Okabe Hiroshi (岡部寛)

Place: Tokyo, Japan

Birth: 1985-12-14

Rating: 2763.78, Std: 68.06, Rank: 15

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

Top rating: 2763.78 (2026-03-15)

Games: 1173, Wins: 695, Draws: 238, Losses: 240

Gy1: 61, Gy2: 100, Gy5: 209

17th Tohoku Championshp
Date	2026-03-15		Rating	2763.78
Round	Color	Result	Opponent
1	Black	Win	Hirono Masakazu	1940.49
2	White	Win	Yoshikawa Tomoki	2459.52
3	Black	Win	Kusajima Masato	2222.09
4	White	Win	Ishitani Shin-ichi	2346.13
5	White	Win	Miyamoto Syunju	2307.51
20th All Japan Championship
Date	2026-02-23		Rating	2763.01
Round	Color	Result	Opponent
1	White	Win	Yoshikawa Tomoki	2457.88
2	Black	Draw	Fukui Nobuhiro	2603.99
3	Black	Win	Matsuda Shoma	2624.14
4	White	Draw	Inoue Fumiya	2583.60
5	Black	Win	Kawamura Norihiko	2542.15
6	White	Loss	Nakayama Tomoharu	2856.42
29th New Year (Mikami) Cup
Date	2026-01-11		Rating	2762.03
Round	Color	Result	Opponent
S1	Black	Win	Matsuda Shoma	2632.58
S2	White	Draw	Inoue Fumiya	2580.41
S3	Black	Win	Ishitani Shin-ichi	2356.10
S4	White	Win	Wang Qingqing	2730.23
S5	White	Draw	Kamiya Shunsuke	2901.26
26 Kanto Renju Emperor Tournament Final round
Date	2025-12-07		Rating	2758.06
Round	Color	Result	Opponent
1	White	Win	Maruta Hiroki	2258.44
2	Black	Win	Ono Takayuki	2400.20
3	White	Loss	Koyama Jun	2654.96
4	White	Loss	Kamiya Shunsuke	2904.03
5	White	Win	Inoue Fumiya	2579.74
6	Black	Win	Yoshikawa Tomoki	2444.67
7	Black	Win	Fujita Maiko	2503.42
57 Kyoto Classified Tournament
Date	2025-11-22		Rating	2756.67
Round	Color	Result	Opponent
1	Black	Win	Hasegawa Kazuto	2387.71
2	White	Win	Makino Mitsunori	2662.87
3	Black	Win	Yoshikawa Tomoki	2441.84
4	Black	Win	Yoshida Hisao	2175.89
5	White	Draw	Tachi Masaya	2502.29
63rd Meijinsen Tournament
Date	2025-10-13		Rating	2751.47
Round	Color	Result	Opponent
1	Black	Draw	Nakayama Tomoharu	2840.95
2	Black	Draw	Matsuda Shoma	2636.45
3	White	Draw	Kuga Akio	2443.30
4	Black	Win	Kawano Takahisa	2573.39
5	White	Win	Mano Yoshihisa	2231.21
6	Black	Win	Takashima Junya	2400.83
7	White	Loss	Tachi Masaya	2501.64
8	White	Win	Makino Mitsunori	2665.25
9	Black	Loss	Wang Qingqing	2727.62
World Championship 2025, AT
Date	2025-08-15		Rating	2749.85
Round	Color	Result	Opponent
1	Black	Draw	He Shujun	2687.16
2	White	Draw	Oll Aivo	2663.10
3	White	Draw	Nakayama Tomoharu	2835.96
4	White	Draw	Cao Dong	2814.59
5	Black	Draw	Kamiya Shunsuke	2894.48
6	White	Loss	Gromov Danila	2690.75
7	White	Win	Mesila Villem	2548.69
8	Black	Draw	Mei Fan	2734.87
9	White	Win	Li Xiaoqing	2690.19
10	White	Loss	Ni Zhongxing	2840.31
11	White	Draw	Lu Hai	2617.08
42nd Kanto Championship
Date	2025-06-28		Rating	2750.17
Round	Color	Result	Opponent
1	Black	Win	Maruta Hiroki	2272.32
2	Black	Win	Ono Takayuki	2415.88
3	Black	Win	Tachi Masaya	2506.72
4	White	Draw	Matsuda Shoma	2632.90
5	White	Win	Ishitani Shin-ichi	2370.76
6	White	Draw	Yoshikawa Tomoki	2387.89
ex	Black	Draw	Matsuda Shoma	2632.90
19th All Japan Championship
Date	2025-06-28		Rating	2750.17
Round	Color	Result	Opponent
1	White	Win	Tanaka Shotaro	2333.25
2	White	Win	Fujita Maiko	2500.93
3	Black	Draw	Matsuda Shoma	2632.90
4	White	Draw	Kamiya Shunsuke	2892.02
5	Black	Draw	Nakayama Tomoharu	2830.04
6	Black	Win	Tachi Masaya	2506.72
16th Tohoku Championship
Date	2025-03-09		Rating	2746.13
Round	Color	Result	Opponent
1	White	Win	Kusajima Masato	2218.66
2	Black	Win	Miyamoto Syunju	2302.41
3	Black	Win	Fujita Maiko	2482.35
4	Black	Win	Shimura Hiroki	2243.16
5	Black	Draw	Kawaai Hitoshi	2060.07
28th New Year (Mikami) Cup
Date	2025-01-19		Rating	2745.06
Round	Color	Result	Opponent
S1	Black	Loss	Fujita Maiko	2475.59
S2	White	Loss	Inoue Fumiya	2550.06
S4	Black	Win	Ishitani Shin-ichi	2395.78
S5	Black	Win	Kawamura Norihiko	2519.15
25 Kanto Renju Emperor Tournament Final round
Date	2024-12-08		Rating	2749.96
Round	Color	Result	Opponent
1	Black	Win	Miyamoto Syunju	2307.87
2	White	Win	Ono Takayuki	2419.37
3	Black	Draw	Wang Qingqing	2700.46
4	White	Loss	Inoue Fumiya	2541.32
5	Black	Win	Kamiya Shunsuke	2881.68
6	Black	Win	Matsuda Shoma	2553.73
7	White	Draw	Fujita Maiko	2469.33
62nd Meijinsen match R3-4
Date	2024-11-24		Rating	2751.67
Round	Color	Result	Opponent
3	Black	Draw	Kamiya Shunsuke	2881.32
4	Black	Draw	Kamiya Shunsuke	2881.32
62nd Meijinsen match R1-2
Date	2024-11-04		Rating	2753.31
Round	Color	Result	Opponent
1	Black	Loss	Kamiya Shunsuke	2881.35
2	White	Draw	Kamiya Shunsuke	2881.35
62nd Meijinsen Tournament
Date	2024-10-14		Rating	2755.38
Round	Color	Result	Opponent
1	White	Win	Kawano Takahisa	2551.93
2	Black	Win	Inoue Fumiya	2533.95
3	White	Win	Matsuda Shoma	2530.72
4	Black	Win	Yamane Tomohiro	2054.78
5	White	Draw	Makino Mitsunori	2652.56
6	Black	Win	Tachi Masaya	2579.22
7	White	Win	Ishitani Shin-ichi	2410.16
8	Black	Draw	Nakayama Tomoharu	2804.76
9	White	Win	Kuga Akio	2422.48
41st Kanto Championship
Date	2024-07-21		Rating	2753.09
Round	Color	Result	Opponent
1	White	Win	Suenaga Daiki	2144.77
2	Black	Win	Fujita Maiko	2441.30
3	White	Win	Inoue Fumiya	2521.02
4	White	Win	Matsuda Shoma	2517.58
5	Black	Win	Takazawa Nagayoshi	2256.10
6	White	Draw	Ishitani Shin-ichi	2416.71
Team World Championship 2024
Date	2024-05-04		Rating	2748.70
Round	Color	Result	Opponent
6	White	Win	Lee Chi Son	2283.61
7	Black	Win	Gromov Danila	2593.21
8	Black	Win	Liu Qin	2581.28
9	Black	Win	Wu Di	2716.22
18th All Japan Championship
Date	2024-02-12		Rating	2734.20
Round	Color	Result	Opponent
1	Black	Loss	Tanaka Shotaro	2324.18
2	White	Win	Suzuki Yoshitaka	2003.93
3	Black	Loss	Miyamoto Syunju	2355.36
4	White	Win	Kato Yasuhiro	2012.50
5	Black	Win	Ishitani Shin-ichi	2415.59
6	White	Draw	Tachi Masaya	2601.84
27th New Year (Mikami) Cup
Date	2024-01-14		Rating	2734.95
Round	Color	Result	Opponent
S1	Black	Win	Ono Takayuki	2428.29
S2	Black	Win	Fujita Maiko	2424.95
S3	Black	Win	Ishitani Shin-ichi	2418.15
S4	Black	Draw	Inoue Fumiya	2520.67
S5	White	Win	Tanaka Shotaro	2323.12
24 Kanto Renju Emperor Tournament 2nd round
Date	2023-12-10		Rating	2734.93
Round	Color	Result	Opponent
1	Black	Draw	Nakayama Tomoharu	2794.71
2	Black	Win	Inoue Fumiya	2518.69
3	White	Win	Miyamoto Syunju	2339.57
4	White	Loss	Kamiya Shunsuke	2876.40
5	White	Win	Makino Mitsunori	2640.21
24 Kanto Renju Emperor Tournament Kanto area 1st round
Date	2023-11-19		Rating	2733.84
Round	Color	Result	Opponent
1	White	Win	Matsuda Shoma	2430.38
2	Black	Draw	Wang Qingqing	2672.39
3	White	Win	Ono Takayuki	2435.30
4	Black	Draw	Nakayama Tomoharu	2794.95
ex	White	Win	Maruta Hiroki	2246.84
61st Meijinsen match R3
Date	2023-10-28		Rating	2731.83
Round	Color	Result	Opponent
3	Black	Loss	Kamiya Shunsuke	2875.28
61st Meijinsen match R1-2
Date	2023-10-15		Rating	2731.08
Round	Color	Result	Opponent
1	Black	Loss	Kamiya Shunsuke	2874.50
2	White	Loss	Kamiya Shunsuke	2874.50
61st Meijinsen Tournament
Date	2023-09-18		Rating	2731.35
Round	Color	Result	Opponent
1	Black	Draw	Kawano Takahisa	2553.66
2	White	Win	Tachi Masaya	2588.19
3	Black	Win	Maruyama Yasushi	2255.52
4	White	Win	Matsuda Shoma	2414.09
5	White	Win	Fujita Maiko	2428.18
6	Black	Win	Makino Mitsunori	2632.52
7	Black	Win	Yamane Tomohiro	2080.81
8	Black	Draw	Hasegawa Kazuto	2548.34
9	Black	Win	Nakayama Tomoharu	2794.88
World Championship 2023, AT
Date	2023-08-12		Rating	2726.98
Round	Color	Result	Opponent
1	Black	Loss	Epifanov Dmitry	2677.12
2	White	Win	Inoue Fumiya	2532.64
3	Black	Win	Ni Zhongxing	2755.24
4	Black	Win	Burtsev Nikolai	2534.28
5	White	Loss	Nakayama Tomoharu	2796.53
6	White	Win	Kamiya Shunsuke	2866.33
7	White	Draw	Pinsky Alexander	2638.06
8	Black	Win	Lee Ho June	2447.97
9	Black	Draw	Lu Hai	2761.94
10	Black	Draw	Mei Fan	2770.02
11	Black	Draw	Cao Dong	2755.92
40th Kanto Championship
Date	2023-07-09		Rating	2719.39
Round	Color	Result	Opponent
1	Black	Win	Fujita Maiko	2431.82
2	Black	Loss	Makino Mitsunori	2627.26
3	White	Loss	Miyamoto Syunju	2313.36
4	White	Win	Tanaka Shotaro	2327.56
5	Black	Win	Takazawa Nagayoshi	2298.59
6	Black	Win	Ishitani Shin-ichi	2392.07
17th All Japan Championship
Date	2023-03-19		Rating	2707.74
Round	Color	Result	Opponent
1	White	Win	Miyamoto Syunju	2284.13
2	White	Win	Ishitani Shin-ichi	2381.53
3	Black	Draw	Kamiya Shunsuke	2872.68
4	White	Draw	Makino Mitsunori	2628.00
5	Black	Draw	Nakayama Tomoharu	2804.76
6	White	Draw	Tachi Masaya	2553.80
23 Kanto Renju Emperor Tournament 2nd round
Date	2023-01-29		Rating	2701.28
Round	Color	Result	Opponent
1	White	Loss	Inoue Fumiya	2541.15
2	White	Loss	Yokoyama Shota	2478.15
3	Black	Win	Kamiya Shunsuke	2870.64
4	White	Win	Fujita Maiko	2431.39
5	Black	Win	Maruta Koji	2178.92
26th New Year (Mikami) Cup
Date	2023-01-15		Rating	2700.30
Round	Color	Result	Opponent
S1	Black	Win	Takazawa Nagayoshi	2279.61
S2	Black	Draw	Inoue Fumiya	2541.13
S3	White	Win	Ono Takayuki	2432.92
S4	White	Loss	Ishitani Shin-ichi	2383.47
S5	Black	Draw	Tanaka Shotaro	2336.82
60th Meijinsen Tournament
Date	2022-09-19		Rating	2707.80
Round	Color	Result	Opponent
1	Black	Win	Kuga Akio	2413.72
2	Black	Win	Ono Takayuki	2428.86
3	White	Draw	Makino Mitsunori	2633.71
4	Black	Win	Miyamoto Syunju	2259.13
5	White	Win	Kawamoto Shoma	2328.15
6	Black	Win	Hasegawa Kazuto	2612.72
7	White	Loss	Nagasoe Hiroki	2661.78
8	White	Win	Ishitani Shin-ichi	2368.41
9	Black	Draw	Nakayama Tomoharu	2814.58
39 Kanto Championship
Date	2022-07-31		Rating	2708.41
Round	Color	Result	Opponent
1	Black	Win	Tanaka Shotaro	2316.77
2	Black	Win	Maruta Hiroki	2199.00
3	Black	Win	Ono Takayuki	2432.88
4	White	Win	Ishitani Shin-ichi	2366.52
5	White	Draw	Yokoyama Shota	2470.55
6	White	Win	Kato Yasuhiro	2054.01
22nd Kanto Renju Emperor Tournament Final
Date	2022-03-19		Rating	2707.61
Round	Color	Result	Opponent
1	Black	Loss	Kamiya Shunsuke	2871.98
2	Black	Draw	Kamiya Shunsuke	2871.98
3	White	Loss	Kamiya Shunsuke	2871.98
59th Meijinsen Tournament
Date	2022-01-10		Rating	2709.77
Round	Color	Result	Opponent
1	White	Win	Maruta Hiroki	2253.72
2	Black	Draw	Nakayama Tomoharu	2831.31
3	Black	Win	Maruyama Yasushi	2276.78
4	Black	Win	Ono Takayuki	2428.79
5	White	Win	Hayashi Shoichi	2158.50
6	Black	Win	Iio Yoshihiro	2403.30
7	White	Win	Nagasoe Hiroki	2662.66
8	White	Draw	Hasegawa Kazuto	2572.46
9	Black	Loss	Kamiya Shunsuke	2867.16
ex	White	Win	Nagasoe Hiroki	2662.66
22 Renju Emperor Tournament 2nd round
Date	2021-12-19		Rating	2707.89
Round	Color	Result	Opponent
1	Black	Win	Yokoyama Shota	2459.58
2	Black	Win	Maruta Hiroki	2260.82
3	White	Loss	Kamiya Shunsuke	2867.21
4	Black	Draw	Nagasoe Hiroki	2660.55
5	White	Draw	Shimura Hiroki	2111.02
13th Tohoku Championship
Date	2021-12-12		Rating	2707.72
Round	Color	Result	Opponent
1	White	Win	Miyamoto Syunju	2249.85
2	Black	Win	Fujita Maiko	2386.37
3	Black	Loss	Inoue Fumiya	2523.45
4	White	Win	Maruta Hiroki	2262.80
38 Kanto Championship
Date	2021-08-08		Rating	2711.34
Round	Color	Result	Opponent
1	White	Win	Suenaga Daiki	2264.23
2	White	Win	Ishitani Shin-ichi	2339.34
3	White	Loss	Kamiya Shunsuke	2857.92
4	Black	Loss	Inoue Fumiya	2510.62
5	White	Loss	Yokoyama Shota	2460.24
6	White	Win	Fujita Maiko	2359.27
16th All Japan Championship
Date	2021-03-28		Rating	2738.47
Round	Color	Result	Opponent
1	Black	Win	Suenaga Daiki	2271.35
2	Black	Win	Inoue Fumiya	2485.36
3	Black	Draw	Nakamura Shigeru	2958.21
4	White	Win	Fujita Maiko	2367.94
5	White	Win	Nagasoe Hiroki	2642.69
6	White	Win	Makino Mitsunori	2569.74
21th Kanto Renju Emperor Tournament Final
Date	2021-02-27		Rating	2740.27
Round	Color	Result	Opponent
1	White	Win	Makino Mitsunori	2566.98
2	Black	Win	Makino Mitsunori	2566.98
24th New Year(Mikami)Cup
Date	2021-01-29		Rating	2740.33
Round	Color	Result	Opponent
S1	Black	Win	Ono Takayuki	2397.33
S2	White	Win	Maruta Hiroki	2235.22
S3	Black	Win	Maruta Koji	2125.55
S4	White	Win	Ishitani Shin-ichi	2370.86
S5	Black	Draw	Makino Mitsunori	2563.29
12th Tohoku Championship
Date	2020-12-27		Rating	2740.13
Round	Color	Result	Opponent
	Black	Draw	Nakamura Shigeru	2957.64
21 Renju Emperor Tournament 2nd round
Date	2020-12-06		Rating	2739.35
Round	Color	Result	Opponent
1	White	Win	Shimura Hiroki	2006.64
2	White	Win	Ono Takayuki	2400.38
3	White	Draw	Nagasoe Hiroki	2628.25
4	Black	Win	Inoue Fumiya	2473.04
5	Black	Draw	Makino Mitsunori	2552.35
58 Meijinsen Tournament
Date	2020-09-21		Rating	2737.25
Round	Color	Result	Opponent
1	White	Win	Kamiya Shunsuke	2826.20
2	White	Loss	Makino Mitsunori	2525.79
3	White	Win	Nakayama Tomoharu	2843.68
4	Black	Win	Fujita Maiko	2377.29
5	Black	Win	Fujita Yudai	2486.06
6	White	Loss	Matsuura Hiroshi	2382.36
7	Black	Draw	Tamada Yoichi	2533.84
8	Black	Win	Tanaka Toshiki	2471.33
9	Black	Draw	Tachi Masaya	2487.87
37 Kanto Championship
Date	2020-08-10		Rating	2738.30
Round	Color	Result	Opponent
1	White	Win	Ito Midori	1795.73
2	Black	Win	Kato Yasuhiro	2084.48
3	White	Win	Ishitani Shin-ichi	2375.18
4	White	Win	Maruta Hiroki	2250.23
5	White	Win	Fujita Maiko	2377.47
6	Black	Win	Maruyama Takashi	2048.31
20th Kanto Renju Emperor Tournament Final
Date	2020-02-16		Rating	2736.38
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2968.78
2	White	Loss	Nakamura Shigeru	2968.78
23 New Year (Mikami) Cup
Date	2020-01-26		Rating	2737.12
Round	Color	Result	Opponent
A1	Black	Win	Maruta Hiroki	2222.70
A2	White	Win	Iwano Fumio	2176.43
A3	Black	Loss	Nakamura Shigeru	2968.68
A4	White	Win	Fujita Maiko	2359.85
A5	White	Win	Ishitani Shin-ichi	2378.20
15th All Japan Championship
Date	2020-01-19		Rating	2737.29
Round	Color	Result	Opponent
1	Black	Win	Sakamoto Suzan	2273.74
2	White	Win	Nakamura Shigeru	2968.39
3	White	Win	Inoue Fumiya	2420.63
4	Black	Loss	Nakayama Tomoharu	2850.62
5	Black	Draw	Kamiya Shunsuke	2823.40
6	Black	Win	Iio Yoshihiro	2402.01
20 Renju Emperor Tournament 2nd round
Date	2019-12-08		Rating	2734.14
Round	Color	Result	Opponent
1	White	Win	Inoue Fumiya	2422.33
2	White	Loss	Fujita Maiko	2360.30
3	White	Draw	Nakamura Shigeru	2971.56
4	White	Win	Miyamoto Syunju	2300.05
5	White	Win	Ishitani Shin-ichi	2377.84
11th Tohoku Championship
Date	2019-10-06		Rating	2731.27
Round	Color	Result	Opponent
1	White	Win	Kusajima Masato	2242.76
2	White	Win	Miyamoto Syunju	2296.25
3	Black	Win	Hirono Masakazu	2053.75
4	White	Win	Ishitani Shin-ichi	2383.43
5	White	Win	Gakumazawa Hideaki	2139.63
57 Meijinsen Tournament
Date	2019-09-16		Rating	2729.68
Round	Color	Result	Opponent
1	White	Win	Matsuura Hiroshi	2365.16
2	White	Win	Ishitani Shin-ichi	2387.11
3	Black	Win	Inoue Fumiya	2422.86
4	Black	Draw	Kamiya Shunsuke	2828.37
5	Black	Win	Hasegawa Kazuto	2616.55
6	Black	Loss	Kawamura Norihiko	2674.94
7	White	Win	Nakayama Tomoharu	2830.52
8	Black	Loss	Koyama Jun	2616.13
9	White	Win	Kawano Takahisa	2464.28
World Championship 2019, AT
Date	2019-08-10		Rating	2724.93
Round	Color	Result	Opponent
1	White	Draw	Oll Aivo	2747.68
2	Black	Win	Inoue Fumiya	2426.89
3	Black	Win	Epifanov Dmitry	2676.20
4	White	Draw	Nakayama Tomoharu	2824.87
5	White	Win	Kamiya Shunsuke	2825.33
6	White	Loss	Koyama Jun	2621.36
7	White	Loss	Gardström Petter	2703.61
8	Black	Loss	Cao Dong	2786.66
9	White	Loss	Sushkov Vladimir	2844.08
10	White	Win	Fedotov Denis	2685.26
11	White	Win	Mei Fan	2709.83
36 Kanto Championship
Date	2019-07-28		Rating	2722.69
Round	Color	Result	Opponent
1	Black	Win	Fujikawa Masaki	2155.56
2	White	Win	Makino Mitsunori	2319.07
3	White	Loss	Nakamura Shigeru	2987.89
4	White	Win	Ono Takayuki	2401.29
5	White	Draw	Inoue Fumiya	2428.48
6	White	Win	Ishitani Shin-ichi	2391.96
14th All Japan Championship
Date	2019-03-31		Rating	2703.94
Round	Color	Result	Opponent
1	White	Win	Miyamoto Syunju	2274.03
2	White	Loss	Nakamura Shigeru	2999.20
3	White	Draw	Kamiya Shunsuke	2817.02
4	White	Win	Iio Yoshihiro	2454.02
5	White	Loss	Inoue Fumiya	2430.79
6	White	Win	Koyama Jun	2593.33
19th Kanto Renju Emperor Tournament Final
Date	2019-02-17		Rating	2698.30
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	3001.58
2	Black	Loss	Nakamura Shigeru	3001.58
22 New Year (Mikami) Cup
Date	2019-01-20		Rating	2695.46
Round	Color	Result	Opponent
1	White	Win	Inoue Fumiya	2415.20
2	White	Win	Tomobe Katsuhiro	2172.67
3	White	Win	Ono Takayuki	2403.42
4	Black	Draw	Ke Fang-Ying	2372.80
5	Black	Win	Takazawa Nagayoshi	2174.86
19 Renju Emperor Tournament 2nd round
Date	2018-12-09		Rating	2690.97
Round	Color	Result	Opponent
1	White	Win	Maruta Hiroki	2180.38
2	White	Win	Ishitani Shin-ichi	2421.81
3	Black	Loss	Nakamura Shigeru	3003.59
4	White	Win	Miyamoto Syunju	2269.08
5	White	Win	Iwano Fumio	2246.71
“SOPAI Cup” 1st World Renju Open
Date	2018-11-25		Rating	2689.10
Round	Color	Result	Opponent
1	White	Win	Tian Hanfa	1892.14
2	White	Loss	Wai Chan Keong	2757.81
3	Black	Loss	Sun Jinxue	2250.13
4	White	Win	Peng Lulu	2065.70
5	White	Loss	Hong Pengcheng	2397.63
6	Black	Loss	Cheng Yanzhen	2428.32
7	White	Win	Guo Haisen	2205.55
8	White	Loss	Lu Hai	2622.94
9	White	Win	Ling Shijie	2413.82
56 Meijinsen Tournament
Date	2018-09-17		Rating	2705.33
Round	Color	Result	Opponent
1	White	Win	Hasegawa Kazuto	2581.77
2	Black	Win	Kuga Akio	2430.07
3	Black	Loss	Koyama Jun	2577.01
4	White	Loss	Nakamura Shigeru	3003.63
5	Black	Win	Matsuura Hiroshi	2357.00
6	Black	Win	Kawamura Norihiko	2662.65
8	White	Win	Ishitani Shin-ichi	2432.15
9	Black	Win	Kamiya Shunsuke	2803.12
10th Tohoku Championship
Date	2018-09-09		Rating	2706.29
Round	Color	Result	Opponent
1	White	Win	Hirono Masakazu	2065.48
2	Black	Win	Miyamoto Syunju	2265.12
3	Black	Win	Demachi Koichiro	1926.06
5	Black	Win	Kusajima Masato	2301.00
35 Kanto Championship
Date	2018-07-16		Rating	2711.68
Round	Color	Result	Opponent
1	White	Win	Fujikawa Masaki	2106.16
2	White	Win	Inoue Fumiya	2399.28
3	White	Loss	Nakamura Shigeru	2997.63
4	White	Win	Fujita Maiko	2225.60
5	Black	Draw	Nakayama Tomoharu	2841.33
6	Black	Win	Ishitani Shin-ichi	2435.33
Team World Championship 2018
Date	2018-05-05		Rating	2715.42
Round	Color	Result	Opponent
2	White	Loss	Mesila Villem	2649.02
3	White	Win	Gardström Petter	2695.06
5	White	Win	Makarov Pavel	2603.37
6	Black	Loss	Cao Dong	2806.14
7	White	Loss	Kryuchok Roman	2603.63
8	Black	Win	Kozhin Mikhail	2689.35
10	White	Win	Mesila Villem	2649.02
13th All Japan Championship
Date	2018-01-28		Rating	2719.81
Round	Color	Result	Opponent
1	Black	Win	Fujita Yudai	2502.69
2	White	Loss	Nakayama Tomoharu	2855.77
3	Black	Win	Iio Yoshihiro	2540.66
4	White	Loss	Kamiya Shunsuke	2815.86
5	Black	Win	Ishitani Shin-ichi	2421.23
6	Black	Loss	Tachi Masaya	2560.42
21 Mikami Cup
Date	2018-01-21		Rating	2720.71
Round	Color	Result	Opponent
S1	Black	Win	Ono Takayuki	2386.42
S2	White	Win	Ishitani Shin-ichi	2419.47
S3	White	Win	Sato Kiyotomi	2437.26
18 Kanto Renju Emperor Tournament 2nd round
Date	2017-12-17		Rating	2723.52
Round	Color	Result	Opponent
1	Black	Win	Miyamoto Syunju	2274.09
2	White	Win	Kusajima Masato	2304.12
3	White	Win	Sato Kiyotomi	2439.81
4	White	Win	Koyama Jun	2590.45
5	Black	Loss	Nakamura Shigeru	2964.04
18 Kanto Renju Emperor Tournament 1st round
Date	2017-11-01		Rating	2725.00
Round	Color	Result	Opponent
1	Black	Win	Maruta Koji	2130.17
2	Black	Draw	Koyama Jun	2599.86
3	Black	Win	Kusajima Masato	2300.29
4	White	Win	Ishitani Shin-ichi	2397.98
55 Meijinsen Tournament
Date	2017-09-18		Rating	2726.06
Round	Color	Result	Opponent
1	White	Win	Sato Kiyotomi	2454.65
2	White	Win	Kawano Takahisa	2442.35
3	White	Win	Iio Yoshihiro	2552.81
4	Black	Loss	Kamiya Shunsuke	2814.95
5	Black	Win	Tamada Yoichi	2514.79
6	White	Win	Matsuura Hiroshi	2343.23
7	White	Loss	Nakayama Tomoharu	2848.41
8	White	Win	Hasegawa Kazuto	2602.54
9	Black	Win	Maruyama Yasushi	2286.30
World Championship 2017, BT
Date	2017-08-12		Rating	2724.37
Round	Color	Result	Opponent
1	White	Win	Liao Jun-Yen	2344.17
2	White	Loss	Huang Yen-Hua	2465.28
3	White	Win	Sun In	2438.87
4	Black	Loss	Liu Yang	2675.26
5	Black	Win	Metreveli Maksim	2316.85
6	Black	Win	Yang Yu-Hsiung	2438.55
7	White	Draw	Tang Kai Lam	2774.96
8	Black	Draw	Wai Chan Keong	2684.12
9	White	Win	Koyama Jun	2611.27
World Championship 2017, QT
Date	2017-08-05		Rating	2724.45
Round	Color	Result	Opponent
1	Black	Draw	Lu Wei-Yuan	2607.27
2	Black	Win	Kim Su Chan	2311.68
3	White	Draw	Lin Huang-Yu	2730.61
4	White	Draw	Lan Zhiren	2640.93
5	Black	Draw	Koyama Jun	2611.17
6	Black	Win	Oll Aivo	2798.83
7	Black	Loss	Sushkov Vladimir	2878.49
34 Kanto Championship
Date	2017-07-16		Rating	2724.75
Round	Color	Result	Opponent
1	White	Win	Fujikawa Masaki	2077.29
2	White	Win	Iwano Fumio	2269.79
3	White	Loss	Nakayama Tomoharu	2829.98
4	White	Win	Ono Takayuki	2382.23
5	White	Win	Ishitani Shin-ichi	2396.94
6	White	Win	Maruta Hiroki	2132.94
12th All Japan Championship
Date	2017-03-26		Rating	2726.12
Round	Color	Result	Opponent
1	Black	Win	Ono Takayuki	2370.90
2	White	Win	Sato Kiyotomi	2482.28
3	White	Draw	Nakayama Tomoharu	2798.16
4	Black	Loss	Nakamura Shigeru	2970.09
5	Black	Win	Fujita Yudai	2491.36
6	Black	Draw	Kamiya Shunsuke	2792.79
20 New Year (Mikami) Cup
Date	2017-01-22		Rating	2723.27
Round	Color	Result	Opponent
S1	Black	Win	Sato Kiyotomi	2495.29
S2	White	Win	Ishitani Shin-ichi	2397.56
S4	Black	Loss	Nakamura Shigeru	2968.29
S5	White	Win	Koyama Jun	2615.29
17 Kanto Renju Emperor Tournament 2nd round
Date	2016-12-10		Rating	2718.94
Round	Color	Result	Opponent
1	White	Draw	Sato Kiyotomi	2505.33
2	Black	Win	Maruta Koji	2165.73
3	Black	Win	Ishitani Shin-ichi	2402.50
4	White	Draw	Nakamura Shigeru	2963.31
5	White	Loss	Nakayama Tomoharu	2787.59
17 Kanto Renju Emperor Tournament 1st round
Date	2016-11-23		Rating	2717.59
Round	Color	Result	Opponent
1	Black	Win	Maruta Koji	2168.03
2	White	Win	Koyama Jun	2618.86
3	Black	Win	Ishitani Shin-ichi	2404.04
4	Black	Draw	Sato Kiyotomi	2506.43
48 Kyoto Classified Tournament
Date	2016-11-13		Rating	2716.50
Round	Color	Result	Opponent
SS2	Black	Loss	Hasegawa Kazuto	2643.39
SS3	White	Loss	Hata Masayuki	2205.17
SS4	White	Draw	Kawamura Norihiko	2632.85
SS5	White	Draw	Iio Yoshihiro	2558.64
54 Meijinsen Tournament
Date	2016-09-19		Rating	2722.01
Round	Color	Result	Opponent
1	White	Win	Maruyama Yasushi	2294.84
2	Black	Win	Matsuura Hiroshi	2365.00
3	Black	Win	Iio Yoshihiro	2565.05
4	Black	Loss	Kuga Akio	2372.10
5	White	Loss	Kamiya Shunsuke	2764.11
6	White	Win	Tanaka Toshiki	2448.38
7	White	Win	Hasegawa Kazuto	2643.42
8	White	Draw	Nakayama Tomoharu	2781.68
9	Black	Win	Koyama Jun	2622.70
33 Kanto Championship
Date	2016-07-31		Rating	2726.09
Round	Color	Result	Opponent
1	White	Win	Fujikawa Masaki	2108.82
2	White	Win	Maruta Koji	2181.99
3	White	Win	Koyama Jun	2626.93
4	Black	Draw	Nakayama Tomoharu	2780.50
5	Black	Win	Maruta Hiroki	2132.93
6	Black	Loss	Nakamura Shigeru	2959.07
54 Meijinsen Qualification East Japan area 2nd round
Date	2016-06-12		Rating	2728.29
Round	Color	Result	Opponent
1	Black	Win	Kamiya Shunsuke	2731.20
2	Black	Win	Mitsumori Masao	2357.30
3	Black	Win	Kusajima Masato	2269.41
4	White	Win	Tamada Yoichi	2572.66
5	Black	Draw	Koyama Jun	2633.40
19 Mikami Cup
Date	2016-03-13		Rating	2723.94
Round	Color	Result	Opponent
S1	White	Win	Kusajima Masato	2266.39
S2	White	Draw	Kamiya Shunsuke	2727.57
S3	White	Loss	Nakamura Shigeru	2944.77
S4	White	Win	Koyama Jun	2635.66
S5	Black	Win	Ono Takayuki	2331.79
11th All Japan Championship
Date	2016-01-11		Rating	2718.75
Round	Color	Result	Opponent
1	Black	Draw	Fujita Yudai	2450.31
2	White	Draw	Tamada Yoichi	2576.23
3	White	Loss	Koyama Jun	2640.95
4	Black	Win	Ishitani Shin-ichi	2399.82
5	Black	Win	Iio Yoshihiro	2542.96
6	Black	Draw	Nakayama Tomoharu	2781.92
16 Kanto Renju Emperor Tournament 2nd round
Date	2015-12-13		Rating	2718.37
Round	Color	Result	Opponent
1	Black	Draw	Nakayama Tomoharu	2780.04
2	White	Loss	Nakamura Shigeru	2927.67
3	White	Win	Koyama Jun	2645.11
4	White	Win	Ono Takayuki	2328.70
5	White	Loss	Sato Kiyotomi	2540.42
16 Kanto Renju Emperor Tournament 1st round
Date	2015-11-15		Rating	2719.20
Round	Color	Result	Opponent
1	White	Win	Kato Yasuhiro	2045.69
2	Black	Win	Ono Takayuki	2329.50
3	White	Loss	Koyama Jun	2645.66
4	White	Loss	Sato Kiyotomi	2537.45
47 Kyoto Classified Tournament
Date	2015-11-08		Rating	2720.36
Round	Color	Result	Opponent
S1	Black	Win	Tachi Masaya	2474.85
S2	Black	Win	Hasegawa Kazuto	2671.43
S3	Black	Win	Epifanov Dmitry	2719.06
S4	Black	Win	Kashihara Akihiko	2344.68
S5	White	Win	Sakamoto Suzan	2286.91
53 Meijinsen Tournament
Date	2015-09-22		Rating	2721.37
Round	Color	Result	Opponent
1	White	Win	Ishitani Shin-ichi	2395.48
2	Black	Loss	Hasegawa Kazuto	2676.33
3	White	Win	Matsuura Hiroshi	2402.32
4	White	Win	Tamada Yoichi	2586.39
5	White	Draw	Oosumi Yuuki	2776.73
6	Black	Loss	Kawamura Norihiko	2626.96
7	Black	Draw	Nakayama Tomoharu	2772.95
8	White	Loss	Iio Yoshihiro	2535.31
9	White	Draw	Koyama Jun	2638.99
World Championship 2015, AT
Date	2015-08-13		Rating	2728.09
Round	Color	Result	Opponent
1	Black	Win	Tang Kai Lam	2732.27
2	Black	Draw	Kamiya Shunsuke	2710.72
3	Black	Loss	Qi Guan	2807.61
4	White	Draw	Taimla Tunnet	2767.97
5	Black	Win	Salnikov Pavel	2645.12
6	Black	Win	Makarov Pavel	2599.52
7	White	Loss	Lan Zhiren	2649.24
8	Black	Win	Hõbemägi Martin	2655.57
9	Black	Draw	Fedorkin Oleg	2739.83
10	Black	Draw	Chen Ko-Han	2711.68
11	Black	Draw	Lin Huang-Yu	2797.86
Kanto Championship
Date	2015-07-20		Rating	2730.17
Round	Color	Result	Opponent
1	Black	Win	Nakamura Souta	2295.42
2	White	Win	Ishitani Shin-ichi	2401.79
3	White	Draw	Koyama Jun	2633.35
4	White	Draw	Nakayama Tomoharu	2766.79
5	Black	Loss	Nakamura Shigeru	2909.28
6	Black	Win	Iwano Fumio	2254.59
7th Tohoku Championship
Date	2015-04-12		Rating	2739.60
Round	Color	Result	Opponent
1	White	Win	Gakumazawa Hideaki	2191.10
2	White	Win	Kusajima Masato	2258.97
3	White	Win	Kobayashi Koichi	2295.53
4	White	Win	Ishitani Shin-ichi	2424.65
5	Black	Win	Hirono Masakazu	1986.57
10th All Japan Championship
Date	2015-03-29		Rating	2740.42
Round	Color	Result	Opponent
1	White	Win	Miyagawa Junzo	2246.00
2	Black	Win	Nagao Noriaki	2281.02
3	White	Win	Kamiya Shunsuke	2678.81
4	Black	Draw	Nakamura Shigeru	2907.70
5	Black	Draw	Nakayama Tomoharu	2747.85
6	White	Draw	Tachi Masaya	2483.78
15th Kanto Renju Emperor Tournament Final
Date	2015-02-15		Rating	2740.79
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2905.22
2	Black	Loss	Nakamura Shigeru	2905.22
15 Kanto Renju Emperor Tournament 2nd round
Date	2015-01-25		Rating	2742.27
Round	Color	Result	Opponent
1	White	Win	Ono Takayuki	2349.01
2	White	Win	Ishitani Shin-ichi	2433.06
3	Black	Win	Kamiya Shunsuke	2663.99
4	White	Loss	Nakamura Souta	2270.48
5	Black	Win	Nakamura Shigeru	2902.68
18 Mikami Cup Tournament
Date	2015-01-18		Rating	2742.45
Round	Color	Result	Opponent
S1	Black	Win	Ono Takayuki	2350.55
S2	White	Draw	Isobe Taizan	2435.00
S3	Black	Loss	Nakamura Shigeru	2902.13
46 Kyoto Classified Tournament
Date	2014-11-09		Rating	2748.49
Round	Color	Result	Opponent
S1	White	Win	Miyagawa Junzo	2232.47
S2	Black	Win	Kawamura Norihiko	2656.03
S3	Black	Draw	Iio Yoshihiro	2517.83
S4	White	Win	Fukui Nobuhiro	2612.60
S5	Black	Loss	Oosumi Yuuki	2826.20
15 Kanto Renju Emperor Tournament 1st round
Date	2014-10-26		Rating	2749.62
Round	Color	Result	Opponent
1	White	Win	Tomobe Katsuhiro	2093.64
2	Black	Win	Kato Yasuhiro	2088.63
3	Black	Win	Fukui Nobuhiro	2614.02
4	Black	Draw	Kamiya Shunsuke	2644.07
52 Meijinsen Tournament
Date	2014-09-15		Rating	2751.96
Round	Color	Result	Opponent
1	Black	Win	Tamada Yoichi	2568.00
2	Black	Win	Fukui Nobuhiro	2621.04
3	Black	Win	Kashihara Akihiko	2347.45
4	Black	Win	Matsuura Hiroshi	2355.25
5	White	Loss	Oosumi Yuuki	2830.42
6	White	Draw	Iio Yoshihiro	2514.00
7	Black	Win	Sato Kiyotomi	2487.48
8	White	Draw	Hasegawa Kazuto	2658.49
9	White	Draw	Nakayama Tomoharu	2723.42
31th Kanto Championship
Date	2014-05-11		Rating	2758.09
Round	Color	Result	Opponent
1	White	Win	Kamiya Shunsuke	2607.45
2	White	Win	Kobayashi Koichi	2243.47
3	White	Draw	Tamura Kazumasa	2516.54
4	White	Loss	Nakamura Shigeru	2886.87
5	White	Win	Sato Kiyotomi	2473.04
6th Tohoku Championship
Date	2014-04-20		Rating	2759.37
Round	Color	Result	Opponent
1	Black	Win	Hirono Masakazu	1988.01
3	White	Win	Sato Kiyotomi	2470.66
4	White	Win	Gakumazawa Hideaki	2163.44
5	Black	Win	Miura Hitoshi	1802.45
6	Black	Win	Kusajima Masato	2236.39
7	White	Win	Kobayashi Koichi	2241.30
14 Kanto Renju Emperor Tournament final match
Date	2014-02-16		Rating	2761.11
Round	Color	Result	Opponent
1	White	Loss	Nakamura Shigeru	2893.13
2	Black	Loss	Nakamura Shigeru	2893.13
9th All Japan Championship
Date	2014-01-26		Rating	2763.18
Round	Color	Result	Opponent
1	White	Win	Ishitani Shin-ichi	2444.81
2	White	Win	Sato Kiyotomi	2465.98
3	White	Win	Fukui Nobuhiro	2613.09
4	White	Draw	Oosumi Yuuki	2834.81
5	White	Win	Iio Yoshihiro	2551.57
6	White	Win	Tamura Kazumasa	2526.21
14th Mikami Cup S-class
Date	2014-01-19		Rating	2763.00
Round	Color	Result	Opponent
1	Black	Win	Fukui Nobuhiro	2611.75
2	White	Draw	Ishitani Shin-ichi	2443.91
3	White	Win	Tamura Kazumasa	2527.16
4	White	Win	Nakayama Tomoharu	2674.70
5	Black	Loss	Nakamura Shigeru	2893.50
14 Kanto Renju Emperor Tournament 2nd round
Date	2013-12-15		Rating	2761.33
Round	Color	Result	Opponent
1	Black	Win	Fukui Nobuhiro	2606.55
2	Black	Win	Sato Kiyotomi	2467.25
3	White	Draw	Tamura Kazumasa	2526.36
4	Black	Loss	Nakamura Shigeru	2894.48
5	White	Draw	Kamiya Shunsuke	2579.00
45 Kyoto Classified Tournament
Date	2013-11-10		Rating	2761.25
Round	Color	Result	Opponent
S1	White	Win	Ishitani Shin-ichi	2428.23
S2	Black	Draw	Oosumi Yuuki	2842.91
S3	Black	Win	Hata Masayuki	2253.53
S4	Black	Win	Hasegawa Kazuto	2628.55
S5	Black	Win	Mano Yoshihisa	2317.38
51 Meijinsen Tournament
Date	2013-09-16		Rating	2756.94
Round	Color	Result	Opponent
1	Black	Win	Yamaguchi Yusui	2594.07
2	Black	Win	Kawano Takahisa	2374.07
3	White	Win	Kawate Kozo	2194.99
4	Black	Win	Hasegawa Kazuto	2624.87
5	White	Win	Mano Yoshihisa	2318.63
6	Black	Win	Kamiya Shunsuke	2561.76
7	Black	Loss	Oosumi Yuuki	2848.35
8	Black	Win	Sato Kiyotomi	2473.89
9	White	Win	Hata Masayuki	2260.34
ex	Black	Loss	Oosumi Yuuki	2848.35
World Championship 2013, AT
Date	2013-08-14		Rating	2752.40
Round	Color	Result	Opponent
1	Black	Draw	Chen Ko-Han	2685.06
2	White	Win	Lan Zhiren	2637.96
3	White	Win	Hõbemägi Martin	2588.77
4	White	Loss	Sushkov Vladimir	2825.42
5	White	Draw	Oosumi Yuuki	2850.02
6	White	Loss	Epifanov Dmitry	2688.81
7	Black	Win	Salnikov Pavel	2603.70
8	White	Draw	Oll Aivo	2737.35
9	White	Loss	Taimla Tunnet	2880.86
10	White	Draw	Cao Dong	2748.32
11	Black	Loss	Wang Qingqing	2650.88
World Championship 2013, QT
Date	2013-08-05		Rating	2752.18
Round	Color	Result	Opponent
1	White	Win	Hõbemägi Martin	2589.19
2	Black	Win	Miyagawa Junzo	2224.05
3	White	Draw	Sushkov Vladimir	2824.50
4	Black	Win	Pajuste Renee	2629.76
5	White	Draw	Oll Aivo	2737.44
6	Black	Draw	Fedorkin Oleg	2671.16
7	Black	Draw	Salnikov Pavel	2605.78
29th Kanto Championship
Date	2013-05-12		Rating	2746.10
Round	Color	Result	Opponent
1	Black	Win	Iwano Fumio	2184.34
2	Black	Win	Kamiya Shunsuke	2539.52
3	Black	Win	Ishitani Shin-ichi	2387.34
4	White	Win	Nakamura Shigeru	2868.03
5	Black	Win	Kudomi Takahiro	2414.09
5th Tohoku Championship
Date	2013-04-14		Rating	2740.42
Round	Color	Result	Opponent
1	White	Win	Gakumazawa Hideaki	2131.12
2	Black	Win	Kudomi Takahiro	2419.42
3	Black	Win	Kusajima Masato	2215.28
4	White	Win	Maruta Hiroki	2147.96
5	Black	Win	Fukui Nobuhiro	2575.03
8th All Japan Championship
Date	2013-03-24		Rating	2734.94
Round	Color	Result	Opponent
1	White	Win	Kobayashi Koichi	2214.37
2	Black	Draw	Kamiya Shunsuke	2530.88
3	Black	Win	Isobe Taizan	2406.24
4	Black	Win	Iio Yoshihiro	2487.70
5	Black	Loss	Nakamura Shigeru	2870.43
6	White	Loss	Oosumi Yuuki	2847.43
13 Kanto Renju Emperor Tournament final match
Date	2013-02-17		Rating	2727.95
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2875.86
2	Black	Draw	Nakamura Shigeru	2875.86
3	Black	Draw	Nakamura Shigeru	2875.86
16th Mikami Cup Tournament
Date	2013-01-20		Rating	2722.03
Round	Color	Result	Opponent
S1	Black	Win	Mitsumori Masao	2345.59
S2	White	Win	Ishitani Shin-ichi	2369.80
S3	White	Loss	Nakamura Shigeru	2880.19
S4	White	Win	Ono Takayuki	2418.44
S5	White	Loss	Fukui Nobuhiro	2569.00
13 Kanto Renju Emperor Tournament 2nd round
Date	2013-01-13		Rating	2721.04
Round	Color	Result	Opponent
1	Black	Loss	Kudomi Takahiro	2423.73
2	Black	Win	Fukui Nobuhiro	2568.10
3	Black	Win	Isobe Taizan	2409.96
4	White	Win	Ishitani Shin-ichi	2368.74
5	White	Loss	Nakamura Shigeru	2880.92
44 Kyoto Classified Tournament
Date	2012-11-11		Rating	2716.17
Round	Color	Result	Opponent
S1	Black	Win	Ishitani Shin-ichi	2365.05
S2	White	Draw	Hasegawa Kazuto	2596.06
S3	Black	Win	Miyagawa Junzo	2216.62
S4	Black	Win	Kudomi Takahiro	2422.78
S5	Black	Loss	Oosumi Yuuki	2829.42
13 Kanto Renju Emperor Tournament 1st round
Date	2012-10-21		Rating	2714.98
Round	Color	Result	Opponent
1	Black	Win	Tomobe Katsuhiro	2192.65
2	Black	Win	Maruta Hiroki	2122.37
3	Black	Draw	Fukui Nobuhiro	2554.32
4	Black	Win	Tada Ayako	2307.18
50th Meijinsen Tournament
Date	2012-09-17		Rating	2713.23
Round	Color	Result	Opponent
1	Black	Win	Nagasoe Hiroki	2553.35
2	Black	Loss	Nakamura Shigeru	2883.83
3	White	Win	Ono Takayuki	2432.36
4	Black	Win	Nakayama Tomoharu	2628.19
5	Black	Win	Matsuura Hiroshi	2331.15
6	White	Loss	Yamaguchi Yusui	2655.90
7	Black	Win	Iio Yoshihiro	2472.43
8	Black	Draw	Fukui Nobuhiro	2545.32
9	White	Win	Hasegawa Kazuto	2585.53
29th Kanto Championship
Date	2012-05-13		Rating	2701.39
Round	Color	Result	Opponent
1	Black	Win	Tada Ayako	2286.32
2	White	Loss	Nakamura Shigeru	2887.25
3	White	Win	Fukui Nobuhiro	2511.78
4	Black	Win	Matsuoka Teruo	2019.23
5	Black	Win	Kudomi Takahiro	2429.79
Team World Championship 2012
Date	2012-05-06		Rating	2700.53
Round	Color	Result	Opponent
1	White	Draw	He Qifa	2635.57
2	Black	Win	Piddubny Konstantin	2273.19
3	White	Draw	Chingin Konstantin	2823.94
4	Black	Loss	Yang Yu-Hsiung	2498.22
5	Black	Win	Lents Johann	2548.80
7	Black	Draw	Yin Licheng	2540.02
8	Black	Loss	He Qifa	2635.57
9	White	Draw	Chen Wei	2473.05
10	White	Win	Yin Licheng	2540.02
7th All Japan Championship
Date	2012-01-29		Rating	2700.65
Round	Color	Result	Opponent
1	White	Win	Miyoshi Takeo	2167.23
2	White	Loss	Isobe Taizan	2424.17
3	White	Draw	Kamiya Shunsuke	2461.96
4	White	Win	Fukui Nobuhiro	2489.71
5	White	Win	Tamada Yoichi	2489.52
6	White	Loss	Oosumi Yuuki	2792.88
12 Kanto Renju Emperor Tournament 2nd round
Date	2012-01-15		Rating	2702.22
Round	Color	Result	Opponent
1	White	Win	Kamiya Shunsuke	2458.96
2	Black	Win	Mitsumori Masao	2371.53
3	Black	Win	Nakayama Tomoharu	2603.11
4	Black	Loss	Nakamura Shigeru	2877.83
5	Black	Loss	Oosumi Yuuki	2791.43
43 Kyoto Classified Tournament
Date	2011-11-13		Rating	2708.94
Round	Color	Result	Opponent
S1	Black	Win	Hasegawa Kazuto	2557.72
S2	Black	Win	Doi Manabu	2111.86
S3	Black	Win	Miyagawa Junzo	2223.18
S4	Black	Win	Oosumi Yuuki	2777.61
S5	White	Win	Ishitani Shin-ichi	2395.06
12 Kanto Renju Emperor Tournament 1st round
Date	2011-10-23		Rating	2708.57
Round	Color	Result	Opponent
1	White	Win	Kato Yasuhiro	2074.21
2	Black	Win	Kudomi Takahiro	2422.90
3	Black	Loss	Nakayama Tomoharu	2590.79
4	Black	Win	Ishitani Shin-ichi	2395.33
49th Meijinsen Tournament
Date	2011-09-19		Rating	2709.22
Round	Color	Result	Opponent
1	White	Win	Kubo Izumi	2114.49
2	Black	Win	Miyoshi Takeo	2162.29
3	White	Win	Sakashita Shoichi	2147.99
4	White	Win	Matsuura Hiroshi	2383.16
5	Black	Loss	Yamaguchi Yusui	2655.89
6	Black	Win	Nakayama Tomoharu	2582.15
7	White	Win	Iio Yoshihiro	2496.09
8	White	Win	Hasegawa Kazuto	2560.14
9	White	Win	Kashihara Akihiko	2260.65
World Championship 2011, AT
Date	2011-08-10		Rating	2707.38
Round	Color	Result	Opponent
1	Black	Loss	Lin Huang-Yu	2785.84
2	Black	Draw	Artemyev Sergey	2605.11
3	Black	Win	Hou I-Cheng	2506.00
4	Black	Draw	Oosumi Yuuki	2754.73
5	White	Win	Oll Aivo	2704.05
6	Black	Draw	Cao Dong	2700.01
7	White	Loss	Taimla Tunnet	2803.60
8	White	Win	Andersson Tord	2441.48
9	Black	Loss	Huang Jin-xian	2617.01
10	White	Draw	Sushkov Vladimir	2778.47
11	Black	Loss	Dai Xiaohan	2701.50
World Championship 2011, QT
Date	2011-08-03		Rating	2707.81
Round	Color	Result	Opponent
1	White	Win	Ono Takayuki	2400.28
2	White	Win	Dai Xiaohan	2702.84
3	Black	Draw	Kise Katsumi	2555.52
4	Black	Draw	Kawamura Norihiko	2625.40
5	Black	Win	Hõbemägi Martin	2421.85
6	Black	Win	Nikonov Konstantin	2652.03
7	White	Draw	Soosõrv Ants	2755.65
6th All Japan Championship
Date	2011-03-27		Rating	2701.83
Round	Color	Result	Opponent
1	Black	Win	Tada Ayako	2210.40
2	White	Win	Mano Yoshihisa	2277.86
3	Black	Draw	Tamada Yoichi	2516.88
4	Black	Win	Iio Yoshihiro	2513.23
5	Black	Win	Kise Katsumi	2535.24
6	White	Loss	Oosumi Yuuki	2741.04
11 Kanto Renju Emperor Tournament final match
Date	2010-12-26		Rating	2697.83
Round	Color	Result	Opponent
1	White	Loss	Nakamura Shigeru	2861.48
2	Black	Loss	Nakamura Shigeru	2861.48
11 Kanto Renju Emperor Tournament 2nd round
Date	2010-11-21		Rating	2698.48
Round	Color	Result	Opponent
1	Black	Win	Fukui Nobuhiro	2352.47
2	Black	Win	Nakayama Tomoharu	2526.15
3	White	Win	Kudomi Takahiro	2414.61
4	Black	Win	Mitsumori Masao	2326.77
5	Black	Draw	Nakamura Shigeru	2861.43
42 Kyoto Classified Tournament
Date	2010-11-14		Rating	2697.92
Round	Color	Result	Opponent
S1	Black	Loss	Okumura Toyohiko	2334.77
S2	White	Win	Kubo Izumi	2106.08
S3	White	Win	Hata Masayuki	2180.27
S4	White	Win	Hasegawa Kazuto	2633.72
S5	White	Loss	Oosumi Yuuki	2722.56
11 Kanto Renju Emperor Tournament 1st round
Date	2010-10-31		Rating	2698.16
Round	Color	Result	Opponent
1	White	Win	Fujikawa Masaki	2086.36
2	Black	Win	Maruta Koji	2111.99
3	Black	Win	Mitsumori Masao	2326.25
4	Black	Draw	Oosumi Yuuki	2718.22
48th Meijinsen Tournament
Date	2010-09-20		Rating	2697.97
Round	Color	Result	Opponent
1	White	Win	Koiso Shigemasa	2175.19
2	Black	Win	Sakamoto Suzan	2352.90
3	Black	Loss	Oosumi Yuuki	2704.77
4	Black	Draw	Iio Yoshihiro	2531.82
5	White	Win	Tamada Yoichi	2499.74
6	White	Win	Kawano Takahisa	2323.09
7	Black	Win	Ishitani Shin-ichi	2392.78
8	White	Win	Matsuura Hiroshi	2393.49
9	Black	Loss	Yamaguchi Yusui	2593.17
27th Kanto Championship
Date	2010-05-23		Rating	2704.74
Round	Color	Result	Opponent
1	Black	Win	Ono Takayuki	2392.87
2	White	Win	Tamura Kazumasa	2512.91
3	White	Loss	Nakamura Shigeru	2859.69
4	Black	Win	Ishitani Shin-ichi	2400.01
5	Black	Win	Oosumi Yuuki	2667.85
Team World Championship 2010
Date	2010-05-05		Rating	2704.37
Round	Color	Result	Opponent
1	White	Loss	Nagao Noriaki	2376.94
3	Black	Win	Yin Licheng	2518.12
4	Black	Win	Chen Ko-Han	2567.91
5	Black	Draw	Epifanov Dmitry	2560.13
6	Black	Win	Eibatov Nizami	2316.89
7	White	Win	Purk Andry	2668.87
8	Black	Win	Chen Ko-Han	2567.91
9	Black	Loss	Yin Licheng	2518.12
10	White	Win	Purk Andry	2668.87
5th All Japan Championship
Date	2010-03-21		Rating	2703.10
Round	Color	Result	Opponent
1	Black	Win	Kobayashi Koichi	2133.23
2	Black	Win	Isobe Taizan	2395.44
3	White	Win	Nagao Noriaki	2374.37
4	White	Win	Tamura Kazumasa	2514.84
5	White	Win	Ishitani Shin-ichi	2399.41
6	Black	Win	Nakamura Shigeru	2854.98
10 Kanto Renju Emperor Tournament final match
Date	2010-02-21		Rating	2697.89
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2856.98
2	Black	Win	Nakamura Shigeru	2856.98
3	Black	Loss	Nakamura Shigeru	2856.98
13th Mikami Cup Tournament
Date	2010-01-31		Rating	2693.66
Round	Color	Result	Opponent
S1	Black	Win	Hara Masao	2007.30
S2	Black	Win	Isobe Taizan	2396.88
S3	White	Win	Ishitani Shin-ichi	2389.16
10 Kanto Renju Emperor Tournament 2nd round
Date	2009-12-20		Rating	2683.69
Round	Color	Result	Opponent
1	Black	Win	Tamura Kazumasa	2511.38
2	Black	Win	Ono Takayuki	2390.23
3	White	Loss	Nakamura Shigeru	2859.85
4	Black	Win	Nagao Noriaki	2353.36
5	Black	Draw	Tamada Yoichi	2421.67
40th Kyoto Classified - Special class
Date	2009-11-09		Rating	2674.09
Round	Color	Result	Opponent
1	White	Win	Sakamoto Suzan	2324.17
2	Black	Draw	Iio Yoshihiro	2522.10
3	Black	Win	Miyagawa Junzo	2201.01
4	Black	Loss	Oosumi Yuuki	2631.53
5	Black	Draw	Tamura Kazumasa	2510.47
41 Kyoto Classified Tournament
Date	2009-11-08		Rating	2673.95
Round	Color	Result	Opponent
S1	White	Win	Kudomi Takahiro	2366.57
S2	Black	Win	Mano Yoshihisa	2321.88
S3	Black	Loss	Miyoshi Takeo	2157.82
S4	Black	Loss	Iio Yoshihiro	2522.02
S5	White	Win	Sakamoto Suzan	2323.97
10 Kanto Renju Emperor Tournament 1st round
Date	2009-10-04		Rating	2673.86
Round	Color	Result	Opponent
1	Black	Win	Fujikawa Masaki	2051.41
2	Black	Win	Iwano Fumio	2149.98
3	Black	Win	Oosumi Yuuki	2627.29
4	White	Draw	Ono Takayuki	2402.55
47th Meijinsen tournament
Date	2009-09-22		Rating	2673.59
Round	Color	Result	Opponent
1	Black	Win	Kawamura Norihiko	2634.58
2	White	Win	Kataoka Mitsuaki	2259.66
3	Black	Win	Ishitani Shin-ichi	2370.41
4	Black	Loss	Tamura Kazumasa	2508.32
5	White	Win	Matsuura Hiroshi	2367.41
6	Black	Win	Sakamoto Suzan	2313.71
7	Black	Draw	Oosumi Yuuki	2627.39
8	Black	Win	Iio Yoshihiro	2516.91
9	Black	Win	Yamaguchi Yusui	2576.52
World Championship 2009, AT
Date	2009-08-13		Rating	2669.12
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2854.82
2	White	Win	Ono Takayuki	2407.35
3	Black	Loss	Cao Dong	2709.92
4	Black	Loss	Purk Andry	2680.25
5	White	Win	Chen Ko-Han	2554.96
6	White	Win	Kozhin Mikhail	2662.08
7	White	Loss	Karasyov Maxim	2608.47
8	White	Loss	Sushkov Vladimir	2808.75
9	Black	Loss	Wu Di	2655.24
10	Black	Loss	Taimla Tunnet	2836.34
11	Black	Win	Nykl Ondřej	2552.69
World Championship 2009, QT
Date	2009-08-05		Rating	2669.58
Round	Color	Result	Opponent
1	White	Loss	Savrasova Yulia	2660.87
2	Black	Win	Yao Jinrui	2341.54
3	Black	Win	Ono Takayuki	2408.78
4	White	Win	Yin Licheng	2501.18
5	Black	Draw	Nowakowski Maciej	2508.73
6	White	Win	Lin Huang-Yu	2605.16
7	Black	Draw	Cao Dong	2708.55
26th Kanto Championship
Date	2009-05-17		Rating	2671.31
Round	Color	Result	Opponent
1	Black	Win	Ono Takayuki	2410.45
2	Black	Win	Nagao Noriaki	2289.28
3	Black	Draw	Yamaguchi Yusui	2570.25
4	Black	Draw	Nakamura Shigeru	2858.35
5	Black	Draw	Tamura Kazumasa	2516.10
4th All Japan Championship
Date	2009-03-21		Rating	2671.41
Round	Color	Result	Opponent
1	White	Win	Nagao Noriaki	2273.45
2	White	Loss	Ishitani Shin-ichi	2391.64
3	Black	Win	Sakamoto Suzan	2294.92
4	White	Draw	Oosumi Yuuki	2612.82
5	Black	Draw	Mitsumori Masao	2349.47
6	White	Win	Ono Takayuki	2414.52
9 Kanto Renju Emperor Tournament final match
Date	2009-02-08		Rating	2675.59
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2860.13
2	White	Draw	Nakamura Shigeru	2860.13
3	Black	Win	Nakamura Shigeru	2860.13
4	White	Loss	Nakamura Shigeru	2860.13
12th Mikami Cup Tournament
Date	2009-01-18		Rating	2676.63
Round	Color	Result	Opponent
S1	White	Draw	Kawamura Norihiko	2657.36
S2	Black	Loss	Nagao Noriaki	2266.72
S3	Black	Win	Isobe Taizan	2400.51
S4	White	Win	Oosumi Yuuki	2592.25
S5	White	Loss	Nakamura Shigeru	2861.56
46 Meijinsen Match R3-R4
Date	2008-11-23		Rating	2683.44
Round	Color	Result	Opponent
3	Black	Loss	Hasegawa Kazuto	2740.13
9th Kanto Renju Emperor Tournament, 2nd round
Date	2008-11-16		Rating	2684.61
Round	Color	Result	Opponent
1	White	Win	Kudomi Takahiro	2356.64
2	Black	Win	Sato Kiyotomi	2452.19
3	White	Win	Nakayama Tomoharu	2290.15
4	White	Win	Kato Yasuhiro	2001.92
5	Black	Draw	Nakamura Shigeru	2860.94
9th Kanto Renju Emperor Tournament, 1st round
Date	2008-10-26		Rating	2686.54
Round	Color	Result	Opponent
1	Black	Win	Tanizaki Ryusuke	2128.74
2	Black	Draw	Ono Takayuki	2410.76
3	Black	Win	Nakayama Tomoharu	2287.02
4	White	Win	Tamada Yoichi	2269.29
46 Meijinsen Match R1-R2
Date	2008-10-19		Rating	2687.27
Round	Color	Result	Opponent
1	White	Draw	Hasegawa Kazuto	2744.63
2	Black	Loss	Hasegawa Kazuto	2744.63
46th Meijinsen Tournament
Date	2008-09-15		Rating	2692.11
Round	Color	Result	Opponent
1	White	Draw	Kawamura Norihiko	2663.50
2	Black	Win	Matsuura Hiroshi	2328.69
3	White	Win	Iio Yoshihiro	2508.78
4	Black	Win	Ishitani Shin-ichi	2396.95
5	Black	Win	Oosumi Yuuki	2561.41
6	Black	Win	Kataoka Mitsuaki	2251.96
7	White	Win	Yamaguchi Yusui	2583.47
8	Black	Win	Hata Masayuki	2261.02
9	White	Win	Sato Kiyotomi	2444.33
Youth World Championship 2008
Date	2008-08-10		Rating	2691.25
Round	Color	Result	Opponent
A1	White	Win	Zajk Michał	2373.79
A2	White	Win	Tamioła Artur	2403.33
A3	White	Draw	Oll Aivo	2754.49
A4	White	Win	Lents Johann	2482.50
A5	White	Loss	Demján Attila	2747.37
A6	White	Draw	Purk Andry	2641.44
A7	Black	Draw	Ilu Timo	2562.69
A8	White	Win	Tamada Yoichi	2248.91
A9	White	Win	Myasoyedov Yevgeni	2366.64
A10	White	Win	Laube Pavel	2467.63
A11	Black	Win	Andrzejewski Wawrzyniec	2285.14
RIF 20 years anniversary celebration tournament
Date	2008-08-07		Rating	2691.02
Round	Color	Result	Opponent
1	White	Draw	Karlsson Stefan	2598.51
2	White	Win	Sobolev Pavel	2177.35
3	White	Win	Jonsson Peter	2331.26
4	Black	Win	Poghosyan Albert	2380.21
5	Black	Win	Nykl Ondřej	2466.44
6	Black	Win	Ono Takayuki	2407.79
25th Kanto Championship
Date	2008-05-18		Rating	2679.95
Round	Color	Result	Opponent
1	White	Win	Maruta Hiroki	2038.79
2	Black	Win	Tamada Yoichi	2224.55
3	Black	Loss	Nakamura Shigeru	2860.22
4	Black	Win	Isobe Taizan	2426.21
5	White	Win	Arita Nobuyoshi	2394.62
3rd All Japan Championship
Date	2008-03-23		Rating	2671.16
Round	Color	Result	Opponent
1	Black	Win	Tamada Yoichi	2207.84
2	Black	Draw	Kudomi Takahiro	2335.69
3	Black	Win	Sato Kiyotomi	2416.94
4	Black	Loss	Nakamura Shigeru	2857.39
5	White	Win	Ono Takayuki	2396.61
6	Black	Draw	Isobe Taizan	2437.20
8 Kanto Renju Emperor Tournament final match
Date	2008-02-24		Rating	2668.32
Round	Color	Result	Opponent
1	White	Draw	Nakamura Shigeru	2856.66
2	Black	Win	Nakamura Shigeru	2856.66
3	Black	Loss	Nakamura Shigeru	2856.66
4	White	Loss	Nakamura Shigeru	2856.66
8th Kanto Renju Emperor Tournament 2nd round
Date	2007-12-16		Rating	2657.41
Round	Color	Result	Opponent
1	Black	Loss	Ishitani Shin-ichi	2401.65
2	White	Loss	Nakamura Shigeru	2858.66
3	White	Win	Kurata Kiyotaka	2275.99
4	Black	Win	Isobe Taizan	2436.44
5	White	Win	Ono Takayuki	2387.20
39th Kyoto Classified - Special Class
Date	2007-11-11		Rating	2654.13
Round	Color	Result	Opponent
1	Black	Win	Sakamoto Suzan	2278.38
2	White	Win	Okumura Toyohiko	2324.81
3	Black	Draw	Hasegawa Kazuto	2768.70
4	White	Win	Oosumi Yuuki	2559.53
5	Black	Win	Iio Yoshihiro	2535.66
The 45th Meijin-sen Tournament
Date	2007-09-17		Rating	2642.27
Round	Color	Result	Opponent
1	Black	Win	Miyoshi Takeo	2303.73
2	White	Win	Kawamura Norihiko	2632.64
3	White	Win	Iio Yoshihiro	2538.81
4	White	Win	Hiwatashi Kikuma	1888.10
5	Black	Win	Sato Kiyotomi	2399.93
6	Black	Loss	Yamaguchi Yusui	2654.46
7	White	Loss	Oosumi Yuuki	2556.95
8	White	Win	Isobe Taizan	2436.95
9	White	Win	Matsuura Hiroshi	2302.58
World Championship 2007, AT
Date	2007-08-15		Rating	2633.57
Round	Color	Result	Opponent
1	White	Draw	Savrasova Yulia	2697.21
2	White	Win	Iio Yoshihiro	2540.46
3	Black	Win	Oll Aivo	2656.37
4	White	Draw	Karlsson Stefan	2613.35
5	White	Loss	Yamaguchi Yusui	2657.76
6	White	Loss	Wu Di	2706.37
7	Black	Loss	Taimla Tunnet	2785.47
8	White	Loss	Chingin Konstantin	2800.65
9	Black	Loss	Sushkov Vladimir	2759.84
10	Black	Draw	Kozhin Mikhail	2595.89
11	White	Loss	Purk Andry	2652.44
World Championship 2007, QT
Date	2007-08-08		Rating	2632.76
Round	Color	Result	Opponent
1	White	Win	Eriksson Marcus	2303.29
2	White	Win	Ikonen Jussi	2264.81
3	Black	Draw	Iio Yoshihiro	2541.10
4	Black	Win	Oosumi Yuuki	2548.97
5	Black	Win	Lin Huang-Yu	2523.54
6	Black	Draw	Poghosyan Albert	2389.53
7	White	Loss	Wu Di	2704.39
24th Kanto Championship Tournament
Date	2007-05-06		Rating	2620.34
Round	Color	Result	Opponent
1	Black	Win	Iwano Fumio	2158.84
2	White	Win	Kubo Izumi	2100.29
3	Black	Win	Sato Kiyotomi	2421.67
4	White	Win	Isobe Taizan	2432.00
5	Black	Win	Kudomi Takahiro	2335.84
The 5th Shanghai Renju Meijin Invitation Tournament
Date	2007-05-03		Rating	2619.69
Round	Color	Result	Opponent
1	Black	Loss	Yamaguchi Yusui	2647.57
2	Black	Win	Ge Chongyu	2392.86
3	Black	Loss	Cao Dong	2628.64
SF1	Black	Win	Mitsumori Masao	2271.15
SF2	Black	Draw	Isobe Taizan	2431.99
SF3	Black	Loss	Zhu Jianfeng	2517.89
SF4	White	Draw	Zhang Yifeng	2383.11
7th Kanto Renju Emperor Tournament - Final
Date	2007-02-25		Rating	2618.51
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2851.27
2	Black	Draw	Nakamura Shigeru	2851.27
3	Black	Draw	Nakamura Shigeru	2851.27
The 7th Kanto Renju Emperor Tournament, 2nd round
Date	2006-12-10		Rating	2613.92
Round	Color	Result	Opponent
	White	Win	Hara Masao	2085.70
	White	Win	Kudomi Takahiro	2297.97
	White	Win	Nagao Noriaki	2244.59
	White	Win	Sato Kiyotomi	2434.35
	Black	Loss	Nakamura Shigeru	2852.56
38th Kyoto Classified - Special class
Date	2006-11-12		Rating	2611.16
Round	Color	Result	Opponent
1	White	Win	Miyagawa Junzo	2274.75
2	Black	Win	Miyoshi Takeo	2283.55
3	White	Win	Miyagawa Sou	2176.37
4	Black	Win	Takashima Junya	2507.93
5	White	Draw	Oosumi Yuuki	2474.90
The 44th Meijin-sen Tournament
Date	2006-09-18		Rating	2602.66
Round	Color	Result	Opponent
1	Black	Loss	Yamaguchi Yusui	2639.18
2	Black	Win	Iio Yoshihiro	2513.44
3	Black	Win	Nagao Noriaki	2243.54
4	White	Draw	Fujii Naoki	2137.85
5	Black	Loss	Kawamura Norihiko	2666.59
6	White	Win	Sato Kiyotomi	2442.81
7	White	Win	Ishitani Shin-ichi	2363.52
8	Black	Draw	Oosumi Yuuki	2455.33
9	White	Win	Matsuura Hiroshi	2301.10
Asian Championship 2006
Date	2006-08-15		Rating	2598.80
Round	Color	Result	Opponent
1	White	Win	Yoon Seong-Won	1832.51
2	White	Win	Kim Kyu-Cheol	2002.42
3	White	Loss	Kim Chang-Hoon	2544.18
4	White	Win	Choi Yun Suk	2269.95
5	Black	Win	Kim Gyu-Hyeon	2493.70
6	White	Win	Kim Byoung-Jun	2505.73
7	White	Draw	Yamaguchi Yusui	2636.88
8	Black	Win	Iio Yoshihiro	2512.61
Youth World Championship 2006
Date	2006-08-08		Rating	2597.43
Round	Color	Result	Opponent
a1	White	Draw	Takashima Junya	2503.93
a2	Black	Loss	Duan Ran	2352.39
a3	Black	Win	Hallkvist Joel	2060.34
a4	White	Win	Maruta Hiroki	1997.60
a5	White	Draw	Zhang Cheng	2455.04
a6	Black	Loss	Lents Johann	2512.53
a7	White	Win	Blomstedt Torbjorn	2125.82
a8	Black	Draw	Qiu Yunfei	2526.23
23rd Kanto Championship
Date	2006-05-21		Rating	2596.91
Round	Color	Result	Opponent
1	Black	Win	Ono Takayuki	2300.06
2	White	Win	Tadokoro Hosai	1935.29
3	Black	Draw	Mitsumori Masao	2259.22
4	White	Win	Arita Nobuyoshi	2369.95
5	White	Draw	Yamaguchi Yusui	2638.56
Team World Championship 2006
Date	2006-05-05		Rating	2596.67
Round	Color	Result	Opponent
1	Black	Draw	Saarenpää Samuli	2463.35
2	Black	Win	Karlsson Stefan	2556.15
3	Black	Loss	Meritee Ando	2866.84
4	Black	Win	Salnikov Pavel	2537.57
5	Black	Win	Chen Wei	2542.99
6	Black	Loss	Sushkov Vladimir	2724.56
7	Black	Loss	Ilu Timo	2567.25
F1	Black	Win	Karlsson Stefan	2556.15
F2	Black	Loss	Karlsson Stefan	2556.15
6th Kanto Renju Emperor Tournament - Final match
Date	2005-12-04		Rating	2595.44
Round	Color	Result	Opponent
1	White	Win	Yamaguchi Yusui	2604.16
2	Black	Loss	Yamaguchi Yusui	2604.16
3	White	Draw	Yamaguchi Yusui	2604.16
4	Black	Win	Yamaguchi Yusui	2604.16
37th Kyoto Classified - Special class
Date	2005-11-13		Rating	2593.98
Round	Color	Result	Opponent
1	Black	Draw	Ishitani Shin-ichi	2393.66
2	White	Win	Yamaguchi Yusui	2599.19
3	White	Win	Takashima Junya	2518.43
4	White	Draw	Iio Yoshihiro	2480.79
5	Black	Draw	Miyoshi Takeo	2280.16
6th Kanto Renju Emperor Tournament - Semifinal
Date	2005-10-23		Rating	2592.24
Round	Color	Result	Opponent
	White	Draw	Yamaguchi Yusui	2596.36
	Black	Loss	Isobe Taizan	2458.43
	Black	Win	Kamemoto Daichi	2181.27
	Black	Win	Sato Kiyotomi	2395.25
	Black	Win	Koyama Jun	2300.41
The 43rd Meijin-sen Tournament
Date	2005-09-19		Rating	2590.14
Round	Color	Result	Opponent
1	Black	Win	Oosumi Yuuki	2392.67
2	Black	Loss	Takashima Junya	2510.76
3	Black	Draw	Ishitani Shin-ichi	2399.19
4	White	Win	Matsuura Hiroshi	2350.22
5	White	Loss	Hasegawa Kazuto	2703.54
6	Black	Win	Tanaka Koichi	2334.20
7	White	Win	Sato Kiyotomi	2393.10
8	White	Win	Kawate Kozo	2174.00
9	Black	Win	Yamaguchi Yusui	2590.29
World Championship 2005, AT
Date	2005-08-07		Rating	2586.27
Round	Color	Result	Opponent
1	Black	Loss	Purk Andry	2569.59
2	Black	Loss	Chingin Konstantin	2737.25
3	Black	Draw	Artemyev Sergey	2653.21
4	Black	Draw	Taimla Tunnet	2754.99
5	Black	Draw	Karlsson Stefan	2544.74
6	White	Win	Savrasova Yulia	2660.01
7	Black	Draw	Hermansson Hannes	2422.62
8	Black	Loss	Meritee Ando	2852.21
9	Black	Draw	Sushkov Vladimir	2698.12
10	Black	Draw	Tarannikov Yuriy	2613.85
11	Black	Win	Andersson Tord	2385.13
43rd Meijinsen Qualification: East Japan Final
Date	2005-07-11		Rating	2583.60
Round	Color	Result	Opponent
	White	Loss	Sato Kiyotomi	2395.34
	Black	Draw	Itami Yoshiyuki	2190.01
	Black	Win	Mitsumori Masao	2276.30
43rd Meijinsen Qualification: East Japan 1st round
Date	2005-06-12		Rating	2583.97
Round	Color	Result	Opponent
1	Black	Win	Tanno Yoshitaka	2094.34
2	White	Win	Ono Takayuki	2292.86
3	Black	Win	Itami Yoshiyuki	2189.89
4	Black	Loss	Mitsumori Masao	2273.93
22nd Kanto Championship
Date	2005-05-22		Rating	2585.52
Round	Color	Result	Opponent
1	White	Win	Matsuoka Teruo	1859.78
2	Black	Win	Kamemoto Daichi	2132.68
3	Black	Win	Yamaguchi Yusui	2562.91
4	White	Win	Kawamura Norihiko	2693.11
5	Black	Draw	Isobe Taizan	2466.68
Japan WC Qualification tournament
Date	2005-04-03		Rating	2583.49
Round	Color	Result	Opponent
1	White	Win	Arita Nobuyoshi	2302.64
2	Black	Win	Miyagawa Junzo	2254.05
3	Black	Loss	Isobe Taizan	2463.88
4	Black	Draw	Ono Takayuki	2296.23
5	White	Win	Oosumi Yuuki	2370.50
6	White	Win	Matsuura Hiroshi	2390.00
5th Kanto Renju Emperor Tournament - Final
Date	2005-01-30		Rating	2582.52
Round	Color	Result	Opponent
1	White	Win	Yamaguchi Yusui	2561.82
2	Black	Win	Yamaguchi Yusui	2561.82
5th Kanto Renju Emperor Tournament - 2nd round
Date	2004-12-19		Rating	2577.49
Round	Color	Result	Opponent
	White	Win	Mitsumori Masao	2247.48
	White	Win	Kudomi Takahiro	2329.47
	White	Win	Ono Takayuki	2294.46
	White	Win	Sato Kiyotomi	2369.18
	Black	Loss	Yamaguchi Yusui	2569.03
5th Kanto Renju Emperor Tournament - 1st round
Date	2004-11-28		Rating	2574.49
Round	Color	Result	Opponent
1	Black	Win	Maruta Hiroki	1958.76
2	White	Win	Nagao Noriaki	2246.73
3	Black	Win	Arita Nobuyoshi	2280.89
4	White	Draw	Sato Kiyotomi	2369.15
The 42nd Meijin-sen Tournament
Date	2004-09-20		Rating	2564.26
Round	Color	Result	Opponent
1	Black	Loss	Iio Yoshihiro	2457.20
2	Black	Win	Sakamoto Suzan	2293.10
3	Black	Draw	Takagawa Teiji	2337.25
4	White	Draw	Kawamura Norihiko	2721.91
5	White	Draw	Matsuura Hiroshi	2405.92
6	White	Draw	Ishitani Shin-ichi	2378.57
7	White	Loss	Saito Koji	2193.02
8	Black	Win	Sakashita Shoichi	2206.45
9	White	Loss	Hasegawa Kazuto	2657.22
Youth World Championship 2004
Date	2004-08-06		Rating	2568.37
Round	Color	Result	Opponent
4	White	Win	Lysakov Mikhail	2435.47
9	Black	Win	Mossinyan David	2245.31
A1	White	Win	Miyagawa Sou	2118.37
A2	White	Win	Vershinin Pavel	2594.82
A3	White	Win	Tamura Kazumasa	2335.14
A5	White	Win	Oll Aivo	2466.99
A6	White	Win	Ilu Timo	2531.41
A7	White	Win	Lents Johann	2553.03
A8	White	Win	Purk Andry	2439.04
A10	White	Win	Antanyan Samvel	2218.16
A11	White	Loss	Nagao Noriaki	2254.56
42nd Meijinsen Qualification: East Japan 2nd round
Date	2004-07-11		Rating	2564.59
Round	Color	Result	Opponent
	White	Loss	Kawamura Norihiko	2722.84
	Black	Loss	Sato Kiyotomi	2357.70
	White	Win	Kudomi Takahiro	2328.69
4th Kanto Renju Emperor Tournament - Final
Date	2004-02-29		Rating	2557.82
Round	Color	Result	Opponent
1	Black	Draw	Yamaguchi Yusui	2594.90
2	Black	Win	Yamaguchi Yusui	2594.90
3	Black	Loss	Yamaguchi Yusui	2594.90
4	Black	Loss	Yamaguchi Yusui	2594.90
7th Mikami Cup - Special Class
Date	2004-01-25		Rating	2557.15
Round	Color	Result	Opponent
1	Black	Draw	Mitsumori Masao	2262.05
2	Black	Loss	Yamaguchi Yusui	2595.76
4	White	Win	Kudomi Takahiro	2323.36
4th Kanto Renju Emperor Tournament - 2nd round
Date	2003-11-30		Rating	2559.72
Round	Color	Result	Opponent
	White	Win	Nagao Noriaki	2282.53
	White	Win	Mitsumori Masao	2267.86
	White	Win	Maruta Koji	2230.34
	White	Win	Isobe Taizan	2424.73
	White	Draw	Yamaguchi Yusui	2595.53
4th Kanto Renju Emperor Tournament - 1st round
Date	2003-11-16		Rating	2559.08
Round	Color	Result	Opponent
1	Black	Win	Sasaki Miyu	1940.23
2	White	Win	Sato Takuma	2145.83
3	Black	Win	Ono Takayuki	2214.81
4	White	Win	Isobe Taizan	2423.55
41st Meijin-sen Tournament
Date	2003-09-15		Rating	2552.48
Round	Color	Result	Opponent
1	Black	Win	Miyagawa Junzo	2262.54
2	White	Draw	Hasegawa Kazuto	2627.51
3	White	Win	Ishitani Shin-ichi	2384.85
4	Black	Draw	Takashima Junya	2342.99
5	Black	Draw	Kudomi Takahiro	2341.92
6	Black	Win	Isobe Taizan	2418.42
7	White	Loss	Matsuura Hiroshi	2410.22
8	Black	Win	Kuga Akio	2385.01
9	Black	Loss	Iio Yoshihiro	2498.62
World Championship 2003, AT
Date	2003-08-08		Rating	2551.30
Round	Color	Result	Opponent
1	White	Loss	Sushkov Vladimir	2692.03
2	Black	Win	Yamaguchi Yusui	2580.76
3	Black	Draw	Iio Yoshihiro	2496.51
4	White	Loss	Taimla Tunnet	2710.65
5	Black	Loss	Chingin Konstantin	2716.81
6	Black	Loss	Meritee Ando	2803.35
7	Black	Win	Sinyov Igor	2557.46
8	White	Win	Karlsson Stefan	2559.44
9	Black	Win	Gaulitz Joachim	2408.74
10	White	Win	Andersson Tord	2381.90
11	Black	Win	Carlsson Martin	2430.15
41th Meijinsen Qualification: East Japan 2nd round
Date	2003-07-13		Rating	2546.64
Round	Color	Result	Opponent
	White	Draw	Isobe Taizan	2430.66
	Black	Draw	Sato Kiyotomi	2301.20
	Black	Win	Suzuki Naoya	2318.65
41th Meijinsen Qualification: East Japan 1st round
Date	2003-06-08		Rating	2541.34
Round	Color	Result	Opponent
1	Black	Win	Ono Takayuki	2191.40
2	White	Win	Nagao Noriaki	2308.66
3	Black	Draw	Suzuki Naoya	2318.97
4	White	Win	Sano Hiroyuki	2210.86
Japan WC Qualification 2003
Date	2003-03-22		Rating	2528.05
Round	Color	Result	Opponent
1	Black	Win	Nagao Noriaki	2307.99
2	Black	Win	Unoura Hidenori	2174.14
3	Black	Win	Isobe Taizan	2441.90
4	White	Win	Ishitani Shin-ichi	2392.38
5	Black	Win	Miyoshi Takeo	2243.91
34th Kyoto Classified - special class
Date	2002-11-10		Rating	2488.08
Round	Color	Result	Opponent
1	White	Loss	Iio Yoshihiro	2442.92
2	White	Win	Miyagawa Junzo	2250.74
3	Black	Win	Adachi Yasuhiro	2003.30
4	White	Win	Doi Manabu	2106.71
5	White	Loss	Kudomi Takahiro	2392.33
40th Meijin-sen Tournament
Date	2002-09-16		Rating	2476.55
Round	Color	Result	Opponent
1	White	Win	Kudomi Takahiro	2394.83
2	Black	Loss	Isobe Taizan	2448.21
3	White	Loss	Iio Yoshihiro	2434.27
4	Black	Win	Ishitani Shin-ichi	2393.79
5	Black	Loss	Yamaguchi Yusui	2592.00
6	White	Win	Nishimura Toshio	2355.45
7	White	Loss	Takagawa Teiji	2361.24
8	White	Win	Matsuura Hiroshi	2315.17
9	White	Loss	Hasegawa Kazuto	2593.27
Youth World Championship 2002
Date	2002-08-02		Rating	2472.40
Round	Color	Result	Opponent
A1	White	Win	Nagao Noriaki	2305.12
A2	White	Win	Novikov Nikolay	2186.66
A3	White	Loss	Chingin Konstantin	2658.00
A4	White	Win	Nekrasov Denis	2367.67
A5	White	Win	Lents Johann	2431.10
A6	White	Win	Vershinin Pavel	2460.04
A7	White	Win	Karasyov Maxim	2483.15
A8	White	Draw	Kazarin Mikhail	2425.05
A9	Black	Loss	Mossinyan David	2253.06
A10	White	Draw	Tamura Kazumasa	2261.14
A11	Black	Win	Provorov Yury	2201.53
40th Meijinsen Qualification: East Japan 2nd round
Date	2002-07-14		Rating	2468.47
Round	Color	Result	Opponent
	White	Win	Sunagawa Shouki	2172.83
	White	Win	Nara Hideki	2551.98
	White	Draw	Isobe Taizan	2451.62
40th Meijinsen Qualification: East Japan 1st round
Date	2002-06-02		Rating	2456.29
Round	Color	Result	Opponent
1	Black	Draw	Kato Yasuhiro	2099.29
2	Black	Win	Ohno Syunzo	1996.05
3	Black	Win	Arita Nobuyoshi	2157.13
4	White	Win	Sunagawa Shouki	2180.79
World Championship 2001, BT
Date	2001-08-12		Rating	2371.04
Round	Color	Result	Opponent
1	White	Win	Dzainukov Eldar	2017.16
2	White	Win	Gaujens Artis	2059.03
3	Black	Draw	Nosovsky Alexander	2172.07
4	White	Win	Khramov Andrey	2204.74
5	Black	Loss	Carlsson Martin	2309.18
6	Black	Loss	Henningsson Anders	2457.55
7	Black	Draw	Miyoshi Takeo	2203.49
8	White	Win	Sakamoto Suzan	2214.96
World Championship 2001, QT
Date	2001-08-06		Rating	2369.71
Round	Color	Result	Opponent
1	White	Draw	Park Jeong Ho	2306.02
2	Black	Win	Eibatov Nizami	2362.24
3	Black	Draw	Kusajima Masato	2394.08
4	Black	Win	Kim Byoung-Jun	2455.64
5	Black	Draw	Gardström Petter	2516.41
6	Black	Loss	Nara Hideki	2543.03
7	White	Loss	Lin Sheng-Min	2207.40
Japan WC Qualification tournament
Date	2001-03-24		Rating	2335.93
Round	Color	Result	Opponent
1	White	Draw	Mitsumori Masao	2299.59
2	White	Loss	Hasegawa Kazuto	2564.59
3	White	Win	Iwata Akihisa	2198.62
4	White	Loss	Isobe Taizan	2443.66
5	White	Draw	Koiso Shigemasa	2172.26
6	White	Win	Sakamoto Suzan	2178.32
7	Black	Win	Miyagawa Sou	1969.89
Youth World Championship 2000
Date	2000-08-04		Rating	2281.08
Round	Color	Result	Opponent
A1	White	Loss	Grishnin Stepan	2122.01
A3	White	Loss	Diner Stanislav	2244.50
A4	Black	Draw	Widman Christofher	1810.88
A5	White	Win	Unoura Kazuhisa	1930.21
A6	Black	Win	Fjellstrom Kristoffer	1799.43
A7	Black	Loss	Hermansson Hannes	2343.57
A9	White	Draw	Karasyov Maxim	2332.80
38th Meijinsen Qualification: East Japan 1st round
Date	2000-06-04		Rating	2279.30
Round	Color	Result	Opponent
4	White	Win	Hara Masao	2121.58
Kanto Championship
Date	2000-05-14		Rating	2278.01
Round	Color	Result	Opponent
1	White	Win	Nara Hideki	2567.12
2	Black	Loss	Mitsumori Masao	2297.15
3	Black	Draw	Omata Mitsuo	1872.60
4	Black	Win	Hara Masao	2121.89