Kubo Izumi (久保出美)

Place: Kobe, Japan

Rating: 2131.56, Std: 275.24, Rank: -

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

Top rating: 2231.00 (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	2131.56
Round	Color	Result	Opponent
1	Black	Win	Sakamoto Suzan	2280.46
2	Black	Loss	Hasegawa Kazuto	2641.13
54 Meijinsen Qualification Kansai area 1st round
Date	2016-05-15		Rating	2119.90
Round	Color	Result	Opponent
1	White	Loss	Kawamura Norihiko	2615.95
2	Black	Win	Nishida Toshio	2086.98
3	Black	Loss	Sakamoto Suzan	2284.36
4	Black	Win	Ozawa Tetsushi	2038.35
11 Kansai Championship 1st round
Date	2015-10-25		Rating	2093.85
Round	Color	Result	Opponent
1	Black	Loss	Tachi Masaya	2475.97
2	White	Loss	Sakamoto Suzan	2285.82
3	White	Loss	Matsui Tsunehiro	2217.02
5	White	Draw	Kashihara Akihiko	2342.81
12th Middle-dan Players Tournament
Date	2015-07-20		Rating	2085.40
Round	Color	Result	Opponent
1	Black	Loss	Kusajima Masato	2266.03
3	Black	Draw	Kashihara Akihiko	2333.31
4	Black	Loss	Miyagawa Junzo	2247.98
5	White	Loss	Yoshida Hisao	2170.54
6	White	Loss	Kobayashi Koichi	2286.07
53 Meijinsen Qualification Kansai area 1st round
Date	2015-05-17		Rating	2085.91
Round	Color	Result	Opponent
1	Black	Loss	Kawamura Norihiko	2643.70
2	Black	Loss	Tachi Masaya	2482.82
3	Black	Win	Kon Akira	1979.53
4	Black	Loss	Hata Masayuki	2190.69
10th All Japan Championship
Date	2015-03-29		Rating	2087.03
Round	Color	Result	Opponent
1	Black	Loss	Nagao Noriaki	2280.42
2	Black	Win	Miyagawa Junzo	2245.19
3	Black	Loss	Mitsumori Masao	2326.90
4	Black	Loss	Mano Yoshihisa	2352.45
5	Black	Win	Kato Yasuhiro	2065.28
6	White	Loss	Ono Takayuki	2336.36
10 Kansai Championship 1st round
Date	2014-10-26		Rating	2084.33
Round	Color	Result	Opponent
1	White	Loss	Tachi Masaya	2465.81
2	Black	Loss	Sakamoto Suzan	2298.18
4	Black	Loss	Kon Akira	1993.84
5	Black	Loss	Miyagawa Junzo	2230.75
1st Senior Masters Championship
Date	2014-08-29		Rating	2091.39
Round	Color	Result	Opponent
1	Black	Loss	Kobayashi Koichi	2252.74
2	White	Loss	Isobe Taizan	2432.88
3	Black	Win	Kato Yasuhiro	2091.46
4	Black	Loss	Mitsumori Masao	2339.58
5	White	Loss	Ishitani Shin-ichi	2453.55
6	Black	Win	Miyagawa Junzo	2220.89
7	Black	Loss	Miura Hitoshi	1803.57
52 Meijinsen Qualification Kansai area 1st round
Date	2014-05-18		Rating	2108.19
Round	Color	Result	Opponent
1	Black	Loss	Tachi Masaya	2441.80
2	Black	Win	Kon Akira	1986.97
3	White	Win	Ozawa Tetsushi	2065.38
4	White	Draw	Kashihara Akihiko	2347.27
9th All Japan Championship
Date	2014-01-26		Rating	2114.73
Round	Color	Result	Opponent
1	White	Win	Kashihara Akihiko	2339.73
2	White	Loss	Tamura Kazumasa	2526.30
3	Black	Loss	Tada Ayako	2318.65
4	White	Win	Kobayashi Koichi	2233.53
5	White	Loss	Mano Yoshihisa	2317.32
6	Black	Win	Yamamoto Yasuhiro	2149.66
9th Kansai Championship 1st round
Date	2013-10-27		Rating	2105.49
Round	Color	Result	Opponent
1	Black	Win	Kon Akira	1982.64
2	Black	Loss	Sakamoto Suzan	2304.34
3	Black	Loss	Iio Yoshihiro	2531.88
5	Black	Win	Watanabe Nobuo	2031.77
11th Middle-dan players Tournament
Date	2013-08-17		Rating	2095.08
Round	Color	Result	Opponent
1	White	Loss	Mano Yoshihisa	2315.62
2	Black	Loss	Kobayashi Koichi	2228.01
3	Black	Loss	Miyagawa Junzo	2220.65
4	Black	Loss	Maruta Koji	2176.66
5	Black	Loss	Maruta Hiroki	2138.61
6	Black	Win	Kato Yasuhiro	2135.29
51 Meijinsen Qualification Kansai area 1st round
Date	2013-05-19		Rating	2093.17
Round	Color	Result	Opponent
1	Black	Win	Koiso Shigemasa	2160.29
2	Black	Loss	Hata Masayuki	2271.20
3	White	Loss	Iio Yoshihiro	2493.04
5	Black	Loss	Matsui Tsunehiro	2188.30
8th All Japan Championship
Date	2013-03-24		Rating	2092.77
Round	Color	Result	Opponent
1	White	Loss	Isobe Taizan	2405.72
2	Black	Loss	Mitsumori Masao	2341.43
3	Black	Loss	Miyagawa Junzo	2220.56
4	Black	Win	Tomobe Katsuhiro	2164.40
5	Black	Loss	Suzuki Rin	2051.39
6	White	Win	Kato Yasuhiro	2145.84
10th Middle-dan players Tournament
Date	2012-08-26		Rating	2092.20
Round	Color	Result	Opponent
1	Black	Loss	Kashihara Akihiko	2312.41
2	Black	Win	Mano Yoshihisa	2255.30
3	Black	Loss	Fukui Nobuhiro	2537.85
4	Black	Win	Kato Yasuhiro	2100.70
5	Black	Loss	Maruyama Yasushi	2256.63
6	White	Loss	Yamamoto Yasuhiro	2162.37
50 Meijinsen Qualification Kansai area 1st round
Date	2012-05-20		Rating	2089.10
Round	Color	Result	Opponent
1	White	Loss	Sakamoto Suzan	2341.00
2	Black	Loss	Hata Masayuki	2236.24
4	White	Loss	Nakajima Osamu	2240.46
5	Black	Loss	Koiso Shigemasa	2176.59
7th All Japan Championship
Date	2012-01-29		Rating	2100.01
Round	Color	Result	Opponent
1	Black	Loss	Tamada Yoichi	2488.95
2	Black	Win	Kon Akira	2020.45
3	Black	Loss	Ishitani Shin-ichi	2380.89
4	Black	Win	Kato Yasuhiro	2072.93
5	White	Loss	Kudomi Takahiro	2427.11
6	Black	Loss	Tada Ayako	2273.57
43 Kyoto Classified Tournament
Date	2011-11-13		Rating	2105.93
Round	Color	Result	Opponent
S5	Black	Loss	Iio Yoshihiro	2484.24
7th Kansai Championship 1st round
Date	2011-10-23		Rating	2107.78
Round	Color	Result	Opponent
1	Black	Loss	Kise Katsumi	2547.68
2	Black	Win	Kon Akira	2019.53
3	White	Loss	Takahashi Roi	2109.90
4	Black	Loss	Miyagawa Junzo	2222.55
5	White	Loss	Hata Masayuki	2233.81
49th Meijinsen Tournament
Date	2011-09-19		Rating	2114.03
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2708.57
2	White	Win	Sakashita Shoichi	2147.55
3	White	Loss	Miyoshi Takeo	2161.81
4	Black	Loss	Yamaguchi Yusui	2655.32
5	White	Loss	Kashihara Akihiko	2260.14
6	White	Loss	Iio Yoshihiro	2495.52
7	White	Draw	Hasegawa Kazuto	2559.55
8	White	Win	Matsuura Hiroshi	2382.62
9	White	Loss	Nakayama Tomoharu	2581.56
49 Meijinsen Qualification Kansai area 2nd round
Date	2011-06-19		Rating	2122.46
Round	Color	Result	Opponent
1	Black	Loss	Iio Yoshihiro	2509.90
2	White	Win	Kise Katsumi	2544.46
3	White	Draw	Kashihara Akihiko	2256.10
49 Meijinsen Qualification Kansai area 1st round
Date	2011-05-15		Rating	2121.76
Round	Color	Result	Opponent
1	Black	Win	Kon Akira	2011.27
2	Black	Loss	Kise Katsumi	2541.41
3	White	Win	Yasumoto Yoshinobu	1950.13
4	Black	Win	Miyagawa Junzo	2213.06
5	Black	Loss	Kashihara Akihiko	2254.68
6th Kansai Championship 3rd round
Date	2011-01-09		Rating	2107.39
Round	Color	Result	Opponent
1	Black	Loss	Miyagawa Junzo	2225.59
2	White	Loss	Hata Masayuki	2188.11
3	Black	Loss	Oosumi Yuuki	2734.72
42 Kyoto Classified Tournament
Date	2010-11-14		Rating	2105.65
Round	Color	Result	Opponent
S1	White	Loss	Kudomi Takahiro	2413.98
S2	Black	Loss	Okabe Hiroshi	2697.35
S4	White	Loss	Miyagawa Junzo	2225.19
S5	White	Loss	Hasegawa Kazuto	2633.17
6th Kansai Championship 2nd round
Date	2010-10-31		Rating	2106.09
Round	Color	Result	Opponent
1	Black	Loss	Miyagawa Junzo	2225.20
2	White	Loss	Hata Masayuki	2175.96
3	Black	Win	Kon Akira	1992.80
9th Middle-dan Players Tournament
Date	2010-08-29		Rating	2110.79
Round	Color	Result	Opponent
1	Black	Loss	Kashihara Akihiko	2245.89
2	Black	Win	Kato Yasuhiro	2076.89
3	White	Win	Ono Takayuki	2389.10
4	Black	Win	Yasumoto Yoshinobu	1980.19
5	Black	Loss	Nagao Noriaki	2389.22
6	White	Draw	Ozawa Tetsushi	2088.23
Meijinsen Qualification Kansai area
Date	2010-05-16		Rating	2105.92
Round	Color	Result	Opponent
1	White	Loss	Koiso Shigemasa	2184.51
2	White	Loss	Ozawa Tetsushi	2077.85
3	Black	Win	Hata Masayuki	2143.99
4	Black	Loss	Takagawa Teiji	2190.74
5	Black	Win	Yasumoto Yoshinobu	1987.60
5th All Japan Championship
Date	2010-03-21		Rating	2105.93
Round	Color	Result	Opponent
5	Black	Loss	Kusajima Masato	2170.00
6	Black	Draw	Tadokoro Hosai	1898.74
40th Kyoto Classified - Special class
Date	2009-11-09		Rating	2115.87
Round	Color	Result	Opponent
1	White	Win	Kudomi Takahiro	2366.15
2	Black	Loss	Oosumi Yuuki	2631.03
3	White	Loss	Tamura Kazumasa	2510.02
4	White	Win	Okumura Toyohiko	2331.46
5	White	Loss	Iio Yoshihiro	2521.62
41 Kyoto Classified Tournament
Date	2009-11-08		Rating	2115.79
Round	Color	Result	Opponent
S1	White	Loss	Tamura Kazumasa	2510.04
S2	Black	Loss	Okumura Toyohiko	2331.57
S3	Black	Loss	Miyagawa Junzo	2200.53
S4	White	Loss	Kudomi Takahiro	2366.16
S5	Black	Win	Yasumoto Yoshinobu	1983.05
8th Middle-dan Players Tournament
Date	2009-08-30		Rating	2114.98
Round	Color	Result	Opponent
1	White	Loss	Ono Takayuki	2403.80
2	Black	Loss	Maruyama Yasushi	2263.03
3	Black	Loss	Yamamoto Yasuhiro	2148.69
4	Black	Win	Kato Yasuhiro	2050.20
5	Black	Win	Gakumazawa Hideaki	2139.60
6	White	Loss	Miyagawa Junzo	2203.04
47th Meijinsen Qualification Kansai area 2nd round
Date	2009-06-21		Rating	2116.84
Round	Color	Result	Opponent
1	Black	Loss	Oosumi Yuuki	2621.47
2	Black	Loss	Sakamoto Suzan	2308.20
3	Black	Win	Hata Masayuki	2183.30
47th Meijinsen Qualification Kansai area 1st round
Date	2009-05-10		Rating	2116.59
Round	Color	Result	Opponent
1	Black	Loss	Koiso Shigemasa	2166.67
2	Black	Win	Yasumoto Yoshinobu	2008.50
3	Black	Loss	Ozawa Tetsushi	2082.57
4	Black	Win	Miyagawa Junzo	2201.80
5	Black	Draw	Sakamoto Suzan	2303.87
7th 6-7 dan Tournament
Date	2008-09-28		Rating	2109.30
Round	Color	Result	Opponent
1	White	Loss	Gakumazawa Hideaki	2179.13
2	White	Win	Tanno Yoshitaka	2119.16
3	White	Draw	Maruyama Yasushi	2233.66
4	Black	Loss	Tamura Kazumasa	2471.14
5	Black	Win	Suzuki Junichiro	1883.75
6	Black	Loss	Ono Takayuki	2410.39
46th Meijinsen Qualification East-Japan area 1st round
Date	2008-06-15		Rating	2103.10
Round	Color	Result	Opponent
1	White	Draw	Fujikawa Masaki	2092.42
2	Black	Draw	Nakayama Tomoharu	2250.58
3	White	Loss	Kudomi Takahiro	2339.61
4	Black	Loss	Mitsumori Masao	2312.50
25th Kanto Championship
Date	2008-05-18		Rating	2102.23
Round	Color	Result	Opponent
1	White	Loss	Tamada Yoichi	2224.20
2	Black	Win	Maruta Hiroki	2038.47
3	White	Draw	Kobayashi Koichi	2099.08
4	White	Loss	Kudomi Takahiro	2337.71
5	White	Win	Tanizaki Ryusuke	2121.43
3rd All Japan Championship
Date	2008-03-23		Rating	2098.01
Round	Color	Result	Opponent
1	Black	Win	Ishitani Shin-ichi	2405.50
2	Black	Loss	Isobe Taizan	2436.82
3	Black	Loss	Tamada Yoichi	2207.50
4	Black	Win	Maruta Hiroki	2031.51
5	Black	Loss	Miyoshi Takeo	2277.30
6	Black	Loss	Nakayama Tomoharu	2232.02
6dan 7dan Tournament
Date	2007-10-08		Rating	2081.56
Round	Color	Result	Opponent
1	White	Loss	Tamura Kazumasa	2408.63
2	Black	Loss	Kato Yasuhiro	1969.88
3	White	Draw	Tadokoro Hosai	1933.46
4	Black	Loss	Yamamoto Yasuhiro	2091.10
5	White	Loss	Nagao Noriaki	2249.19
6	Black	Loss	Miyagawa Junzo	2269.09
World Championship 2007, BT
Date	2007-08-15		Rating	2088.26
Round	Color	Result	Opponent
1	Black	Loss	Yang Hsiao-Yu	2165.26
2	White	Draw	Saranchin Aleksandr	2089.80
3	Black	Loss	Serdyukov Egor	2499.26
4	Black	Win	Khramov Aleksey	1735.99
5	White	Loss	Poghosyan Albert	2387.74
6	Black	Draw	Pushkaryov Dmitry	2091.84
7	White	Win	Lillemets Rauni	2099.27
8	White	Loss	Eriksson Bjorn	2343.97
9	Black	Win	Khramov Bogdan	1743.73
45th Meijinsen Qualification East-Japan area 1st round
Date	2007-06-17		Rating	2095.94
Round	Color	Result	Opponent
1	Black	Win	Tomobe Katsuhiro	2045.15
2	Black	Loss	Kudomi Takahiro	2341.26
3	White	Draw	Tamura Kazumasa	2397.05
4	Black	Loss	Mitsumori Masao	2272.34
24th Kanto Championship Tournament
Date	2007-05-06		Rating	2099.94
Round	Color	Result	Opponent
1	Black	Win	Fujikawa Masaki	2105.29
2	Black	Loss	Okabe Hiroshi	2619.96
3	White	Win	Tomobe Katsuhiro	2051.08
4	Black	Loss	Ishitani Shin-ichi	2385.14
5	White	Loss	Tanizaki Ryusuke	2142.51
2nd All Japan Championship (WC Qualification)
Date	2007-03-25		Rating	2102.59
Round	Color	Result	Opponent
1	White	Loss	Ishitani Shin-ichi	2381.64
2	White	Win	Fujikawa Masaki	2102.27
3	White	Win	Tanizaki Ryusuke	2140.62
7th Kanto Renju Emperor Tournament - 1st round
Date	2006-10-15		Rating	2096.87
Round	Color	Result	Opponent
1	White	Loss	Tanizaki Ryusuke	2128.41
2	White	Loss	Fujikawa Masaki	2055.35
3	White	Win	Watanabe Tatsuya	2131.76
4	White	Loss	Abiko Setsuko	2036.51
5	Black	Win	Tanizaki Shingo	1870.87
Asian Championship 2006
Date	2006-08-15		Rating	2100.37
Round	Color	Result	Opponent
1	Black	Loss	Mitsumori Masao	2245.14
2	White	Win	Ishitani Shin-ichi	2363.16
3	White	Win	Chang Jae-Won	2018.83
4	White	Loss	Park Jeong Ho	2388.75
5	White	Loss	Pu Hsun-Fang	1962.24
6	Black	Draw	Kuramoto Hideharu	1877.86
7	White	Loss	Kashihara Akihiko	2297.28
8	White	Win	Yoon Seong-Won	1832.23
Meijin-sen Qual, East Japan area 1st round
Date	2006-06-18		Rating	2105.62
Round	Color	Result	Opponent
1	Black	Loss	Tomobe Katsuhiro	2087.38
2	Black	Win	Iwano Fumio	2099.86
3	White	Loss	Nagao Noriaki	2235.18
4	White	Draw	Kato Yasuhiro	2036.76
1st All Japan Championship
Date	2006-03-26		Rating	2117.45
Round	Color	Result	Opponent
1	White	Loss	Matsuura Hiroshi	2313.31
2	Black	Loss	Miyoshi Takeo	2275.14
3	White	Win	Hara Masao	2072.94
6th Kanto Renju Emperor Tournament - 1st round
Date	2005-10-22		Rating	2140.94
Round	Color	Result	Opponent
1	Black	Win	Kamemoto Daichi	2180.84
2	Black	Win	Teshima Masakatsu	1958.20
3	Black	Loss	Yamaguchi Yusui	2595.83
4	Black	Win	Tomobe Katsuhiro	2080.82
World Championship 2005, BT
Date	2005-08-05		Rating	2142.69
Round	Color	Result	Opponent
1	White	Draw	Serdyukov Egor	2382.40
2	Black	Loss	Ishitani Shin-ichi	2403.21
3	White	Loss	Chen Ko-Han	2505.31
4	Black	Loss	Oll Aivo	2555.39
5	White	Win	Rachitskaya Viktoria	2118.24
6	Black	Loss	Ono Takayuki	2291.29
7	Black	Win	Omata Mitsuo	1712.55
8	Black	Loss	Kudomi Takahiro	2295.75
9	White	Loss	Lillemets Rauni	2141.77
43rd Meijinsen Qualification: East Japan 1st round
Date	2005-06-12		Rating	2147.68
Round	Color	Result	Opponent
1	White	Loss	Itami Yoshiyuki	2189.64
2	Black	Loss	Nagao Noriaki	2230.04
3	White	Loss	Sasaki Miyu	1962.44
4	Black	Loss	Tanno Yoshitaka	2094.10
Japan WC Qualification tournament
Date	2005-04-03		Rating	2170.81
Round	Color	Result	Opponent
1	Black	Win	Yamaguchi Yusui	2557.30
2	White	Loss	Sato Kiyotomi	2390.66
3	White	Loss	Ishitani Shin-ichi	2387.47
4	Black	Loss	Miyagawa Sou	2129.03
5	White	Win	Nagao Noriaki	2232.43
6	Black	Win	Maruta Koji	2163.16
5th 6-7 dan Tournament
Date	2004-12-05		Rating	2197.23
Round	Color	Result	Opponent
1	White	Win	Yamamoto Yasuhiro	2046.57
2	Black	Win	Arita Nobuyoshi	2281.39
3	Black	Draw	Kudomi Takahiro	2331.85
4	Black	Win	Hiwatashi Kikuma	1949.58
5	White	Loss	Sato Kiyotomi	2368.65
6	Black	Win	Tadokoro Hosai	1927.05
42nd Meijinsen Qualification: East Japan 1st round
Date	2004-06-13		Rating	2212.84
Round	Color	Result	Opponent
1	Black	Win	Mitsumori Masao	2248.21
2	White	Win	Ohno Syunzo	2070.54
3	White	Loss	Kawamura Norihiko	2721.43
4	Black	Loss	Sato Kiyotomi	2353.22
4th Kanto Renju Emperor Tournament - 1st round
Date	2003-11-16		Rating	2219.96
Round	Color	Result	Opponent
1	Black	Win	Tanizaki Ryusuke	2032.98
2	Black	Loss	Yamaguchi Yusui	2593.56
3	Black	Win	Uchiyama Yasuhiko	1825.51
4	Black	Loss	Maruta Koji	2231.58
World Championship 2003, BT
Date	2003-08-08		Rating	2226.01
Round	Color	Result	Opponent
1	White	Win	Kudomi Takahiro	2345.86
2	Black	Loss	Chang Yi-Feng	2463.78
3	Black	Win	Nagao Noriaki	2307.32
4	White	Loss	Oll Aivo	2379.93
5	Black	Win	Ishitani Shin-ichi	2384.45
6	Black	Loss	Poghosyan Albert	2338.00
8	White	Loss	Eibatov Nizami	2335.93
8	Black	Win	Dzainukov Eldar	2200.25
World Championship 2003, QT
Date	2003-07-31		Rating	2225.37
Round	Color	Result	Opponent
1	White	Loss	Karlsson Stefan	2559.97
3	White	Loss	Ilu Timo	2449.52
4	White	Loss	Gardström Petter	2417.34
5	Black	Loss	Lu Wei-Yuan	2209.15
6	Black	Win	Dzainukov Eldar	2199.47
7	White	Loss	Karasyov Maxim	2490.73
41th Meijinsen Qualification: East Japan 1st round
Date	2003-06-08		Rating	2225.98
Round	Color	Result	Opponent
1	White	Loss	Sato Kiyotomi	2299.56
2	Black	Win	Ono Takayuki	2191.17
3	White	Loss	Sano Hiroyuki	2210.61
4	White	Draw	Maruta Koji	2221.09
Japan WC Qualification 2003
Date	2003-03-22		Rating	2231.00
Round	Color	Result	Opponent
1	Black	Win	Fujio Katsutoshi	1976.37
2	Black	Loss	Nara Hideki	2590.54
3	Black	Draw	Sakurai Yasuo	2083.26
4	Black	Win	Tashiro Yuichi	2258.86
5	Black	Win	Iio Yoshihiro	2461.52
40th Meijinsen Qualification: East Japan 1st round
Date	2002-06-02		Rating	2210.61
Round	Color	Result	Opponent
1	White	Loss	Mitsumori Masao	2306.44
2	Black	Win	Tadokoro Hosai	1994.41
3	Black	Win	Sato Koichi	1923.62
4	White	Loss	Isobe Taizan	2449.75
38th Meijinsen Qualification: East Japan 1st round
Date	2000-06-04		Rating	2174.72
Round	Color	Result	Opponent
1	White	Win	Mitsumori Masao	2294.75
2	White	Loss	Suzuki Naoya	2172.51
3	White	Loss	Kusajima Masato	2356.28
4	Black	Win	Adachi Yasuhiro	1996.43
Kanto Championship
Date	2000-05-14		Rating	2173.29
Round	Color	Result	Opponent
1	Black	Win	Omata Mitsuo	1872.45
2	White	Loss	Nakamura Shigeru	2763.59
3	Black	Win	Horiuchi Kazuki	1758.48
4	White	Loss	Nara Hideki	2566.97
Kyoto - 1200
Date	1994-08-07		Rating	2005.09
Round	Color	Result	Opponent
	White	Loss	Uchimoto Yoshinori	2057.64