Kusajima Masato (草島真人)

Place: Miyagi, Japan

Rating: 2263.23, Std: 100.52, Rank: 365

First game: 2000-05-14, Last game: 2026-05-16

Top rating: 2396.57 (2001-08-12)

Games: 237, Wins: 104, Draws: 29, Losses: 104

Gy1: 11, Gy2: 20, Gy5: 57

64rd Meijinsen Qualification Tohoku area 1st round
Date	2026-05-16		Rating	2263.23
Round	Color	Result	Opponent
1	Black	Win	Miyamoto Syunju	2342.28
2	White	Win	Kawaai Hitoshi	2062.11
3	Black	Loss	Gakumazawa Hideaki	2176.45
4	White	Win	Miyamoto Syunju	2342.28
5	Black	Loss	Kawaai Hitoshi	2062.11
6	Black	Win	Gakumazawa Hideaki	2176.45
17th Tohoku Championshp
Date	2026-03-15		Rating	2260.08
Round	Color	Result	Opponent
1	Black	Loss	Miyamoto Syunju	2343.58
2	Black	Win	Hirono Masakazu	1952.61
3	White	Loss	Okabe Hiroshi	2735.78
4	Black	Loss	Yoshikawa Tomoki	2482.63
5	White	Win	Ishitani Shin-ichi	2350.19
63rd Meijinsen Qualification Tohoku area 1st round
Date	2025-05-18		Rating	2241.04
Round	Color	Result	Opponent
1	Black	Loss	Miyamoto Syunju	2316.34
3	White	Draw	Shimura Hiroki	2256.87
4	White	Draw	Kawaai Hitoshi	2068.44
5	White	Draw	Gakumazawa Hideaki	2145.68
16th Tohoku Championship
Date	2025-03-09		Rating	2242.32
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2736.12
2	Black	Draw	Kawaai Hitoshi	2069.80
3	Black	Win	Tamura Syougo	1769.51
4	White	Draw	Gakumazawa Hideaki	2141.41
5	Black	Loss	Miyamoto Syunju	2316.28
62nd Meijinsen Qualification Tohoku area 1st round
Date	2024-05-19		Rating	2272.52
Round	Color	Result	Opponent
1	White	Loss	Miyamoto Syunju	2365.66
2	White	Draw	Fujita Maiko	2434.24
3	Black	Win	Kawaai Hitoshi	2037.12
4	White	Draw	Gakumazawa Hideaki	2131.28
5	White	Win	Shimura Hiroki	2171.09
15th Tohoku Championship
Date	2024-03-31		Rating	2276.36
Round	Color	Result	Opponent
1	White	Win	Fujita Maiko	2426.44
2	White	Loss	Ishitani Shin-ichi	2423.11
3	White	Win	Gakumazawa Hideaki	2123.63
4	White	Loss	Miyamoto Syunju	2368.84
5	White	Win	Kawaai Hitoshi	2039.62
24 Kanto Renju Emperor Tournament Tohoku area 1st round
Date	2023-11-19		Rating	2278.96
Round	Color	Result	Opponent
1	White	Win	Shimura Hiroki	2161.06
3	White	Win	Miyamoto Syunju	2339.32
4	White	Draw	Shimura Hiroki	2161.06
6	Black	Loss	Miyamoto Syunju	2339.32
61th Meijinsen Qualification Tohoku area 1st round
Date	2023-05-21		Rating	2275.54
Round	Color	Result	Opponent
1	White	Loss	Miyamoto Syunju	2304.56
3	White	Loss	Inoue Fumiya	2536.90
4	White	Win	Gakumazawa Hideaki	2123.76
5	White	Win	Kawaai Hitoshi	2054.90
14th Tohoku Championship
Date	2023-02-19		Rating	2275.10
Round	Color	Result	Opponent
1	Black	Loss	Inoue Fumiya	2538.76
2	White	Win	Kawaai Hitoshi	2063.89
3	White	Draw	Miyamoto Syunju	2281.08
4	Black	Win	Gakumazawa Hideaki	2121.15
5	White	Loss	Oomura Shu	2371.06
23 Kanto Renju Emperor Tournament Tohoku area 1st round
Date	2022-12-18		Rating	2274.91
Round	Color	Result	Opponent
1	White	Draw	Miyamoto Syunju	2260.39
2	Black	Win	Miyamoto Syunju	2260.39
3	Black	Win	Miyamoto Syunju	2260.39
4	White	Win	Miyamoto Syunju	2260.39
60th Meijinsen Qualification Tohoku area 1st round
Date	2022-05-29		Rating	2242.36
Round	Color	Result	Opponent
1	White	Loss	Miyamoto Syunju	2271.29
2	White	Win	Miyamoto Syunju	2271.29
3	White	Loss	Miyamoto Syunju	2271.29
4	White	Loss	Miyamoto Syunju	2271.29
13th Tohoku Championship
Date	2021-12-12		Rating	2230.98
Round	Color	Result	Opponent
1	White	Win	Maruta Hiroki	2263.54
2	Black	Loss	Inoue Fumiya	2523.39
3	Black	Loss	Fujita Maiko	2386.56
4	White	Loss	Ishitani Shin-ichi	2343.54
22nd Kanto Renju Emperor Tournament Tohoku area 1st round
Date	2021-11-14		Rating	2229.84
Round	Color	Result	Opponent
3	White	Loss	Shimura Hiroki	2104.97
4	White	Draw	Shimura Hiroki	2104.97
59th Meijinsen Qualification Tohoku area 1st round
Date	2021-05-16		Rating	2239.52
Round	Color	Result	Opponent
1	Black	Win	Miyamoto Syunju	2251.04
2	White	Win	Miyamoto Syunju	2251.04
3	White	Loss	Miyamoto Syunju	2251.04
4	Black	Win	Miyamoto Syunju	2251.04
21 Renju Emperor Tournament Tohoku area 1st round
Date	2020-11-08		Rating	2227.17
Round	Color	Result	Opponent
1	White	Loss	Miyamoto Syunju	2275.70
2	White	Loss	Nagasoe Hiroki	2627.89
4	Black	Loss	Nagasoe Hiroki	2627.89
6	White	Loss	Miyamoto Syunju	2275.70
58 Meijinsen Qualification Tohoku area 1st round
Date	2020-07-05		Rating	2233.53
Round	Color	Result	Opponent
2	Black	Loss	Takahashi Hisashi	2678.13
2	White	Loss	Miyamoto Syunju	2283.34
5	Black	Loss	Takahashi Hisashi	2678.13
6	Black	Win	Miyamoto Syunju	2283.34
20 Renju Emperor Tournament Tohoku area 1st round
Date	2019-11-17		Rating	2245.23
Round	Color	Result	Opponent
1	White	Win	Miyamoto Syunju	2304.03
2	Black	Win	Hirono Masakazu	2052.43
4	White	Win	Hirono Masakazu	2052.43
5	Black	Loss	Miyamoto Syunju	2304.03
ex	White	Loss	Miyamoto Syunju	2304.03
11th Tohoku Championship
Date	2019-10-06		Rating	2246.20
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2731.32
2	Black	Loss	Hirono Masakazu	2058.34
3	White	Loss	Gakumazawa Hideaki	2145.07
4	Black	Loss	Miyamoto Syunju	2299.85
5	White	Win	Ishitani Shin-ichi	2384.29
57 Meijinsen Qualification East Japan area 2nd round
Date	2019-06-23		Rating	2262.41
Round	Color	Result	Opponent
1	Black	Win	Maruta Koji	2147.17
2	White	Loss	Inoue Fumiya	2430.92
3	Black	Loss	Ono Takayuki	2404.18
4	White	Loss	Koyama Jun	2614.61
5	Black	Win	Maruta Hiroki	2191.69
57 Meijinsen Qualification Tohoku area 1st round
Date	2019-04-07		Rating	2273.93
Round	Color	Result	Opponent
2	Black	Win	Gakumazawa Hideaki	2148.73
3	White	Win	Miyamoto Syunju	2277.56
5	Black	Win	Gakumazawa Hideaki	2148.73
6	Black	Draw	Miyamoto Syunju	2277.56
14th All Japan Championship
Date	2019-03-31		Rating	2274.07
Round	Color	Result	Opponent
1	White	Loss	Kamiya Shunsuke	2817.96
2	White	Loss	Ishitani Shin-ichi	2400.99
3	Black	Loss	Ono Takayuki	2402.49
4	White	Loss	Miyamoto Syunju	2277.20
5	Black	Win	Maruta Hiroki	2193.56
6	Black	Draw	Chigira Makoto	2094.75
19 Renju Emperor Tournament Tohoku area 1st round
Date	2018-10-07		Rating	2297.77
Round	Color	Result	Opponent
1	Black	Win	Miyamoto Syunju	2271.04
2	White	Loss	Miyamoto Syunju	2271.04
3	Black	Loss	Miyamoto Syunju	2271.04
10th Tohoku Championship
Date	2018-09-09		Rating	2303.48
Round	Color	Result	Opponent
2	Black	Win	Hirono Masakazu	2069.17
3	Black	Draw	Miyamoto Syunju	2267.94
4	Black	Win	Demachi Koichiro	1926.87
5	White	Loss	Okabe Hiroshi	2706.67
13 Middle-dan Players Tournament
Date	2018-08-12		Rating	2308.66
Round	Color	Result	Opponent
1	Black	Win	Maruta Koji	2120.57
3	Black	Win	Miyamoto Syunju	2266.90
4	Black	Win	Maruta Koji	2120.57
6	Black	Win	Miyamoto Syunju	2266.90
56 Meijinsen Qualification East Japan area 2nd round
Date	2018-06-25		Rating	2310.15
Round	Color	Result	Opponent
1	Black	Loss	Koyama Jun	2581.93
2	Black	Win	Ono Takayuki	2395.45
3	Black	Loss	Sato Kiyotomi	2447.09
56 Meijinsen Qualification Tohoku area 1st round
Date	2018-04-15		Rating	2311.29
Round	Color	Result	Opponent
1	White	Win	Miyamoto Syunju	2259.95
3	Black	Loss	Gakumazawa Hideaki	2195.30
5	White	Win	Gakumazawa Hideaki	2195.30
6	Black	Win	Miyamoto Syunju	2259.95
18 Kanto Renju Emperor Tournament 2nd round
Date	2017-12-17		Rating	2306.18
Round	Color	Result	Opponent
1	White	Loss	Nakamura Shigeru	2964.41
2	Black	Loss	Okabe Hiroshi	2723.90
3	Black	Draw	Miyamoto Syunju	2276.45
4	Black	Win	Sato Kiyotomi	2440.52
5	Black	Loss	Koyama Jun	2590.85
18 Kanto Renju Emperor Tournament 1st round
Date	2017-11-01		Rating	2302.30
Round	Color	Result	Opponent
1	Black	Win	Tomosue Takahito	1547.04
2	White	Win	Sato Kiyotomi	2445.97
3	White	Loss	Okabe Hiroshi	2725.37
4	Black	Loss	Koyama Jun	2600.24
34 Aomori Championship
Date	2017-07-02		Rating	2285.54
Round	Color	Result	Opponent
1	Black	Loss	Tanno Yoshitaka	2144.05
2	White	Loss	Miyamoto Syunju	2275.54
3	Black	Loss	Gakumazawa Hideaki	2216.40
4	Black	Win	Koseki Kenshou	1654.32
5	White	Win	Yamamoto Harue	1635.47
55 Meijinsen Qualification Tohoku area 1st round
Date	2017-04-09		Rating	2290.40
Round	Color	Result	Opponent
2	Black	Draw	Miyamoto Syunju	2259.69
3	Black	Win	Gakumazawa Hideaki	2210.63
4	White	Win	Gakumazawa Hideaki	2210.63
6	White	Loss	Miyamoto Syunju	2259.69
12th All Japan Championship
Date	2017-03-26		Rating	2290.93
Round	Color	Result	Opponent
1	White	Loss	Koyama Jun	2611.28
2	Black	Win	Miyamoto Syunju	2255.97
3	Black	Loss	Iio Yoshihiro	2550.63
4	White	Win	Maruta Hiroki	2114.47
5	White	Win	Sato Kiyotomi	2482.93
6	Black	Loss	Tamada Yoichi	2554.28
54 Meijinsen Qualification East Japan area 2nd round
Date	2016-06-12		Rating	2270.76
Round	Color	Result	Opponent
1	Black	Loss	Koyama Jun	2633.72
2	White	Loss	Tamada Yoichi	2573.09
3	White	Loss	Okabe Hiroshi	2728.63
4	White	Draw	Kamiya Shunsuke	2731.62
5	Black	Loss	Mitsumori Masao	2357.76
54 Meijinsen Qualification Tohoku area 1st round
Date	2016-04-10		Rating	2268.21
Round	Color	Result	Opponent
1	Black	Draw	Gakumazawa Hideaki	2211.23
2	Black	Win	Miura Hitoshi	1776.82
3	Black	Draw	Miyamoto Syunju	2160.57
19 Mikami Cup
Date	2016-03-13		Rating	2267.63
Round	Color	Result	Opponent
S1	Black	Loss	Okabe Hiroshi	2724.27
S3	Black	Loss	Koyama Jun	2635.96
S4	White	Draw	Ono Takayuki	2332.04
S5	White	Loss	Kamiya Shunsuke	2727.97
12th Middle-dan Players Tournament
Date	2015-07-20		Rating	2266.61
Round	Color	Result	Opponent
1	White	Win	Kubo Izumi	2086.19
2	Black	Win	Miyagawa Junzo	2249.01
3	Black	Loss	Tachi Masaya	2487.41
4	Black	Win	Hata Masayuki	2188.75
5	Black	Loss	Mano Yoshihisa	2365.21
6	Black	Draw	Kashihara Akihiko	2334.25
53 Meijinsen Qualification East Japan area 1st round
Date	2015-05-10		Rating	2261.25
Round	Color	Result	Opponent
1	White	Loss	Iwano Fumio	2249.22
2	Black	Win	Tanizaki Ryusuke	2199.36
3	White	Loss	Sato Kiyotomi	2507.54
4	White	Draw	Nakamura Souta	2295.84
7th Tohoku Championship
Date	2015-04-12		Rating	2259.92
Round	Color	Result	Opponent
1	White	Win	Miura Hitoshi	1792.63
2	Black	Loss	Okabe Hiroshi	2739.87
3	Black	Win	Hirono Masakazu	1988.24
4	White	Loss	Kobayashi Koichi	2296.33
5	Black	Win	Miyamoto Syunju	2058.95
Sendai Memorial Cup
Date	2015-03-01		Rating	2258.06
Round	Color	Result	Opponent
1	Black	Loss	Kobayashi Koichi	2295.51
2	Black	Win	Miura Hitoshi	1795.10
4	White	Win	Hirono Masakazu	1987.45
5	Black	Win	Seiryu Masanori	1989.23
7	White	Win	Miyamoto Syunju	2049.04
6th Tohoku Championship
Date	2014-04-20		Rating	2237.18
Round	Color	Result	Opponent
1	Black	Win	Gakumazawa Hideaki	2164.73
2	White	Win	Miura Hitoshi	1803.61
4	Black	Loss	Kobayashi Koichi	2241.66
5	White	Win	Hirono Masakazu	1989.20
6	White	Loss	Okabe Hiroshi	2759.68
7	Black	Loss	Sato Kiyotomi	2470.85
5th Tohoku Championship
Date	2013-04-14		Rating	2215.89
Round	Color	Result	Opponent
1	White	Win	Hirono Masakazu	2010.43
2	White	Loss	Ishitani Shin-ichi	2379.97
3	White	Loss	Okabe Hiroshi	2742.27
4	White	Loss	Nakamura Shigeru	2867.41
5	Black	Win	Gakumazawa Hideaki	2131.93
4th Tohoku Championship
Date	2012-04-08		Rating	2183.60
Round	Color	Result	Opponent
1	Black	Win	Suzuki Junichiro	1938.43
2	Black	Loss	Kudomi Takahiro	2430.48
3	White	Loss	Miura Hitoshi	1918.25
4	Black	Win	Maruta Koji	2126.51
5	Black	Loss	Sato Kiyotomi	2400.60
5th All Japan Championship
Date	2010-03-21		Rating	2170.38
Round	Color	Result	Opponent
1	Black	Loss	Isobe Taizan	2394.64
2	Black	Draw	Kobayashi Koichi	2132.98
3	Black	Loss	Kudomi Takahiro	2376.80
4	White	Loss	Maruta Koji	2114.43
5	White	Win	Kubo Izumi	2105.70
6	Black	Draw	Suzuki Junichiro	1919.26
2nd Tohoku Championship
Date	2010-03-14		Rating	2171.02
Round	Color	Result	Opponent
1	Black	Win	Miura Hitoshi	1926.74
2	White	Win	Kobayashi Koichi	2132.61
3	White	Draw	Kato Yasuhiro	2099.38
4	White	Loss	Tamada Yoichi	2447.41
5	White	Loss	Sato Kiyotomi	2419.30
World Championship 2001, BT
Date	2001-08-12		Rating	2396.57
Round	Color	Result	Opponent
1	White	Win	Miyagawa Sou	1982.47
2	White	Win	Lunkin Vitaly	2319.14
3	White	Loss	Hasegawa Kazuto	2574.71
4	Black	Win	Tadokoro Hosai	1999.70
5	Black	Win	Kaufman Victor	2094.61
6	Black	Win	Tatsutomi Hiroyuki	2279.37
7	Black	Win	Iio Yoshihiro	2419.39
8	White	Draw	Eibatov Nizami	2361.48
World Championship 2001, QT
Date	2001-08-06		Rating	2396.16
Round	Color	Result	Opponent
1	White	Win	Sunagawa Shouki	2206.85
2	Black	Win	Lents Johann	2361.72
3	White	Draw	Okabe Hiroshi	2368.39
4	White	Loss	Gardström Petter	2517.47
5	White	Loss	Nara Hideki	2543.76
6	White	Win	Park Jeong Ho	2305.52
7	Black	Loss	Eibatov Nizami	2361.12
Japan WC Qualification tournament 2001
Date	2001-03-24		Rating	2388.98
Round	Color	Result	Opponent
1	Black	Win	Kuramoto Hideharu	1786.75
2	Black	Loss	Nara Hideki	2558.93
3	White	Win	Hasegawa Kazuto	2564.77
4	White	Win	Sunagawa Shouki	2223.72
5	Black	Loss	Ishitani Shin-ichi	2423.99
6	White	Win	Miyagawa Junzo	2208.36
7	White	Win	Koiso Shigemasa	2148.91
38th Meijinsen Tournament
Date	2000-10-01		Rating	2364.64
Round	Color	Result	Opponent
1	White	Loss	Nishizono Norio	2359.42
2	White	Win	Maruyama Yasushi	2245.02
3	Black	Loss	Kudomi Takahiro	2367.06
4	Black	Loss	Nara Hideki	2580.41
5	White	Loss	Hasegawa Kazuto	2567.50
6	Black	Win	Fujinami Hisao	2269.97
7	White	Draw	Hayakawa Yoshimi	2429.86
8	White	Win	Arai Yutaka	2191.80
9	White	Loss	Iio Yoshihiro	2367.09
38th Meijinsen Qualification: East Japan 2nd round
Date	2000-07-02		Rating	2360.98
Round	Color	Result	Opponent
	White	Loss	Isobe Taizan	2457.08
	Black	Win	Kudomi Takahiro	2359.46
	Black	Win	Mitsumori Masao	2293.29
38th Meijinsen Qualification: East Japan 1st round
Date	2000-06-04		Rating	2358.19
Round	Color	Result	Opponent
1	White	Loss	Isobe Taizan	2456.95
2	Black	Win	Hara Masao	2121.64
3	Black	Win	Kubo Izumi	2175.10
4	Black	Loss	Mitsumori Masao	2294.48
Kanto Championship
Date	2000-05-14		Rating	2357.24
Round	Color	Result	Opponent
1	Black	Win	Hara Masao	2121.95
2	Black	Win	Horiuchi Kazuki	1758.56
3	Black	Win	Mitsumori Masao	2296.63
4	Black	Draw	Sunagawa Shouki	2216.47