Kusajima Masato (草島真人)

Place: Miyagi, Japan

Rating: 2231.52, Std: 106.80, Rank: 400

First game: 2000-05-14, Last game: 2026-03-15

Top rating: 2394.86 (2001-08-12)

Games: 231, Wins: 100, Draws: 29, Losses: 102

Gy1: 9, Gy2: 19, Gy5: 55

17th Tohoku Championshp
Date	2026-03-15		Rating	2231.52
Round	Color	Result	Opponent
1	Black	Loss	Miyamoto Syunju	2353.84
2	Black	Win	Hirono Masakazu	1949.10
3	White	Loss	Okabe Hiroshi	2768.68
4	Black	Loss	Yoshikawa Tomoki	2492.58
5	White	Win	Ishitani Shin-ichi	2348.03
63rd Meijinsen Qualification Tohoku area 1st round
Date	2025-05-18		Rating	2222.51
Round	Color	Result	Opponent
1	Black	Loss	Miyamoto Syunju	2316.63
3	White	Draw	Shimura Hiroki	2252.27
4	White	Draw	Kawaai Hitoshi	2062.16
5	White	Draw	Gakumazawa Hideaki	2124.17
16th Tohoku Championship
Date	2025-03-09		Rating	2225.68
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2744.02
2	Black	Draw	Kawaai Hitoshi	2063.76
3	Black	Win	Tamura Syougo	1764.69
4	White	Draw	Gakumazawa Hideaki	2122.08
5	Black	Loss	Miyamoto Syunju	2316.16
62nd Meijinsen Qualification Tohoku area 1st round
Date	2024-05-19		Rating	2262.47
Round	Color	Result	Opponent
1	White	Loss	Miyamoto Syunju	2364.90
2	White	Draw	Fujita Maiko	2435.30
3	Black	Win	Kawaai Hitoshi	2032.82
4	White	Draw	Gakumazawa Hideaki	2119.21
5	White	Win	Shimura Hiroki	2169.08
15th Tohoku Championship
Date	2024-03-31		Rating	2267.20
Round	Color	Result	Opponent
1	White	Win	Fujita Maiko	2427.36
2	White	Loss	Ishitani Shin-ichi	2423.49
3	White	Win	Gakumazawa Hideaki	2112.25
4	White	Loss	Miyamoto Syunju	2368.13
5	White	Win	Kawaai Hitoshi	2035.61
24 Kanto Renju Emperor Tournament Tohoku area 1st round
Date	2023-11-19		Rating	2271.66
Round	Color	Result	Opponent
1	White	Win	Shimura Hiroki	2159.80
3	White	Win	Miyamoto Syunju	2338.59
4	White	Draw	Shimura Hiroki	2159.80
6	Black	Loss	Miyamoto Syunju	2338.59
61th Meijinsen Qualification Tohoku area 1st round
Date	2023-05-21		Rating	2270.10
Round	Color	Result	Opponent
1	White	Loss	Miyamoto Syunju	2303.94
3	White	Loss	Inoue Fumiya	2537.92
4	White	Win	Gakumazawa Hideaki	2115.42
5	White	Win	Kawaai Hitoshi	2052.04
14th Tohoku Championship
Date	2023-02-19		Rating	2270.49
Round	Color	Result	Opponent
1	Black	Loss	Inoue Fumiya	2539.80
2	White	Win	Kawaai Hitoshi	2061.64
3	White	Draw	Miyamoto Syunju	2280.43
4	Black	Win	Gakumazawa Hideaki	2113.45
5	White	Loss	Oomura Shu	2373.67
23 Kanto Renju Emperor Tournament Tohoku area 1st round
Date	2022-12-18		Rating	2270.73
Round	Color	Result	Opponent
1	White	Draw	Miyamoto Syunju	2259.76
2	Black	Win	Miyamoto Syunju	2259.76
3	Black	Win	Miyamoto Syunju	2259.76
4	White	Win	Miyamoto Syunju	2259.76
60th Meijinsen Qualification Tohoku area 1st round
Date	2022-05-29		Rating	2239.12
Round	Color	Result	Opponent
1	White	Loss	Miyamoto Syunju	2270.50
2	White	Win	Miyamoto Syunju	2270.50
3	White	Loss	Miyamoto Syunju	2270.50
4	White	Loss	Miyamoto Syunju	2270.50
13th Tohoku Championship
Date	2021-12-12		Rating	2228.25
Round	Color	Result	Opponent
1	White	Win	Maruta Hiroki	2264.01
2	Black	Loss	Inoue Fumiya	2524.40
3	Black	Loss	Fujita Maiko	2387.51
4	White	Loss	Ishitani Shin-ichi	2343.70
22nd Kanto Renju Emperor Tournament Tohoku area 1st round
Date	2021-11-14		Rating	2227.15
Round	Color	Result	Opponent
3	White	Loss	Shimura Hiroki	2105.15
4	White	Draw	Shimura Hiroki	2105.15
59th Meijinsen Qualification Tohoku area 1st round
Date	2021-05-16		Rating	2236.92
Round	Color	Result	Opponent
1	Black	Win	Miyamoto Syunju	2249.33
2	White	Win	Miyamoto Syunju	2249.33
3	White	Loss	Miyamoto Syunju	2249.33
4	Black	Win	Miyamoto Syunju	2249.33
21 Renju Emperor Tournament Tohoku area 1st round
Date	2020-11-08		Rating	2224.57
Round	Color	Result	Opponent
1	White	Loss	Miyamoto Syunju	2273.53
2	White	Loss	Nagasoe Hiroki	2628.39
4	Black	Loss	Nagasoe Hiroki	2628.39
6	White	Loss	Miyamoto Syunju	2273.53
58 Meijinsen Qualification Tohoku area 1st round
Date	2020-07-05		Rating	2230.87
Round	Color	Result	Opponent
2	Black	Loss	Takahashi Hisashi	2640.85
2	White	Loss	Miyamoto Syunju	2280.84
5	Black	Loss	Takahashi Hisashi	2640.85
6	Black	Win	Miyamoto Syunju	2280.84
20 Renju Emperor Tournament Tohoku area 1st round
Date	2019-11-17		Rating	2243.19
Round	Color	Result	Opponent
1	White	Win	Miyamoto Syunju	2301.85
2	Black	Win	Hirono Masakazu	2050.55
4	White	Win	Hirono Masakazu	2050.55
5	Black	Loss	Miyamoto Syunju	2301.85
ex	White	Loss	Miyamoto Syunju	2301.85
11th Tohoku Championship
Date	2019-10-06		Rating	2244.27
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2731.86
2	Black	Loss	Hirono Masakazu	2056.49
3	White	Loss	Gakumazawa Hideaki	2141.62
4	Black	Loss	Miyamoto Syunju	2297.73
5	White	Win	Ishitani Shin-ichi	2384.29
57 Meijinsen Qualification East Japan area 2nd round
Date	2019-06-23		Rating	2260.75
Round	Color	Result	Opponent
1	Black	Win	Maruta Koji	2147.51
2	White	Loss	Inoue Fumiya	2431.05
3	Black	Loss	Ono Takayuki	2404.28
4	White	Loss	Koyama Jun	2614.99
5	Black	Win	Maruta Hiroki	2191.74
57 Meijinsen Qualification Tohoku area 1st round
Date	2019-04-07		Rating	2272.39
Round	Color	Result	Opponent
2	Black	Win	Gakumazawa Hideaki	2145.71
3	White	Win	Miyamoto Syunju	2275.72
5	Black	Win	Gakumazawa Hideaki	2145.71
6	Black	Draw	Miyamoto Syunju	2275.72
14th All Japan Championship
Date	2019-03-31		Rating	2272.54
Round	Color	Result	Opponent
1	White	Loss	Kamiya Shunsuke	2817.41
2	White	Loss	Ishitani Shin-ichi	2400.98
3	Black	Loss	Ono Takayuki	2402.55
4	White	Loss	Miyamoto Syunju	2275.37
5	Black	Win	Maruta Hiroki	2193.56
6	Black	Draw	Chigira Makoto	2094.41
19 Renju Emperor Tournament Tohoku area 1st round
Date	2018-10-07		Rating	2296.45
Round	Color	Result	Opponent
1	Black	Win	Miyamoto Syunju	2269.39
2	White	Loss	Miyamoto Syunju	2269.39
3	Black	Loss	Miyamoto Syunju	2269.39
10th Tohoku Championship
Date	2018-09-09		Rating	2302.19
Round	Color	Result	Opponent
2	Black	Win	Hirono Masakazu	2067.68
3	Black	Draw	Miyamoto Syunju	2266.34
4	Black	Win	Demachi Koichiro	1926.78
5	White	Loss	Okabe Hiroshi	2706.85
13 Middle-dan Players Tournament
Date	2018-08-12		Rating	2307.41
Round	Color	Result	Opponent
1	Black	Win	Maruta Koji	2120.65
3	Black	Win	Miyamoto Syunju	2265.34
4	Black	Win	Maruta Koji	2120.65
6	Black	Win	Miyamoto Syunju	2265.34
56 Meijinsen Qualification East Japan area 2nd round
Date	2018-06-25		Rating	2308.95
Round	Color	Result	Opponent
1	Black	Loss	Koyama Jun	2582.15
2	Black	Win	Ono Takayuki	2395.47
3	Black	Loss	Sato Kiyotomi	2447.02
56 Meijinsen Qualification Tohoku area 1st round
Date	2018-04-15		Rating	2310.13
Round	Color	Result	Opponent
1	White	Win	Miyamoto Syunju	2258.51
3	Black	Loss	Gakumazawa Hideaki	2192.86
5	White	Win	Gakumazawa Hideaki	2192.86
6	Black	Win	Miyamoto Syunju	2258.51
18 Kanto Renju Emperor Tournament 2nd round
Date	2017-12-17		Rating	2305.14
Round	Color	Result	Opponent
1	White	Loss	Nakamura Shigeru	2964.51
2	Black	Loss	Okabe Hiroshi	2724.06
3	Black	Draw	Miyamoto Syunju	2275.14
4	Black	Win	Sato Kiyotomi	2440.43
5	Black	Loss	Koyama Jun	2591.02
18 Kanto Renju Emperor Tournament 1st round
Date	2017-11-01		Rating	2301.29
Round	Color	Result	Opponent
1	Black	Win	Tomosue Takahito	1547.05
2	White	Win	Sato Kiyotomi	2445.88
3	White	Loss	Okabe Hiroshi	2725.53
4	Black	Loss	Koyama Jun	2600.42
34 Aomori Championship
Date	2017-07-02		Rating	2284.59
Round	Color	Result	Opponent
1	Black	Loss	Tanno Yoshitaka	2141.32
2	White	Loss	Miyamoto Syunju	2274.35
3	Black	Loss	Gakumazawa Hideaki	2214.35
4	Black	Win	Koseki Kenshou	1650.63
5	White	Win	Yamamoto Harue	1633.96
55 Meijinsen Qualification Tohoku area 1st round
Date	2017-04-09		Rating	2289.54
Round	Color	Result	Opponent
2	Black	Draw	Miyamoto Syunju	2258.56
3	Black	Win	Gakumazawa Hideaki	2208.72
4	White	Win	Gakumazawa Hideaki	2208.72
6	White	Loss	Miyamoto Syunju	2258.56
12th All Japan Championship
Date	2017-03-26		Rating	2290.08
Round	Color	Result	Opponent
1	White	Loss	Koyama Jun	2611.44
2	Black	Win	Miyamoto Syunju	2254.86
3	Black	Loss	Iio Yoshihiro	2550.67
4	White	Win	Maruta Hiroki	2114.45
5	White	Win	Sato Kiyotomi	2482.87
6	Black	Loss	Tamada Yoichi	2554.34
54 Meijinsen Qualification East Japan area 2nd round
Date	2016-06-12		Rating	2270.18
Round	Color	Result	Opponent
1	Black	Loss	Koyama Jun	2633.89
2	White	Loss	Tamada Yoichi	2573.19
3	White	Loss	Okabe Hiroshi	2728.76
4	White	Draw	Kamiya Shunsuke	2731.65
5	Black	Loss	Mitsumori Masao	2357.85
54 Meijinsen Qualification Tohoku area 1st round
Date	2016-04-10		Rating	2267.68
Round	Color	Result	Opponent
1	Black	Draw	Gakumazawa Hideaki	2209.77
2	Black	Win	Miura Hitoshi	1775.92
3	Black	Draw	Miyamoto Syunju	2159.47
19 Mikami Cup
Date	2016-03-13		Rating	2267.13
Round	Color	Result	Opponent
S1	Black	Loss	Okabe Hiroshi	2724.40
S3	Black	Loss	Koyama Jun	2636.14
S4	White	Draw	Ono Takayuki	2332.32
S5	White	Loss	Kamiya Shunsuke	2728.01
12th Middle-dan Players Tournament
Date	2015-07-20		Rating	2266.28
Round	Color	Result	Opponent
1	White	Win	Kubo Izumi	2086.33
2	Black	Win	Miyagawa Junzo	2249.31
3	Black	Loss	Tachi Masaya	2487.67
4	Black	Win	Hata Masayuki	2188.91
5	Black	Loss	Mano Yoshihisa	2365.45
6	Black	Draw	Kashihara Akihiko	2334.43
53 Meijinsen Qualification East Japan area 1st round
Date	2015-05-10		Rating	2260.94
Round	Color	Result	Opponent
1	White	Loss	Iwano Fumio	2249.41
2	Black	Win	Tanizaki Ryusuke	2199.17
3	White	Loss	Sato Kiyotomi	2507.42
4	White	Draw	Nakamura Souta	2295.96
7th Tohoku Championship
Date	2015-04-12		Rating	2259.61
Round	Color	Result	Opponent
1	White	Win	Miura Hitoshi	1791.82
2	Black	Loss	Okabe Hiroshi	2740.00
3	Black	Win	Hirono Masakazu	1987.61
4	White	Loss	Kobayashi Koichi	2296.09
5	Black	Win	Miyamoto Syunju	2057.93
Sendai Memorial Cup
Date	2015-03-01		Rating	2257.76
Round	Color	Result	Opponent
1	Black	Loss	Kobayashi Koichi	2295.31
2	Black	Win	Miura Hitoshi	1794.33
4	White	Win	Hirono Masakazu	1986.85
5	Black	Win	Seiryu Masanori	1988.88
7	White	Win	Miyamoto Syunju	2048.05
6th Tohoku Championship
Date	2014-04-20		Rating	2236.97
Round	Color	Result	Opponent
1	Black	Win	Gakumazawa Hideaki	2164.11
2	White	Win	Miura Hitoshi	1803.05
4	Black	Loss	Kobayashi Koichi	2241.78
5	White	Win	Hirono Masakazu	1988.83
6	White	Loss	Okabe Hiroshi	2759.71
7	Black	Loss	Sato Kiyotomi	2471.05
5th Tohoku Championship
Date	2013-04-14		Rating	2215.80
Round	Color	Result	Opponent
1	White	Win	Hirono Masakazu	2010.31
2	White	Loss	Ishitani Shin-ichi	2380.21
3	White	Loss	Okabe Hiroshi	2740.75
4	White	Loss	Nakamura Shigeru	2867.43
5	Black	Win	Gakumazawa Hideaki	2131.67
4th Tohoku Championship
Date	2012-04-08		Rating	2183.63
Round	Color	Result	Opponent
1	Black	Win	Suzuki Junichiro	1938.62
2	Black	Loss	Kudomi Takahiro	2430.81
3	White	Loss	Miura Hitoshi	1918.11
4	Black	Win	Maruta Koji	2127.19
5	Black	Loss	Sato Kiyotomi	2401.02
5th All Japan Championship
Date	2010-03-21		Rating	2170.50
Round	Color	Result	Opponent
1	Black	Loss	Isobe Taizan	2395.73
2	Black	Draw	Kobayashi Koichi	2133.53
3	Black	Loss	Kudomi Takahiro	2377.87
4	White	Loss	Maruta Koji	2115.07
5	White	Win	Kubo Izumi	2106.63
6	Black	Draw	Suzuki Junichiro	1919.18
2nd Tohoku Championship
Date	2010-03-14		Rating	2171.14
Round	Color	Result	Opponent
1	Black	Win	Miura Hitoshi	1926.79
2	White	Win	Kobayashi Koichi	2133.16
3	White	Draw	Kato Yasuhiro	2100.19
4	White	Loss	Tamada Yoichi	2448.15
5	White	Loss	Sato Kiyotomi	2419.85
World Championship 2001, BT
Date	2001-08-12		Rating	2394.86
Round	Color	Result	Opponent
1	White	Win	Miyagawa Sou	1982.82
2	White	Win	Lunkin Vitaly	2317.58
3	White	Loss	Hasegawa Kazuto	2575.19
4	Black	Win	Tadokoro Hosai	2003.62
5	Black	Win	Kaufman Victor	2096.65
6	Black	Win	Tatsutomi Hiroyuki	2229.85
7	Black	Win	Iio Yoshihiro	2417.17
8	White	Draw	Eibatov Nizami	2362.80
World Championship 2001, QT
Date	2001-08-06		Rating	2394.47
Round	Color	Result	Opponent
1	White	Win	Sunagawa Shouki	2208.21
2	Black	Win	Lents Johann	2361.71
3	White	Draw	Okabe Hiroshi	2370.07
4	White	Loss	Gardström Petter	2516.89
5	White	Loss	Nara Hideki	2543.50
6	White	Win	Park Jeong Ho	2306.92
7	Black	Loss	Eibatov Nizami	2362.46
Japan WC Qualification tournament
Date	2001-03-24		Rating	2387.57
Round	Color	Result	Opponent
1	Black	Win	Kuramoto Hideharu	1786.93
2	White	Loss	Nara Hideki	2558.78
3	White	Win	Hasegawa Kazuto	2565.05
4	Black	Win	Sunagawa Shouki	2224.83
5	White	Loss	Ishitani Shin-ichi	2418.63
6	Black	Win	Miyagawa Junzo	2210.46
7	Black	Win	Koiso Shigemasa	2172.59
38th Meijinsen Tournament
Date	2000-10-01		Rating	2363.02
Round	Color	Result	Opponent
1	White	Loss	Nishizono Norio	2357.20
2	White	Win	Maruyama Yasushi	2241.51
3	Black	Loss	Kudomi Takahiro	2365.22
4	Black	Loss	Nara Hideki	2580.28
5	White	Loss	Hasegawa Kazuto	2567.60
6	Black	Win	Fujinami Hisao	2244.69
7	White	Draw	Hayakawa Yoshimi	2429.20
8	White	Win	Arai Yutaka	2189.71
9	White	Loss	Iio Yoshihiro	2364.78
38th Meijinsen Qualification: East Japan 2nd round
Date	2000-07-02		Rating	2359.57
Round	Color	Result	Opponent
	White	Loss	Isobe Taizan	2457.18
	Black	Win	Kudomi Takahiro	2357.77
	Black	Win	Mitsumori Masao	2294.05
38th Meijinsen Qualification: East Japan 1st round
Date	2000-06-04		Rating	2356.83
Round	Color	Result	Opponent
1	White	Loss	Isobe Taizan	2457.00
2	Black	Win	Hara Masao	2121.83
3	Black	Win	Kubo Izumi	2175.18
4	Black	Loss	Mitsumori Masao	2295.29
Kanto Championship
Date	2000-05-14		Rating	2355.90
Round	Color	Result	Opponent
1	Black	Win	Hara Masao	2122.14
2	Black	Win	Horiuchi Kazuki	1758.64
3	Black	Win	Mitsumori Masao	2297.49
4	Black	Draw	Sunagawa Shouki	2217.21