Kubo Izumi (久保出美)

Place: Kobe, Japan

Rating: 2124.00, Std: 252.22, Rank: -

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

Top rating: 2228.71 (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	2124.00
Round	Color	Result	Opponent
1	Black	Win	Sakamoto Suzan	2271.77
2	Black	Loss	Hasegawa Kazuto	2633.60
54 Meijinsen Qualification Kansai area 1st round
Date	2016-05-15		Rating	2112.37
Round	Color	Result	Opponent
1	White	Loss	Kawamura Norihiko	2609.93
2	Black	Win	Nishida Toshio	2078.79
3	Black	Loss	Sakamoto Suzan	2276.16
4	Black	Win	Ozawa Tetsushi	2029.76
11 Kansai Championship 1st round
Date	2015-10-25		Rating	2086.41
Round	Color	Result	Opponent
1	Black	Loss	Tachi Masaya	2469.14
2	White	Loss	Sakamoto Suzan	2278.23
3	White	Loss	Matsui Tsunehiro	2208.50
5	White	Draw	Kashihara Akihiko	2335.13
12th Middle-dan Players Tournament
Date	2015-07-20		Rating	2078.02
Round	Color	Result	Opponent
1	Black	Loss	Kusajima Masato	2258.66
3	Black	Draw	Kashihara Akihiko	2325.71
4	Black	Loss	Miyagawa Junzo	2241.78
5	White	Loss	Yoshida Hisao	2145.68
6	White	Loss	Kobayashi Koichi	2280.39
53 Meijinsen Qualification Kansai area 1st round
Date	2015-05-17		Rating	2078.72
Round	Color	Result	Opponent
1	Black	Loss	Kawamura Norihiko	2637.93
2	Black	Loss	Tachi Masaya	2476.22
3	Black	Win	Kon Akira	1973.17
4	Black	Loss	Hata Masayuki	2182.50
10th All Japan Championship
Date	2015-03-29		Rating	2079.98
Round	Color	Result	Opponent
1	Black	Loss	Nagao Noriaki	2274.06
2	Black	Win	Miyagawa Junzo	2239.02
3	Black	Loss	Mitsumori Masao	2319.94
4	Black	Loss	Mano Yoshihisa	2345.51
5	Black	Win	Kato Yasuhiro	2057.50
6	White	Loss	Ono Takayuki	2329.64
10 Kansai Championship 1st round
Date	2014-10-26		Rating	2077.70
Round	Color	Result	Opponent
1	White	Loss	Tachi Masaya	2459.38
2	Black	Loss	Sakamoto Suzan	2291.52
4	Black	Loss	Kon Akira	1987.72
5	Black	Loss	Miyagawa Junzo	2224.72
1st Senior Masters Championship
Date	2014-08-29		Rating	2084.92
Round	Color	Result	Opponent
1	Black	Loss	Kobayashi Koichi	2247.11
2	White	Loss	Isobe Taizan	2427.55
3	Black	Win	Kato Yasuhiro	2084.64
4	Black	Loss	Mitsumori Masao	2333.19
5	White	Loss	Ishitani Shin-ichi	2447.70
6	Black	Win	Miyagawa Junzo	2214.93
7	Black	Loss	Miura Hitoshi	1799.30
52 Meijinsen Qualification Kansai area 1st round
Date	2014-05-18		Rating	2101.93
Round	Color	Result	Opponent
1	Black	Loss	Tachi Masaya	2435.46
2	Black	Win	Kon Akira	1981.03
3	White	Win	Ozawa Tetsushi	2059.03
4	White	Draw	Kashihara Akihiko	2340.81
9th All Japan Championship
Date	2014-01-26		Rating	2108.72
Round	Color	Result	Opponent
1	White	Win	Kashihara Akihiko	2333.49
2	White	Loss	Tamura Kazumasa	2526.95
3	Black	Loss	Tada Ayako	2313.21
4	White	Win	Kobayashi Koichi	2228.05
5	White	Loss	Mano Yoshihisa	2311.42
6	Black	Win	Yamamoto Yasuhiro	2143.54
9th Kansai Championship 1st round
Date	2013-10-27		Rating	2099.64
Round	Color	Result	Opponent
1	Black	Win	Kon Akira	1977.01
2	Black	Loss	Sakamoto Suzan	2298.39
3	Black	Loss	Iio Yoshihiro	2526.24
5	Black	Win	Watanabe Nobuo	2025.03
11th Middle-dan players Tournament
Date	2013-08-17		Rating	2089.36
Round	Color	Result	Opponent
1	White	Loss	Mano Yoshihisa	2310.03
2	Black	Loss	Kobayashi Koichi	2222.70
3	Black	Loss	Miyagawa Junzo	2215.30
4	Black	Loss	Maruta Koji	2170.75
5	Black	Loss	Maruta Hiroki	2132.98
6	Black	Win	Kato Yasuhiro	2129.55
51 Meijinsen Qualification Kansai area 1st round
Date	2013-05-19		Rating	2087.61
Round	Color	Result	Opponent
1	Black	Win	Koiso Shigemasa	2154.69
2	Black	Loss	Hata Masayuki	2265.42
3	White	Loss	Iio Yoshihiro	2487.63
5	Black	Loss	Matsui Tsunehiro	2181.97
8th All Japan Championship
Date	2013-03-24		Rating	2087.31
Round	Color	Result	Opponent
1	White	Loss	Isobe Taizan	2400.71
2	Black	Loss	Mitsumori Masao	2336.09
3	Black	Loss	Miyagawa Junzo	2215.38
4	Black	Win	Tomobe Katsuhiro	2158.96
5	Black	Loss	Suzuki Rin	2046.30
6	White	Win	Kato Yasuhiro	2140.43
10th Middle-dan players Tournament
Date	2012-08-26		Rating	2087.09
Round	Color	Result	Opponent
1	Black	Loss	Kashihara Akihiko	2307.15
2	Black	Win	Mano Yoshihisa	2250.31
3	Black	Loss	Fukui Nobuhiro	2532.86
4	Black	Win	Kato Yasuhiro	2095.70
5	Black	Loss	Maruyama Yasushi	2251.61
6	White	Loss	Yamamoto Yasuhiro	2157.29
50 Meijinsen Qualification Kansai area 1st round
Date	2012-05-20		Rating	2084.16
Round	Color	Result	Opponent
1	White	Loss	Sakamoto Suzan	2336.00
2	Black	Loss	Hata Masayuki	2231.24
4	White	Loss	Nakajima Osamu	2235.19
5	Black	Loss	Koiso Shigemasa	2171.62
7th All Japan Championship
Date	2012-01-29		Rating	2095.26
Round	Color	Result	Opponent
1	Black	Loss	Tamada Yoichi	2484.25
2	Black	Win	Kon Akira	2015.81
3	Black	Loss	Ishitani Shin-ichi	2376.30
4	Black	Win	Kato Yasuhiro	2068.31
5	White	Loss	Kudomi Takahiro	2422.48
6	Black	Loss	Tada Ayako	2268.92
43 Kyoto Classified Tournament
Date	2011-11-13		Rating	2101.31
Round	Color	Result	Opponent
S5	Black	Loss	Iio Yoshihiro	2479.48
7th Kansai Championship 1st round
Date	2011-10-23		Rating	2103.19
Round	Color	Result	Opponent
1	Black	Loss	Kise Katsumi	2542.84
2	Black	Win	Kon Akira	2015.04
3	White	Loss	Takahashi Roi	2105.26
4	Black	Loss	Miyagawa Junzo	2218.08
5	White	Loss	Hata Masayuki	2229.18
49th Meijinsen Tournament
Date	2011-09-19		Rating	2109.50
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2703.84
2	White	Win	Sakashita Shoichi	2143.06
3	White	Loss	Miyoshi Takeo	2157.56
4	Black	Loss	Yamaguchi Yusui	2650.96
5	White	Loss	Kashihara Akihiko	2255.43
6	White	Loss	Iio Yoshihiro	2490.80
7	White	Draw	Hasegawa Kazuto	2555.09
8	White	Win	Matsuura Hiroshi	2378.34
9	White	Loss	Nakayama Tomoharu	2576.84
49 Meijinsen Qualification Kansai area 2nd round
Date	2011-06-19		Rating	2118.08
Round	Color	Result	Opponent
1	Black	Loss	Iio Yoshihiro	2505.31
2	White	Win	Kise Katsumi	2539.67
3	White	Draw	Kashihara Akihiko	2251.51
49 Meijinsen Qualification Kansai area 1st round
Date	2011-05-15		Rating	2117.44
Round	Color	Result	Opponent
1	Black	Win	Kon Akira	2007.05
2	Black	Loss	Kise Katsumi	2536.65
3	White	Win	Yasumoto Yoshinobu	1946.54
4	Black	Win	Miyagawa Junzo	2208.81
5	Black	Loss	Kashihara Akihiko	2250.14
6th Kansai Championship 3rd round
Date	2011-01-09		Rating	2103.27
Round	Color	Result	Opponent
1	Black	Loss	Miyagawa Junzo	2221.53
2	White	Loss	Hata Masayuki	2183.95
3	Black	Loss	Oosumi Yuuki	2730.68
42 Kyoto Classified Tournament
Date	2010-11-14		Rating	2101.62
Round	Color	Result	Opponent
S1	White	Loss	Kudomi Takahiro	2409.97
S2	Black	Loss	Okabe Hiroshi	2693.23
S4	White	Loss	Miyagawa Junzo	2221.22
S5	White	Loss	Hasegawa Kazuto	2629.19
6th Kansai Championship 2nd round
Date	2010-10-31		Rating	2102.08
Round	Color	Result	Opponent
1	Black	Loss	Miyagawa Junzo	2221.25
2	White	Loss	Hata Masayuki	2171.91
3	Black	Win	Kon Akira	1988.88
9th Middle-dan Players Tournament
Date	2010-08-29		Rating	2106.88
Round	Color	Result	Opponent
1	Black	Loss	Kashihara Akihiko	2241.60
2	Black	Win	Kato Yasuhiro	2073.07
3	White	Win	Ono Takayuki	2385.25
4	Black	Win	Yasumoto Yoshinobu	1976.68
5	Black	Loss	Nagao Noriaki	2385.29
6	White	Draw	Ozawa Tetsushi	2084.35
Meijinsen Qualification Kansai area
Date	2010-05-16		Rating	2102.18
Round	Color	Result	Opponent
1	White	Loss	Koiso Shigemasa	2180.71
2	White	Loss	Ozawa Tetsushi	2074.13
3	Black	Win	Hata Masayuki	2140.18
4	Black	Loss	Takagawa Teiji	2186.96
5	Black	Win	Yasumoto Yoshinobu	1984.16
5th All Japan Championship
Date	2010-03-21		Rating	2102.27
Round	Color	Result	Opponent
5	Black	Loss	Kusajima Masato	2165.73
6	Black	Draw	Tadokoro Hosai	1895.44
40th Kyoto Classified - Special class
Date	2009-11-09		Rating	2112.42
Round	Color	Result	Opponent
1	White	Win	Kudomi Takahiro	2362.65
2	Black	Loss	Oosumi Yuuki	2627.98
3	White	Loss	Tamura Kazumasa	2507.05
4	White	Win	Okumura Toyohiko	2328.19
5	White	Loss	Iio Yoshihiro	2518.23
41 Kyoto Classified Tournament
Date	2009-11-08		Rating	2112.34
Round	Color	Result	Opponent
S1	White	Loss	Tamura Kazumasa	2507.07
S2	Black	Loss	Okumura Toyohiko	2328.30
S3	Black	Loss	Miyagawa Junzo	2197.16
S4	White	Loss	Kudomi Takahiro	2362.67
S5	Black	Win	Yasumoto Yoshinobu	1979.75
8th Middle-dan Players Tournament
Date	2009-08-30		Rating	2111.64
Round	Color	Result	Opponent
1	White	Loss	Ono Takayuki	2400.58
2	Black	Loss	Maruyama Yasushi	2259.63
3	Black	Loss	Yamamoto Yasuhiro	2145.31
4	Black	Win	Kato Yasuhiro	2046.87
5	Black	Win	Gakumazawa Hideaki	2136.36
6	White	Loss	Miyagawa Junzo	2199.77
47th Meijinsen Qualification Kansai area 2nd round
Date	2009-06-21		Rating	2113.59
Round	Color	Result	Opponent
1	Black	Loss	Oosumi Yuuki	2618.70
2	Black	Loss	Sakamoto Suzan	2304.95
3	Black	Win	Hata Masayuki	2179.92
47th Meijinsen Qualification Kansai area 1st round
Date	2009-05-10		Rating	2113.40
Round	Color	Result	Opponent
1	Black	Loss	Koiso Shigemasa	2163.39
2	Black	Win	Yasumoto Yoshinobu	2005.33
3	Black	Loss	Ozawa Tetsushi	2079.42
4	Black	Win	Miyagawa Junzo	2198.71
5	Black	Draw	Sakamoto Suzan	2300.69
7th 6-7 dan Tournament
Date	2008-09-28		Rating	2106.43
Round	Color	Result	Opponent
1	White	Loss	Gakumazawa Hideaki	2176.14
2	White	Win	Tanno Yoshitaka	2116.23
3	White	Draw	Maruyama Yasushi	2230.63
4	Black	Loss	Tamura Kazumasa	2468.64
5	Black	Win	Suzuki Junichiro	1880.61
6	Black	Loss	Ono Takayuki	2407.45
46th Meijinsen Qualification East-Japan area 1st round
Date	2008-06-15		Rating	2100.39
Round	Color	Result	Opponent
1	White	Draw	Fujikawa Masaki	2089.55
2	Black	Draw	Nakayama Tomoharu	2247.32
3	White	Loss	Kudomi Takahiro	2336.64
4	Black	Loss	Mitsumori Masao	2309.56
25th Kanto Championship
Date	2008-05-18		Rating	2099.56
Round	Color	Result	Opponent
1	White	Loss	Tamada Yoichi	2221.70
2	Black	Win	Maruta Hiroki	2035.64
3	White	Draw	Kobayashi Koichi	2096.21
4	White	Loss	Kudomi Takahiro	2334.76
5	White	Win	Tanizaki Ryusuke	2118.54
3rd All Japan Championship
Date	2008-03-23		Rating	2095.44
Round	Color	Result	Opponent
1	White	Win	Ishitani Shin-ichi	2402.97
2	Black	Loss	Isobe Taizan	2433.88
3	Black	Loss	Tamada Yoichi	2204.98
4	Black	Win	Maruta Hiroki	2028.74
5	White	Loss	Miyoshi Takeo	2274.45
6	Black	Loss	Nakayama Tomoharu	2228.87
6dan 7dan Tournament
Date	2007-10-08		Rating	2079.30
Round	Color	Result	Opponent
1	White	Loss	Tamura Kazumasa	2406.13
2	Black	Loss	Kato Yasuhiro	1967.24
3	White	Draw	Tadokoro Hosai	1930.82
4	Black	Loss	Yamamoto Yasuhiro	2088.45
5	White	Loss	Nagao Noriaki	2246.46
6	Black	Loss	Miyagawa Junzo	2267.12
World Championship 2007, BT
Date	2007-08-15		Rating	2086.12
Round	Color	Result	Opponent
1	Black	Loss	Yang Hsiao-Yu	2164.23
2	White	Draw	Saranchin Aleksandr	2089.37
3	Black	Loss	Serdyukov Egor	2497.99
4	Black	Win	Khramov Aleksey	1724.03
5	White	Loss	Poghosyan Albert	2387.48
6	Black	Draw	Pushkaryov Dmitry	2090.40
7	White	Win	Lillemets Rauni	2115.35
8	White	Loss	Eriksson Bjorn	2342.42
9	Black	Win	Khramov Bogdan	1733.18
45th Meijinsen Qualification East-Japan area 1st round
Date	2007-06-17		Rating	2093.77
Round	Color	Result	Opponent
1	Black	Win	Tomobe Katsuhiro	2042.62
2	Black	Loss	Kudomi Takahiro	2338.58
3	White	Draw	Tamura Kazumasa	2394.57
4	Black	Loss	Mitsumori Masao	2269.70
24th Kanto Championship Tournament
Date	2007-05-06		Rating	2097.76
Round	Color	Result	Opponent
1	Black	Win	Fujikawa Masaki	2102.77
2	Black	Loss	Okabe Hiroshi	2616.95
3	White	Win	Tomobe Katsuhiro	2048.58
4	Black	Loss	Ishitani Shin-ichi	2382.95
5	White	Loss	Tanizaki Ryusuke	2139.96
2nd All Japan Championship (WC Qualification)
Date	2007-03-25		Rating	2100.41
Round	Color	Result	Opponent
1	White	Loss	Ishitani Shin-ichi	2379.43
2	White	Win	Fujikawa Masaki	2099.78
3	White	Win	Tanizaki Ryusuke	2138.10
7th Kanto Renju Emperor Tournament - 1st round
Date	2006-10-15		Rating	2094.70
Round	Color	Result	Opponent
1	White	Loss	Tanizaki Ryusuke	2126.01
2	White	Loss	Fujikawa Masaki	2052.97
3	White	Win	Watanabe Tatsuya	2129.37
4	White	Loss	Abiko Setsuko	2035.03
5	Black	Win	Tanizaki Shingo	1869.46
Asian Championship 2006
Date	2006-08-15		Rating	2098.20
Round	Color	Result	Opponent
1	Black	Loss	Mitsumori Masao	2242.73
2	White	Win	Ishitani Shin-ichi	2360.94
3	White	Win	Chang Jae-Won	2017.40
4	White	Loss	Park Jeong Ho	2386.21
5	White	Loss	Pu Hsun-Fang	1960.75
6	Black	Draw	Kuramoto Hideharu	1875.49
7	White	Loss	Kashihara Akihiko	2293.83
8	White	Win	Yoon Seong-Won	1830.60
Meijin-sen Qual, East Japan area 1st round
Date	2006-06-18		Rating	2103.45
Round	Color	Result	Opponent
1	Black	Loss	Tomobe Katsuhiro	2085.07
2	Black	Win	Iwano Fumio	2097.50
3	White	Loss	Nagao Noriaki	2232.77
4	White	Draw	Kato Yasuhiro	2034.45
1st All Japan Championship
Date	2006-03-26		Rating	2115.29
Round	Color	Result	Opponent
1	White	Loss	Matsuura Hiroshi	2310.77
2	Black	Loss	Miyoshi Takeo	2272.76
3	White	Win	Hara Masao	2070.66
6th Kanto Renju Emperor Tournament - 1st round
Date	2005-10-22		Rating	2138.80
Round	Color	Result	Opponent
1	Black	Win	Kamemoto Daichi	2178.68
2	Black	Win	Teshima Masakatsu	1956.14
3	Black	Loss	Yamaguchi Yusui	2593.51
4	Black	Win	Tomobe Katsuhiro	2078.62
World Championship 2005, BT
Date	2005-08-05		Rating	2140.57
Round	Color	Result	Opponent
1	White	Draw	Serdyukov Egor	2379.97
2	Black	Loss	Ishitani Shin-ichi	2401.12
3	White	Loss	Chen Ko-Han	2503.53
4	Black	Loss	Oll Aivo	2553.77
5	White	Win	Rachitskaya Viktoria	2116.10
6	Black	Loss	Ono Takayuki	2289.12
7	Black	Win	Omata Mitsuo	1710.05
8	Black	Loss	Kudomi Takahiro	2293.51
9	White	Loss	Lillemets Rauni	2142.52
43rd Meijinsen Qualification: East Japan 1st round
Date	2005-06-12		Rating	2145.54
Round	Color	Result	Opponent
1	White	Loss	Itami Yoshiyuki	2187.53
2	Black	Loss	Nagao Noriaki	2227.80
3	White	Loss	Sasaki Miyu	1960.47
4	Black	Loss	Tanno Yoshitaka	2091.89
Japan WC Qualification tournament
Date	2005-04-03		Rating	2168.65
Round	Color	Result	Opponent
1	Black	Win	Yamaguchi Yusui	2554.97
2	White	Loss	Sato Kiyotomi	2388.43
3	White	Loss	Ishitani Shin-ichi	2385.30
4	Black	Loss	Miyagawa Sou	2126.66
5	White	Win	Nagao Noriaki	2230.20
6	Black	Win	Maruta Koji	2160.89
5th 6-7 dan Tournament
Date	2004-12-05		Rating	2195.05
Round	Color	Result	Opponent
1	White	Win	Yamamoto Yasuhiro	2044.33
2	Black	Win	Arita Nobuyoshi	2279.23
3	Black	Draw	Kudomi Takahiro	2329.64
4	Black	Win	Hiwatashi Kikuma	1947.17
5	White	Loss	Sato Kiyotomi	2366.45
6	Black	Win	Tadokoro Hosai	1924.92
42nd Meijinsen Qualification: East Japan 1st round
Date	2004-06-13		Rating	2210.63
Round	Color	Result	Opponent
1	Black	Win	Mitsumori Masao	2245.99
2	White	Win	Ohno Syunzo	2068.52
3	White	Loss	Kawamura Norihiko	2718.41
4	Black	Loss	Sato Kiyotomi	2351.05
4th Kanto Renju Emperor Tournament - 1st round
Date	2003-11-16		Rating	2217.72
Round	Color	Result	Opponent
1	Black	Win	Tanizaki Ryusuke	2031.19
2	Black	Loss	Yamaguchi Yusui	2590.90
3	Black	Win	Uchiyama Yasuhiko	1824.19
4	Black	Loss	Maruta Koji	2229.35
World Championship 2003, BT
Date	2003-08-08		Rating	2223.75
Round	Color	Result	Opponent
1	White	Win	Kudomi Takahiro	2343.91
2	Black	Loss	Chang Yi-Feng	2462.10
3	Black	Win	Nagao Noriaki	2305.27
4	White	Loss	Oll Aivo	2377.74
5	Black	Win	Ishitani Shin-ichi	2382.34
6	Black	Loss	Poghosyan Albert	2335.49
8	White	Loss	Eibatov Nizami	2332.49
8	Black	Win	Dzainukov Eldar	2197.51
World Championship 2003, QT
Date	2003-07-31		Rating	2223.10
Round	Color	Result	Opponent
1	White	Loss	Karlsson Stefan	2557.24
3	White	Loss	Ilu Timo	2447.37
4	White	Loss	Gardström Petter	2414.62
5	Black	Loss	Lu Wei-Yuan	2207.32
6	Black	Win	Dzainukov Eldar	2196.73
7	White	Loss	Karasyov Maxim	2489.15
41th Meijinsen Qualification: East Japan 1st round
Date	2003-06-08		Rating	2223.71
Round	Color	Result	Opponent
1	White	Loss	Sato Kiyotomi	2297.45
2	Black	Win	Ono Takayuki	2189.03
3	White	Loss	Sano Hiroyuki	2208.18
4	White	Draw	Maruta Koji	2218.88
Japan WC Qualification 2003
Date	2003-03-22		Rating	2228.71
Round	Color	Result	Opponent
1	Black	Win	Fujio Katsutoshi	1974.83
2	Black	Loss	Nara Hideki	2588.00
3	Black	Draw	Sakurai Yasuo	2078.30
4	Black	Win	Tashiro Yuichi	2256.80
5	Black	Win	Iio Yoshihiro	2458.87
40th Meijinsen Qualification: East Japan 1st round
Date	2002-06-02		Rating	2208.37
Round	Color	Result	Opponent
1	White	Loss	Mitsumori Masao	2303.91
2	Black	Win	Tadokoro Hosai	1992.33
3	Black	Win	Sato Koichi	1922.03
4	White	Loss	Isobe Taizan	2447.20
38th Meijinsen Qualification: East Japan 1st round
Date	2000-06-04		Rating	2172.60
Round	Color	Result	Opponent
1	White	Win	Mitsumori Masao	2291.94
2	White	Loss	Suzuki Naoya	2170.61
3	White	Loss	Kusajima Masato	2353.22
4	Black	Win	Adachi Yasuhiro	1993.56
Kanto Championship
Date	2000-05-14		Rating	2171.18
Round	Color	Result	Opponent
1	Black	Win	Omata Mitsuo	1870.44
2	White	Loss	Nakamura Shigeru	2758.95
3	Black	Win	Horiuchi Kazuki	1758.43
4	White	Loss	Nara Hideki	2563.39
Kyoto - 1200
Date	1994-08-07		Rating	2003.94
Round	Color	Result	Opponent
	White	Loss	Uchimoto Yoshinori	2057.21