Kusajima Masato (草島真人)

Place: Miyagi, Japan

Rating: 2258.65, Std: 92.35, Rank: 376

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

Top rating: 2394.67 (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	2258.65
Round	Color	Result	Opponent
1	Black	Win	Miyamoto Syunju	2347.12
2	White	Win	Kawaai Hitoshi	2034.55
3	Black	Loss	Gakumazawa Hideaki	2158.74
4	White	Win	Miyamoto Syunju	2347.12
5	Black	Loss	Kawaai Hitoshi	2034.55
6	Black	Win	Gakumazawa Hideaki	2158.74
17th Tohoku Championshp
Date	2026-03-15		Rating	2255.89
Round	Color	Result	Opponent
1	Black	Loss	Miyamoto Syunju	2346.63
2	Black	Win	Hirono Masakazu	1953.73
3	White	Loss	Okabe Hiroshi	2767.01
4	Black	Loss	Yoshikawa Tomoki	2515.71
5	White	Win	Ishitani Shin-ichi	2359.12
63rd Meijinsen Qualification Tohoku area 1st round
Date	2025-05-18		Rating	2236.18
Round	Color	Result	Opponent
1	Black	Loss	Miyamoto Syunju	2313.40
3	White	Draw	Shimura Hiroki	2250.25
4	White	Draw	Kawaai Hitoshi	2053.90
5	White	Draw	Gakumazawa Hideaki	2134.09
16th Tohoku Championship
Date	2025-03-09		Rating	2237.46
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2740.96
2	Black	Draw	Kawaai Hitoshi	2056.72
3	Black	Win	Tamura Syougo	1765.38
4	White	Draw	Gakumazawa Hideaki	2130.74
5	Black	Loss	Miyamoto Syunju	2313.13
62nd Meijinsen Qualification Tohoku area 1st round
Date	2024-05-19		Rating	2268.02
Round	Color	Result	Opponent
1	White	Loss	Miyamoto Syunju	2362.38
2	White	Draw	Fujita Maiko	2431.64
3	Black	Win	Kawaai Hitoshi	2029.02
4	White	Draw	Gakumazawa Hideaki	2123.53
5	White	Win	Shimura Hiroki	2166.63
15th Tohoku Championship
Date	2024-03-31		Rating	2271.94
Round	Color	Result	Opponent
1	White	Win	Fujita Maiko	2423.93
2	White	Loss	Ishitani Shin-ichi	2420.34
3	White	Win	Gakumazawa Hideaki	2116.16
4	White	Loss	Miyamoto Syunju	2365.63
5	White	Win	Kawaai Hitoshi	2032.11
24 Kanto Renju Emperor Tournament Tohoku area 1st round
Date	2023-11-19		Rating	2274.76
Round	Color	Result	Opponent
1	White	Win	Shimura Hiroki	2157.21
3	White	Win	Miyamoto Syunju	2336.18
4	White	Draw	Shimura Hiroki	2157.21
6	Black	Loss	Miyamoto Syunju	2336.18
61th Meijinsen Qualification Tohoku area 1st round
Date	2023-05-21		Rating	2271.56
Round	Color	Result	Opponent
1	White	Loss	Miyamoto Syunju	2301.45
3	White	Loss	Inoue Fumiya	2534.86
4	White	Win	Gakumazawa Hideaki	2117.61
5	White	Win	Kawaai Hitoshi	2049.49
14th Tohoku Championship
Date	2023-02-19		Rating	2271.25
Round	Color	Result	Opponent
1	Black	Loss	Inoue Fumiya	2536.63
2	White	Win	Kawaai Hitoshi	2059.16
3	White	Draw	Miyamoto Syunju	2277.97
4	Black	Win	Gakumazawa Hideaki	2115.29
5	White	Loss	Oomura Shu	2367.32
23 Kanto Renju Emperor Tournament Tohoku area 1st round
Date	2022-12-18		Rating	2271.15
Round	Color	Result	Opponent
1	White	Draw	Miyamoto Syunju	2257.32
2	Black	Win	Miyamoto Syunju	2257.32
3	Black	Win	Miyamoto Syunju	2257.32
4	White	Win	Miyamoto Syunju	2257.32
60th Meijinsen Qualification Tohoku area 1st round
Date	2022-05-29		Rating	2238.80
Round	Color	Result	Opponent
1	White	Loss	Miyamoto Syunju	2268.23
2	White	Win	Miyamoto Syunju	2268.23
3	White	Loss	Miyamoto Syunju	2268.23
4	White	Loss	Miyamoto Syunju	2268.23
13th Tohoku Championship
Date	2021-12-12		Rating	2227.54
Round	Color	Result	Opponent
1	White	Win	Maruta Hiroki	2261.18
2	Black	Loss	Inoue Fumiya	2521.49
3	Black	Loss	Fujita Maiko	2384.54
4	White	Loss	Ishitani Shin-ichi	2340.85
22nd Kanto Renju Emperor Tournament Tohoku area 1st round
Date	2021-11-14		Rating	2226.40
Round	Color	Result	Opponent
3	White	Loss	Shimura Hiroki	2102.56
4	White	Draw	Shimura Hiroki	2102.56
59th Meijinsen Qualification Tohoku area 1st round
Date	2021-05-16		Rating	2236.03
Round	Color	Result	Opponent
1	Black	Win	Miyamoto Syunju	2247.61
2	White	Win	Miyamoto Syunju	2247.61
3	White	Loss	Miyamoto Syunju	2247.61
4	Black	Win	Miyamoto Syunju	2247.61
21 Renju Emperor Tournament Tohoku area 1st round
Date	2020-11-08		Rating	2223.64
Round	Color	Result	Opponent
1	White	Loss	Miyamoto Syunju	2272.05
2	White	Loss	Nagasoe Hiroki	2626.08
4	Black	Loss	Nagasoe Hiroki	2626.08
6	White	Loss	Miyamoto Syunju	2272.05
58 Meijinsen Qualification Tohoku area 1st round
Date	2020-07-05		Rating	2229.96
Round	Color	Result	Opponent
2	Black	Loss	Takahashi Hisashi	2639.93
2	White	Loss	Miyamoto Syunju	2279.50
5	Black	Loss	Takahashi Hisashi	2639.93
6	Black	Win	Miyamoto Syunju	2279.50
20 Renju Emperor Tournament Tohoku area 1st round
Date	2019-11-17		Rating	2242.32
Round	Color	Result	Opponent
1	White	Win	Miyamoto Syunju	2300.75
2	Black	Win	Hirono Masakazu	2051.04
4	White	Win	Hirono Masakazu	2051.04
5	Black	Loss	Miyamoto Syunju	2300.75
ex	White	Loss	Miyamoto Syunju	2300.75
11th Tohoku Championship
Date	2019-10-06		Rating	2243.41
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2730.26
2	Black	Loss	Hirono Masakazu	2056.93
3	White	Loss	Gakumazawa Hideaki	2141.69
4	Black	Loss	Miyamoto Syunju	2296.67
5	White	Win	Ishitani Shin-ichi	2382.64
57 Meijinsen Qualification East Japan area 2nd round
Date	2019-06-23		Rating	2259.87
Round	Color	Result	Opponent
1	Black	Win	Maruta Koji	2145.58
2	White	Loss	Inoue Fumiya	2429.66
3	Black	Loss	Ono Takayuki	2402.79
4	White	Loss	Koyama Jun	2613.89
5	Black	Win	Maruta Hiroki	2190.21
57 Meijinsen Qualification Tohoku area 1st round
Date	2019-04-07		Rating	2271.53
Round	Color	Result	Opponent
2	Black	Win	Gakumazawa Hideaki	2145.60
3	White	Win	Miyamoto Syunju	2274.76
5	Black	Win	Gakumazawa Hideaki	2145.60
6	Black	Draw	Miyamoto Syunju	2274.76
14th All Japan Championship
Date	2019-03-31		Rating	2271.69
Round	Color	Result	Opponent
1	White	Loss	Kamiya Shunsuke	2816.89
2	White	Loss	Ishitani Shin-ichi	2399.55
3	Black	Loss	Ono Takayuki	2401.16
4	White	Loss	Miyamoto Syunju	2274.41
5	Black	Win	Maruta Hiroki	2192.14
6	Black	Draw	Chigira Makoto	2093.73
19 Renju Emperor Tournament Tohoku area 1st round
Date	2018-10-07		Rating	2295.66
Round	Color	Result	Opponent
1	Black	Win	Miyamoto Syunju	2268.55
2	White	Loss	Miyamoto Syunju	2268.55
3	Black	Loss	Miyamoto Syunju	2268.55
10th Tohoku Championship
Date	2018-09-09		Rating	2301.41
Round	Color	Result	Opponent
2	Black	Win	Hirono Masakazu	2067.88
3	Black	Draw	Miyamoto Syunju	2265.51
4	Black	Win	Demachi Koichiro	1925.91
5	White	Loss	Okabe Hiroshi	2705.85
13 Middle-dan Players Tournament
Date	2018-08-12		Rating	2306.64
Round	Color	Result	Opponent
1	Black	Win	Maruta Koji	2119.24
3	Black	Win	Miyamoto Syunju	2264.52
4	Black	Win	Maruta Koji	2119.24
6	Black	Win	Miyamoto Syunju	2264.52
56 Meijinsen Qualification East Japan area 2nd round
Date	2018-06-25		Rating	2308.20
Round	Color	Result	Opponent
1	Black	Loss	Koyama Jun	2581.29
2	Black	Win	Ono Takayuki	2394.39
3	Black	Loss	Sato Kiyotomi	2446.23
56 Meijinsen Qualification Tohoku area 1st round
Date	2018-04-15		Rating	2309.42
Round	Color	Result	Opponent
1	White	Win	Miyamoto Syunju	2257.76
3	Black	Loss	Gakumazawa Hideaki	2192.55
5	White	Win	Gakumazawa Hideaki	2192.55
6	Black	Win	Miyamoto Syunju	2257.76
18 Kanto Renju Emperor Tournament 2nd round
Date	2017-12-17		Rating	2304.48
Round	Color	Result	Opponent
1	White	Loss	Nakamura Shigeru	2963.80
2	Black	Loss	Okabe Hiroshi	2723.29
3	Black	Draw	Miyamoto Syunju	2274.45
4	Black	Win	Sato Kiyotomi	2439.71
5	Black	Loss	Koyama Jun	2590.29
18 Kanto Renju Emperor Tournament 1st round
Date	2017-11-01		Rating	2300.65
Round	Color	Result	Opponent
1	Black	Win	Tomosue Takahito	1546.46
2	White	Win	Sato Kiyotomi	2445.18
3	White	Loss	Okabe Hiroshi	2724.80
4	Black	Loss	Koyama Jun	2599.72
34 Aomori Championship
Date	2017-07-02		Rating	2284.00
Round	Color	Result	Opponent
1	Black	Loss	Tanno Yoshitaka	2140.87
2	White	Loss	Miyamoto Syunju	2273.73
3	Black	Loss	Gakumazawa Hideaki	2214.00
4	Black	Win	Koseki Kenshou	1650.27
5	White	Win	Yamamoto Harue	1633.71
55 Meijinsen Qualification Tohoku area 1st round
Date	2017-04-09		Rating	2288.98
Round	Color	Result	Opponent
2	Black	Draw	Miyamoto Syunju	2257.98
3	Black	Win	Gakumazawa Hideaki	2208.37
4	White	Win	Gakumazawa Hideaki	2208.37
6	White	Loss	Miyamoto Syunju	2257.98
12th All Japan Championship
Date	2017-03-26		Rating	2289.52
Round	Color	Result	Opponent
1	White	Loss	Koyama Jun	2610.85
2	Black	Win	Miyamoto Syunju	2254.28
3	Black	Loss	Iio Yoshihiro	2550.04
4	White	Win	Maruta Hiroki	2113.76
5	White	Win	Sato Kiyotomi	2482.30
6	Black	Loss	Tamada Yoichi	2553.68
54 Meijinsen Qualification East Japan area 2nd round
Date	2016-06-12		Rating	2269.74
Round	Color	Result	Opponent
1	Black	Loss	Koyama Jun	2633.43
2	White	Loss	Tamada Yoichi	2572.71
3	White	Loss	Okabe Hiroshi	2728.29
4	White	Draw	Kamiya Shunsuke	2731.25
5	Black	Loss	Mitsumori Masao	2357.44
54 Meijinsen Qualification Tohoku area 1st round
Date	2016-04-10		Rating	2267.27
Round	Color	Result	Opponent
1	Black	Draw	Gakumazawa Hideaki	2209.46
2	Black	Win	Miura Hitoshi	1775.72
3	Black	Draw	Miyamoto Syunju	2159.03
19 Mikami Cup
Date	2016-03-13		Rating	2266.72
Round	Color	Result	Opponent
S1	Black	Loss	Okabe Hiroshi	2723.98
S3	Black	Loss	Koyama Jun	2635.73
S4	White	Draw	Ono Takayuki	2331.88
S5	White	Loss	Kamiya Shunsuke	2727.65
12th Middle-dan Players Tournament
Date	2015-07-20		Rating	2265.96
Round	Color	Result	Opponent
1	White	Win	Kubo Izumi	2086.07
2	Black	Win	Miyagawa Junzo	2249.08
3	Black	Loss	Tachi Masaya	2487.50
4	Black	Win	Hata Masayuki	2188.51
5	Black	Loss	Mano Yoshihisa	2365.13
6	Black	Draw	Kashihara Akihiko	2334.06
53 Meijinsen Qualification East Japan area 1st round
Date	2015-05-10		Rating	2260.64
Round	Color	Result	Opponent
1	White	Loss	Iwano Fumio	2249.13
2	Black	Win	Tanizaki Ryusuke	2199.21
3	White	Loss	Sato Kiyotomi	2507.46
4	White	Draw	Nakamura Souta	2295.80
7th Tohoku Championship
Date	2015-04-12		Rating	2259.32
Round	Color	Result	Opponent
1	White	Win	Miura Hitoshi	1791.63
2	Black	Loss	Okabe Hiroshi	2739.70
3	Black	Win	Hirono Masakazu	1987.53
4	White	Loss	Kobayashi Koichi	2295.93
5	Black	Win	Miyamoto Syunju	2057.61
Sendai Memorial Cup
Date	2015-03-01		Rating	2257.48
Round	Color	Result	Opponent
1	Black	Loss	Kobayashi Koichi	2295.15
2	Black	Win	Miura Hitoshi	1794.14
4	White	Win	Hirono Masakazu	1986.76
5	Black	Win	Seiryu Masanori	1988.72
7	White	Win	Miyamoto Syunju	2047.73
6th Tohoku Championship
Date	2014-04-20		Rating	2236.74
Round	Color	Result	Opponent
1	Black	Win	Gakumazawa Hideaki	2163.92
2	White	Win	Miura Hitoshi	1802.89
4	Black	Loss	Kobayashi Koichi	2241.66
5	White	Win	Hirono Masakazu	1988.73
6	White	Loss	Okabe Hiroshi	2759.47
7	Black	Loss	Sato Kiyotomi	2471.04
5th Tohoku Championship
Date	2013-04-14		Rating	2215.60
Round	Color	Result	Opponent
1	White	Win	Hirono Masakazu	2010.20
2	White	Loss	Ishitani Shin-ichi	2380.08
3	White	Loss	Okabe Hiroshi	2740.58
4	White	Loss	Nakamura Shigeru	2867.24
5	Black	Win	Gakumazawa Hideaki	2131.51
4th Tohoku Championship
Date	2012-04-08		Rating	2183.46
Round	Color	Result	Opponent
1	Black	Win	Suzuki Junichiro	1938.33
2	Black	Loss	Kudomi Takahiro	2430.98
3	White	Loss	Miura Hitoshi	1917.98
4	Black	Win	Maruta Koji	2127.04
5	Black	Loss	Sato Kiyotomi	2400.96
5th All Japan Championship
Date	2010-03-21		Rating	2170.35
Round	Color	Result	Opponent
1	Black	Loss	Isobe Taizan	2395.62
2	Black	Draw	Kobayashi Koichi	2133.43
3	Black	Loss	Kudomi Takahiro	2377.78
4	White	Loss	Maruta Koji	2114.94
5	White	Win	Kubo Izumi	2106.50
6	Black	Draw	Suzuki Junichiro	1918.97
2nd Tohoku Championship
Date	2010-03-14		Rating	2170.99
Round	Color	Result	Opponent
1	Black	Win	Miura Hitoshi	1926.67
2	White	Win	Kobayashi Koichi	2133.05
3	White	Draw	Kato Yasuhiro	2100.07
4	White	Loss	Tamada Yoichi	2448.03
5	White	Loss	Sato Kiyotomi	2419.73
World Championship 2001, BT
Date	2001-08-12		Rating	2394.67
Round	Color	Result	Opponent
1	White	Win	Miyagawa Sou	1982.72
2	White	Win	Lunkin Vitaly	2317.39
3	White	Loss	Hasegawa Kazuto	2574.92
4	Black	Win	Tadokoro Hosai	2003.52
5	Black	Win	Kaufman Victor	2096.51
6	Black	Win	Tatsutomi Hiroyuki	2229.72
7	Black	Win	Iio Yoshihiro	2416.98
8	White	Draw	Eibatov Nizami	2362.68
World Championship 2001, QT
Date	2001-08-06		Rating	2394.28
Round	Color	Result	Opponent
1	White	Win	Sunagawa Shouki	2208.07
2	Black	Win	Lents Johann	2361.53
3	White	Draw	Okabe Hiroshi	2369.90
4	White	Loss	Gardström Petter	2516.62
5	White	Loss	Nara Hideki	2543.24
6	White	Win	Park Jeong Ho	2306.78
7	Black	Loss	Eibatov Nizami	2362.33
Japan WC Qualification tournament
Date	2001-03-24		Rating	2387.37
Round	Color	Result	Opponent
1	Black	Win	Kuramoto Hideharu	1786.84
2	White	Loss	Nara Hideki	2558.50
3	White	Win	Hasegawa Kazuto	2564.74
4	Black	Win	Sunagawa Shouki	2224.68
5	White	Loss	Ishitani Shin-ichi	2418.44
6	Black	Win	Miyagawa Junzo	2210.32
7	Black	Win	Koiso Shigemasa	2172.44
38th Meijinsen Tournament
Date	2000-10-01		Rating	2362.82
Round	Color	Result	Opponent
1	White	Loss	Nishizono Norio	2356.81
2	White	Win	Maruyama Yasushi	2241.30
3	Black	Loss	Kudomi Takahiro	2365.03
4	Black	Loss	Nara Hideki	2579.94
5	White	Loss	Hasegawa Kazuto	2567.23
6	Black	Win	Fujinami Hisao	2244.52
7	White	Draw	Hayakawa Yoshimi	2428.90
8	White	Win	Arai Yutaka	2189.52
9	White	Loss	Iio Yoshihiro	2364.57
38th Meijinsen Qualification: East Japan 2nd round
Date	2000-07-02		Rating	2359.37
Round	Color	Result	Opponent
	White	Loss	Isobe Taizan	2456.96
	Black	Win	Kudomi Takahiro	2357.58
	Black	Win	Mitsumori Masao	2293.84
38th Meijinsen Qualification: East Japan 1st round
Date	2000-06-04		Rating	2356.63
Round	Color	Result	Opponent
1	White	Loss	Isobe Taizan	2456.78
2	Black	Win	Hara Masao	2121.71
3	Black	Win	Kubo Izumi	2175.05
4	Black	Loss	Mitsumori Masao	2295.08
Kanto Championship
Date	2000-05-14		Rating	2355.70
Round	Color	Result	Opponent
1	Black	Win	Hara Masao	2122.02
2	Black	Win	Horiuchi Kazuki	1758.58
3	Black	Win	Mitsumori Masao	2297.28
4	Black	Draw	Sunagawa Shouki	2217.07