Kubo Izumi (久保出美)

Place: Kobe, Japan

Rating: 2126.03, Std: 260.05, Rank: -

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

Top rating: 2229.53 (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	2126.03
Round	Color	Result	Opponent
1	Black	Win	Sakamoto Suzan	2274.08
2	Black	Loss	Hasegawa Kazuto	2635.71
54 Meijinsen Qualification Kansai area 1st round
Date	2016-05-15		Rating	2114.39
Round	Color	Result	Opponent
1	White	Loss	Kawamura Norihiko	2611.92
2	Black	Win	Nishida Toshio	2081.20
3	Black	Loss	Sakamoto Suzan	2278.34
4	Black	Win	Ozawa Tetsushi	2031.80
11 Kansai Championship 1st round
Date	2015-10-25		Rating	2088.41
Round	Color	Result	Opponent
1	Black	Loss	Tachi Masaya	2470.83
2	White	Loss	Sakamoto Suzan	2280.27
3	White	Loss	Matsui Tsunehiro	2210.67
5	White	Draw	Kashihara Akihiko	2337.15
12th Middle-dan Players Tournament
Date	2015-07-20		Rating	2080.00
Round	Color	Result	Opponent
1	Black	Loss	Kusajima Masato	2262.60
3	Black	Draw	Kashihara Akihiko	2327.67
4	Black	Loss	Miyagawa Junzo	2243.69
5	White	Loss	Yoshida Hisao	2144.88
6	White	Loss	Kobayashi Koichi	2283.96
53 Meijinsen Qualification Kansai area 1st round
Date	2015-05-17		Rating	2080.69
Round	Color	Result	Opponent
1	Black	Loss	Kawamura Norihiko	2639.58
2	Black	Loss	Tachi Masaya	2477.90
3	Black	Win	Kon Akira	1974.96
4	Black	Loss	Hata Masayuki	2184.50
10th All Japan Championship
Date	2015-03-29		Rating	2081.95
Round	Color	Result	Opponent
1	Black	Loss	Nagao Noriaki	2275.94
2	Black	Win	Miyagawa Junzo	2240.91
3	Black	Loss	Mitsumori Masao	2322.18
4	Black	Loss	Mano Yoshihisa	2347.69
5	Black	Win	Kato Yasuhiro	2059.91
6	White	Loss	Ono Takayuki	2331.75
10 Kansai Championship 1st round
Date	2014-10-26		Rating	2079.64
Round	Color	Result	Opponent
1	White	Loss	Tachi Masaya	2461.06
2	Black	Loss	Sakamoto Suzan	2293.34
4	Black	Loss	Kon Akira	1989.45
5	Black	Loss	Miyagawa Junzo	2226.58
1st Senior Masters Championship
Date	2014-08-29		Rating	2086.85
Round	Color	Result	Opponent
1	Black	Loss	Kobayashi Koichi	2250.11
2	White	Loss	Isobe Taizan	2429.33
3	Black	Win	Kato Yasuhiro	2086.84
4	Black	Loss	Mitsumori Masao	2335.27
5	White	Loss	Ishitani Shin-ichi	2449.50
6	Black	Win	Miyagawa Junzo	2216.79
7	Black	Loss	Miura Hitoshi	1803.46
52 Meijinsen Qualification Kansai area 1st round
Date	2014-05-18		Rating	2103.82
Round	Color	Result	Opponent
1	Black	Loss	Tachi Masaya	2437.12
2	Black	Win	Kon Akira	1982.72
3	White	Win	Ozawa Tetsushi	2060.80
4	White	Draw	Kashihara Akihiko	2342.58
9th All Japan Championship
Date	2014-01-26		Rating	2110.56
Round	Color	Result	Opponent
1	White	Win	Kashihara Akihiko	2335.23
2	White	Loss	Tamura Kazumasa	2528.34
3	Black	Loss	Tada Ayako	2314.91
4	White	Win	Kobayashi Koichi	2230.58
5	White	Loss	Mano Yoshihisa	2313.17
6	Black	Win	Yamamoto Yasuhiro	2145.38
9th Kansai Championship 1st round
Date	2013-10-27		Rating	2101.44
Round	Color	Result	Opponent
1	Black	Win	Kon Akira	1978.64
2	Black	Loss	Sakamoto Suzan	2300.09
3	Black	Loss	Iio Yoshihiro	2527.86
5	Black	Win	Watanabe Nobuo	2026.49
11th Middle-dan players Tournament
Date	2013-08-17		Rating	2091.14
Round	Color	Result	Opponent
1	White	Loss	Mano Yoshihisa	2311.71
2	Black	Loss	Kobayashi Koichi	2224.96
3	Black	Loss	Miyagawa Junzo	2217.01
4	Black	Loss	Maruta Koji	2172.71
5	Black	Loss	Maruta Hiroki	2134.74
6	Black	Win	Kato Yasuhiro	2131.41
51 Meijinsen Qualification Kansai area 1st round
Date	2013-05-19		Rating	2089.34
Round	Color	Result	Opponent
1	Black	Win	Koiso Shigemasa	2156.37
2	Black	Loss	Hata Masayuki	2267.05
3	White	Loss	Iio Yoshihiro	2489.23
5	Black	Loss	Matsui Tsunehiro	2183.72
8th All Japan Championship
Date	2013-03-24		Rating	2089.02
Round	Color	Result	Opponent
1	White	Loss	Isobe Taizan	2402.37
2	Black	Loss	Mitsumori Masao	2337.84
3	Black	Loss	Miyagawa Junzo	2217.05
4	Black	Win	Tomobe Katsuhiro	2160.73
5	Black	Loss	Suzuki Rin	2048.14
6	White	Win	Kato Yasuhiro	2142.20
10th Middle-dan players Tournament
Date	2012-08-26		Rating	2088.71
Round	Color	Result	Opponent
1	Black	Loss	Kashihara Akihiko	2308.75
2	Black	Win	Mano Yoshihisa	2251.87
3	Black	Loss	Fukui Nobuhiro	2534.26
4	Black	Win	Kato Yasuhiro	2097.36
5	Black	Loss	Maruyama Yasushi	2253.18
6	White	Loss	Yamamoto Yasuhiro	2158.87
50 Meijinsen Qualification Kansai area 1st round
Date	2012-05-20		Rating	2085.74
Round	Color	Result	Opponent
1	White	Loss	Sakamoto Suzan	2337.55
2	Black	Loss	Hata Masayuki	2232.76
4	White	Loss	Nakajima Osamu	2236.79
5	Black	Loss	Koiso Shigemasa	2173.17
7th All Japan Championship
Date	2012-01-29		Rating	2096.80
Round	Color	Result	Opponent
1	Black	Loss	Tamada Yoichi	2485.76
2	Black	Win	Kon Akira	2017.33
3	Black	Loss	Ishitani Shin-ichi	2377.82
4	Black	Win	Kato Yasuhiro	2069.89
5	White	Loss	Kudomi Takahiro	2424.08
6	Black	Loss	Tada Ayako	2270.46
43 Kyoto Classified Tournament
Date	2011-11-13		Rating	2102.81
Round	Color	Result	Opponent
S5	Black	Loss	Iio Yoshihiro	2481.05
7th Kansai Championship 1st round
Date	2011-10-23		Rating	2104.69
Round	Color	Result	Opponent
1	Black	Loss	Kise Katsumi	2544.43
2	Black	Win	Kon Akira	2016.52
3	White	Loss	Takahashi Roi	2106.67
4	Black	Loss	Miyagawa Junzo	2219.55
5	White	Loss	Hata Masayuki	2230.64
49th Meijinsen Tournament
Date	2011-09-19		Rating	2110.98
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2705.43
2	White	Win	Sakashita Shoichi	2144.20
3	White	Loss	Miyoshi Takeo	2158.96
4	Black	Loss	Yamaguchi Yusui	2652.39
5	White	Loss	Kashihara Akihiko	2256.93
6	White	Loss	Iio Yoshihiro	2492.38
7	White	Draw	Hasegawa Kazuto	2556.53
8	White	Win	Matsuura Hiroshi	2379.69
9	White	Loss	Nakayama Tomoharu	2578.44
49 Meijinsen Qualification Kansai area 2nd round
Date	2011-06-19		Rating	2119.53
Round	Color	Result	Opponent
1	Black	Loss	Iio Yoshihiro	2506.86
2	White	Win	Kise Katsumi	2541.25
3	White	Draw	Kashihara Akihiko	2252.99
49 Meijinsen Qualification Kansai area 1st round
Date	2011-05-15		Rating	2118.88
Round	Color	Result	Opponent
1	Black	Win	Kon Akira	2008.46
2	Black	Loss	Kise Katsumi	2538.22
3	White	Win	Yasumoto Yoshinobu	1947.80
4	Black	Win	Miyagawa Junzo	2210.24
5	Black	Loss	Kashihara Akihiko	2251.61
6th Kansai Championship 3rd round
Date	2011-01-09		Rating	2104.66
Round	Color	Result	Opponent
1	Black	Loss	Miyagawa Junzo	2222.91
2	White	Loss	Hata Masayuki	2185.32
3	Black	Loss	Oosumi Yuuki	2732.06
42 Kyoto Classified Tournament
Date	2010-11-14		Rating	2103.00
Round	Color	Result	Opponent
S1	White	Loss	Kudomi Takahiro	2411.39
S2	Black	Loss	Okabe Hiroshi	2694.65
S4	White	Loss	Miyagawa Junzo	2222.58
S5	White	Loss	Hasegawa Kazuto	2630.54
6th Kansai Championship 2nd round
Date	2010-10-31		Rating	2103.45
Round	Color	Result	Opponent
1	Black	Loss	Miyagawa Junzo	2222.61
2	White	Loss	Hata Masayuki	2173.26
3	Black	Win	Kon Akira	1990.21
9th Middle-dan Players Tournament
Date	2010-08-29		Rating	2108.24
Round	Color	Result	Opponent
1	Black	Loss	Kashihara Akihiko	2243.02
2	Black	Win	Kato Yasuhiro	2074.46
3	White	Win	Ono Takayuki	2386.61
4	Black	Win	Yasumoto Yoshinobu	1977.92
5	Black	Loss	Nagao Noriaki	2386.66
6	White	Draw	Ozawa Tetsushi	2085.68
Meijinsen Qualification Kansai area
Date	2010-05-16		Rating	2103.50
Round	Color	Result	Opponent
1	White	Loss	Koiso Shigemasa	2182.03
2	White	Loss	Ozawa Tetsushi	2075.42
3	Black	Win	Hata Masayuki	2141.48
4	Black	Loss	Takagawa Teiji	2188.33
5	Black	Win	Yasumoto Yoshinobu	1985.38
5th All Japan Championship
Date	2010-03-21		Rating	2103.58
Round	Color	Result	Opponent
5	Black	Loss	Kusajima Masato	2167.63
6	Black	Draw	Tadokoro Hosai	1896.63
40th Kyoto Classified - Special class
Date	2009-11-09		Rating	2113.68
Round	Color	Result	Opponent
1	White	Win	Kudomi Takahiro	2363.93
2	Black	Loss	Oosumi Yuuki	2629.15
3	White	Loss	Tamura Kazumasa	2508.25
4	White	Win	Okumura Toyohiko	2329.39
5	White	Loss	Iio Yoshihiro	2519.49
41 Kyoto Classified Tournament
Date	2009-11-08		Rating	2113.61
Round	Color	Result	Opponent
S1	White	Loss	Tamura Kazumasa	2508.28
S2	Black	Loss	Okumura Toyohiko	2329.50
S3	Black	Loss	Miyagawa Junzo	2198.40
S4	White	Loss	Kudomi Takahiro	2363.94
S5	Black	Win	Yasumoto Yoshinobu	1980.93
8th Middle-dan Players Tournament
Date	2009-08-30		Rating	2112.88
Round	Color	Result	Opponent
1	White	Loss	Ono Takayuki	2401.78
2	Black	Loss	Maruyama Yasushi	2260.82
3	Black	Loss	Yamamoto Yasuhiro	2146.48
4	Black	Win	Kato Yasuhiro	2048.09
5	Black	Win	Gakumazawa Hideaki	2137.95
6	White	Loss	Miyagawa Junzo	2200.99
47th Meijinsen Qualification Kansai area 2nd round
Date	2009-06-21		Rating	2114.81
Round	Color	Result	Opponent
1	Black	Loss	Oosumi Yuuki	2619.82
2	Black	Loss	Sakamoto Suzan	2306.14
3	Black	Win	Hata Masayuki	2181.12
47th Meijinsen Qualification Kansai area 1st round
Date	2009-05-10		Rating	2114.60
Round	Color	Result	Opponent
1	Black	Loss	Koiso Shigemasa	2164.60
2	Black	Win	Yasumoto Yoshinobu	2006.47
3	Black	Loss	Ozawa Tetsushi	2080.54
4	Black	Win	Miyagawa Junzo	2199.90
5	Black	Draw	Sakamoto Suzan	2301.86
7th 6-7 dan Tournament
Date	2008-09-28		Rating	2107.56
Round	Color	Result	Opponent
1	White	Loss	Gakumazawa Hideaki	2177.49
2	White	Win	Tanno Yoshitaka	2117.67
3	White	Draw	Maruyama Yasushi	2231.73
4	Black	Loss	Tamura Kazumasa	2469.77
5	Black	Win	Suzuki Junichiro	1881.68
6	Black	Loss	Ono Takayuki	2408.58
46th Meijinsen Qualification East-Japan area 1st round
Date	2008-06-15		Rating	2101.48
Round	Color	Result	Opponent
1	White	Draw	Fujikawa Masaki	2090.62
2	Black	Draw	Nakayama Tomoharu	2248.43
3	White	Loss	Kudomi Takahiro	2337.75
4	Black	Loss	Mitsumori Masao	2310.67
25th Kanto Championship
Date	2008-05-18		Rating	2100.64
Round	Color	Result	Opponent
1	White	Loss	Tamada Yoichi	2222.79
2	Black	Win	Maruta Hiroki	2036.69
3	White	Draw	Kobayashi Koichi	2097.34
4	White	Loss	Kudomi Takahiro	2335.86
5	White	Win	Tanizaki Ryusuke	2119.63
3rd All Japan Championship
Date	2008-03-23		Rating	2096.50
Round	Color	Result	Opponent
1	Black	Win	Ishitani Shin-ichi	2403.99
2	Black	Loss	Isobe Taizan	2434.97
3	Black	Loss	Tamada Yoichi	2206.06
4	Black	Win	Maruta Hiroki	2029.77
5	Black	Loss	Miyoshi Takeo	2275.50
6	Black	Loss	Nakayama Tomoharu	2229.96
6dan 7dan Tournament
Date	2007-10-08		Rating	2080.29
Round	Color	Result	Opponent
1	White	Loss	Tamura Kazumasa	2407.18
2	Black	Loss	Kato Yasuhiro	1968.24
3	White	Draw	Tadokoro Hosai	1931.81
4	Black	Loss	Yamamoto Yasuhiro	2089.42
5	White	Loss	Nagao Noriaki	2247.49
6	Black	Loss	Miyagawa Junzo	2268.14
World Championship 2007, BT
Date	2007-08-15		Rating	2087.08
Round	Color	Result	Opponent
1	Black	Loss	Yang Hsiao-Yu	2164.85
2	White	Draw	Saranchin Aleksandr	2089.87
3	Black	Loss	Serdyukov Egor	2498.95
4	Black	Win	Khramov Aleksey	1727.14
5	White	Loss	Poghosyan Albert	2387.00
6	Black	Draw	Pushkaryov Dmitry	2090.75
7	White	Win	Lillemets Rauni	2116.31
8	White	Loss	Eriksson Bjorn	2343.40
9	Black	Win	Khramov Bogdan	1734.31
45th Meijinsen Qualification East-Japan area 1st round
Date	2007-06-17		Rating	2094.73
Round	Color	Result	Opponent
1	Black	Win	Tomobe Katsuhiro	2043.59
2	Black	Loss	Kudomi Takahiro	2339.59
3	White	Draw	Tamura Kazumasa	2395.59
4	Black	Loss	Mitsumori Masao	2270.71
24th Kanto Championship Tournament
Date	2007-05-06		Rating	2098.70
Round	Color	Result	Opponent
1	Black	Win	Fujikawa Masaki	2103.73
2	Black	Loss	Okabe Hiroshi	2617.95
3	White	Win	Tomobe Katsuhiro	2049.54
4	Black	Loss	Ishitani Shin-ichi	2383.89
5	White	Loss	Tanizaki Ryusuke	2140.95
2nd All Japan Championship (WC Qualification)
Date	2007-03-25		Rating	2101.34
Round	Color	Result	Opponent
1	White	Loss	Ishitani Shin-ichi	2380.35
2	White	Win	Fujikawa Masaki	2100.73
3	White	Win	Tanizaki Ryusuke	2139.07
7th Kanto Renju Emperor Tournament - 1st round
Date	2006-10-15		Rating	2095.59
Round	Color	Result	Opponent
1	White	Loss	Tanizaki Ryusuke	2126.94
2	White	Loss	Fujikawa Masaki	2053.88
3	White	Win	Watanabe Tatsuya	2130.28
4	White	Loss	Abiko Setsuko	2035.60
5	Black	Win	Tanizaki Shingo	1870.00
Asian Championship 2006
Date	2006-08-15		Rating	2099.08
Round	Color	Result	Opponent
1	Black	Loss	Mitsumori Masao	2243.65
2	White	Win	Ishitani Shin-ichi	2361.81
3	White	Win	Chang Jae-Won	2017.89
4	White	Loss	Park Jeong Ho	2387.00
5	White	Loss	Pu Hsun-Fang	1961.26
6	Black	Draw	Kuramoto Hideharu	1876.35
7	White	Loss	Kashihara Akihiko	2295.07
8	White	Win	Yoon Seong-Won	1831.00
Meijin-sen Qual, East Japan area 1st round
Date	2006-06-18		Rating	2104.32
Round	Color	Result	Opponent
1	Black	Loss	Tomobe Katsuhiro	2085.95
2	Black	Win	Iwano Fumio	2098.40
3	White	Loss	Nagao Noriaki	2233.68
4	White	Draw	Kato Yasuhiro	2035.33
1st All Japan Championship
Date	2006-03-26		Rating	2116.16
Round	Color	Result	Opponent
1	White	Loss	Matsuura Hiroshi	2311.72
2	Black	Loss	Miyoshi Takeo	2273.66
3	White	Win	Hara Masao	2071.53
6th Kanto Renju Emperor Tournament - 1st round
Date	2005-10-22		Rating	2139.66
Round	Color	Result	Opponent
1	Black	Win	Kamemoto Daichi	2179.51
2	Black	Win	Teshima Masakatsu	1956.93
3	Black	Loss	Yamaguchi Yusui	2594.39
4	Black	Win	Tomobe Katsuhiro	2079.46
World Championship 2005, BT
Date	2005-08-05		Rating	2141.41
Round	Color	Result	Opponent
1	White	Draw	Serdyukov Egor	2380.81
2	Black	Loss	Ishitani Shin-ichi	2401.90
3	White	Loss	Chen Ko-Han	2504.03
4	Black	Loss	Oll Aivo	2554.46
5	White	Win	Rachitskaya Viktoria	2116.95
6	Black	Loss	Ono Takayuki	2289.97
7	Black	Win	Omata Mitsuo	1710.93
8	Black	Loss	Kudomi Takahiro	2294.35
9	White	Loss	Lillemets Rauni	2143.33
43rd Meijinsen Qualification: East Japan 1st round
Date	2005-06-12		Rating	2146.38
Round	Color	Result	Opponent
1	White	Loss	Itami Yoshiyuki	2188.34
2	Black	Loss	Nagao Noriaki	2228.64
3	White	Loss	Sasaki Miyu	1961.23
4	Black	Loss	Tanno Yoshitaka	2092.78
Japan WC Qualification tournament
Date	2005-04-03		Rating	2169.49
Round	Color	Result	Opponent
1	Black	Win	Yamaguchi Yusui	2555.88
2	White	Loss	Sato Kiyotomi	2389.29
3	White	Loss	Ishitani Shin-ichi	2386.10
4	Black	Loss	Miyagawa Sou	2127.60
5	White	Win	Nagao Noriaki	2231.04
6	Black	Win	Maruta Koji	2161.76
5th 6-7 dan Tournament
Date	2004-12-05		Rating	2195.88
Round	Color	Result	Opponent
1	White	Win	Yamamoto Yasuhiro	2045.16
2	Black	Win	Arita Nobuyoshi	2280.06
3	Black	Draw	Kudomi Takahiro	2330.44
4	Black	Win	Hiwatashi Kikuma	1947.83
5	White	Loss	Sato Kiyotomi	2367.29
6	Black	Win	Tadokoro Hosai	1925.73
42nd Meijinsen Qualification: East Japan 1st round
Date	2004-06-13		Rating	2211.46
Round	Color	Result	Opponent
1	Black	Win	Mitsumori Masao	2246.83
2	White	Win	Ohno Syunzo	2069.36
3	White	Loss	Kawamura Norihiko	2719.74
4	Black	Loss	Sato Kiyotomi	2351.88
4th Kanto Renju Emperor Tournament - 1st round
Date	2003-11-16		Rating	2218.53
Round	Color	Result	Opponent
1	Black	Win	Tanizaki Ryusuke	2031.88
2	Black	Loss	Yamaguchi Yusui	2592.01
3	Black	Win	Uchiyama Yasuhiko	1824.70
4	Black	Loss	Maruta Koji	2230.22
World Championship 2003, BT
Date	2003-08-08		Rating	2224.56
Round	Color	Result	Opponent
1	White	Win	Kudomi Takahiro	2344.35
2	Black	Loss	Chang Yi-Feng	2462.39
3	Black	Win	Nagao Noriaki	2305.91
4	White	Loss	Oll Aivo	2378.38
5	Black	Win	Ishitani Shin-ichi	2382.98
6	Black	Loss	Poghosyan Albert	2336.32
8	White	Loss	Eibatov Nizami	2334.11
8	Black	Win	Dzainukov Eldar	2198.51
World Championship 2003, QT
Date	2003-07-31		Rating	2223.91
Round	Color	Result	Opponent
1	White	Loss	Karlsson Stefan	2558.20
3	White	Loss	Ilu Timo	2447.94
4	White	Loss	Gardström Petter	2415.64
5	Black	Loss	Lu Wei-Yuan	2208.06
6	Black	Win	Dzainukov Eldar	2197.72
7	White	Loss	Karasyov Maxim	2488.50
41th Meijinsen Qualification: East Japan 1st round
Date	2003-06-08		Rating	2224.52
Round	Color	Result	Opponent
1	White	Loss	Sato Kiyotomi	2298.27
2	Black	Win	Ono Takayuki	2189.79
3	White	Loss	Sano Hiroyuki	2209.12
4	White	Draw	Maruta Koji	2219.75
Japan WC Qualification 2003
Date	2003-03-22		Rating	2229.53
Round	Color	Result	Opponent
1	Black	Win	Fujio Katsutoshi	1975.38
2	Black	Loss	Nara Hideki	2588.88
3	Black	Draw	Sakurai Yasuo	2079.11
4	Black	Win	Tashiro Yuichi	2257.57
5	Black	Win	Iio Yoshihiro	2459.86
40th Meijinsen Qualification: East Japan 1st round
Date	2002-06-02		Rating	2209.22
Round	Color	Result	Opponent
1	White	Loss	Mitsumori Masao	2304.95
2	Black	Win	Tadokoro Hosai	1993.16
3	Black	Win	Sato Koichi	1922.66
4	White	Loss	Isobe Taizan	2448.35
38th Meijinsen Qualification: East Japan 1st round
Date	2000-06-04		Rating	2173.48
Round	Color	Result	Opponent
1	White	Win	Mitsumori Masao	2293.50
2	White	Loss	Suzuki Naoya	2171.40
3	White	Loss	Kusajima Masato	2354.68
4	Black	Win	Adachi Yasuhiro	1994.75
Kanto Championship
Date	2000-05-14		Rating	2172.06
Round	Color	Result	Opponent
1	Black	Win	Omata Mitsuo	1871.16
2	White	Loss	Nakamura Shigeru	2761.48
3	Black	Win	Horiuchi Kazuki	1758.46
4	White	Loss	Nara Hideki	2565.55
Kyoto - 1200
Date	1994-08-07		Rating	2004.42
Round	Color	Result	Opponent
	White	Loss	Uchimoto Yoshinori	2057.39