Okabe Hiroshi (岡部寛)

Place: Tokyo, Japan

Birth: 1985-12-14

Rating: 2724.60, Std: 66.18, Rank: 17

First game: 2000-05-14, Last game: 2025-12-07

Top rating: 2762.35 (2014-01-26)

Games: 1157, Wins: 684, Draws: 234, Losses: 239

Gy1: 54, Gy2: 95, Gy5: 206

26 Kanto Renju Emperor Tournament Final round
Date	2025-12-07		Rating	2724.60
Round	Color	Result	Opponent
1	White	Win	Maruta Hiroki	2262.84
2	Black	Win	Ono Takayuki	2408.11
3	White	Loss	Koyama Jun	2642.56
4	White	Loss	Kamiya Shunsuke	2913.68
5	White	Win	Inoue Fumiya	2565.60
6	Black	Win	Yoshikawa Tomoki	2400.50
7	Black	Win	Fujita Maiko	2503.01
57 Kyoto Classified Tournament
Date	2025-11-22		Rating	2724.64
Round	Color	Result	Opponent
1	Black	Win	Hasegawa Kazuto	2378.89
2	White	Win	Makino Mitsunori	2634.73
3	Black	Win	Yoshikawa Tomoki	2399.99
4	Black	Win	Yoshida Hisao	2167.93
5	White	Draw	Tachi Masaya	2500.19
63rd Meijinsen Tournament
Date	2025-10-13		Rating	2723.05
Round	Color	Result	Opponent
1	Black	Draw	Nakayama Tomoharu	2801.76
2	Black	Draw	Matsuda Shoma	2619.75
3	White	Draw	Kuga Akio	2466.73
4	Black	Win	Kawano Takahisa	2571.36
5	White	Win	Mano Yoshihisa	2231.20
6	Black	Win	Takashima Junya	2399.31
7	White	Loss	Tachi Masaya	2499.22
8	White	Win	Makino Mitsunori	2639.48
9	Black	Loss	Wang Qingqing	2708.53
World Championship 2025, AT
Date	2025-08-15		Rating	2725.86
Round	Color	Result	Opponent
1	Black	Draw	He Shujun	2679.84
2	White	Draw	Oll Aivo	2653.29
3	White	Draw	Nakayama Tomoharu	2802.35
4	White	Draw	Cao Dong	2806.82
5	Black	Draw	Kamiya Shunsuke	2897.32
6	White	Loss	Gromov Danila	2652.75
7	White	Win	Mesila Villem	2540.39
8	Black	Draw	Mei Fan	2726.88
9	White	Win	Li Xiaoqing	2682.79
10	White	Loss	Ni Zhongxing	2832.57
11	White	Draw	Lu Hai	2609.30
42nd Kanto Championship
Date	2025-06-28		Rating	2728.88
Round	Color	Result	Opponent
1	Black	Win	Maruta Hiroki	2274.27
2	Black	Win	Ono Takayuki	2417.38
3	Black	Win	Tachi Masaya	2504.29
4	White	Draw	Matsuda Shoma	2618.84
5	White	Win	Ishitani Shin-ichi	2379.40
6	White	Draw	Yoshikawa Tomoki	2364.42
ex	Black	Draw	Matsuda Shoma	2618.84
19th All Japan Championship
Date	2025-06-28		Rating	2728.88
Round	Color	Result	Opponent
1	White	Win	Tanaka Shotaro	2358.61
2	White	Win	Fujita Maiko	2495.25
3	Black	Draw	Matsuda Shoma	2618.84
4	White	Draw	Kamiya Shunsuke	2893.22
5	Black	Draw	Nakayama Tomoharu	2799.32
6	Black	Win	Tachi Masaya	2504.29
16th Tohoku Championship
Date	2025-03-09		Rating	2729.18
Round	Color	Result	Opponent
1	White	Win	Kusajima Masato	2212.08
2	Black	Win	Miyamoto Syunju	2289.05
3	Black	Win	Fujita Maiko	2476.66
4	Black	Win	Shimura Hiroki	2241.00
5	Black	Draw	Kawaai Hitoshi	2075.82
28th New Year (Mikami) Cup
Date	2025-01-19		Rating	2729.91
Round	Color	Result	Opponent
S1	Black	Loss	Fujita Maiko	2469.84
S2	White	Loss	Inoue Fumiya	2541.58
S4	Black	Win	Ishitani Shin-ichi	2399.73
S5	Black	Win	Kawamura Norihiko	2465.97
25 Kanto Renju Emperor Tournament Final round
Date	2024-12-08		Rating	2736.39
Round	Color	Result	Opponent
1	Black	Win	Miyamoto Syunju	2297.48
2	White	Win	Ono Takayuki	2418.29
3	Black	Draw	Wang Qingqing	2690.05
4	White	Loss	Inoue Fumiya	2533.64
5	Black	Win	Kamiya Shunsuke	2878.41
6	Black	Win	Matsuda Shoma	2544.38
7	White	Draw	Fujita Maiko	2463.80
62nd Meijinsen match R3-4
Date	2024-11-24		Rating	2738.55
Round	Color	Result	Opponent
3	Black	Draw	Kamiya Shunsuke	2877.83
4	Black	Draw	Kamiya Shunsuke	2877.83
62nd Meijinsen match R1-2
Date	2024-11-04		Rating	2740.79
Round	Color	Result	Opponent
1	Black	Loss	Kamiya Shunsuke	2877.60
2	White	Draw	Kamiya Shunsuke	2877.60
62nd Meijinsen Tournament
Date	2024-10-14		Rating	2743.44
Round	Color	Result	Opponent
1	White	Win	Kawano Takahisa	2550.80
2	Black	Win	Inoue Fumiya	2527.19
3	White	Win	Matsuda Shoma	2522.53
4	Black	Win	Yamane Tomohiro	2056.52
5	White	Draw	Makino Mitsunori	2641.96
6	Black	Win	Tachi Masaya	2582.16
7	White	Win	Ishitani Shin-ichi	2412.18
8	Black	Draw	Nakayama Tomoharu	2787.33
9	White	Win	Kuga Akio	2431.84
41st Kanto Championship
Date	2024-07-21		Rating	2742.96
Round	Color	Result	Opponent
1	White	Win	Suenaga Daiki	2142.65
2	Black	Win	Fujita Maiko	2436.62
3	White	Win	Inoue Fumiya	2515.18
4	White	Win	Matsuda Shoma	2510.62
5	Black	Win	Takazawa Nagayoshi	2254.41
6	White	Draw	Ishitani Shin-ichi	2417.58
Team World Championship 2024
Date	2024-05-04		Rating	2740.04
Round	Color	Result	Opponent
6	White	Win	Lee Chi Son	2279.43
7	Black	Win	Gromov Danila	2584.97
8	Black	Win	Liu Qin	2576.01
9	Black	Win	Wu Di	2711.22
18th All Japan Championship
Date	2024-02-12		Rating	2726.99
Round	Color	Result	Opponent
1	Black	Loss	Tanaka Shotaro	2329.12
2	White	Win	Suzuki Yoshitaka	2004.06
3	Black	Loss	Miyamoto Syunju	2350.88
4	White	Win	Kato Yasuhiro	2043.89
5	Black	Win	Ishitani Shin-ichi	2415.06
6	White	Draw	Tachi Masaya	2607.90
27th New Year (Mikami) Cup
Date	2024-01-14		Rating	2728.15
Round	Color	Result	Opponent
S1	Black	Win	Ono Takayuki	2426.24
S2	Black	Win	Fujita Maiko	2421.18
S3	Black	Win	Ishitani Shin-ichi	2417.59
S4	Black	Draw	Inoue Fumiya	2516.18
S5	White	Win	Tanaka Shotaro	2327.53
24 Kanto Renju Emperor Tournament 2nd round
Date	2023-12-10		Rating	2728.55
Round	Color	Result	Opponent
1	Black	Draw	Nakayama Tomoharu	2785.84
2	Black	Win	Inoue Fumiya	2514.39
3	White	Win	Miyamoto Syunju	2335.58
4	White	Loss	Kamiya Shunsuke	2871.90
5	White	Win	Makino Mitsunori	2635.37
24 Kanto Renju Emperor Tournament Kanto area 1st round
Date	2023-11-19		Rating	2727.71
Round	Color	Result	Opponent
1	White	Win	Matsuda Shoma	2426.03
2	Black	Draw	Wang Qingqing	2667.04
3	White	Win	Ono Takayuki	2433.20
4	Black	Draw	Nakayama Tomoharu	2786.44
ex	White	Win	Maruta Hiroki	2247.58
61st Meijinsen match R3
Date	2023-10-28		Rating	2725.94
Round	Color	Result	Opponent
3	Black	Loss	Kamiya Shunsuke	2870.81
61st Meijinsen match R1-2
Date	2023-10-15		Rating	2725.33
Round	Color	Result	Opponent
1	Black	Loss	Kamiya Shunsuke	2870.05
2	White	Loss	Kamiya Shunsuke	2870.05
61st Meijinsen Tournament
Date	2023-09-18		Rating	2725.88
Round	Color	Result	Opponent
1	Black	Draw	Kawano Takahisa	2552.81
2	White	Win	Tachi Masaya	2591.27
3	Black	Win	Maruyama Yasushi	2250.79
4	White	Win	Matsuda Shoma	2410.32
5	White	Win	Fujita Maiko	2424.99
6	Black	Win	Makino Mitsunori	2628.32
7	Black	Win	Yamane Tomohiro	2081.24
8	Black	Draw	Hasegawa Kazuto	2546.04
9	Black	Win	Nakayama Tomoharu	2787.35
World Championship 2023, AT
Date	2023-08-12		Rating	2721.82
Round	Color	Result	Opponent
1	Black	Loss	Epifanov Dmitry	2671.31
2	White	Win	Inoue Fumiya	2528.96
3	Black	Win	Ni Zhongxing	2750.57
4	Black	Win	Burtsev Nikolai	2530.81
5	White	Loss	Nakayama Tomoharu	2789.44
6	White	Win	Kamiya Shunsuke	2861.97
7	White	Draw	Pinsky Alexander	2630.12
8	Black	Win	Lee Ho June	2444.58
9	Black	Draw	Lu Hai	2757.30
10	Black	Draw	Mei Fan	2765.17
11	Black	Draw	Cao Dong	2751.17
40th Kanto Championship
Date	2023-07-09		Rating	2714.50
Round	Color	Result	Opponent
1	Black	Win	Fujita Maiko	2428.93
2	Black	Loss	Makino Mitsunori	2623.39
3	White	Loss	Miyamoto Syunju	2310.54
4	White	Win	Tanaka Shotaro	2329.51
5	Black	Win	Takazawa Nagayoshi	2296.68
6	Black	Win	Ishitani Shin-ichi	2390.64
17th All Japan Championship
Date	2023-03-19		Rating	2703.61
Round	Color	Result	Opponent
1	White	Win	Miyamoto Syunju	2282.02
2	White	Win	Ishitani Shin-ichi	2379.78
3	Black	Draw	Kamiya Shunsuke	2868.69
4	White	Draw	Makino Mitsunori	2624.47
5	Black	Draw	Nakayama Tomoharu	2798.94
6	White	Draw	Tachi Masaya	2555.17
23 Kanto Renju Emperor Tournament 2nd round
Date	2023-01-29		Rating	2697.45
Round	Color	Result	Opponent
1	White	Loss	Inoue Fumiya	2538.53
2	White	Loss	Yokoyama Shota	2476.06
3	Black	Win	Kamiya Shunsuke	2866.75
4	White	Win	Fujita Maiko	2429.06
5	Black	Win	Maruta Koji	2178.79
26th New Year (Mikami) Cup
Date	2023-01-15		Rating	2696.53
Round	Color	Result	Opponent
S1	Black	Win	Takazawa Nagayoshi	2277.40
S2	Black	Draw	Inoue Fumiya	2538.57
S3	White	Win	Ono Takayuki	2431.08
S4	White	Loss	Ishitani Shin-ichi	2381.63
S5	Black	Draw	Tanaka Shotaro	2337.38
60th Meijinsen Tournament
Date	2022-09-19		Rating	2704.57
Round	Color	Result	Opponent
1	Black	Win	Kuga Akio	2415.18
2	Black	Win	Ono Takayuki	2427.13
3	White	Draw	Makino Mitsunori	2630.69
4	Black	Win	Miyamoto Syunju	2257.70
5	White	Win	Kawamoto Shoma	2326.41
6	Black	Win	Hasegawa Kazuto	2610.75
7	White	Loss	Nagasoe Hiroki	2659.95
8	White	Win	Ishitani Shin-ichi	2366.52
9	Black	Draw	Nakayama Tomoharu	2809.94
39 Kanto Championship
Date	2022-07-31		Rating	2705.35
Round	Color	Result	Opponent
1	Black	Win	Tanaka Shotaro	2316.87
2	Black	Win	Maruta Hiroki	2198.13
3	Black	Win	Ono Takayuki	2431.18
4	White	Win	Ishitani Shin-ichi	2364.58
5	White	Draw	Yokoyama Shota	2468.71
6	White	Win	Kato Yasuhiro	2071.71
22nd Kanto Renju Emperor Tournament Final
Date	2022-03-19		Rating	2704.90
Round	Color	Result	Opponent
1	Black	Loss	Kamiya Shunsuke	2868.78
2	Black	Draw	Kamiya Shunsuke	2868.78
3	White	Loss	Kamiya Shunsuke	2868.78
59th Meijinsen Tournament
Date	2022-01-10		Rating	2707.25
Round	Color	Result	Opponent
1	White	Win	Maruta Hiroki	2252.73
2	Black	Draw	Nakayama Tomoharu	2827.64
3	Black	Win	Maruyama Yasushi	2273.60
4	Black	Win	Ono Takayuki	2427.25
5	White	Win	Hayashi Shoichi	2158.78
6	Black	Win	Iio Yoshihiro	2401.84
7	White	Win	Nagasoe Hiroki	2660.94
8	White	Draw	Hasegawa Kazuto	2570.74
9	Black	Loss	Kamiya Shunsuke	2864.15
ex	White	Win	Nagasoe Hiroki	2660.94
22 Renju Emperor Tournament 2nd round
Date	2021-12-19		Rating	2705.43
Round	Color	Result	Opponent
1	Black	Win	Yokoyama Shota	2457.96
2	Black	Win	Maruta Hiroki	2259.84
3	White	Loss	Kamiya Shunsuke	2864.25
4	Black	Draw	Nagasoe Hiroki	2658.85
5	White	Draw	Shimura Hiroki	2109.71
13th Tohoku Championship
Date	2021-12-12		Rating	2705.28
Round	Color	Result	Opponent
1	White	Win	Miyamoto Syunju	2249.37
2	Black	Win	Fujita Maiko	2384.60
3	Black	Loss	Inoue Fumiya	2521.75
4	White	Win	Maruta Hiroki	2261.82
38 Kanto Championship
Date	2021-08-08		Rating	2709.13
Round	Color	Result	Opponent
1	White	Win	Suenaga Daiki	2262.64
2	White	Win	Ishitani Shin-ichi	2337.61
3	White	Loss	Kamiya Shunsuke	2855.21
4	Black	Loss	Inoue Fumiya	2509.08
5	White	Loss	Yokoyama Shota	2458.71
6	White	Win	Fujita Maiko	2357.65
16th All Japan Championship
Date	2021-03-28		Rating	2736.49
Round	Color	Result	Opponent
1	Black	Win	Suenaga Daiki	2269.92
2	Black	Win	Inoue Fumiya	2483.96
3	Black	Draw	Nakamura Shigeru	2956.39
4	White	Win	Fujita Maiko	2366.46
5	White	Win	Nagasoe Hiroki	2641.28
6	White	Win	Makino Mitsunori	2567.98
21th Kanto Renju Emperor Tournament Final
Date	2021-02-27		Rating	2738.33
Round	Color	Result	Opponent
1	White	Win	Makino Mitsunori	2565.25
2	Black	Win	Makino Mitsunori	2565.25
24th New Year(Mikami)Cup
Date	2021-01-29		Rating	2738.43
Round	Color	Result	Opponent
S1	Black	Win	Ono Takayuki	2396.12
S2	White	Win	Maruta Hiroki	2234.40
S3	Black	Win	Maruta Koji	2125.18
S4	White	Win	Ishitani Shin-ichi	2369.37
S5	Black	Draw	Makino Mitsunori	2561.63
12th Tohoku Championship
Date	2020-12-27		Rating	2738.27
Round	Color	Result	Opponent
	Black	Draw	Nakamura Shigeru	2955.82
21 Renju Emperor Tournament 2nd round
Date	2020-12-06		Rating	2737.53
Round	Color	Result	Opponent
1	White	Win	Shimura Hiroki	2006.11
2	White	Win	Ono Takayuki	2399.21
3	White	Draw	Nagasoe Hiroki	2626.95
4	Black	Win	Inoue Fumiya	2471.75
5	Black	Draw	Makino Mitsunori	2550.80
58 Meijinsen Tournament
Date	2020-09-21		Rating	2735.51
Round	Color	Result	Opponent
1	White	Win	Kamiya Shunsuke	2823.95
2	White	Loss	Makino Mitsunori	2524.40
3	White	Win	Nakayama Tomoharu	2841.17
4	Black	Win	Fujita Maiko	2376.05
5	Black	Win	Fujita Yudai	2484.60
6	White	Loss	Matsuura Hiroshi	2381.66
7	Black	Draw	Tamada Yoichi	2532.69
8	Black	Win	Tanaka Toshiki	2470.32
9	Black	Draw	Tachi Masaya	2486.97
37 Kanto Championship
Date	2020-08-10		Rating	2736.59
Round	Color	Result	Opponent
1	White	Win	Ito Midori	1793.99
2	Black	Win	Kato Yasuhiro	2092.24
3	White	Win	Ishitani Shin-ichi	2373.91
4	White	Win	Maruta Hiroki	2249.56
5	White	Win	Fujita Maiko	2376.28
6	Black	Win	Maruyama Takashi	2047.44
20th Kanto Renju Emperor Tournament Final
Date	2020-02-16		Rating	2734.78
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2967.06
2	White	Loss	Nakamura Shigeru	2967.06
23 New Year (Mikami) Cup
Date	2020-01-26		Rating	2735.53
Round	Color	Result	Opponent
A1	Black	Win	Maruta Hiroki	2222.11
A2	White	Win	Iwano Fumio	2175.70
A3	Black	Loss	Nakamura Shigeru	2966.96
A4	White	Win	Fujita Maiko	2358.86
A5	White	Win	Ishitani Shin-ichi	2377.29
15th All Japan Championship
Date	2020-01-19		Rating	2735.71
Round	Color	Result	Opponent
1	Black	Win	Sakamoto Suzan	2273.22
2	White	Win	Nakamura Shigeru	2966.68
3	White	Win	Inoue Fumiya	2419.59
4	Black	Loss	Nakayama Tomoharu	2848.41
5	Black	Draw	Kamiya Shunsuke	2821.37
6	Black	Win	Iio Yoshihiro	2400.83
20 Renju Emperor Tournament 2nd round
Date	2019-12-08		Rating	2732.57
Round	Color	Result	Opponent
1	White	Win	Inoue Fumiya	2421.29
2	White	Loss	Fujita Maiko	2359.35
3	White	Draw	Nakamura Shigeru	2969.86
4	White	Win	Miyamoto Syunju	2302.36
5	White	Win	Ishitani Shin-ichi	2377.02
11th Tohoku Championship
Date	2019-10-06		Rating	2729.72
Round	Color	Result	Opponent
1	White	Win	Kusajima Masato	2245.72
2	White	Win	Miyamoto Syunju	2298.64
3	Black	Win	Hirono Masakazu	2083.85
4	White	Win	Ishitani Shin-ichi	2382.73
5	White	Win	Gakumazawa Hideaki	2144.17
57 Meijinsen Tournament
Date	2019-09-16		Rating	2728.12
Round	Color	Result	Opponent
1	White	Win	Matsuura Hiroshi	2364.20
2	White	Win	Ishitani Shin-ichi	2386.37
3	Black	Win	Inoue Fumiya	2421.80
4	Black	Draw	Kamiya Shunsuke	2826.41
5	Black	Win	Hasegawa Kazuto	2614.92
6	Black	Loss	Kawamura Norihiko	2669.83
7	White	Win	Nakayama Tomoharu	2828.42
8	Black	Loss	Koyama Jun	2613.81
9	White	Win	Kawano Takahisa	2463.33
World Championship 2019, AT
Date	2019-08-10		Rating	2723.37
Round	Color	Result	Opponent
1	White	Draw	Oll Aivo	2745.14
2	Black	Win	Inoue Fumiya	2425.84
3	Black	Win	Epifanov Dmitry	2673.94
4	White	Draw	Nakayama Tomoharu	2822.80
5	White	Win	Kamiya Shunsuke	2823.39
6	White	Loss	Koyama Jun	2619.15
7	White	Loss	Gardström Petter	2702.25
8	Black	Loss	Cao Dong	2784.32
9	White	Loss	Sushkov Vladimir	2841.63
10	White	Win	Fedotov Denis	2683.11
11	White	Win	Mei Fan	2707.50
36 Kanto Championship
Date	2019-07-28		Rating	2721.14
Round	Color	Result	Opponent
1	Black	Win	Fujikawa Masaki	2154.81
2	White	Win	Makino Mitsunori	2318.29
3	White	Loss	Nakamura Shigeru	2986.24
4	White	Win	Ono Takayuki	2400.52
5	White	Draw	Inoue Fumiya	2427.45
6	White	Win	Ishitani Shin-ichi	2391.18
14th All Japan Championship
Date	2019-03-31		Rating	2702.47
Round	Color	Result	Opponent
1	White	Win	Miyamoto Syunju	2275.91
2	White	Loss	Nakamura Shigeru	2997.59
3	White	Draw	Kamiya Shunsuke	2815.20
4	White	Win	Iio Yoshihiro	2452.85
5	White	Loss	Inoue Fumiya	2429.85
6	White	Win	Koyama Jun	2591.47
19th Kanto Renju Emperor Tournament Final
Date	2019-02-17		Rating	2696.85
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2999.98
2	Black	Loss	Nakamura Shigeru	2999.98
22 New Year (Mikami) Cup
Date	2019-01-20		Rating	2694.03
Round	Color	Result	Opponent
1	White	Win	Inoue Fumiya	2414.28
2	White	Win	Tomobe Katsuhiro	2171.95
3	White	Win	Ono Takayuki	2402.72
4	Black	Draw	Ke Fang-Ying	2371.47
5	Black	Win	Takazawa Nagayoshi	2173.05
19 Renju Emperor Tournament 2nd round
Date	2018-12-09		Rating	2689.55
Round	Color	Result	Opponent
1	White	Win	Maruta Hiroki	2179.94
2	White	Win	Ishitani Shin-ichi	2420.88
3	Black	Loss	Nakamura Shigeru	3002.02
4	White	Win	Miyamoto Syunju	2270.82
5	White	Win	Iwano Fumio	2246.10
“SOPAI Cup” 1st World Renju Open
Date	2018-11-25		Rating	2687.68
Round	Color	Result	Opponent
1	White	Win	Tian Hanfa	1890.35
2	White	Loss	Wai Chan Keong	2755.64
3	Black	Loss	Sun Jinxue	2248.39
4	White	Win	Peng Lulu	2064.48
5	White	Loss	Hong Pengcheng	2395.73
6	Black	Loss	Cheng Yanzhen	2426.43
7	White	Win	Guo Haisen	2203.89
8	White	Loss	Lu Hai	2620.76
9	White	Win	Ling Shijie	2411.43
56 Meijinsen Tournament
Date	2018-09-17		Rating	2703.95
Round	Color	Result	Opponent
1	White	Win	Hasegawa Kazuto	2580.39
2	Black	Win	Kuga Akio	2429.38
3	Black	Loss	Koyama Jun	2575.50
4	White	Loss	Nakamura Shigeru	3002.09
5	Black	Win	Matsuura Hiroshi	2356.00
6	Black	Win	Kawamura Norihiko	2659.69
8	White	Win	Ishitani Shin-ichi	2431.17
9	Black	Win	Kamiya Shunsuke	2801.44
10th Tohoku Championship
Date	2018-09-09		Rating	2704.92
Round	Color	Result	Opponent
1	White	Win	Hirono Masakazu	2087.64
2	Black	Win	Miyamoto Syunju	2266.83
3	Black	Win	Demachi Koichiro	1926.70
5	Black	Win	Kusajima Masato	2302.86
35 Kanto Championship
Date	2018-07-16		Rating	2710.32
Round	Color	Result	Opponent
1	White	Win	Fujikawa Masaki	2105.51
2	White	Win	Inoue Fumiya	2398.41
3	White	Loss	Nakamura Shigeru	2996.11
4	White	Win	Fujita Maiko	2224.80
5	Black	Draw	Nakayama Tomoharu	2839.61
6	Black	Win	Ishitani Shin-ichi	2434.35
Team World Championship 2018
Date	2018-05-05		Rating	2714.06
Round	Color	Result	Opponent
2	White	Loss	Mesila Villem	2647.04
3	White	Win	Gardström Petter	2693.28
5	White	Win	Makarov Pavel	2601.49
6	Black	Loss	Cao Dong	2804.17
7	White	Loss	Kryuchok Roman	2601.88
8	Black	Win	Kozhin Mikhail	2687.24
10	White	Win	Mesila Villem	2647.04
13th All Japan Championship
Date	2018-01-28		Rating	2718.52
Round	Color	Result	Opponent
1	Black	Win	Fujita Yudai	2501.40
2	White	Loss	Nakayama Tomoharu	2854.20
3	Black	Win	Iio Yoshihiro	2539.51
4	White	Loss	Kamiya Shunsuke	2814.36
5	Black	Win	Ishitani Shin-ichi	2420.26
6	Black	Loss	Tachi Masaya	2559.17
21 Mikami Cup
Date	2018-01-21		Rating	2719.42
Round	Color	Result	Opponent
S1	Black	Win	Ono Takayuki	2385.74
S2	White	Win	Ishitani Shin-ichi	2418.50
S3	White	Win	Sato Kiyotomi	2436.58
18 Kanto Renju Emperor Tournament 2nd round
Date	2017-12-17		Rating	2722.25
Round	Color	Result	Opponent
1	Black	Win	Miyamoto Syunju	2275.15
2	White	Win	Kusajima Masato	2305.29
3	White	Win	Sato Kiyotomi	2439.13
4	White	Win	Koyama Jun	2589.25
5	Black	Loss	Nakamura Shigeru	2962.61
18 Kanto Renju Emperor Tournament 1st round
Date	2017-11-01		Rating	2723.74
Round	Color	Result	Opponent
1	Black	Win	Maruta Koji	2129.95
2	Black	Draw	Koyama Jun	2598.67
3	Black	Win	Kusajima Masato	2301.38
4	White	Win	Ishitani Shin-ichi	2397.03
55 Meijinsen Tournament
Date	2017-09-18		Rating	2724.82
Round	Color	Result	Opponent
1	White	Win	Sato Kiyotomi	2453.95
2	White	Win	Kawano Takahisa	2441.53
3	White	Win	Iio Yoshihiro	2551.70
4	Black	Loss	Kamiya Shunsuke	2813.54
5	Black	Win	Tamada Yoichi	2513.88
6	White	Win	Matsuura Hiroshi	2342.28
7	White	Loss	Nakayama Tomoharu	2846.94
8	White	Win	Hasegawa Kazuto	2601.32
9	Black	Win	Maruyama Yasushi	2285.03
World Championship 2017, BT
Date	2017-08-12		Rating	2723.12
Round	Color	Result	Opponent
1	White	Win	Liao Jun-Yen	2342.91
2	White	Loss	Huang Yen-Hua	2463.94
3	White	Win	Sun In	2436.95
4	Black	Loss	Liu Yang	2673.53
5	Black	Win	Metreveli Maksim	2315.23
6	Black	Win	Yang Yu-Hsiung	2437.15
7	White	Draw	Tang Kai Lam	2773.52
8	Black	Draw	Wai Chan Keong	2682.36
9	White	Win	Koyama Jun	2610.08
World Championship 2017, QT
Date	2017-08-05		Rating	2723.20
Round	Color	Result	Opponent
1	Black	Draw	Lu Wei-Yuan	2605.85
2	Black	Win	Kim Su Chan	2310.29
3	White	Draw	Lin Huang-Yu	2729.00
4	White	Draw	Lan Zhiren	2639.21
5	Black	Draw	Koyama Jun	2609.98
6	Black	Win	Oll Aivo	2797.07
7	Black	Loss	Sushkov Vladimir	2876.76
34 Kanto Championship
Date	2017-07-16		Rating	2723.52
Round	Color	Result	Opponent
1	White	Win	Fujikawa Masaki	2076.78
2	White	Win	Iwano Fumio	2269.28
3	White	Loss	Nakayama Tomoharu	2828.55
4	White	Win	Ono Takayuki	2381.57
5	White	Win	Ishitani Shin-ichi	2395.99
6	White	Win	Maruta Hiroki	2132.52
12th All Japan Championship
Date	2017-03-26		Rating	2724.95
Round	Color	Result	Opponent
1	Black	Win	Ono Takayuki	2370.23
2	White	Win	Sato Kiyotomi	2481.57
3	White	Draw	Nakayama Tomoharu	2796.83
4	Black	Loss	Nakamura Shigeru	2968.78
5	Black	Win	Fujita Yudai	2490.25
6	Black	Draw	Kamiya Shunsuke	2791.50
20 New Year (Mikami) Cup
Date	2017-01-22		Rating	2722.13
Round	Color	Result	Opponent
S1	Black	Win	Sato Kiyotomi	2494.55
S2	White	Win	Ishitani Shin-ichi	2396.59
S4	Black	Loss	Nakamura Shigeru	2967.01
S5	White	Win	Koyama Jun	2614.21
17 Kanto Renju Emperor Tournament 2nd round
Date	2016-12-10		Rating	2717.82
Round	Color	Result	Opponent
1	White	Draw	Sato Kiyotomi	2504.58
2	Black	Win	Maruta Koji	2165.41
3	Black	Win	Ishitani Shin-ichi	2401.53
4	White	Draw	Nakamura Shigeru	2962.05
5	White	Loss	Nakayama Tomoharu	2786.33
17 Kanto Renju Emperor Tournament 1st round
Date	2016-11-23		Rating	2716.49
Round	Color	Result	Opponent
1	Black	Win	Maruta Koji	2167.71
2	White	Win	Koyama Jun	2617.80
3	Black	Win	Ishitani Shin-ichi	2403.07
4	Black	Draw	Sato Kiyotomi	2505.67
48 Kyoto Classified Tournament
Date	2016-11-13		Rating	2715.40
Round	Color	Result	Opponent
SS2	Black	Loss	Hasegawa Kazuto	2642.28
SS3	White	Loss	Hata Masayuki	2204.86
SS4	White	Draw	Kawamura Norihiko	2631.34
SS5	White	Draw	Iio Yoshihiro	2557.60
54 Meijinsen Tournament
Date	2016-09-19		Rating	2720.92
Round	Color	Result	Opponent
1	White	Win	Maruyama Yasushi	2293.71
2	Black	Win	Matsuura Hiroshi	2364.10
3	Black	Win	Iio Yoshihiro	2564.01
4	Black	Loss	Kuga Akio	2371.39
5	White	Loss	Kamiya Shunsuke	2762.95
6	White	Win	Tanaka Toshiki	2447.53
7	White	Win	Hasegawa Kazuto	2642.33
8	White	Draw	Nakayama Tomoharu	2780.48
9	Black	Win	Koyama Jun	2621.67
33 Kanto Championship
Date	2016-07-31		Rating	2725.03
Round	Color	Result	Opponent
1	White	Win	Fujikawa Masaki	2108.39
2	White	Win	Maruta Koji	2181.68
3	White	Win	Koyama Jun	2625.92
4	Black	Draw	Nakayama Tomoharu	2779.33
5	Black	Win	Maruta Hiroki	2132.51
6	Black	Loss	Nakamura Shigeru	2957.87
54 Meijinsen Qualification East Japan area 2nd round
Date	2016-06-12		Rating	2727.24
Round	Color	Result	Opponent
1	Black	Win	Kamiya Shunsuke	2730.09
2	Black	Win	Mitsumori Masao	2356.71
3	Black	Win	Kusajima Masato	2269.93
4	White	Win	Tamada Yoichi	2571.81
5	Black	Draw	Koyama Jun	2632.40
19 Mikami Cup
Date	2016-03-13		Rating	2722.91
Round	Color	Result	Opponent
S1	White	Win	Kusajima Masato	2266.85
S2	White	Draw	Kamiya Shunsuke	2726.49
S3	White	Loss	Nakamura Shigeru	2943.62
S4	White	Win	Koyama Jun	2634.68
S5	Black	Win	Ono Takayuki	2331.13
11th All Japan Championship
Date	2016-01-11		Rating	2717.73
Round	Color	Result	Opponent
1	Black	Draw	Fujita Yudai	2449.32
2	White	Draw	Tamada Yoichi	2575.37
3	White	Loss	Koyama Jun	2639.97
4	Black	Win	Ishitani Shin-ichi	2398.85
5	Black	Win	Iio Yoshihiro	2541.95
6	Black	Draw	Nakayama Tomoharu	2780.82
16 Kanto Renju Emperor Tournament 2nd round
Date	2015-12-13		Rating	2717.35
Round	Color	Result	Opponent
1	Black	Draw	Nakayama Tomoharu	2778.96
2	White	Loss	Nakamura Shigeru	2926.56
3	White	Win	Koyama Jun	2644.14
4	White	Win	Ono Takayuki	2328.04
5	White	Loss	Sato Kiyotomi	2539.59
16 Kanto Renju Emperor Tournament 1st round
Date	2015-11-15		Rating	2718.18
Round	Color	Result	Opponent
1	White	Win	Kato Yasuhiro	2046.17
2	Black	Win	Ono Takayuki	2328.84
3	White	Loss	Koyama Jun	2644.69
4	White	Loss	Sato Kiyotomi	2536.63
47 Kyoto Classified Tournament
Date	2015-11-08		Rating	2719.35
Round	Color	Result	Opponent
S1	Black	Win	Tachi Masaya	2473.80
S2	Black	Win	Hasegawa Kazuto	2670.40
S3	Black	Win	Epifanov Dmitry	2717.73
S4	Black	Win	Kashihara Akihiko	2343.96
S5	White	Win	Sakamoto Suzan	2286.18
53 Meijinsen Tournament
Date	2015-09-22		Rating	2720.36
Round	Color	Result	Opponent
1	White	Win	Ishitani Shin-ichi	2394.52
2	Black	Loss	Hasegawa Kazuto	2675.32
3	White	Win	Matsuura Hiroshi	2401.46
4	White	Win	Tamada Yoichi	2585.54
5	White	Draw	Oosumi Yuuki	2775.73
6	Black	Loss	Kawamura Norihiko	2625.79
7	Black	Draw	Nakayama Tomoharu	2771.88
8	White	Loss	Iio Yoshihiro	2534.33
9	White	Draw	Koyama Jun	2638.02
World Championship 2015, AT
Date	2015-08-13		Rating	2727.08
Round	Color	Result	Opponent
1	Black	Win	Tang Kai Lam	2730.96
2	Black	Draw	Kamiya Shunsuke	2709.68
3	Black	Loss	Qi Guan	2806.20
4	White	Draw	Taimla Tunnet	2766.68
5	Black	Win	Salnikov Pavel	2643.84
6	Black	Win	Makarov Pavel	2598.26
7	White	Loss	Lan Zhiren	2647.84
8	Black	Win	Hõbemägi Martin	2654.28
9	Black	Draw	Fedorkin Oleg	2738.56
10	Black	Draw	Chen Ko-Han	2710.46
11	Black	Draw	Lin Huang-Yu	2796.63
Kanto Championship
Date	2015-07-20		Rating	2729.17
Round	Color	Result	Opponent
1	Black	Win	Nakamura Souta	2294.86
2	White	Win	Ishitani Shin-ichi	2400.85
3	White	Draw	Koyama Jun	2632.39
4	White	Draw	Nakayama Tomoharu	2765.75
5	Black	Loss	Nakamura Shigeru	2908.24
6	Black	Win	Iwano Fumio	2254.14
7th Tohoku Championship
Date	2015-04-12		Rating	2738.63
Round	Color	Result	Opponent
1	White	Win	Gakumazawa Hideaki	2192.17
2	White	Win	Kusajima Masato	2259.42
3	White	Win	Kobayashi Koichi	2295.62
4	White	Win	Ishitani Shin-ichi	2423.81
5	Black	Win	Hirono Masakazu	1993.29
10th All Japan Championship
Date	2015-03-29		Rating	2739.46
Round	Color	Result	Opponent
1	White	Win	Miyagawa Junzo	2245.15
2	Black	Win	Nagao Noriaki	2280.38
3	White	Win	Kamiya Shunsuke	2677.86
4	Black	Draw	Nakamura Shigeru	2906.71
5	Black	Draw	Nakayama Tomoharu	2746.86
6	Black	Draw	Tachi Masaya	2482.88
15th Kanto Renju Emperor Tournament Final
Date	2015-02-15		Rating	2739.84
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2904.24
2	Black	Loss	Nakamura Shigeru	2904.24
15 Kanto Renju Emperor Tournament 2nd round
Date	2015-01-25		Rating	2741.33
Round	Color	Result	Opponent
1	White	Win	Ono Takayuki	2348.34
2	White	Win	Ishitani Shin-ichi	2432.24
3	Black	Win	Kamiya Shunsuke	2663.07
4	White	Loss	Nakamura Souta	2269.93
5	Black	Win	Nakamura Shigeru	2901.70
18 Mikami Cup Tournament
Date	2015-01-18		Rating	2741.51
Round	Color	Result	Opponent
S1	Black	Win	Ono Takayuki	2349.89
S2	White	Draw	Isobe Taizan	2434.42
S3	Black	Loss	Nakamura Shigeru	2901.16
46 Kyoto Classified Tournament
Date	2014-11-09		Rating	2747.56
Round	Color	Result	Opponent
S1	White	Win	Miyagawa Junzo	2231.70
S2	Black	Win	Kawamura Norihiko	2654.98
S3	Black	Draw	Iio Yoshihiro	2516.94
S4	White	Win	Fukui Nobuhiro	2610.48
S5	Black	Loss	Oosumi Yuuki	2825.24
15 Kanto Renju Emperor Tournament 1st round
Date	2014-10-26		Rating	2748.69
Round	Color	Result	Opponent
1	White	Win	Tomobe Katsuhiro	2093.20
2	Black	Win	Kato Yasuhiro	2088.50
3	Black	Win	Fukui Nobuhiro	2611.98
4	Black	Draw	Kamiya Shunsuke	2643.19
52 Meijinsen Tournament
Date	2014-09-15		Rating	2751.04
Round	Color	Result	Opponent
1	Black	Win	Tamada Yoichi	2567.20
2	Black	Win	Fukui Nobuhiro	2619.18
3	Black	Win	Kashihara Akihiko	2346.75
4	Black	Win	Matsuura Hiroshi	2354.48
5	White	Loss	Oosumi Yuuki	2829.46
6	White	Draw	Iio Yoshihiro	2513.13
7	Black	Win	Sato Kiyotomi	2486.77
8	White	Draw	Hasegawa Kazuto	2657.59
9	White	Draw	Nakayama Tomoharu	2722.50
31th Kanto Championship
Date	2014-05-11		Rating	2757.24
Round	Color	Result	Opponent
1	White	Win	Kamiya Shunsuke	2606.61
2	White	Win	Kobayashi Koichi	2243.38
3	White	Draw	Tamura Kazumasa	2516.82
4	White	Loss	Nakamura Shigeru	2885.98
5	White	Win	Sato Kiyotomi	2472.39
6th Tohoku Championship
Date	2014-04-20		Rating	2758.53
Round	Color	Result	Opponent
1	Black	Win	Hirono Masakazu	1992.36
3	White	Win	Sato Kiyotomi	2470.02
4	White	Win	Gakumazawa Hideaki	2164.21
5	Black	Win	Miura Hitoshi	1803.41
6	Black	Win	Kusajima Masato	2236.82
7	White	Win	Kobayashi Koichi	2241.21
14 Kanto Renju Emperor Tournament final match
Date	2014-02-16		Rating	2760.28
Round	Color	Result	Opponent
1	White	Loss	Nakamura Shigeru	2892.27
2	Black	Loss	Nakamura Shigeru	2892.27
9th All Japan Championship
Date	2014-01-26		Rating	2762.35
Round	Color	Result	Opponent
1	White	Win	Ishitani Shin-ichi	2444.06
2	White	Win	Sato Kiyotomi	2465.34
3	White	Win	Fukui Nobuhiro	2611.89
4	White	Draw	Oosumi Yuuki	2833.92
5	White	Win	Iio Yoshihiro	2550.78
6	White	Win	Tamura Kazumasa	2526.26
14th Mikami Cup S-class
Date	2014-01-19		Rating	2762.17
Round	Color	Result	Opponent
1	Black	Win	Fukui Nobuhiro	2610.57
2	White	Draw	Ishitani Shin-ichi	2443.16
3	White	Win	Tamura Kazumasa	2527.20
4	White	Win	Nakayama Tomoharu	2673.88
5	Black	Loss	Nakamura Shigeru	2892.65
14 Kanto Renju Emperor Tournament 2nd round
Date	2013-12-15		Rating	2760.51
Round	Color	Result	Opponent
1	Black	Win	Fukui Nobuhiro	2605.42
2	Black	Win	Sato Kiyotomi	2466.61
3	White	Draw	Tamura Kazumasa	2526.36
4	Black	Loss	Nakamura Shigeru	2893.64
5	White	Draw	Kamiya Shunsuke	2578.23
45 Kyoto Classified Tournament
Date	2013-11-10		Rating	2760.43
Round	Color	Result	Opponent
S1	White	Win	Ishitani Shin-ichi	2427.48
S2	Black	Draw	Oosumi Yuuki	2842.04
S3	Black	Win	Hata Masayuki	2252.95
S4	Black	Win	Hasegawa Kazuto	2627.75
S5	Black	Win	Mano Yoshihisa	2316.62
51 Meijinsen Tournament
Date	2013-09-16		Rating	2756.12
Round	Color	Result	Opponent
1	Black	Win	Yamaguchi Yusui	2593.41
2	Black	Win	Kawano Takahisa	2373.46
3	White	Win	Kawate Kozo	2194.41
4	Black	Win	Hasegawa Kazuto	2624.09
5	White	Win	Mano Yoshihisa	2317.89
6	Black	Win	Kamiya Shunsuke	2561.03
7	Black	Loss	Oosumi Yuuki	2847.49
8	Black	Win	Sato Kiyotomi	2473.28
9	White	Win	Hata Masayuki	2259.76
ex	Black	Loss	Oosumi Yuuki	2847.49
World Championship 2013, AT
Date	2013-08-14		Rating	2751.58
Round	Color	Result	Opponent
1	Black	Draw	Chen Ko-Han	2684.08
2	White	Win	Lan Zhiren	2636.85
3	White	Win	Hõbemägi Martin	2587.79
4	White	Loss	Sushkov Vladimir	2824.39
5	White	Draw	Oosumi Yuuki	2849.17
6	White	Loss	Epifanov Dmitry	2687.82
7	Black	Win	Salnikov Pavel	2602.70
8	White	Draw	Oll Aivo	2736.32
9	White	Loss	Taimla Tunnet	2879.85
10	White	Draw	Cao Dong	2747.21
11	Black	Loss	Wang Qingqing	2649.84
World Championship 2013, QT
Date	2013-08-05		Rating	2751.36
Round	Color	Result	Opponent
1	White	Win	Hõbemägi Martin	2588.21
2	Black	Win	Miyagawa Junzo	2223.38
3	White	Draw	Sushkov Vladimir	2823.47
4	Black	Win	Pajuste Renee	2628.63
5	White	Draw	Oll Aivo	2736.41
6	Black	Draw	Fedorkin Oleg	2670.16
7	Black	Draw	Salnikov Pavel	2604.77
29th Kanto Championship
Date	2013-05-12		Rating	2745.31
Round	Color	Result	Opponent
1	Black	Win	Iwano Fumio	2183.89
2	Black	Win	Kamiya Shunsuke	2538.83
3	Black	Win	Ishitani Shin-ichi	2386.65
4	White	Win	Nakamura Shigeru	2867.25
5	Black	Win	Kudomi Takahiro	2413.45
5th Tohoku Championship
Date	2013-04-14		Rating	2739.64
Round	Color	Result	Opponent
1	White	Win	Gakumazawa Hideaki	2131.53
2	Black	Win	Kudomi Takahiro	2418.79
3	Black	Win	Kusajima Masato	2215.56
4	White	Win	Maruta Hiroki	2147.50
5	Black	Win	Fukui Nobuhiro	2574.17
8th All Japan Championship
Date	2013-03-24		Rating	2734.17
Round	Color	Result	Opponent
1	White	Win	Kobayashi Koichi	2214.09
2	Black	Draw	Kamiya Shunsuke	2530.19
3	Black	Win	Isobe Taizan	2405.69
4	Black	Win	Iio Yoshihiro	2487.01
5	Black	Loss	Nakamura Shigeru	2869.66
6	White	Loss	Oosumi Yuuki	2846.62
13 Kanto Renju Emperor Tournament final match
Date	2013-02-17		Rating	2727.18
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2875.10
2	Black	Draw	Nakamura Shigeru	2875.10
3	Black	Draw	Nakamura Shigeru	2875.10
16th Mikami Cup Tournament
Date	2013-01-20		Rating	2721.28
Round	Color	Result	Opponent
S1	Black	Win	Mitsumori Masao	2345.05
S2	White	Win	Ishitani Shin-ichi	2369.16
S3	White	Loss	Nakamura Shigeru	2879.43
S4	White	Win	Ono Takayuki	2417.84
S5	White	Loss	Fukui Nobuhiro	2568.21
13 Kanto Renju Emperor Tournament 2nd round
Date	2013-01-13		Rating	2720.29
Round	Color	Result	Opponent
1	Black	Loss	Kudomi Takahiro	2423.12
2	Black	Win	Fukui Nobuhiro	2567.31
3	Black	Win	Isobe Taizan	2409.41
4	White	Win	Ishitani Shin-ichi	2368.10
5	White	Loss	Nakamura Shigeru	2880.16
44 Kyoto Classified Tournament
Date	2012-11-11		Rating	2715.43
Round	Color	Result	Opponent
S1	Black	Win	Ishitani Shin-ichi	2364.43
S2	White	Draw	Hasegawa Kazuto	2595.38
S3	Black	Win	Miyagawa Junzo	2216.03
S4	Black	Win	Kudomi Takahiro	2422.19
S5	Black	Loss	Oosumi Yuuki	2828.64
13 Kanto Renju Emperor Tournament 1st round
Date	2012-10-21		Rating	2714.24
Round	Color	Result	Opponent
1	Black	Win	Tomobe Katsuhiro	2192.20
2	Black	Win	Maruta Hiroki	2121.93
3	Black	Draw	Fukui Nobuhiro	2553.59
4	Black	Win	Tada Ayako	2306.71
50th Meijinsen Tournament
Date	2012-09-17		Rating	2712.50
Round	Color	Result	Opponent
1	Black	Win	Nagasoe Hiroki	2552.69
2	Black	Loss	Nakamura Shigeru	2883.10
3	White	Win	Ono Takayuki	2431.77
4	Black	Win	Nakayama Tomoharu	2627.48
5	Black	Win	Matsuura Hiroshi	2330.52
6	White	Loss	Yamaguchi Yusui	2655.26
7	Black	Win	Iio Yoshihiro	2471.78
8	Black	Draw	Fukui Nobuhiro	2544.61
9	White	Win	Hasegawa Kazuto	2584.86
29th Kanto Championship
Date	2012-05-13		Rating	2700.67
Round	Color	Result	Opponent
1	Black	Win	Tada Ayako	2285.85
2	White	Loss	Nakamura Shigeru	2886.54
3	White	Win	Fukui Nobuhiro	2511.13
4	Black	Win	Matsuoka Teruo	2018.84
5	Black	Win	Kudomi Takahiro	2429.25
Team World Championship 2012
Date	2012-05-06		Rating	2699.81
Round	Color	Result	Opponent
1	White	Draw	He Qifa	2634.60
2	Black	Win	Piddubny Konstantin	2272.54
3	White	Draw	Chingin Konstantin	2823.14
4	Black	Loss	Yang Yu-Hsiung	2497.38
5	Black	Win	Lents Johann	2547.94
7	Black	Draw	Yin Licheng	2539.06
8	Black	Loss	He Qifa	2634.60
9	White	Draw	Chen Wei	2472.07
10	White	Win	Yin Licheng	2539.06
7th All Japan Championship
Date	2012-01-29		Rating	2699.95
Round	Color	Result	Opponent
1	White	Win	Miyoshi Takeo	2166.72
2	White	Loss	Isobe Taizan	2423.64
3	White	Draw	Kamiya Shunsuke	2461.34
4	White	Win	Fukui Nobuhiro	2489.10
5	White	Win	Tamada Yoichi	2488.93
6	White	Loss	Oosumi Yuuki	2792.17
12 Kanto Renju Emperor Tournament 2nd round
Date	2012-01-15		Rating	2701.53
Round	Color	Result	Opponent
1	White	Win	Kamiya Shunsuke	2458.33
2	Black	Win	Mitsumori Masao	2371.01
3	Black	Win	Nakayama Tomoharu	2602.47
4	Black	Loss	Nakamura Shigeru	2877.15
5	Black	Loss	Oosumi Yuuki	2790.72
43 Kyoto Classified Tournament
Date	2011-11-13		Rating	2708.26
Round	Color	Result	Opponent
S1	Black	Win	Hasegawa Kazuto	2557.10
S2	Black	Win	Doi Manabu	2111.37
S3	Black	Win	Miyagawa Junzo	2222.66
S4	Black	Win	Oosumi Yuuki	2776.93
S5	White	Win	Ishitani Shin-ichi	2394.52
12 Kanto Renju Emperor Tournament 1st round
Date	2011-10-23		Rating	2707.89
Round	Color	Result	Opponent
1	White	Win	Kato Yasuhiro	2073.80
2	Black	Win	Kudomi Takahiro	2422.39
3	Black	Loss	Nakayama Tomoharu	2590.17
4	Black	Win	Ishitani Shin-ichi	2394.79
49th Meijinsen Tournament
Date	2011-09-19		Rating	2708.55
Round	Color	Result	Opponent
1	White	Win	Kubo Izumi	2114.01
2	Black	Win	Miyoshi Takeo	2161.79
3	White	Win	Sakashita Shoichi	2147.54
4	White	Win	Matsuura Hiroshi	2382.60
5	Black	Loss	Yamaguchi Yusui	2655.30
6	Black	Win	Nakayama Tomoharu	2581.54
7	White	Win	Iio Yoshihiro	2495.50
8	White	Win	Hasegawa Kazuto	2559.53
9	White	Win	Kashihara Akihiko	2260.12
World Championship 2011, AT
Date	2011-08-10		Rating	2706.71
Round	Color	Result	Opponent
1	Black	Loss	Lin Huang-Yu	2785.07
2	Black	Draw	Artemyev Sergey	2604.30
3	Black	Win	Hou I-Cheng	2505.19
4	Black	Draw	Oosumi Yuuki	2754.06
5	White	Win	Oll Aivo	2703.25
6	Black	Draw	Cao Dong	2699.15
7	White	Loss	Taimla Tunnet	2802.79
8	White	Win	Andersson Tord	2440.61
9	Black	Loss	Huang Jin-xian	2616.08
10	White	Draw	Sushkov Vladimir	2777.68
11	Black	Loss	Dai Xiaohan	2700.68
World Championship 2011, QT
Date	2011-08-03		Rating	2707.14
Round	Color	Result	Opponent
1	White	Win	Ono Takayuki	2399.70
2	White	Win	Dai Xiaohan	2702.01
3	Black	Draw	Kise Katsumi	2554.90
4	Black	Draw	Kawamura Norihiko	2624.65
5	Black	Win	Hõbemägi Martin	2421.03
6	Black	Win	Nikonov Konstantin	2651.27
7	White	Draw	Soosõrv Ants	2754.86
6th All Japan Championship
Date	2011-03-27		Rating	2701.20
Round	Color	Result	Opponent
1	Black	Win	Tada Ayako	2209.97
2	White	Win	Mano Yoshihisa	2277.32
3	Black	Draw	Tamada Yoichi	2516.35
4	Black	Win	Iio Yoshihiro	2512.66
5	Black	Win	Kise Katsumi	2534.65
6	White	Loss	Oosumi Yuuki	2740.42
11 Kanto Renju Emperor Tournament final match
Date	2010-12-26		Rating	2697.23
Round	Color	Result	Opponent
1	White	Loss	Nakamura Shigeru	2860.88
2	Black	Loss	Nakamura Shigeru	2860.88
11 Kanto Renju Emperor Tournament 2nd round
Date	2010-11-21		Rating	2697.88
Round	Color	Result	Opponent
1	Black	Win	Fukui Nobuhiro	2351.99
2	Black	Win	Nakayama Tomoharu	2525.63
3	White	Win	Kudomi Takahiro	2414.14
4	Black	Win	Mitsumori Masao	2326.31
5	Black	Draw	Nakamura Shigeru	2860.83
42 Kyoto Classified Tournament
Date	2010-11-14		Rating	2697.33
Round	Color	Result	Opponent
S1	Black	Loss	Okumura Toyohiko	2334.31
S2	White	Win	Kubo Izumi	2105.64
S3	White	Win	Hata Masayuki	2179.81
S4	White	Win	Hasegawa Kazuto	2633.15
S5	White	Loss	Oosumi Yuuki	2721.98
11 Kanto Renju Emperor Tournament 1st round
Date	2010-10-31		Rating	2697.57
Round	Color	Result	Opponent
1	White	Win	Fujikawa Masaki	2085.98
2	Black	Win	Maruta Koji	2111.65
3	Black	Win	Mitsumori Masao	2325.78
4	Black	Draw	Oosumi Yuuki	2717.63
48th Meijinsen Tournament
Date	2010-09-20		Rating	2697.39
Round	Color	Result	Opponent
1	White	Win	Koiso Shigemasa	2174.74
2	Black	Win	Sakamoto Suzan	2352.42
3	Black	Loss	Oosumi Yuuki	2704.20
4	Black	Draw	Iio Yoshihiro	2531.28
5	White	Win	Tamada Yoichi	2499.25
6	White	Win	Kawano Takahisa	2322.64
7	Black	Win	Ishitani Shin-ichi	2392.30
8	White	Win	Matsuura Hiroshi	2392.99
9	Black	Loss	Yamaguchi Yusui	2592.63
27th Kanto Championship
Date	2010-05-23		Rating	2704.19
Round	Color	Result	Opponent
1	Black	Win	Ono Takayuki	2392.39
2	White	Win	Tamura Kazumasa	2512.44
3	White	Loss	Nakamura Shigeru	2859.12
4	Black	Win	Ishitani Shin-ichi	2399.53
5	Black	Win	Oosumi Yuuki	2667.30
Team World Championship 2010
Date	2010-05-05		Rating	2703.81
Round	Color	Result	Opponent
1	White	Loss	Nagao Noriaki	2376.47
3	Black	Win	Yin Licheng	2517.43
4	Black	Win	Chen Ko-Han	2567.26
5	Black	Draw	Epifanov Dmitry	2559.50
6	Black	Win	Eibatov Nizami	2316.40
7	White	Win	Purk Andry	2668.24
8	Black	Win	Chen Ko-Han	2567.26
9	Black	Loss	Yin Licheng	2517.43
10	White	Win	Purk Andry	2668.24
5th All Japan Championship
Date	2010-03-21		Rating	2702.56
Round	Color	Result	Opponent
1	Black	Win	Kobayashi Koichi	2132.94
2	Black	Win	Isobe Taizan	2394.99
3	White	Win	Nagao Noriaki	2373.91
4	White	Win	Tamura Kazumasa	2514.36
5	White	Win	Ishitani Shin-ichi	2398.95
6	Black	Win	Nakamura Shigeru	2854.42
10 Kanto Renju Emperor Tournament final match
Date	2010-02-21		Rating	2697.36
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2856.43
2	Black	Win	Nakamura Shigeru	2856.43
3	Black	Loss	Nakamura Shigeru	2856.43
13th Mikami Cup Tournament
Date	2010-01-31		Rating	2693.12
Round	Color	Result	Opponent
S1	Black	Win	Hara Masao	2006.96
S2	Black	Win	Isobe Taizan	2396.43
S3	White	Win	Ishitani Shin-ichi	2388.70
10 Kanto Renju Emperor Tournament 2nd round
Date	2009-12-20		Rating	2683.17
Round	Color	Result	Opponent
1	Black	Win	Tamura Kazumasa	2510.91
2	Black	Win	Ono Takayuki	2389.77
3	White	Loss	Nakamura Shigeru	2859.31
4	Black	Win	Nagao Noriaki	2352.91
5	Black	Draw	Tamada Yoichi	2421.26
40th Kyoto Classified - Special class
Date	2009-11-09		Rating	2673.57
Round	Color	Result	Opponent
1	White	Win	Sakamoto Suzan	2323.73
2	Black	Draw	Iio Yoshihiro	2521.61
3	Black	Win	Miyagawa Junzo	2200.59
4	Black	Loss	Oosumi Yuuki	2631.02
5	Black	Draw	Tamura Kazumasa	2510.00
41 Kyoto Classified Tournament
Date	2009-11-08		Rating	2673.43
Round	Color	Result	Opponent
S1	White	Win	Kudomi Takahiro	2366.15
S2	Black	Win	Mano Yoshihisa	2321.39
S3	Black	Loss	Miyoshi Takeo	2157.40
S4	Black	Loss	Iio Yoshihiro	2521.53
S5	White	Win	Sakamoto Suzan	2323.53
10 Kanto Renju Emperor Tournament 1st round
Date	2009-10-04		Rating	2673.34
Round	Color	Result	Opponent
1	Black	Win	Fujikawa Masaki	2051.06
2	Black	Win	Iwano Fumio	2149.61
3	Black	Win	Oosumi Yuuki	2626.78
4	White	Draw	Ono Takayuki	2402.09
47th Meijinsen tournament
Date	2009-09-22		Rating	2673.07
Round	Color	Result	Opponent
1	Black	Win	Kawamura Norihiko	2634.06
2	White	Win	Kataoka Mitsuaki	2259.25
3	Black	Win	Ishitani Shin-ichi	2369.95
4	Black	Loss	Tamura Kazumasa	2507.86
5	White	Win	Matsuura Hiroshi	2366.96
6	Black	Win	Sakamoto Suzan	2313.27
7	Black	Draw	Oosumi Yuuki	2626.89
8	Black	Win	Iio Yoshihiro	2516.43
9	Black	Win	Yamaguchi Yusui	2576.05
World Championship 2009, AT
Date	2009-08-13		Rating	2668.61
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2854.30
2	White	Win	Ono Takayuki	2406.90
3	Black	Loss	Cao Dong	2709.29
4	Black	Loss	Purk Andry	2679.69
5	White	Win	Chen Ko-Han	2554.37
6	White	Win	Kozhin Mikhail	2661.52
7	White	Loss	Karasyov Maxim	2607.91
8	White	Loss	Sushkov Vladimir	2808.18
9	Black	Loss	Wu Di	2654.59
10	Black	Loss	Taimla Tunnet	2835.76
11	Black	Win	Nykl Ondřej	2552.15
World Championship 2009, QT
Date	2009-08-05		Rating	2669.08
Round	Color	Result	Opponent
1	White	Loss	Savrasova Yulia	2660.29
2	Black	Win	Yao Jinrui	2340.97
3	Black	Win	Ono Takayuki	2408.33
4	White	Win	Yin Licheng	2500.56
5	Black	Draw	Nowakowski Maciej	2508.20
6	White	Win	Lin Huang-Yu	2604.60
7	Black	Draw	Cao Dong	2707.92
26th Kanto Championship
Date	2009-05-17		Rating	2670.82
Round	Color	Result	Opponent
1	Black	Win	Ono Takayuki	2410.02
2	Black	Win	Nagao Noriaki	2288.87
3	Black	Draw	Yamaguchi Yusui	2569.80
4	Black	Draw	Nakamura Shigeru	2857.85
5	Black	Draw	Tamura Kazumasa	2515.66
4th All Japan Championship
Date	2009-03-21		Rating	2670.93
Round	Color	Result	Opponent
1	White	Win	Nagao Noriaki	2273.05
2	White	Loss	Ishitani Shin-ichi	2391.22
3	Black	Win	Sakamoto Suzan	2294.51
4	White	Draw	Oosumi Yuuki	2612.36
5	Black	Draw	Mitsumori Masao	2349.05
6	White	Win	Ono Takayuki	2414.10
9 Kanto Renju Emperor Tournament final match
Date	2009-02-08		Rating	2675.12
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2859.65
2	White	Draw	Nakamura Shigeru	2859.65
3	Black	Win	Nakamura Shigeru	2859.65
4	White	Loss	Nakamura Shigeru	2859.65
12th Mikami Cup Tournament
Date	2009-01-18		Rating	2676.17
Round	Color	Result	Opponent
S1	White	Draw	Kawamura Norihiko	2656.90
S2	Black	Loss	Nagao Noriaki	2266.33
S3	Black	Win	Isobe Taizan	2400.09
S4	White	Win	Oosumi Yuuki	2591.80
S5	White	Loss	Nakamura Shigeru	2861.08
46 Meijinsen Match R3-R4
Date	2008-11-23		Rating	2682.98
Round	Color	Result	Opponent
3	Black	Loss	Hasegawa Kazuto	2739.67
9th Kanto Renju Emperor Tournament, 2nd round
Date	2008-11-16		Rating	2684.16
Round	Color	Result	Opponent
1	White	Win	Kudomi Takahiro	2356.26
2	Black	Win	Sato Kiyotomi	2451.80
3	White	Win	Nakayama Tomoharu	2289.74
4	White	Win	Kato Yasuhiro	2001.60
5	Black	Draw	Nakamura Shigeru	2860.48
9th Kanto Renju Emperor Tournament, 1st round
Date	2008-10-26		Rating	2686.09
Round	Color	Result	Opponent
1	Black	Win	Tanizaki Ryusuke	2128.43
2	Black	Draw	Ono Takayuki	2410.37
3	Black	Win	Nakayama Tomoharu	2286.62
4	White	Win	Tamada Yoichi	2268.92
46 Meijinsen Match R1-R2
Date	2008-10-19		Rating	2686.82
Round	Color	Result	Opponent
1	White	Draw	Hasegawa Kazuto	2744.18
2	Black	Loss	Hasegawa Kazuto	2744.18
46th Meijinsen Tournament
Date	2008-09-15		Rating	2691.66
Round	Color	Result	Opponent
1	White	Draw	Kawamura Norihiko	2663.06
2	Black	Win	Matsuura Hiroshi	2328.29
3	White	Win	Iio Yoshihiro	2508.36
4	Black	Win	Ishitani Shin-ichi	2396.56
5	Black	Win	Oosumi Yuuki	2560.98
6	Black	Win	Kataoka Mitsuaki	2251.59
7	White	Win	Yamaguchi Yusui	2583.05
8	Black	Win	Hata Masayuki	2260.64
9	White	Win	Sato Kiyotomi	2443.95
Youth World Championship 2008
Date	2008-08-10		Rating	2690.81
Round	Color	Result	Opponent
A1	White	Win	Zajk Michał	2373.25
A2	White	Win	Tamioła Artur	2402.90
A3	White	Draw	Oll Aivo	2754.00
A4	White	Win	Lents Johann	2482.03
A5	White	Loss	Demján Attila	2746.92
A6	White	Draw	Purk Andry	2640.96
A7	Black	Draw	Ilu Timo	2562.21
A8	White	Win	Tamada Yoichi	2248.55
A9	White	Win	Myasoyedov Yevgeni	2366.19
A10	White	Win	Laube Pavel	2467.15
A11	Black	Win	Andrzejewski Wawrzyniec	2284.72
RIF 20 years anniversary celebration tournament
Date	2008-08-07		Rating	2690.58
Round	Color	Result	Opponent
1	White	Draw	Karlsson Stefan	2598.02
2	White	Win	Sobolev Pavel	2176.93
3	White	Win	Jonsson Peter	2330.76
4	Black	Win	Poghosyan Albert	2379.33
5	Black	Win	Nykl Ondřej	2465.97
6	Black	Win	Ono Takayuki	2407.41
25th Kanto Championship
Date	2008-05-18		Rating	2679.52
Round	Color	Result	Opponent
1	White	Win	Maruta Hiroki	2038.46
2	Black	Win	Tamada Yoichi	2224.20
3	Black	Loss	Nakamura Shigeru	2859.78
4	Black	Win	Isobe Taizan	2425.82
5	White	Win	Arita Nobuyoshi	2394.27
3rd All Japan Championship
Date	2008-03-23		Rating	2670.74
Round	Color	Result	Opponent
1	Black	Win	Tamada Yoichi	2207.50
2	Black	Draw	Kudomi Takahiro	2335.34
3	Black	Win	Sato Kiyotomi	2416.57
4	Black	Loss	Nakamura Shigeru	2856.96
5	White	Win	Ono Takayuki	2396.25
6	Black	Draw	Isobe Taizan	2436.82
8 Kanto Renju Emperor Tournament final match
Date	2008-02-24		Rating	2667.90
Round	Color	Result	Opponent
1	White	Draw	Nakamura Shigeru	2856.24
2	Black	Win	Nakamura Shigeru	2856.24
3	Black	Loss	Nakamura Shigeru	2856.24
4	White	Loss	Nakamura Shigeru	2856.24
8th Kanto Renju Emperor Tournament 2nd round
Date	2007-12-16		Rating	2657.00
Round	Color	Result	Opponent
1	Black	Loss	Ishitani Shin-ichi	2401.29
2	White	Loss	Nakamura Shigeru	2858.24
3	White	Win	Kurata Kiyotaka	2275.68
4	Black	Win	Isobe Taizan	2436.07
5	White	Win	Ono Takayuki	2386.86
39th Kyoto Classified - Special Class
Date	2007-11-11		Rating	2653.73
Round	Color	Result	Opponent
1	Black	Win	Sakamoto Suzan	2278.03
2	White	Win	Okumura Toyohiko	2324.44
3	Black	Draw	Hasegawa Kazuto	2768.31
4	White	Win	Oosumi Yuuki	2559.16
5	Black	Win	Iio Yoshihiro	2535.27
The 45th Meijin-sen Tournament
Date	2007-09-17		Rating	2641.88
Round	Color	Result	Opponent
1	Black	Win	Miyoshi Takeo	2303.39
2	White	Win	Kawamura Norihiko	2632.25
3	White	Win	Iio Yoshihiro	2538.43
4	White	Win	Hiwatashi Kikuma	1887.80
5	Black	Win	Sato Kiyotomi	2399.58
6	Black	Loss	Yamaguchi Yusui	2654.07
7	White	Loss	Oosumi Yuuki	2556.58
8	White	Win	Isobe Taizan	2436.59
9	White	Win	Matsuura Hiroshi	2302.23
World Championship 2007, AT
Date	2007-08-15		Rating	2633.19
Round	Color	Result	Opponent
1	White	Draw	Savrasova Yulia	2696.82
2	White	Win	Iio Yoshihiro	2540.09
3	Black	Win	Oll Aivo	2655.97
4	White	Draw	Karlsson Stefan	2612.94
5	White	Loss	Yamaguchi Yusui	2657.37
6	White	Loss	Wu Di	2705.91
7	Black	Loss	Taimla Tunnet	2785.07
8	White	Loss	Chingin Konstantin	2800.25
9	Black	Loss	Sushkov Vladimir	2759.45
10	Black	Draw	Kozhin Mikhail	2595.50
11	White	Loss	Purk Andry	2652.04
World Championship 2007, QT
Date	2007-08-08		Rating	2632.37
Round	Color	Result	Opponent
1	White	Win	Eriksson Marcus	2302.88
2	White	Win	Ikonen Jussi	2264.40
3	Black	Draw	Iio Yoshihiro	2540.73
4	Black	Win	Oosumi Yuuki	2548.61
5	Black	Win	Lin Huang-Yu	2523.16
6	Black	Draw	Poghosyan Albert	2389.00
7	White	Loss	Wu Di	2703.93
24th Kanto Championship Tournament
Date	2007-05-06		Rating	2619.97
Round	Color	Result	Opponent
1	Black	Win	Iwano Fumio	2158.55
2	White	Win	Kubo Izumi	2099.94
3	Black	Win	Sato Kiyotomi	2421.34
4	White	Win	Isobe Taizan	2431.65
5	Black	Win	Kudomi Takahiro	2335.52
The 5th Shanghai Renju Meijin Invitation Tournament
Date	2007-05-03		Rating	2619.32
Round	Color	Result	Opponent
1	Black	Loss	Yamaguchi Yusui	2647.20
2	Black	Win	Ge Chongyu	2392.39
3	Black	Loss	Cao Dong	2628.17
SF1	Black	Win	Mitsumori Masao	2270.81
SF2	Black	Draw	Isobe Taizan	2431.64
SF3	Black	Loss	Zhu Jianfeng	2517.41
SF4	White	Draw	Zhang Yifeng	2382.61
7th Kanto Renju Emperor Tournament - Final
Date	2007-02-25		Rating	2618.15
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2850.89
2	Black	Draw	Nakamura Shigeru	2850.89
3	Black	Draw	Nakamura Shigeru	2850.89
The 7th Kanto Renju Emperor Tournament, 2nd round
Date	2006-12-10		Rating	2613.57
Round	Color	Result	Opponent
	White	Win	Hara Masao	2085.43
	White	Win	Kudomi Takahiro	2297.66
	White	Win	Nagao Noriaki	2244.29
	White	Win	Sato Kiyotomi	2434.04
	Black	Loss	Nakamura Shigeru	2852.20
38th Kyoto Classified - Special class
Date	2006-11-12		Rating	2610.82
Round	Color	Result	Opponent
1	White	Win	Miyagawa Junzo	2274.44
2	Black	Win	Miyoshi Takeo	2283.24
3	White	Win	Miyagawa Sou	2176.08
4	Black	Win	Takashima Junya	2507.59
5	White	Draw	Oosumi Yuuki	2474.58
The 44th Meijin-sen Tournament
Date	2006-09-18		Rating	2602.33
Round	Color	Result	Opponent
1	Black	Loss	Yamaguchi Yusui	2638.84
2	Black	Win	Iio Yoshihiro	2513.12
3	Black	Win	Nagao Noriaki	2243.25
4	White	Draw	Fujii Naoki	2137.58
5	Black	Loss	Kawamura Norihiko	2666.25
6	White	Win	Sato Kiyotomi	2442.51
7	White	Win	Ishitani Shin-ichi	2363.21
8	Black	Draw	Oosumi Yuuki	2455.01
9	White	Win	Matsuura Hiroshi	2300.79
Asian Championship 2006
Date	2006-08-15		Rating	2598.47
Round	Color	Result	Opponent
1	White	Win	Yoon Seong-Won	1832.24
2	White	Win	Kim Kyu-Cheol	2002.19
3	White	Loss	Kim Chang-Hoon	2543.94
4	White	Win	Choi Yun Suk	2269.55
5	Black	Win	Kim Gyu-Hyeon	2493.30
6	White	Win	Kim Byoung-Jun	2505.40
7	White	Draw	Yamaguchi Yusui	2636.55
8	Black	Win	Iio Yoshihiro	2512.29
Youth World Championship 2006
Date	2006-08-08		Rating	2597.10
Round	Color	Result	Opponent
a1	White	Draw	Takashima Junya	2503.61
a2	Black	Loss	Duan Ran	2351.92
a3	Black	Win	Hallkvist Joel	2060.01
a4	White	Win	Maruta Hiroki	1997.33
a5	White	Draw	Zhang Cheng	2454.61
a6	Black	Loss	Lents Johann	2512.19
a7	White	Win	Blomstedt Torbjorn	2125.46
a8	Black	Draw	Qiu Yunfei	2525.80
23rd Kanto Championship
Date	2006-05-21		Rating	2596.59
Round	Color	Result	Opponent
1	Black	Win	Ono Takayuki	2299.78
2	White	Win	Tadokoro Hosai	1935.03
3	Black	Draw	Mitsumori Masao	2258.92
4	White	Win	Arita Nobuyoshi	2369.66
5	White	Draw	Yamaguchi Yusui	2638.24
Team World Championship 2006
Date	2006-05-05		Rating	2596.36
Round	Color	Result	Opponent
1	Black	Draw	Saarenpää Samuli	2463.03
2	Black	Win	Karlsson Stefan	2555.84
3	Black	Loss	Meritee Ando	2866.53
4	Black	Win	Salnikov Pavel	2537.28
5	Black	Win	Chen Wei	2542.62
6	Black	Loss	Sushkov Vladimir	2724.29
7	Black	Loss	Ilu Timo	2566.94
F1	Black	Win	Karlsson Stefan	2555.84
F2	Black	Loss	Karlsson Stefan	2555.84
6th Kanto Renju Emperor Tournament - Final match
Date	2005-12-04		Rating	2595.15
Round	Color	Result	Opponent
1	White	Win	Yamaguchi Yusui	2603.86
2	Black	Loss	Yamaguchi Yusui	2603.86
3	White	Draw	Yamaguchi Yusui	2603.86
4	Black	Win	Yamaguchi Yusui	2603.86
37th Kyoto Classified - Special class
Date	2005-11-13		Rating	2593.70
Round	Color	Result	Opponent
1	Black	Draw	Ishitani Shin-ichi	2393.39
2	White	Win	Yamaguchi Yusui	2598.90
3	White	Win	Takashima Junya	2518.14
4	White	Draw	Iio Yoshihiro	2480.51
5	Black	Draw	Miyoshi Takeo	2279.89
6th Kanto Renju Emperor Tournament - Semifinal
Date	2005-10-23		Rating	2591.96
Round	Color	Result	Opponent
	White	Draw	Yamaguchi Yusui	2596.07
	Black	Loss	Isobe Taizan	2458.14
	Black	Win	Kamemoto Daichi	2181.02
	Black	Win	Sato Kiyotomi	2394.98
	Black	Win	Koyama Jun	2300.16
The 43rd Meijin-sen Tournament
Date	2005-09-19		Rating	2589.86
Round	Color	Result	Opponent
1	Black	Win	Oosumi Yuuki	2392.40
2	Black	Loss	Takashima Junya	2510.47
3	Black	Draw	Ishitani Shin-ichi	2398.92
4	White	Win	Matsuura Hiroshi	2349.95
5	White	Loss	Hasegawa Kazuto	2703.25
6	Black	Win	Tanaka Koichi	2333.96
7	White	Win	Sato Kiyotomi	2392.84
8	White	Win	Kawate Kozo	2173.72
9	Black	Win	Yamaguchi Yusui	2590.01
World Championship 2005, AT
Date	2005-08-07		Rating	2586.00
Round	Color	Result	Opponent
1	Black	Loss	Purk Andry	2569.33
2	Black	Loss	Chingin Konstantin	2737.01
3	Black	Draw	Artemyev Sergey	2652.98
4	Black	Draw	Taimla Tunnet	2754.73
5	Black	Draw	Karlsson Stefan	2544.49
6	White	Win	Savrasova Yulia	2659.77
7	Black	Draw	Hermansson Hannes	2422.37
8	Black	Loss	Meritee Ando	2851.96
9	Black	Draw	Sushkov Vladimir	2697.92
10	Black	Draw	Tarannikov Yuriy	2613.67
11	Black	Win	Andersson Tord	2384.87
43rd Meijinsen Qualification: East Japan Final
Date	2005-07-11		Rating	2583.33
Round	Color	Result	Opponent
	White	Loss	Sato Kiyotomi	2395.08
	Black	Draw	Itami Yoshiyuki	2189.78
	Black	Win	Mitsumori Masao	2276.03
43rd Meijinsen Qualification: East Japan 1st round
Date	2005-06-12		Rating	2583.71
Round	Color	Result	Opponent
1	Black	Win	Tanno Yoshitaka	2094.12
2	White	Win	Ono Takayuki	2292.62
3	Black	Win	Itami Yoshiyuki	2189.66
4	Black	Loss	Mitsumori Masao	2273.66
22nd Kanto Championship
Date	2005-05-22		Rating	2585.26
Round	Color	Result	Opponent
1	White	Win	Matsuoka Teruo	1859.55
2	Black	Win	Kamemoto Daichi	2132.44
3	Black	Win	Yamaguchi Yusui	2562.64
4	White	Win	Kawamura Norihiko	2692.83
5	Black	Draw	Isobe Taizan	2466.40
Japan WC Qualification tournament
Date	2005-04-03		Rating	2583.23
Round	Color	Result	Opponent
1	White	Win	Arita Nobuyoshi	2302.40
2	Black	Win	Miyagawa Junzo	2253.80
3	Black	Loss	Isobe Taizan	2463.61
4	Black	Draw	Ono Takayuki	2295.99
5	White	Win	Oosumi Yuuki	2370.23
6	White	Win	Matsuura Hiroshi	2389.74
5th Kanto Renju Emperor Tournament - Final
Date	2005-01-30		Rating	2582.28
Round	Color	Result	Opponent
1	White	Win	Yamaguchi Yusui	2561.56
2	Black	Win	Yamaguchi Yusui	2561.56
5th Kanto Renju Emperor Tournament - 2nd round
Date	2004-12-19		Rating	2577.25
Round	Color	Result	Opponent
	White	Win	Mitsumori Masao	2247.23
	White	Win	Kudomi Takahiro	2329.24
	White	Win	Ono Takayuki	2294.23
	White	Win	Sato Kiyotomi	2368.94
	Black	Loss	Yamaguchi Yusui	2568.78
5th Kanto Renju Emperor Tournament - 1st round
Date	2004-11-28		Rating	2574.25
Round	Color	Result	Opponent
1	Black	Win	Maruta Hiroki	1958.55
2	White	Win	Nagao Noriaki	2246.50
3	Black	Win	Arita Nobuyoshi	2280.66
4	White	Draw	Sato Kiyotomi	2368.92
The 42nd Meijin-sen Tournament
Date	2004-09-20		Rating	2564.03
Round	Color	Result	Opponent
1	Black	Loss	Iio Yoshihiro	2456.98
2	Black	Win	Sakamoto Suzan	2292.87
3	Black	Draw	Takagawa Teiji	2337.01
4	White	Draw	Kawamura Norihiko	2721.65
5	White	Draw	Matsuura Hiroshi	2405.68
6	White	Draw	Ishitani Shin-ichi	2378.35
7	White	Loss	Saito Koji	2192.77
8	Black	Win	Sakashita Shoichi	2206.23
9	White	Loss	Hasegawa Kazuto	2656.98
Youth World Championship 2004
Date	2004-08-06		Rating	2568.15
Round	Color	Result	Opponent
4	White	Win	Lysakov Mikhail	2435.29
9	Black	Win	Mossinyan David	2244.90
A1	White	Win	Miyagawa Sou	2118.11
A2	White	Win	Vershinin Pavel	2594.64
A3	White	Win	Tamura Kazumasa	2334.86
A5	White	Win	Oll Aivo	2466.78
A6	White	Win	Ilu Timo	2531.21
A7	White	Win	Lents Johann	2552.82
A8	White	Win	Purk Andry	2438.83
A10	White	Win	Antanyan Samvel	2218.00
A11	White	Loss	Nagao Noriaki	2254.34
42nd Meijinsen Qualification: East Japan 2nd round
Date	2004-07-11		Rating	2564.37
Round	Color	Result	Opponent
	White	Loss	Kawamura Norihiko	2722.59
	Black	Loss	Sato Kiyotomi	2357.48
	White	Win	Kudomi Takahiro	2328.49
4th Kanto Renju Emperor Tournament - Final
Date	2004-02-29		Rating	2557.62
Round	Color	Result	Opponent
1	Black	Draw	Yamaguchi Yusui	2594.69
2	Black	Win	Yamaguchi Yusui	2594.69
3	Black	Loss	Yamaguchi Yusui	2594.69
4	Black	Loss	Yamaguchi Yusui	2594.69
7th Mikami Cup - Special Class
Date	2004-01-25		Rating	2556.95
Round	Color	Result	Opponent
1	Black	Draw	Mitsumori Masao	2261.83
2	Black	Loss	Yamaguchi Yusui	2595.55
4	White	Win	Kudomi Takahiro	2323.17
4th Kanto Renju Emperor Tournament - 2nd round
Date	2003-11-30		Rating	2559.53
Round	Color	Result	Opponent
	White	Win	Nagao Noriaki	2282.34
	White	Win	Mitsumori Masao	2267.64
	White	Win	Maruta Koji	2230.14
	White	Win	Isobe Taizan	2424.52
	White	Draw	Yamaguchi Yusui	2595.33
4th Kanto Renju Emperor Tournament - 1st round
Date	2003-11-16		Rating	2558.89
Round	Color	Result	Opponent
1	Black	Win	Sasaki Miyu	1940.06
2	White	Win	Sato Takuma	2145.64
3	Black	Win	Ono Takayuki	2214.61
4	White	Win	Isobe Taizan	2423.34
41st Meijin-sen Tournament
Date	2003-09-15		Rating	2552.30
Round	Color	Result	Opponent
1	Black	Win	Miyagawa Junzo	2262.34
2	White	Draw	Hasegawa Kazuto	2627.31
3	White	Win	Ishitani Shin-ichi	2384.66
4	Black	Draw	Takashima Junya	2342.79
5	Black	Draw	Kudomi Takahiro	2341.75
6	Black	Win	Isobe Taizan	2418.21
7	White	Loss	Matsuura Hiroshi	2410.01
8	Black	Win	Kuga Akio	2384.81
9	Black	Loss	Iio Yoshihiro	2498.45
World Championship 2003, AT
Date	2003-08-08		Rating	2551.13
Round	Color	Result	Opponent
1	White	Loss	Sushkov Vladimir	2692.03
2	Black	Win	Yamaguchi Yusui	2580.58
3	Black	Draw	Iio Yoshihiro	2496.34
4	White	Loss	Taimla Tunnet	2710.52
5	Black	Loss	Chingin Konstantin	2716.70
6	Black	Loss	Meritee Ando	2803.22
7	Black	Win	Sinyov Igor	2557.36
8	White	Win	Karlsson Stefan	2559.30
9	Black	Win	Gaulitz Joachim	2408.61
10	White	Win	Andersson Tord	2381.76
11	Black	Win	Carlsson Martin	2430.01
41th Meijinsen Qualification: East Japan 2nd round
Date	2003-07-13		Rating	2546.47
Round	Color	Result	Opponent
	White	Draw	Isobe Taizan	2430.46
	Black	Draw	Sato Kiyotomi	2301.00
	Black	Win	Suzuki Naoya	2318.49
41th Meijinsen Qualification: East Japan 1st round
Date	2003-06-08		Rating	2541.17
Round	Color	Result	Opponent
1	Black	Win	Ono Takayuki	2191.21
2	White	Win	Nagao Noriaki	2308.48
3	Black	Draw	Suzuki Naoya	2318.81
4	White	Win	Sano Hiroyuki	2210.64
Japan WC Qualification 2003
Date	2003-03-22		Rating	2527.89
Round	Color	Result	Opponent
1	Black	Win	Nagao Noriaki	2307.83
2	Black	Win	Unoura Hidenori	2174.04
3	Black	Win	Isobe Taizan	2441.71
4	White	Win	Ishitani Shin-ichi	2392.22
5	Black	Win	Miyoshi Takeo	2243.74
34th Kyoto Classified - special class
Date	2002-11-10		Rating	2487.94
Round	Color	Result	Opponent
1	White	Loss	Iio Yoshihiro	2442.77
2	White	Win	Miyagawa Junzo	2250.56
3	Black	Win	Adachi Yasuhiro	2003.25
4	White	Win	Doi Manabu	2106.54
5	White	Loss	Kudomi Takahiro	2392.18
40th Meijin-sen Tournament
Date	2002-09-16		Rating	2476.41
Round	Color	Result	Opponent
1	White	Win	Kudomi Takahiro	2394.69
2	Black	Loss	Isobe Taizan	2448.04
3	White	Loss	Iio Yoshihiro	2434.13
4	Black	Win	Ishitani Shin-ichi	2393.63
5	Black	Loss	Yamaguchi Yusui	2591.83
6	White	Win	Nishimura Toshio	2355.29
7	White	Loss	Takagawa Teiji	2361.07
8	White	Win	Matsuura Hiroshi	2314.99
9	White	Loss	Hasegawa Kazuto	2593.11
Youth World Championship 2002
Date	2002-08-02		Rating	2472.26
Round	Color	Result	Opponent
A1	White	Win	Nagao Noriaki	2304.98
A2	White	Win	Novikov Nikolay	2186.52
A3	White	Loss	Chingin Konstantin	2657.92
A4	White	Win	Nekrasov Denis	2367.60
A5	White	Win	Lents Johann	2431.02
A6	White	Win	Vershinin Pavel	2459.97
A7	White	Win	Karasyov Maxim	2483.10
A8	White	Draw	Kazarin Mikhail	2424.96
A9	Black	Loss	Mossinyan David	2252.82
A10	White	Draw	Tamura Kazumasa	2260.98
A11	Black	Win	Provorov Yury	2201.53
40th Meijinsen Qualification: East Japan 2nd round
Date	2002-07-14		Rating	2468.33
Round	Color	Result	Opponent
	White	Win	Sunagawa Shouki	2172.69
	White	Win	Nara Hideki	2551.88
	White	Draw	Isobe Taizan	2451.45
40th Meijinsen Qualification: East Japan 1st round
Date	2002-06-02		Rating	2456.16
Round	Color	Result	Opponent
1	Black	Draw	Kato Yasuhiro	2099.12
2	Black	Win	Ohno Syunzo	1995.82
3	Black	Win	Arita Nobuyoshi	2156.95
4	White	Win	Sunagawa Shouki	2180.65
World Championship 2001, BT
Date	2001-08-12		Rating	2370.92
Round	Color	Result	Opponent
1	White	Win	Dzainukov Eldar	2017.07
2	White	Win	Gaujens Artis	2059.02
3	Black	Draw	Nosovsky Alexander	2172.02
4	White	Win	Khramov Andrey	2204.69
5	Black	Loss	Carlsson Martin	2309.14
6	Black	Loss	Henningsson Anders	2457.50
7	Black	Draw	Miyoshi Takeo	2203.37
8	White	Win	Sakamoto Suzan	2214.82
World Championship 2001, QT
Date	2001-08-06		Rating	2369.60
Round	Color	Result	Opponent
1	White	Draw	Park Jeong Ho	2305.89
2	Black	Win	Eibatov Nizami	2362.04
3	Black	Draw	Kusajima Masato	2393.97
4	Black	Win	Kim Byoung-Jun	2455.54
5	Black	Draw	Gardström Petter	2516.37
6	Black	Loss	Nara Hideki	2542.95
7	White	Loss	Lin Sheng-Min	2207.29
Japan WC Qualification tournament
Date	2001-03-24		Rating	2335.82
Round	Color	Result	Opponent
1	White	Draw	Mitsumori Masao	2299.47
2	White	Loss	Hasegawa Kazuto	2564.50
3	White	Win	Iwata Akihisa	2198.48
4	White	Loss	Isobe Taizan	2443.53
5	White	Draw	Koiso Shigemasa	2172.12
6	White	Win	Sakamoto Suzan	2178.17
7	Black	Win	Miyagawa Sou	1969.78
Youth World Championship 2000
Date	2000-08-04		Rating	2280.98
Round	Color	Result	Opponent
A1	White	Loss	Grishnin Stepan	2121.97
A3	White	Loss	Diner Stanislav	2244.43
A4	Black	Draw	Widman Christofher	1810.82
A5	White	Win	Unoura Kazuhisa	1930.14
A6	Black	Win	Fjellstrom Kristoffer	1799.36
A7	Black	Loss	Hermansson Hannes	2343.54
A9	White	Draw	Karasyov Maxim	2332.80
38th Meijinsen Qualification: East Japan 1st round
Date	2000-06-04		Rating	2279.20
Round	Color	Result	Opponent
4	White	Win	Hara Masao	2121.45
Kanto Championship
Date	2000-05-14		Rating	2277.92
Round	Color	Result	Opponent
1	White	Win	Nara Hideki	2567.08
2	Black	Loss	Mitsumori Masao	2297.06
3	Black	Draw	Omata Mitsuo	1872.49
4	Black	Win	Hara Masao	2121.76