545.22
3	White	Draw	Kashihara Akihiko	2256.99
49 Meijinsen Qualification Kansai area 1st round
Date	2011-05-15		Rating	2122.63
Round	Color	Result	Opponent
1	Black	Win	Kon Akira	2012.09
2	Black	Loss	Kise Katsumi	2542.17
3	White	Win	Yasumoto Yoshinobu	1950.85
4	Black	Win	Miyagawa Junzo	2213.94
5	Black	Loss	Kashihara Akihiko	2255.56
6th Kansai Championship 3rd round
Date	2011-01-09		Rating	2108.21
Round	Color	Result	Opponent
1	Black	Loss	Miyagawa Junzo	2226.42
2	White	Loss	Hata Masayuki	2188.94
3	Black	Loss	Oosumi Yuuki	2735.60
42 Kyoto Classified Tournament
Date	2010-11-14		Rating	2106.46
Round	Color	Result	Opponent
S1	White	Loss	Kudomi Takahiro	2414.90
S2	Black	Loss	Okabe Hiroshi	2698.22
S4	White	Loss	Miyagawa Junzo	2226.01
S5	White	Loss	Hasegawa Kazuto	2634.05
6th Kansai Championship 2nd round
Date	2010-10-31		Rating	2106.89
Round	Color	Result	Opponent
1	Black	Loss	Miyagawa Junzo	2226.02
2	White	Loss	Hata Masayuki	2176.77
3	Black	Win	Kon Akira	1993.56
9th Middle-dan Players Tournament
Date	2010-08-29		Rating	2111.57
Round	Color	Result	Opponent
1	Black	Loss	Kashihara Akihiko	2246.69
2	Black	Win	Kato Yasuhiro	2077.66
3	White	Win	Ono Takayuki	2389.86
4	Black	Win	Yasumoto Yoshinobu	1980.89
5	Black	Loss	Nagao Noriaki	2390.07
6	White	Draw	Ozawa Tetsushi	2088.97
Meijinsen Qualification Kansai area
Date	2010-05-16		Rating	2106.67
Round	Color	Result	Opponent
1	White	Loss	Koiso Shigemasa	2185.28
2	White	Loss	Ozawa Tetsushi	2078.57
3	Black	Win	Hata Masayuki	2144.76
4	Black	Loss	Takagawa Teiji	2191.46
5	Black	Win	Yasumoto Yoshinobu	1988.29
5th All Japan Championship
Date	2010-03-21		Rating	2106.67
Round	Color	Result	Opponent
5	Black	Loss	Kusajima Masato	2170.70
6	Black	Draw	Tadokoro Hosai	1899.40
40th Kyoto Classified - Special class
Date	2009-11-09		Rating	2116.57
Round	Color	Result	Opponent
1	White	Win	Kudomi Takahiro	2366.90
2	Black	Loss	Oosumi Yuuki	2631.70
3	White	Loss	Tamura Kazumasa	2510.70
4	White	Win	Okumura Toyohiko	2332.17
5	White	Loss	Iio Yoshihiro	2522.40
41 Kyoto Classified Tournament
Date	2009-11-08		Rating	2116.49
Round	Color	Result	Opponent
S1	White	Loss	Tamura Kazumasa	2510.72
S2	Black	Loss	Okumura Toyohiko	2332.28
S3	Black	Loss	Miyagawa Junzo	2201.24
S4	White	Loss	Kudomi Takahiro	2366.91
S5	Black	Win	Yasumoto Yoshinobu	1983.71
8th Middle-dan Players Tournament
Date	2009-08-30		Rating	2115.66
Round	Color	Result	Opponent
1	White	Loss	Ono Takayuki	2404.49
2	Black	Loss	Maruyama Yasushi	2263.77
3	Black	Loss	Yamamoto Yasuhiro	2149.45
4	Black	Win	Kato Yasuhiro	2050.85
5	Black	Win	Gakumazawa Hideaki	2140.23
6	White	Loss	Miyagawa Junzo	2203.73
47th Meijinsen Qualification Kansai area 2nd round
Date	2009-06-21		Rating	2117.50
Round	Color	Result	Opponent
1	Black	Loss	Oosumi Yuuki	2622.10
2	Black	Loss	Sakamoto Suzan	2308.87
3	Black	Win	Hata Masayuki	2183.98
47th Meijinsen Qualification Kansai area 1st round
Date	2009-05-10		Rating	2117.23
Round	Color	Result	Opponent
1	Black	Loss	Koiso Shigemasa	2167.37
2	Black	Win	Yasumoto Yoshinobu	2009.13
3	Black	Loss	Ozawa Tetsushi	2083.17
4	Black	Win	Miyagawa Junzo	2202.45
5	Black	Draw	Sakamoto Suzan	2304.53
7th 6-7 dan Tournament
Date	2008-09-28		Rating	2109.88
Round	Color	Result	Opponent
1	White	Loss	Gakumazawa Hideaki	2179.72
2	White	Win	Tanno Yoshitaka	2119.76
3	White	Draw	Maruyama Yasushi	2234.30
4	Black	Loss	Tamura Kazumasa	2471.85
5	Black	Win	Suzuki Junichiro	1884.42
6	Black	Loss	Ono Takayuki	2411.00
46th Meijinsen Qualification East-Japan area 1st round
Date	2008-06-15		Rating	2103.65
Round	Color	Result	Opponent
1	White	Draw	Fujikawa Masaki	2093.00
2	Black	Draw	Nakayama Tomoharu	2251.15
3	White	Loss	Kudomi Takahiro	2340.22
4	Black	Loss	Mitsumori Masao	2313.12
25th Kanto Championship
Date	2008-05-18		Rating	2102.76
Round	Color	Result	Opponent
1	White	Loss	Tamada Yoichi	2224.78
2	Black	Win	Maruta Hiroki	2039.03
3	White	Draw	Kobayashi Koichi	2099.65
4	White	Loss	Kudomi Takahiro	2338.31
5	White	Win	Tanizaki Ryusuke	2122.00
3rd All Japan Championship
Date	2008-03-23		Rating	2098.52
Round	Color	Result	Opponent
1	Black	Win	Ishitani Shin-ichi	2406.05
2	Black	Loss	Isobe Taizan	2437.44
3	Black	Loss	Tamada Yoichi	2208.06
4	Black	Win	Maruta Hiroki	2032.06
5	Black	Loss	Miyoshi Takeo	2277.88
6	Black	Loss	Nakayama Tomoharu	2232.58
6dan 7dan Tournament
Date	2007-10-08		Rating	2082.00
Round	Color	Result	Opponent
1	White	Loss	Tamura Kazumasa	2409.23
2	Black	Loss	Kato Yasuhiro	1970.40
3	White	Draw	Tadokoro Hosai	1933.97
4	Black	Loss	Yamamoto Yasuhiro	2091.65
5	White	Loss	Nagao Noriaki	2249.75
6	Black	Loss	Miyagawa Junzo	2269.55
World Championship 2007, BT
Date	2007-08-15		Rating	2088.68
Round	Color	Result	Opponent
1	Black	Loss	Yang Hsiao-Yu	2173.80
2	White	Draw	Saranchin Aleksandr	2090.27
3	Black	Loss	Serdyukov Egor	2499.54
4	Black	Win	Khramov Aleksey	1722.69
5	White	Loss	Poghosyan Albert	2388.21
6	Black	Draw	Pushkaryov Dmitry	2091.32
7	White	Win	Lillemets Rauni	2099.75
8	White	Loss	Eriksson Bjorn	2344.45
9	Black	Win	Khramov Bogdan	1730.93
45th Meijinsen Qualification East-Japan area 1st round
Date	2007-06-17		Rating	2096.37
Round	Color	Result	Opponent
1	Black	Win	Tomobe Katsuhiro	2045.65
2	Black	Loss	Kudomi Takahiro	2341.79
3	White	Draw	Tamura Kazumasa	2397.62
4	Black	Loss	Mitsumori Masao	2272.90
24th Kanto Championship Tournament
Date	2007-05-06		Rating	2100.37
Round	Color	Result	Opponent
1	Black	Win	Fujikawa Masaki	2105.79
2	Black	Loss	Okabe Hiroshi	2620.53
3	White	Win	Tomobe Katsuhiro	2051.57
4	Black	Loss	Ishitani Shin-ichi	2385.64
5	White	Loss	Tanizaki Ryusuke	2143.02
2nd All Japan Championship (WC Qualification)
Date	2007-03-25		Rating	2103.02
Round	Color	Result	Opponent
1	White	Loss	Ishitani Shin-ichi	2382.13
2	White	Win	Fujikawa Masaki	2102.76
3	White	Win	Tanizaki Ryusuke	2141.12
7th Kanto Renju Emperor Tournament - 1st round
Date	2006-10-15		Rating	2097.30
Round	Color	Result	Opponent
1	White	Loss	Tanizaki Ryusuke	2128.89
2	White	Loss	Fujikawa Masaki	2055.81
3	White	Win	Watanabe Tatsuya	2132.22
4	White	Loss	Abiko Setsuko	2036.80
5	Black	Win	Tanizaki Shingo	1871.14
Asian Championship 2006
Date	2006-08-15		Rating	2100.81
Round	Color	Result	Opponent
1	Black	Loss	Mitsumori Masao	2245.66
2	White	Win	Ishitani Shin-ichi	2363.64
3	White	Win	Chang Jae-Won	2019.35
4	White	Loss	Park Jeong Ho	2389.61
5	White	Loss	Pu Hsun-Fang	1962.62
6	Black	Draw	Kuramoto Hideharu	1878.29
7	White	Loss	Kashihara Akihiko	2297.65
8	White	Win	Yoon Seong-Won	1832.79
Meijin-sen Qual, East Japan area 1st round
Date	2006-06-18		Rating	2106.05
Round	Color	Result	Opponent
1	Black	Loss	Tomobe Katsuhiro	2087.83
2	Black	Win	Iwano Fumio	2100.32
3	White	Loss	Nagao Noriaki	2235.65
4	White	Draw	Kato Yasuhiro	2037.21
1st All Japan Championship
Date	2006-03-26		Rating	2117.89
Round	Color	Result	Opponent
1	White	Loss	Matsuura Hiroshi	2313.79
2	Black	Loss	Miyoshi Takeo	2275.54
3	White	Win	Hara Masao	2073.37
6th Kanto Renju Emperor Tournament - 1st round
Date	2005-10-22		Rating	2141.37
Round	Color	Result	Opponent
1	Black	Win	Kamemoto Daichi	2181.25
2	Black	Win	Teshima Masakatsu	1958.59
3	Black	Loss	Yamaguchi Yusui	2596.31
4	Black	Win	Tomobe Katsuhiro	2081.24
World Championship 2005, BT
Date	2005-08-05		Rating	2143.12
Round	Color	Result	Opponent
1	White	Draw	Serdyukov Egor	2382.64
2	Black	Loss	Ishitani Shin-ichi	2403.65
3	White	Loss	Chen Ko-Han	2505.82
4	Black	Loss	Oll Aivo	2555.96
5	White	Win	Rachitskaya Viktoria	2118.64
6	Black	Loss	Ono Takayuki	2291.71
7	Black	Win	Omata Mitsuo	1713.06
8	Black	Loss	Kudomi Takahiro	2296.19
9	White	Loss	Lillemets Rauni	2142.43
43rd Meijinsen Qualification: East Japan 1st round
Date	2005-06-12		Rating	2148.10
Round	Color	Result	Opponent
1	White	Loss	Itami Yoshiyuki	2190.02
2	Black	Loss	Nagao Noriaki	2230.45
3	White	Loss	Sasaki Miyu	1962.80
4	Black	Loss	Tanno Yoshitaka	2094.50
Japan WC Qualification tournament
Date	2005-04-03		Rating	2171.23
Round	Color	Result	Opponent
1	Black	Win	Yamaguchi Yusui	2557.75
2	White	Loss	Sato Kiyotomi	2391.07
3	White	Loss	Ishitani Shin-ichi	2387.90
4	Black	Loss	Miyagawa Sou	2129.24
5	White	Win	Nagao Noriaki	2232.82
6	Black	Win	Maruta Koji	2163.57
5th 6-7 dan Tournament
Date	2004-12-05		Rating	2197.66
Round	Color	Result	Opponent
1	White	Win	Yamamoto Yasuhiro	2046.92
2	Black	Win	Arita Nobuyoshi	2281.78
3	Black	Draw	Kudomi Takahiro	2332.26
4	Black	Win	Hiwatashi Kikuma	1949.94
5	White	Loss	Sato Kiyotomi	2369.05
6	Black	Win	Tadokoro Hosai	1927.42
42nd Meijinsen Qualification: East Japan 1st round
Date	2004-06-13		Rating	2213.27
Round	Color	Result	Opponent
1	Black	Win	Mitsumori Masao	2248.62
2	White	Win	Ohno Syunzo	2070.94
3	White	Loss	Kawamura Norihiko	2721.64
4	Black	Loss	Sato Kiyotomi	2353.60
4th Kanto Renju Emperor Tournament - 1st round
Date	2003-11-16		Rating	2220.40
Round	Color	Result	Opponent
1	Black	Win	Tanizaki Ryusuke	2033.31
2	Black	Loss	Yamaguchi Yusui	2593.97
3	Black	Win	Uchiyama Yasuhiko	1825.68
4	Black	Loss	Maruta Koji	2231.95
World Championship 2003, BT
Date	2003-08-08		Rating	2226.47
Round	Color	Result	Opponent
1	White	Win	Kudomi Takahiro	2346.30
2	Black	Loss	Chang Yi-Feng	2464.30
3	Black	Win	Nagao Noriaki	2307.62
4	White	Loss	Oll Aivo	2381.31
5	Black	Win	Ishitani Shin-ichi	2385.04
6	Black	Loss	Poghosyan Albert	2338.53
8	White	Loss	Eibatov Nizami	2336.50
8	Black	Win	Dzainukov Eldar	2200.89
World Championship 2003, QT
Date	2003-07-31		Rating	2225.82
Round	Color	Result	Opponent
1	White	Loss	Karlsson Stefan	2560.57
3	White	Loss	Ilu Timo	2451.31
4	White	Loss	Gardström Petter	2417.91
5	Black	Loss	Lu Wei-Yuan	2209.70
6	Black	Win	Dzainukov Eldar	2200.12
7	White	Loss	Karasyov Maxim	2490.73
41th Meijinsen Qualification: East Japan 1st round
Date	2003-06-08		Rating	2226.42
Round	Color	Result	Opponent
1	White	Loss	Sato Kiyotomi	2299.91
2	Black	Win	Ono Takayuki	2191.52
3	White	Loss	Sano Hiroyuki	2210.95
4	White	Draw	Maruta Koji	2221.45
Japan WC Qualification 2003
Date	2003-03-22		Rating	2231.42
Round	Color	Result	Opponent
1	Black	Win	Fujio Katsutoshi	1976.40
2	Black	Loss	Nara Hideki	2590.92
3	Black	Draw	Sakurai Yasuo	2083.62
4	Black	Win	Tashiro Yuichi	2259.16
5	Black	Win	Iio Yoshihiro	2461.85
40th Meijinsen Qualification: East Japan 1st round
Date	2002-06-02		Rating	2211.00
Round	Color	Result	Opponent
1	White	Loss	Mitsumori Masao	2306.78
2	Black	Win	Tadokoro Hosai	1994.68
3	Black	Win	Sato Koichi	1923.83
4	White	Loss	Isobe Taizan	2450.06
38th Meijinsen Qualification: East Japan 1st round
Date	2000-06-04		Rating	2175.06
Round	Color	Result	Opponent
1	White	Win	Mitsumori Masao	2295.11
2	White	Loss	Suzuki Naoya	2172.80
3	White	Loss	Kusajima Masato	2356.67
4	Black	Win	Adachi Yasuhiro	1997.18
Kanto Championship
Date	2000-05-14		Rating	2173.64
Round	Color	Result	Opponent
1	Black	Win	Omata Mitsuo	1872.75
2	White	Loss	Nakamura Shigeru	2763.68
3	Black	Win	Horiuchi Kazuki	1758.54
4	White	Loss	Nara Hideki	2566.96
Kyoto - 1200
Date	1994-08-07		Rating	2005.28
Round	Color	Result	Opponent
	White	Loss	Uchimoto Yoshinori	2057.71