Okabe Hiroshi (岡部寛)

Place: Tokyo, Japan

Birth: 1985-12-14

Rating: 2668.43, Std: 64.17, Rank: 31

First game: 2000-05-14, Last game: 2026-10-20

Top rating: 2763.51 (2014-01-26)

Games: 1203, Wins: 707, Draws: 246, Losses: 250

Gy1: 57, Gy2: 108, Gy5: 233

2026 Bay Area (Shenzhen) Renju Elite Tournament
Date	2026-10-20		Rating	2668.43
Round	Color	Result	Opponent
1	White	Loss	Ling Shijie	2880.40
2	White	Draw	Wai Chan Keong	2766.68
3	Black	Win	Song Lingjia	2444.43
4	Black	Win	Cheng Yanzhen	2513.49
5	White	Draw	He Shujun	2719.10
6	Black	Win	Li Ke	2249.11
7	White	Loss	Wan Junhong	2596.05
8	White	Loss	Meng Jiehuan	2526.29
64th Meijinsen Tournament
Date	2026-10-12		Rating	2669.07
Round	Color	Result	Opponent
1	Black	Draw	Takashima Junya	2498.83
2	Black	Win	Kawamura Norihiko	2538.62
3	White	Win	Kawano Takahisa	2583.34
4	White	Draw	Makino Mitsunori	2717.23
5	White	Win	Matsuda Shoma	2551.26
6	White	Loss	Nakayama Tomoharu	2797.81
7	Black	Loss	Inoue Fumiya	2605.65
8	White	Draw	Kuga Akio	2384.65
9	White	Draw	Wang Qingqing	2739.48
Renju Team World Championship 2026
Date	2026-08-14		Rating	2675.61
Round	Color	Result	Opponent
1	Black	Win	Żukowski Michał	2531.71
2	White	Loss	Ling Shijie	2875.66
3	White	Loss	Karasyov Maxim	2584.78
4	Black	Loss	Oll Aivo	2612.27
7	Black	Loss	Sushkov Vladimir	2797.13
8	Black	Draw	Huang Shengming	2747.46
43rd Kanto Championship
Date	2026-04-05		Rating	2710.27
Round	Color	Result	Opponent
1	White	Win	Ishitani Shin-ichi	2334.28
2	White	Draw	Yoshikawa Tomoki	2480.63
3	White	Win	Fujita Maiko	2480.59
4	Black	Win	Tanaka Shotaro	2401.28
5	White	Win	Kamiya Shunsuke	2845.67
6	White	Draw	Inoue Fumiya	2593.53
17th Tohoku Championshp
Date	2026-03-15		Rating	2714.22
Round	Color	Result	Opponent
1	Black	Win	Hirono Masakazu	1949.19
2	White	Win	Yoshikawa Tomoki	2478.64
3	Black	Win	Kusajima Masato	2256.07
4	White	Win	Ishitani Shin-ichi	2335.32
5	White	Win	Miyamoto Syunju	2338.37
20th All Japan Championship
Date	2026-02-23		Rating	2716.89
Round	Color	Result	Opponent
1	White	Win	Yoshikawa Tomoki	2475.26
2	Black	Draw	Fukui Nobuhiro	2591.53
3	Black	Win	Matsuda Shoma	2574.85
4	White	Draw	Inoue Fumiya	2591.29
5	Black	Win	Kawamura Norihiko	2540.36
6	White	Loss	Nakayama Tomoharu	2817.97
29th New Year (Mikami) Cup
Date	2026-01-11		Rating	2722.31
Round	Color	Result	Opponent
S1	Black	Win	Matsuda Shoma	2590.39
S2	White	Draw	Inoue Fumiya	2585.83
S3	Black	Win	Ishitani Shin-ichi	2347.77
S4	White	Win	Wang Qingqing	2716.97
S5	White	Draw	Kamiya Shunsuke	2855.25
26 Kanto Renju Emperor Tournament Final round
Date	2025-12-07		Rating	2723.18
Round	Color	Result	Opponent
1	White	Win	Maruta Hiroki	2255.09
2	Black	Win	Ono Takayuki	2392.04
3	White	Loss	Koyama Jun	2647.62
4	White	Loss	Kamiya Shunsuke	2861.65
5	White	Win	Inoue Fumiya	2583.89
6	Black	Win	Yoshikawa Tomoki	2456.93
7	Black	Win	Fujita Maiko	2490.35
57 Kyoto Classified Tournament
Date	2025-11-22		Rating	2723.61
Round	Color	Result	Opponent
1	Black	Win	Hasegawa Kazuto	2432.96
2	White	Win	Makino Mitsunori	2687.77
3	Black	Win	Yoshikawa Tomoki	2453.52
4	Black	Win	Yoshida Hisao	2178.71
5	White	Draw	Tachi Masaya	2527.51
63rd Meijinsen Tournament
Date	2025-10-13		Rating	2722.22
Round	Color	Result	Opponent
1	Black	Draw	Nakayama Tomoharu	2812.18
2	Black	Draw	Matsuda Shoma	2606.40
3	White	Draw	Kuga Akio	2420.87
4	Black	Win	Kawano Takahisa	2574.59
5	White	Win	Mano Yoshihisa	2206.19
6	Black	Win	Takashima Junya	2461.54
7	White	Loss	Tachi Masaya	2523.71
8	White	Win	Makino Mitsunori	2687.54
9	Black	Loss	Wang Qingqing	2715.80
World Championship 2025, AT
Date	2025-08-15		Rating	2724.57
Round	Color	Result	Opponent
1	Black	Draw	He Shujun	2692.20
2	White	Draw	Oll Aivo	2635.39
3	White	Draw	Nakayama Tomoharu	2810.24
4	White	Draw	Cao Dong	2775.53
5	Black	Draw	Kamiya Shunsuke	2861.31
6	White	Loss	Gromov Danila	2654.01
7	White	Win	Mesila Villem	2543.36
8	Black	Draw	Mei Fan	2742.65
9	White	Win	Li Xiaoqing	2663.00
10	White	Loss	Ni Zhongxing	2804.91
11	White	Draw	Lu Hai	2596.28
42nd Kanto Championship
Date	2025-06-28		Rating	2727.84
Round	Color	Result	Opponent
1	Black	Win	Maruta Hiroki	2271.04
2	Black	Win	Ono Takayuki	2409.54
3	Black	Win	Tachi Masaya	2523.48
4	White	Draw	Matsuda Shoma	2611.80
5	White	Win	Ishitani Shin-ichi	2367.73
6	White	Draw	Yoshikawa Tomoki	2393.76
ex	Black	Draw	Matsuda Shoma	2611.80
19th All Japan Championship
Date	2025-06-28		Rating	2727.84
Round	Color	Result	Opponent
1	White	Win	Tanaka Shotaro	2365.63
2	White	Win	Fujita Maiko	2492.66
3	Black	Draw	Matsuda Shoma	2611.80
4	White	Draw	Kamiya Shunsuke	2861.87
5	Black	Draw	Nakayama Tomoharu	2806.55
6	Black	Win	Tachi Masaya	2523.48
16th Tohoku Championship
Date	2025-03-09		Rating	2728.71
Round	Color	Result	Opponent
1	White	Win	Kusajima Masato	2239.10
2	Black	Win	Miyamoto Syunju	2312.80
3	Black	Win	Fujita Maiko	2475.90
4	Black	Win	Shimura Hiroki	2246.93
5	Black	Draw	Kawaai Hitoshi	2068.35
28th New Year (Mikami) Cup
Date	2025-01-19		Rating	2729.58
Round	Color	Result	Opponent
S1	Black	Loss	Fujita Maiko	2469.76
S2	White	Loss	Inoue Fumiya	2548.56
S4	Black	Win	Ishitani Shin-ichi	2393.75
S5	Black	Win	Kawamura Norihiko	2515.85
25 Kanto Renju Emperor Tournament Final round
Date	2024-12-08		Rating	2735.94
Round	Color	Result	Opponent
1	Black	Win	Miyamoto Syunju	2315.89
2	White	Win	Ono Takayuki	2413.40
3	Black	Draw	Wang Qingqing	2693.92
4	White	Loss	Inoue Fumiya	2539.39
5	Black	Win	Kamiya Shunsuke	2862.26
6	Black	Win	Matsuda Shoma	2541.15
7	White	Draw	Fujita Maiko	2463.89
62nd Meijinsen match R3-4
Date	2024-11-24		Rating	2738.08
Round	Color	Result	Opponent
3	Black	Draw	Kamiya Shunsuke	2862.49
4	Black	Draw	Kamiya Shunsuke	2862.49
62nd Meijinsen match R1-2
Date	2024-11-04		Rating	2740.36
Round	Color	Result	Opponent
1	Black	Loss	Kamiya Shunsuke	2863.31
2	White	Draw	Kamiya Shunsuke	2863.31
62nd Meijinsen Tournament
Date	2024-10-14		Rating	2743.13
Round	Color	Result	Opponent
1	White	Win	Kawano Takahisa	2550.53
2	Black	Win	Inoue Fumiya	2531.73
3	White	Win	Matsuda Shoma	2519.73
4	Black	Win	Yamane Tomohiro	2051.44
5	White	Draw	Makino Mitsunori	2663.07
6	Black	Win	Tachi Masaya	2587.46
7	White	Win	Ishitani Shin-ichi	2408.71
8	Black	Draw	Nakayama Tomoharu	2791.26
9	White	Win	Kuga Akio	2411.70
41st Kanto Championship
Date	2024-07-21		Rating	2742.88
Round	Color	Result	Opponent
1	White	Win	Suenaga Daiki	2144.03
2	Black	Win	Fujita Maiko	2437.10
3	White	Win	Inoue Fumiya	2518.41
4	White	Win	Matsuda Shoma	2508.07
5	Black	Win	Takazawa Nagayoshi	2252.49
6	White	Draw	Ishitani Shin-ichi	2415.76
Team World Championship 2024
Date	2024-05-04		Rating	2740.17
Round	Color	Result	Opponent
6	White	Win	Lee Chi Son	2285.80
7	Black	Win	Gromov Danila	2581.31
8	Black	Win	Liu Qin	2579.78
9	Black	Win	Wu Di	2720.19
18th All Japan Championship
Date	2024-02-12		Rating	2727.21
Round	Color	Result	Opponent
1	Black	Loss	Tanaka Shotaro	2330.35
2	White	Win	Suzuki Yoshitaka	2007.31
3	Black	Loss	Miyamoto Syunju	2358.49
4	White	Win	Kato Yasuhiro	2011.07
5	Black	Win	Ishitani Shin-ichi	2415.23
6	White	Draw	Tachi Masaya	2605.62
27th New Year (Mikami) Cup
Date	2024-01-14		Rating	2728.41
Round	Color	Result	Opponent
S1	Black	Win	Ono Takayuki	2423.59
S2	Black	Win	Fujita Maiko	2422.27
S3	Black	Win	Ishitani Shin-ichi	2417.85
S4	Black	Draw	Inoue Fumiya	2518.07
S5	White	Win	Tanaka Shotaro	2328.63
24 Kanto Renju Emperor Tournament 2nd round
Date	2023-12-10		Rating	2728.85
Round	Color	Result	Opponent
1	Black	Draw	Nakayama Tomoharu	2788.62
2	Black	Win	Inoue Fumiya	2516.14
3	White	Win	Miyamoto Syunju	2342.23
4	White	Loss	Kamiya Shunsuke	2868.07
5	White	Win	Makino Mitsunori	2644.08
24 Kanto Renju Emperor Tournament Kanto area 1st round
Date	2023-11-19		Rating	2728.00
Round	Color	Result	Opponent
1	White	Win	Matsuda Shoma	2425.39
2	Black	Draw	Wang Qingqing	2670.18
3	White	Win	Ono Takayuki	2431.04
4	Black	Draw	Nakayama Tomoharu	2789.14
ex	White	Win	Maruta Hiroki	2246.21
61st Meijinsen match R3
Date	2023-10-28		Rating	2726.21
Round	Color	Result	Opponent
3	Black	Loss	Kamiya Shunsuke	2867.75
61st Meijinsen match R1-2
Date	2023-10-15		Rating	2725.60
Round	Color	Result	Opponent
1	Black	Loss	Kamiya Shunsuke	2867.21
2	White	Loss	Kamiya Shunsuke	2867.21
61st Meijinsen Tournament
Date	2023-09-18		Rating	2726.16
Round	Color	Result	Opponent
1	Black	Draw	Kawano Takahisa	2551.95
2	White	Win	Tachi Masaya	2590.67
3	Black	Win	Maruyama Yasushi	2263.85
4	White	Win	Matsuda Shoma	2410.01
5	White	Win	Fujita Maiko	2425.80
6	Black	Win	Makino Mitsunori	2635.37
7	Black	Win	Yamane Tomohiro	2078.41
8	Black	Draw	Hasegawa Kazuto	2556.80
9	Black	Win	Nakayama Tomoharu	2789.83
World Championship 2023, AT
Date	2023-08-12		Rating	2722.01
Round	Color	Result	Opponent
1	Black	Loss	Epifanov Dmitry	2668.07
2	White	Win	Inoue Fumiya	2530.19
3	Black	Win	Ni Zhongxing	2753.24
4	Black	Win	Burtsev Nikolai	2527.27
5	White	Loss	Nakayama Tomoharu	2791.79
6	White	Win	Kamiya Shunsuke	2860.19
7	White	Draw	Pinsky Alexander	2632.87
8	Black	Win	Lee Ho June	2445.43
9	Black	Draw	Lu Hai	2759.74
10	Black	Draw	Mei Fan	2769.69
11	Black	Draw	Cao Dong	2753.34
40th Kanto Championship
Date	2023-07-09		Rating	2714.56
Round	Color	Result	Opponent
1	Black	Win	Fujita Maiko	2429.40
2	Black	Loss	Makino Mitsunori	2629.52
3	White	Loss	Miyamoto Syunju	2314.96
4	White	Win	Tanaka Shotaro	2329.96
5	Black	Win	Takazawa Nagayoshi	2297.66
6	Black	Win	Ishitani Shin-ichi	2392.01
17th All Japan Championship
Date	2023-03-19		Rating	2703.10
Round	Color	Result	Opponent
1	White	Win	Miyamoto Syunju	2285.44
2	White	Win	Ishitani Shin-ichi	2381.33
3	Black	Draw	Kamiya Shunsuke	2868.70
4	White	Draw	Makino Mitsunori	2629.63
5	Black	Draw	Nakayama Tomoharu	2801.04
6	White	Draw	Tachi Masaya	2555.08
23 Kanto Renju Emperor Tournament 2nd round
Date	2023-01-29		Rating	2696.60
Round	Color	Result	Opponent
1	White	Loss	Inoue Fumiya	2539.10
2	White	Loss	Yokoyama Shota	2462.34
3	Black	Win	Kamiya Shunsuke	2867.34
4	White	Win	Fujita Maiko	2428.93
5	Black	Win	Maruta Koji	2173.33
26th New Year (Mikami) Cup
Date	2023-01-15		Rating	2695.61
Round	Color	Result	Opponent
S1	Black	Win	Takazawa Nagayoshi	2279.04
S2	Black	Draw	Inoue Fumiya	2539.11
S3	White	Win	Ono Takayuki	2430.14
S4	White	Loss	Ishitani Shin-ichi	2383.16
S5	Black	Draw	Tanaka Shotaro	2337.45
60th Meijinsen Tournament
Date	2022-09-19		Rating	2702.90
Round	Color	Result	Opponent
1	Black	Win	Kuga Akio	2409.98
2	Black	Win	Ono Takayuki	2426.49
3	White	Draw	Makino Mitsunori	2634.50
4	Black	Win	Miyamoto Syunju	2260.15
5	White	Win	Kawamoto Shoma	2323.94
6	Black	Win	Hasegawa Kazuto	2615.53
7	White	Loss	Nagasoe Hiroki	2660.16
8	White	Win	Ishitani Shin-ichi	2367.95
9	Black	Draw	Nakayama Tomoharu	2811.87
39 Kanto Championship
Date	2022-07-31		Rating	2703.23
Round	Color	Result	Opponent
1	Black	Win	Tanaka Shotaro	2316.73
2	Black	Win	Maruta Hiroki	2197.97
3	Black	Win	Ono Takayuki	2430.61
4	White	Win	Ishitani Shin-ichi	2366.06
5	White	Draw	Yokoyama Shota	2460.72
6	White	Win	Kato Yasuhiro	2052.79
22nd Kanto Renju Emperor Tournament Final
Date	2022-03-19		Rating	2701.60
Round	Color	Result	Opponent
1	Black	Loss	Kamiya Shunsuke	2873.56
2	Black	Draw	Kamiya Shunsuke	2873.56
3	White	Loss	Kamiya Shunsuke	2873.56
59th Meijinsen Tournament
Date	2022-01-10		Rating	2703.13
Round	Color	Result	Opponent
1	White	Win	Maruta Hiroki	2252.75
2	Black	Draw	Nakayama Tomoharu	2829.36
3	Black	Win	Maruyama Yasushi	2278.41
4	Black	Win	Ono Takayuki	2427.10
5	White	Win	Hayashi Shoichi	2159.01
6	Black	Win	Iio Yoshihiro	2403.24
7	White	Win	Nagasoe Hiroki	2661.13
8	White	Draw	Hasegawa Kazuto	2573.74
9	Black	Loss	Kamiya Shunsuke	2870.10
ex	White	Win	Nagasoe Hiroki	2661.13
ex	Black	Loss	Kamiya Shunsuke	2870.10
22 Renju Emperor Tournament 2nd round
Date	2021-12-19		Rating	2701.59
Round	Color	Result	Opponent
1	Black	Win	Yokoyama Shota	2453.01
2	Black	Win	Maruta Hiroki	2259.87
3	White	Loss	Kamiya Shunsuke	2869.98
4	Black	Draw	Nagasoe Hiroki	2659.04
5	White	Draw	Shimura Hiroki	2110.61
13th Tohoku Championship
Date	2021-12-12		Rating	2701.52
Round	Color	Result	Opponent
1	White	Win	Miyamoto Syunju	2251.37
2	Black	Win	Fujita Maiko	2384.86
3	Black	Loss	Inoue Fumiya	2521.80
4	White	Win	Maruta Hiroki	2261.86
38 Kanto Championship
Date	2021-08-08		Rating	2706.59
Round	Color	Result	Opponent
1	White	Win	Suenaga Daiki	2262.93
2	White	Win	Ishitani Shin-ichi	2338.97
3	White	Loss	Kamiya Shunsuke	2859.94
4	Black	Loss	Inoue Fumiya	2509.12
5	White	Loss	Yokoyama Shota	2454.40
6	White	Win	Fujita Maiko	2358.09
16th All Japan Championship
Date	2021-03-28		Rating	2735.02
Round	Color	Result	Opponent
1	Black	Win	Suenaga Daiki	2270.15
2	Black	Win	Inoue Fumiya	2484.11
3	Black	Draw	Nakamura Shigeru	2957.34
4	White	Win	Fujita Maiko	2367.11
5	White	Win	Nagasoe Hiroki	2641.55
6	White	Win	Makino Mitsunori	2569.48
21th Kanto Renju Emperor Tournament Final
Date	2021-02-27		Rating	2737.06
Round	Color	Result	Opponent
1	White	Win	Makino Mitsunori	2566.67
2	Black	Win	Makino Mitsunori	2566.67
24th New Year(Mikami)Cup
Date	2021-01-29		Rating	2737.34
Round	Color	Result	Opponent
S1	Black	Win	Ono Takayuki	2396.26
S2	White	Win	Maruta Hiroki	2234.41
S3	Black	Win	Maruta Koji	2123.67
S4	White	Win	Ishitani Shin-ichi	2370.41
S5	Black	Draw	Makino Mitsunori	2562.97
12th Tohoku Championship
Date	2020-12-27		Rating	2737.36
Round	Color	Result	Opponent
	Black	Draw	Nakamura Shigeru	2956.80
21 Renju Emperor Tournament 2nd round
Date	2020-12-06		Rating	2736.72
Round	Color	Result	Opponent
1	White	Win	Shimura Hiroki	2006.11
2	White	Win	Ono Takayuki	2399.40
3	White	Draw	Nagasoe Hiroki	2627.24
4	Black	Win	Inoue Fumiya	2472.01
5	Black	Draw	Makino Mitsunori	2552.02
58 Meijinsen Tournament
Date	2020-09-21		Rating	2735.07
Round	Color	Result	Opponent
1	White	Win	Kamiya Shunsuke	2826.99
2	White	Loss	Makino Mitsunori	2525.50
3	White	Win	Nakayama Tomoharu	2842.62
4	Black	Win	Fujita Maiko	2376.77
5	Black	Win	Fujita Yudai	2485.72
6	White	Loss	Matsuura Hiroshi	2381.16
7	Black	Draw	Tamada Yoichi	2533.26
8	Black	Win	Tanaka Toshiki	2470.70
9	Black	Draw	Tachi Masaya	2487.60
37 Kanto Championship
Date	2020-08-10		Rating	2736.29
Round	Color	Result	Opponent
1	White	Win	Ito Midori	1794.35
2	Black	Win	Kato Yasuhiro	2083.72
3	White	Win	Ishitani Shin-ichi	2374.85
4	White	Win	Maruta Hiroki	2249.56
5	White	Win	Fujita Maiko	2376.95
6	Black	Win	Maruyama Takashi	2047.54
20th Kanto Renju Emperor Tournament Final
Date	2020-02-16		Rating	2735.04
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2968.14
2	White	Loss	Nakamura Shigeru	2968.14
23 New Year (Mikami) Cup
Date	2020-01-26		Rating	2735.86
Round	Color	Result	Opponent
A1	Black	Win	Maruta Hiroki	2222.27
A2	White	Win	Iwano Fumio	2176.12
A3	Black	Loss	Nakamura Shigeru	2968.05
A4	White	Win	Fujita Maiko	2359.51
A5	White	Win	Ishitani Shin-ichi	2378.00
15th All Japan Championship
Date	2020-01-19		Rating	2736.05
Round	Color	Result	Opponent
1	Black	Win	Sakamoto Suzan	2273.93
2	White	Win	Nakamura Shigeru	2967.77
3	White	Win	Inoue Fumiya	2420.11
4	Black	Loss	Nakayama Tomoharu	2849.78
5	Black	Draw	Kamiya Shunsuke	2823.58
6	Black	Win	Iio Yoshihiro	2401.97
20 Renju Emperor Tournament 2nd round
Date	2019-12-08		Rating	2733.02
Round	Color	Result	Opponent
1	White	Win	Inoue Fumiya	2421.86
2	White	Loss	Fujita Maiko	2360.01
3	White	Draw	Nakamura Shigeru	2970.97
4	White	Win	Miyamoto Syunju	2302.81
5	White	Win	Ishitani Shin-ichi	2377.70
11th Tohoku Championship
Date	2019-10-06		Rating	2730.31
Round	Color	Result	Opponent
1	White	Win	Kusajima Masato	2245.27
2	White	Win	Miyamoto Syunju	2298.91
3	Black	Win	Hirono Masakazu	2057.08
4	White	Win	Ishitani Shin-ichi	2383.35
5	White	Win	Gakumazawa Hideaki	2143.89
57 Meijinsen Tournament
Date	2019-09-16		Rating	2728.76
Round	Color	Result	Opponent
1	White	Win	Matsuura Hiroshi	2364.34
2	White	Win	Ishitani Shin-ichi	2387.02
3	Black	Win	Inoue Fumiya	2422.44
4	Black	Draw	Kamiya Shunsuke	2828.34
5	Black	Win	Hasegawa Kazuto	2616.49
6	Black	Loss	Kawamura Norihiko	2674.50
7	White	Win	Nakayama Tomoharu	2829.77
8	Black	Loss	Koyama Jun	2615.09
9	White	Win	Kawano Takahisa	2463.43
World Championship 2019, AT
Date	2019-08-10		Rating	2724.07
Round	Color	Result	Opponent
1	White	Draw	Oll Aivo	2745.74
2	Black	Win	Inoue Fumiya	2426.49
3	Black	Win	Epifanov Dmitry	2674.50
4	White	Draw	Nakayama Tomoharu	2824.13
5	White	Win	Kamiya Shunsuke	2825.25
6	White	Loss	Koyama Jun	2620.39
7	White	Loss	Gardström Petter	2704.05
8	Black	Loss	Cao Dong	2786.21
9	White	Loss	Sushkov Vladimir	2839.38
10	White	Win	Fedotov Denis	2683.72
11	White	Win	Mei Fan	2708.99
36 Kanto Championship
Date	2019-07-28		Rating	2721.86
Round	Color	Result	Opponent
1	Black	Win	Fujikawa Masaki	2155.20
2	White	Win	Makino Mitsunori	2319.01
3	White	Loss	Nakamura Shigeru	2987.38
4	White	Win	Ono Takayuki	2401.00
5	White	Draw	Inoue Fumiya	2428.10
6	White	Win	Ishitani Shin-ichi	2391.89
14th All Japan Championship
Date	2019-03-31		Rating	2703.33
Round	Color	Result	Opponent
1	White	Win	Miyamoto Syunju	2276.30
2	White	Loss	Nakamura Shigeru	2998.75
3	White	Draw	Kamiya Shunsuke	2817.06
4	White	Win	Iio Yoshihiro	2453.94
5	White	Loss	Inoue Fumiya	2430.54
6	White	Win	Koyama Jun	2592.60
19th Kanto Renju Emperor Tournament Final
Date	2019-02-17		Rating	2697.75
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	3001.15
2	Black	Loss	Nakamura Shigeru	3001.15
22 New Year (Mikami) Cup
Date	2019-01-20		Rating	2694.96
Round	Color	Result	Opponent
1	White	Win	Inoue Fumiya	2415.00
2	White	Win	Tomobe Katsuhiro	2172.41
3	White	Win	Ono Takayuki	2403.30
4	Black	Draw	Ke Fang-Ying	2373.42
5	Black	Win	Takazawa Nagayoshi	2175.06
19 Renju Emperor Tournament 2nd round
Date	2018-12-09		Rating	2690.52
Round	Color	Result	Opponent
1	White	Win	Maruta Hiroki	2180.34
2	White	Win	Ishitani Shin-ichi	2421.77
3	Black	Loss	Nakamura Shigeru	3003.19
4	White	Win	Miyamoto Syunju	2271.21
5	White	Win	Iwano Fumio	2246.60
“SOPAI Cup” 1st World Renju Open
Date	2018-11-25		Rating	2688.67
Round	Color	Result	Opponent
1	White	Win	Tian Hanfa	1890.69
2	White	Loss	Wai Chan Keong	2757.81
3	Black	Loss	Sun Jinxue	2248.09
4	White	Win	Peng Lulu	2066.19
5	White	Loss	Hong Pengcheng	2397.54
6	Black	Loss	Cheng Yanzhen	2429.07
7	White	Win	Guo Haisen	2206.10
8	White	Loss	Lu Hai	2623.12
9	White	Win	Ling Shijie	2415.92
56 Meijinsen Tournament
Date	2018-09-17		Rating	2704.95
Round	Color	Result	Opponent
1	White	Win	Hasegawa Kazuto	2581.67
2	Black	Win	Kuga Akio	2429.32
3	Black	Loss	Koyama Jun	2576.54
4	White	Loss	Nakamura Shigeru	3003.27
5	Black	Win	Matsuura Hiroshi	2356.44
6	Black	Win	Kawamura Norihiko	2662.39
8	White	Win	Ishitani Shin-ichi	2432.10
9	Black	Win	Kamiya Shunsuke	2803.24
10th Tohoku Championship
Date	2018-09-09		Rating	2705.91
Round	Color	Result	Opponent
1	White	Win	Hirono Masakazu	2068.17
2	Black	Win	Miyamoto Syunju	2267.13
3	Black	Win	Demachi Koichiro	1926.29
5	Black	Win	Kusajima Masato	2302.69
35 Kanto Championship
Date	2018-07-16		Rating	2711.32
Round	Color	Result	Opponent
1	White	Win	Fujikawa Masaki	2106.07
2	White	Win	Inoue Fumiya	2399.21
3	White	Loss	Nakamura Shigeru	2997.30
4	White	Win	Fujita Maiko	2225.38
5	Black	Draw	Nakayama Tomoharu	2840.86
6	Black	Win	Ishitani Shin-ichi	2435.29
Team World Championship 2018
Date	2018-05-05		Rating	2715.08
Round	Color	Result	Opponent
2	White	Loss	Mesila Villem	2648.39
3	White	Win	Gardström Petter	2694.77
5	White	Win	Makarov Pavel	2602.21
6	Black	Loss	Cao Dong	2805.59
7	White	Loss	Kryuchok Roman	2602.76
8	Black	Win	Kozhin Mikhail	2687.54
10	White	Win	Mesila Villem	2648.39
13th All Japan Championship
Date	2018-01-28		Rating	2719.55
Round	Color	Result	Opponent
1	Black	Win	Fujita Yudai	2502.52
2	White	Loss	Nakayama Tomoharu	2855.42
3	Black	Win	Iio Yoshihiro	2540.57
4	White	Loss	Kamiya Shunsuke	2815.89
5	Black	Win	Ishitani Shin-ichi	2421.24
6	Black	Loss	Tachi Masaya	2560.36
21 Mikami Cup
Date	2018-01-21		Rating	2720.46
Round	Color	Result	Opponent
S1	Black	Win	Ono Takayuki	2386.46
S2	White	Win	Ishitani Shin-ichi	2419.48
S3	White	Win	Sato Kiyotomi	2437.39
18 Kanto Renju Emperor Tournament 2nd round
Date	2017-12-17		Rating	2723.29
Round	Color	Result	Opponent
1	Black	Win	Miyamoto Syunju	2275.76
2	White	Win	Kusajima Masato	2305.52
3	White	Win	Sato Kiyotomi	2439.95
4	White	Win	Koyama Jun	2590.22
5	Black	Loss	Nakamura Shigeru	2963.80
18 Kanto Renju Emperor Tournament 1st round
Date	2017-11-01		Rating	2724.78
Round	Color	Result	Opponent
1	Black	Win	Maruta Koji	2130.17
2	Black	Draw	Koyama Jun	2599.64
3	Black	Win	Kusajima Masato	2301.65
4	White	Win	Ishitani Shin-ichi	2398.01
55 Meijinsen Tournament
Date	2017-09-18		Rating	2725.87
Round	Color	Result	Opponent
1	White	Win	Sato Kiyotomi	2454.79
2	White	Win	Kawano Takahisa	2441.94
3	White	Win	Iio Yoshihiro	2552.74
4	Black	Loss	Kamiya Shunsuke	2814.96
5	Black	Win	Tamada Yoichi	2514.72
6	White	Win	Matsuura Hiroshi	2342.88
7	White	Loss	Nakayama Tomoharu	2848.15
8	White	Win	Hasegawa Kazuto	2602.46
9	Black	Win	Maruyama Yasushi	2286.32
World Championship 2017, BT
Date	2017-08-12		Rating	2724.18
Round	Color	Result	Opponent
1	White	Win	Liao Jun-Yen	2344.14
2	White	Loss	Huang Yen-Hua	2466.22
3	White	Win	Sun In	2433.45
4	Black	Loss	Liu Yang	2674.99
5	Black	Win	Metreveli Maksim	2316.86
6	Black	Win	Yang Yu-Hsiung	2439.05
7	White	Draw	Tang Kai Lam	2774.79
8	Black	Draw	Wai Chan Keong	2684.06
9	White	Win	Koyama Jun	2611.07
World Championship 2017, QT
Date	2017-08-05		Rating	2724.26
Round	Color	Result	Opponent
1	Black	Draw	Lu Wei-Yuan	2607.30
2	Black	Win	Kim Su-chan	2312.63
3	White	Draw	Lin Huang-Yu	2731.11
4	White	Draw	Lan Zhiren	2640.81
5	Black	Draw	Koyama Jun	2610.98
6	Black	Win	Oll Aivo	2798.15
7	Black	Loss	Sushkov Vladimir	2877.53
34 Kanto Championship
Date	2017-07-16		Rating	2724.57
Round	Color	Result	Opponent
1	White	Win	Fujikawa Masaki	2077.42
2	White	Win	Iwano Fumio	2269.83
3	White	Loss	Nakayama Tomoharu	2829.75
4	White	Win	Ono Takayuki	2382.32
5	White	Win	Ishitani Shin-ichi	2396.97
6	White	Win	Maruta Hiroki	2133.03
12th All Japan Championship
Date	2017-03-26		Rating	2725.99
Round	Color	Result	Opponent
1	Black	Win	Ono Takayuki	2370.99
2	White	Win	Sato Kiyotomi	2482.46
3	White	Draw	Nakayama Tomoharu	2797.96
4	Black	Loss	Nakamura Shigeru	2969.95
5	Black	Win	Fujita Yudai	2491.32
6	Black	Draw	Kamiya Shunsuke	2792.80
20 New Year (Mikami) Cup
Date	2017-01-22		Rating	2723.16
Round	Color	Result	Opponent
S1	Black	Win	Sato Kiyotomi	2495.47
S2	White	Win	Ishitani Shin-ichi	2397.59
S4	Black	Loss	Nakamura Shigeru	2968.17
S5	White	Win	Koyama Jun	2615.19
17 Kanto Renju Emperor Tournament 2nd round
Date	2016-12-10		Rating	2718.85
Round	Color	Result	Opponent
1	White	Draw	Sato Kiyotomi	2505.51
2	Black	Win	Maruta Koji	2165.81
3	Black	Win	Ishitani Shin-ichi	2402.52
4	White	Draw	Nakamura Shigeru	2963.19
5	White	Loss	Nakayama Tomoharu	2787.41
17 Kanto Renju Emperor Tournament 1st round
Date	2016-11-23		Rating	2717.51
Round	Color	Result	Opponent
1	Black	Win	Maruta Koji	2168.11
2	White	Win	Koyama Jun	2618.78
3	Black	Win	Ishitani Shin-ichi	2404.06
4	Black	Draw	Sato Kiyotomi	2506.61
48 Kyoto Classified Tournament
Date	2016-11-13		Rating	2716.42
Round	Color	Result	Opponent
SS2	Black	Loss	Hasegawa Kazuto	2643.32
SS3	White	Loss	Hata Masayuki	2205.46
SS4	White	Draw	Kawamura Norihiko	2632.73
SS5	White	Draw	Iio Yoshihiro	2558.57
54 Meijinsen Tournament
Date	2016-09-19		Rating	2721.94
Round	Color	Result	Opponent
1	White	Win	Maruyama Yasushi	2294.86
2	Black	Win	Matsuura Hiroshi	2364.79
3	Black	Win	Iio Yoshihiro	2564.97
4	Black	Loss	Kuga Akio	2371.78
5	White	Loss	Kamiya Shunsuke	2764.14
6	White	Win	Tanaka Toshiki	2448.31
7	White	Win	Hasegawa Kazuto	2643.35
8	White	Draw	Nakayama Tomoharu	2781.51
9	Black	Win	Koyama Jun	2622.63
33 Kanto Championship
Date	2016-07-31		Rating	2726.05
Round	Color	Result	Opponent
1	White	Win	Fujikawa Masaki	2109.18
2	White	Win	Maruta Koji	2182.09
3	White	Win	Koyama Jun	2626.88
4	Black	Draw	Nakayama Tomoharu	2780.33
5	Black	Win	Maruta Hiroki	2133.10
6	Black	Loss	Nakamura Shigeru	2958.99
54 Meijinsen Qualification East Japan area 2nd round
Date	2016-06-12		Rating	2728.26
Round	Color	Result	Opponent
1	Black	Win	Kamiya Shunsuke	2731.25
2	Black	Win	Mitsumori Masao	2357.51
3	Black	Win	Kusajima Masato	2270.36
4	White	Win	Tamada Yoichi	2572.73
5	Black	Draw	Koyama Jun	2633.36
19 Mikami Cup
Date	2016-03-13		Rating	2723.93
Round	Color	Result	Opponent
S1	White	Win	Kusajima Masato	2267.28
S2	White	Draw	Kamiya Shunsuke	2727.64
S3	White	Loss	Nakamura Shigeru	2944.72
S4	White	Win	Koyama Jun	2635.65
S5	Black	Win	Ono Takayuki	2331.91
11th All Japan Championship
Date	2016-01-11		Rating	2718.75
Round	Color	Result	Opponent
1	Black	Draw	Fujita Yudai	2450.35
2	White	Draw	Tamada Yoichi	2576.31
3	White	Loss	Koyama Jun	2640.94
4	Black	Win	Ishitani Shin-ichi	2399.88
5	Black	Win	Iio Yoshihiro	2542.86
6	Black	Draw	Nakayama Tomoharu	2781.73
16 Kanto Renju Emperor Tournament 2nd round
Date	2015-12-13		Rating	2718.37
Round	Color	Result	Opponent
1	Black	Draw	Nakayama Tomoharu	2779.85
2	White	Loss	Nakamura Shigeru	2927.64
3	White	Win	Koyama Jun	2645.11
4	White	Win	Ono Takayuki	2328.82
5	White	Loss	Sato Kiyotomi	2540.70
16 Kanto Renju Emperor Tournament 1st round
Date	2015-11-15		Rating	2719.21
Round	Color	Result	Opponent
1	White	Win	Kato Yasuhiro	2046.47
2	Black	Win	Ono Takayuki	2329.62
3	White	Loss	Koyama Jun	2645.65
4	White	Loss	Sato Kiyotomi	2537.74
47 Kyoto Classified Tournament
Date	2015-11-08		Rating	2720.38
Round	Color	Result	Opponent
S1	Black	Win	Tachi Masaya	2474.81
S2	Black	Win	Hasegawa Kazuto	2671.37
S3	Black	Win	Epifanov Dmitry	2718.71
S4	Black	Win	Kashihara Akihiko	2344.80
S5	White	Win	Sakamoto Suzan	2286.91
53 Meijinsen Tournament
Date	2015-09-22		Rating	2721.39
Round	Color	Result	Opponent
1	White	Win	Ishitani Shin-ichi	2395.39
2	Black	Loss	Hasegawa Kazuto	2676.28
3	White	Win	Matsuura Hiroshi	2402.19
4	White	Win	Tamada Yoichi	2586.49
5	White	Draw	Oosumi Yuuki	2776.72
6	Black	Loss	Kawamura Norihiko	2626.84
7	Black	Draw	Nakayama Tomoharu	2772.72
8	White	Loss	Iio Yoshihiro	2535.21
9	White	Draw	Koyama Jun	2638.99
World Championship 2015, AT
Date	2015-08-13		Rating	2728.13
Round	Color	Result	Opponent
1	Black	Win	Tang Kai Lam	2732.27
2	Black	Draw	Kamiya Shunsuke	2710.83
3	Black	Loss	Qi Guan	2807.79
4	White	Draw	Taimla Tunnet	2767.69
5	Black	Win	Salnikov Pavel	2645.08
6	Black	Win	Makarov Pavel	2599.39
7	White	Loss	Lan Zhiren	2649.44
8	Black	Win	Hõbemägi Martin	2655.32
9	Black	Draw	Fedorkin Oleg	2739.80
10	Black	Draw	Chen Ko-Han	2712.06
11	Black	Draw	Lin Huang-Yu	2798.35
Kanto Championship
Date	2015-07-20		Rating	2730.21
Round	Color	Result	Opponent
1	Black	Win	Nakamura Souta	2295.66
2	White	Win	Ishitani Shin-ichi	2401.65
3	White	Draw	Koyama Jun	2633.36
4	White	Draw	Nakayama Tomoharu	2766.55
5	Black	Loss	Nakamura Shigeru	2909.28
6	Black	Win	Iwano Fumio	2254.73
7th Tohoku Championship
Date	2015-04-12		Rating	2739.67
Round	Color	Result	Opponent
1	White	Win	Gakumazawa Hideaki	2192.72
2	White	Win	Kusajima Masato	2259.70
3	White	Win	Kobayashi Koichi	2296.30
4	White	Win	Ishitani Shin-ichi	2424.67
5	Black	Win	Hirono Masakazu	1987.93
10th All Japan Championship
Date	2015-03-29		Rating	2740.50
Round	Color	Result	Opponent
1	White	Win	Miyagawa Junzo	2246.00
2	Black	Win	Nagao Noriaki	2282.09
3	White	Win	Kamiya Shunsuke	2678.95
4	Black	Draw	Nakamura Shigeru	2907.72
5	Black	Draw	Nakayama Tomoharu	2747.65
6	White	Draw	Tachi Masaya	2483.80
15th Kanto Renju Emperor Tournament Final
Date	2015-02-15		Rating	2740.87
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2905.25
2	Black	Loss	Nakamura Shigeru	2905.25
15 Kanto Renju Emperor Tournament 2nd round
Date	2015-01-25		Rating	2742.37
Round	Color	Result	Opponent
1	White	Win	Ono Takayuki	2349.10
2	White	Win	Ishitani Shin-ichi	2433.09
3	Black	Win	Kamiya Shunsuke	2664.13
4	White	Loss	Nakamura Souta	2270.70
5	Black	Win	Nakamura Shigeru	2902.71
18 Mikami Cup Tournament
Date	2015-01-18		Rating	2742.55
Round	Color	Result	Opponent
S1	Black	Win	Ono Takayuki	2350.64
S2	White	Draw	Isobe Taizan	2434.99
S3	Black	Loss	Nakamura Shigeru	2902.16
46 Kyoto Classified Tournament
Date	2014-11-09		Rating	2748.61
Round	Color	Result	Opponent
S1	White	Win	Miyagawa Junzo	2232.50
S2	Black	Win	Kawamura Norihiko	2655.88
S3	Black	Draw	Iio Yoshihiro	2517.68
S4	White	Win	Fukui Nobuhiro	2612.43
S5	Black	Loss	Oosumi Yuuki	2826.25
15 Kanto Renju Emperor Tournament 1st round
Date	2014-10-26		Rating	2749.74
Round	Color	Result	Opponent
1	White	Win	Tomobe Katsuhiro	2093.83
2	Black	Win	Kato Yasuhiro	2089.11
3	Black	Win	Fukui Nobuhiro	2613.85
4	Black	Draw	Kamiya Shunsuke	2644.21
52 Meijinsen Tournament
Date	2014-09-15		Rating	2752.10
Round	Color	Result	Opponent
1	Black	Win	Tamada Yoichi	2568.23
2	Black	Win	Fukui Nobuhiro	2620.86
3	Black	Win	Kashihara Akihiko	2347.53
4	Black	Win	Matsuura Hiroshi	2355.21
5	White	Loss	Oosumi Yuuki	2830.47
6	White	Draw	Iio Yoshihiro	2513.84
7	Black	Win	Sato Kiyotomi	2487.79
8	White	Draw	Hasegawa Kazuto	2658.46
9	White	Draw	Nakayama Tomoharu	2723.28
31th Kanto Championship
Date	2014-05-11		Rating	2758.29
Round	Color	Result	Opponent
1	White	Win	Kamiya Shunsuke	2607.56
2	White	Win	Kobayashi Koichi	2244.00
3	White	Draw	Tamura Kazumasa	2510.16
4	White	Loss	Nakamura Shigeru	2886.94
5	White	Win	Sato Kiyotomi	2473.28
6th Tohoku Championship
Date	2014-04-20		Rating	2759.60
Round	Color	Result	Opponent
1	Black	Win	Hirono Masakazu	1989.05
3	White	Win	Sato Kiyotomi	2470.89
4	White	Win	Gakumazawa Hideaki	2164.64
5	Black	Win	Miura Hitoshi	1803.55
6	Black	Win	Kusajima Masato	2237.08
7	White	Win	Kobayashi Koichi	2241.82
14 Kanto Renju Emperor Tournament final match
Date	2014-02-16		Rating	2761.42
Round	Color	Result	Opponent
1	White	Loss	Nakamura Shigeru	2893.25
2	Black	Loss	Nakamura Shigeru	2893.25
9th All Japan Championship
Date	2014-01-26		Rating	2763.51
Round	Color	Result	Opponent
1	White	Win	Ishitani Shin-ichi	2444.83
2	White	Win	Sato Kiyotomi	2466.14
3	White	Win	Fukui Nobuhiro	2612.86
4	White	Draw	Oosumi Yuuki	2834.92
5	White	Win	Iio Yoshihiro	2551.37
6	White	Win	Tamura Kazumasa	2519.45
14th Mikami Cup S-class
Date	2014-01-19		Rating	2763.35
Round	Color	Result	Opponent
1	Black	Win	Fukui Nobuhiro	2611.52
2	White	Draw	Ishitani Shin-ichi	2443.94
3	White	Win	Tamura Kazumasa	2520.35
4	White	Win	Nakayama Tomoharu	2674.58
5	Black	Loss	Nakamura Shigeru	2893.63
14 Kanto Renju Emperor Tournament 2nd round
Date	2013-12-15		Rating	2761.79
Round	Color	Result	Opponent
1	Black	Win	Fukui Nobuhiro	2606.35
2	Black	Win	Sato Kiyotomi	2467.38
3	White	Draw	Tamura Kazumasa	2519.16
4	Black	Loss	Nakamura Shigeru	2894.64
5	White	Draw	Kamiya Shunsuke	2579.06
45 Kyoto Classified Tournament
Date	2013-11-10		Rating	2761.86
Round	Color	Result	Opponent
S1	White	Win	Ishitani Shin-ichi	2428.27
S2	Black	Draw	Oosumi Yuuki	2843.08
S3	Black	Win	Hata Masayuki	2253.35
S4	Black	Win	Hasegawa Kazuto	2628.52
S5	Black	Win	Mano Yoshihisa	2317.47
51 Meijinsen Tournament
Date	2013-09-16		Rating	2757.78
Round	Color	Result	Opponent
1	Black	Win	Yamaguchi Yusui	2594.34
2	Black	Win	Kawano Takahisa	2374.04
3	White	Win	Kawate Kozo	2194.92
4	Black	Win	Hasegawa Kazuto	2624.84
5	White	Win	Mano Yoshihisa	2318.73
6	Black	Win	Kamiya Shunsuke	2561.89
7	Black	Loss	Oosumi Yuuki	2848.55
8	Black	Win	Sato Kiyotomi	2474.07
9	White	Win	Hata Masayuki	2260.13
ex	Black	Loss	Oosumi Yuuki	2848.55
World Championship 2013, AT
Date	2013-08-14		Rating	2753.41
Round	Color	Result	Opponent
1	Black	Draw	Chen Ko-Han	2685.46
2	White	Win	Lan Zhiren	2638.14
3	White	Win	Hõbemägi Martin	2588.61
4	White	Loss	Sushkov Vladimir	2825.19
5	White	Draw	Oosumi Yuuki	2850.25
6	White	Loss	Epifanov Dmitry	2688.95
7	Black	Win	Salnikov Pavel	2603.83
8	White	Draw	Oll Aivo	2737.29
9	White	Loss	Taimla Tunnet	2880.57
10	White	Draw	Cao Dong	2748.44
11	Black	Loss	Wang Qingqing	2650.89
World Championship 2013, QT
Date	2013-08-05		Rating	2753.25
Round	Color	Result	Opponent
1	White	Win	Hõbemägi Martin	2589.03
2	Black	Win	Miyagawa Junzo	2224.09
3	White	Draw	Sushkov Vladimir	2824.26
4	Black	Win	Pajuste Renee	2629.33
5	White	Draw	Oll Aivo	2737.38
6	Black	Draw	Fedorkin Oleg	2671.34
7	Black	Draw	Salnikov Pavel	2605.91
29th Kanto Championship
Date	2013-05-12		Rating	2747.81
Round	Color	Result	Opponent
1	Black	Win	Iwano Fumio	2184.44
2	Black	Win	Kamiya Shunsuke	2539.74
3	Black	Win	Ishitani Shin-ichi	2387.48
4	White	Win	Nakamura Shigeru	2868.49
5	Black	Win	Kudomi Takahiro	2415.37
5th Tohoku Championship
Date	2013-04-14		Rating	2742.36
Round	Color	Result	Opponent
1	White	Win	Gakumazawa Hideaki	2132.00
2	Black	Win	Kudomi Takahiro	2420.61
3	Black	Win	Kusajima Masato	2215.89
4	White	Win	Maruta Hiroki	2148.14
5	Black	Win	Fukui Nobuhiro	2575.23
8th All Japan Championship
Date	2013-03-24		Rating	2737.06
Round	Color	Result	Opponent
1	White	Win	Kobayashi Koichi	2214.75
2	Black	Draw	Kamiya Shunsuke	2531.10
3	Black	Win	Isobe Taizan	2406.40
4	Black	Win	Iio Yoshihiro	2487.50
5	Black	Loss	Nakamura Shigeru	2870.95
6	White	Loss	Oosumi Yuuki	2847.77
13 Kanto Renju Emperor Tournament final match
Date	2013-02-17		Rating	2730.41
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2876.42
2	Black	Draw	Nakamura Shigeru	2876.42
3	Black	Draw	Nakamura Shigeru	2876.42
16th Mikami Cup Tournament
Date	2013-01-20		Rating	2724.78
Round	Color	Result	Opponent
S1	Black	Win	Mitsumori Masao	2345.92
S2	White	Win	Ishitani Shin-ichi	2370.02
S3	White	Loss	Nakamura Shigeru	2880.76
S4	White	Win	Ono Takayuki	2418.30
S5	White	Loss	Fukui Nobuhiro	2569.31
13 Kanto Renju Emperor Tournament 2nd round
Date	2013-01-13		Rating	2723.87
Round	Color	Result	Opponent
1	Black	Loss	Kudomi Takahiro	2424.69
2	Black	Win	Fukui Nobuhiro	2568.41
3	Black	Win	Isobe Taizan	2410.15
4	White	Win	Ishitani Shin-ichi	2368.96
5	White	Loss	Nakamura Shigeru	2881.49
44 Kyoto Classified Tournament
Date	2012-11-11		Rating	2719.81
Round	Color	Result	Opponent
S1	Black	Win	Ishitani Shin-ichi	2365.28
S2	White	Draw	Hasegawa Kazuto	2595.96
S3	Black	Win	Miyagawa Junzo	2216.62
S4	Black	Win	Kudomi Takahiro	2423.63
S5	Black	Loss	Oosumi Yuuki	2829.80
13 Kanto Renju Emperor Tournament 1st round
Date	2012-10-21		Rating	2718.91
Round	Color	Result	Opponent
1	Black	Win	Tomobe Katsuhiro	2192.83
2	Black	Win	Maruta Hiroki	2122.54
3	Black	Draw	Fukui Nobuhiro	2554.68
4	Black	Win	Tada Ayako	2307.33
50th Meijinsen Tournament
Date	2012-09-17		Rating	2717.68
Round	Color	Result	Opponent
1	Black	Win	Nagasoe Hiroki	2553.54
2	Black	Loss	Nakamura Shigeru	2884.40
3	White	Win	Ono Takayuki	2432.23
4	Black	Win	Nakayama Tomoharu	2628.41
5	Black	Win	Matsuura Hiroshi	2331.24
6	White	Loss	Yamaguchi Yusui	2656.21
7	Black	Win	Iio Yoshihiro	2472.24
8	Black	Draw	Fukui Nobuhiro	2545.69
9	White	Win	Hasegawa Kazuto	2585.49
29th Kanto Championship
Date	2012-05-13		Rating	2708.34
Round	Color	Result	Opponent
1	Black	Win	Tada Ayako	2286.47
2	White	Loss	Nakamura Shigeru	2887.80
3	White	Win	Fukui Nobuhiro	2512.17
4	Black	Win	Matsuoka Teruo	2019.32
5	Black	Win	Kudomi Takahiro	2430.39
Team World Championship 2012
Date	2012-05-06		Rating	2707.64
Round	Color	Result	Opponent
1	White	Draw	He Qifa	2635.46
2	Black	Win	Piddubny Konstantin	2273.68
3	White	Win	Chingin Konstantin	2799.41
4	Black	Loss	Yang Yu-Hsiung	2499.45
5	Black	Win	Lents Johann	2548.20
7	Black	Draw	Yin Licheng	2540.71
8	Black	Loss	He Qifa	2635.46
9	White	Draw	Chen Wei	2471.58
10	White	Win	Yin Licheng	2540.71
7th All Japan Championship
Date	2012-01-29		Rating	2705.61
Round	Color	Result	Opponent
1	White	Win	Miyoshi Takeo	2167.43
2	White	Loss	Isobe Taizan	2424.35
3	White	Draw	Kamiya Shunsuke	2462.16
4	White	Win	Fukui Nobuhiro	2490.06
5	White	Win	Tamada Yoichi	2489.73
6	White	Loss	Oosumi Yuuki	2793.29
12 Kanto Renju Emperor Tournament 2nd round
Date	2012-01-15		Rating	2706.91
Round	Color	Result	Opponent
1	White	Win	Kamiya Shunsuke	2459.14
2	Black	Win	Mitsumori Masao	2371.77
3	Black	Win	Nakayama Tomoharu	2603.39
4	Black	Loss	Nakamura Shigeru	2878.31
5	Black	Loss	Oosumi Yuuki	2791.84
43 Kyoto Classified Tournament
Date	2011-11-13		Rating	2712.59
Round	Color	Result	Opponent
S1	Black	Win	Hasegawa Kazuto	2557.79
S2	Black	Win	Doi Manabu	2111.26
S3	Black	Win	Miyagawa Junzo	2223.01
S4	Black	Win	Oosumi Yuuki	2777.98
S5	White	Win	Ishitani Shin-ichi	2395.31
12 Kanto Renju Emperor Tournament 1st round
Date	2011-10-23		Rating	2711.90
Round	Color	Result	Opponent
1	White	Win	Kato Yasuhiro	2074.30
2	Black	Win	Kudomi Takahiro	2423.26
3	Black	Loss	Nakayama Tomoharu	2591.06
4	Black	Win	Ishitani Shin-ichi	2395.57
49th Meijinsen Tournament
Date	2011-09-19		Rating	2712.07
Round	Color	Result	Opponent
1	White	Win	Kubo Izumi	2114.39
2	Black	Win	Miyoshi Takeo	2162.49
3	White	Win	Sakashita Shoichi	2148.38
4	White	Win	Matsuura Hiroshi	2383.23
5	Black	Loss	Yamaguchi Yusui	2656.08
6	Black	Win	Nakayama Tomoharu	2582.40
7	White	Win	Iio Yoshihiro	2496.04
8	White	Win	Hasegawa Kazuto	2560.20
9	White	Win	Kashihara Akihiko	2260.67
World Championship 2011, AT
Date	2011-08-10		Rating	2709.75
Round	Color	Result	Opponent
1	Black	Loss	Lin Huang-Yu	2786.08
2	Black	Draw	Artemyev Sergey	2605.27
3	Black	Win	Hou I-Cheng	2504.54
4	Black	Draw	Oosumi Yuuki	2754.99
5	White	Win	Oll Aivo	2703.93
6	Black	Draw	Cao Dong	2700.01
7	White	Loss	Taimla Tunnet	2803.47
8	White	Win	Andersson Tord	2440.86
9	Black	Loss	Huang Jin-xian	2617.01
10	White	Draw	Sushkov Vladimir	2777.92
11	Black	Loss	Dai Xiaohan	2701.52
World Championship 2011, QT
Date	2011-08-03		Rating	2710.12
Round	Color	Result	Opponent
1	White	Win	Ono Takayuki	2400.05
2	White	Win	Dai Xiaohan	2702.86
3	Black	Draw	Kise Katsumi	2555.40
4	Black	Draw	Kawamura Norihiko	2625.04
5	Black	Win	Hõbemägi Martin	2421.41
6	Black	Win	Nikonov Konstantin	2653.05
7	White	Draw	Soosõrv Ants	2755.17
6th All Japan Championship
Date	2011-03-27		Rating	2703.37
Round	Color	Result	Opponent
1	Black	Win	Tada Ayako	2210.42
2	White	Win	Mano Yoshihisa	2278.07
3	Black	Draw	Tamada Yoichi	2516.94
4	Black	Win	Iio Yoshihiro	2513.17
5	Black	Win	Kise Katsumi	2535.17
6	White	Loss	Oosumi Yuuki	2741.19
11 Kanto Renju Emperor Tournament final match
Date	2010-12-26		Rating	2698.91
Round	Color	Result	Opponent
1	White	Loss	Nakamura Shigeru	2861.69
2	Black	Loss	Nakamura Shigeru	2861.69
11 Kanto Renju Emperor Tournament 2nd round
Date	2010-11-21		Rating	2699.38
Round	Color	Result	Opponent
1	Black	Win	Fukui Nobuhiro	2352.55
2	Black	Win	Nakayama Tomoharu	2526.29
3	White	Win	Kudomi Takahiro	2414.58
4	Black	Win	Mitsumori Masao	2326.84
5	Black	Draw	Nakamura Shigeru	2861.62
42 Kyoto Classified Tournament
Date	2010-11-14		Rating	2698.80
Round	Color	Result	Opponent
S1	Black	Loss	Okumura Toyohiko	2334.22
S2	White	Win	Kubo Izumi	2105.82
S3	White	Win	Hata Masayuki	2179.58
S4	White	Win	Hasegawa Kazuto	2633.63
S5	White	Loss	Oosumi Yuuki	2722.60
11 Kanto Renju Emperor Tournament 1st round
Date	2010-10-31		Rating	2698.98
Round	Color	Result	Opponent
1	White	Win	Fujikawa Masaki	2086.37
2	Black	Win	Maruta Koji	2112.03
3	Black	Win	Mitsumori Masao	2326.30
4	Black	Draw	Oosumi Yuuki	2718.24
48th Meijinsen Tournament
Date	2010-09-20		Rating	2698.63
Round	Color	Result	Opponent
1	White	Win	Koiso Shigemasa	2174.37
2	Black	Win	Sakamoto Suzan	2351.67
3	Black	Loss	Oosumi Yuuki	2704.76
4	Black	Draw	Iio Yoshihiro	2531.68
5	White	Win	Tamada Yoichi	2499.67
6	White	Win	Kawano Takahisa	2323.16
7	Black	Win	Ishitani Shin-ichi	2392.93
8	White	Win	Matsuura Hiroshi	2393.46
9	Black	Loss	Yamaguchi Yusui	2593.08
27th Kanto Championship
Date	2010-05-23		Rating	2705.03
Round	Color	Result	Opponent
1	Black	Win	Ono Takayuki	2392.63
2	White	Win	Tamura Kazumasa	2509.26
3	White	Loss	Nakamura Shigeru	2859.71
4	Black	Win	Ishitani Shin-ichi	2400.18
5	Black	Win	Oosumi Yuuki	2667.73
Team World Championship 2010
Date	2010-05-05		Rating	2704.61
Round	Color	Result	Opponent
1	White	Loss	Nagao Noriaki	2376.87
3	Black	Win	Yin Licheng	2518.13
4	Black	Win	Chen Ko-Han	2567.91
5	Black	Draw	Epifanov Dmitry	2560.17
6	Black	Win	Eibatov Nizami	2316.80
7	White	Win	Purk Andry	2668.71
8	Black	Win	Chen Ko-Han	2567.91
9	Black	Loss	Yin Licheng	2518.13
10	White	Win	Purk Andry	2668.71
5th All Japan Championship
Date	2010-03-21		Rating	2703.25
Round	Color	Result	Opponent
1	Black	Win	Kobayashi Koichi	2133.35
2	Black	Win	Isobe Taizan	2395.30
3	White	Win	Nagao Noriaki	2374.29
4	White	Win	Tamura Kazumasa	2511.99
5	White	Win	Ishitani Shin-ichi	2399.61
6	Black	Win	Nakamura Shigeru	2854.96
10 Kanto Renju Emperor Tournament final match
Date	2010-02-21		Rating	2697.99
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2856.94
2	Black	Win	Nakamura Shigeru	2856.94
3	Black	Loss	Nakamura Shigeru	2856.94
13th Mikami Cup Tournament
Date	2010-01-31		Rating	2693.72
Round	Color	Result	Opponent
S1	Black	Win	Hara Masao	2007.19
S2	Black	Win	Isobe Taizan	2396.73
S3	White	Win	Ishitani Shin-ichi	2389.38
10 Kanto Renju Emperor Tournament 2nd round
Date	2009-12-20		Rating	2683.68
Round	Color	Result	Opponent
1	Black	Win	Tamura Kazumasa	2509.41
2	Black	Win	Ono Takayuki	2390.01
3	White	Loss	Nakamura Shigeru	2859.78
4	Black	Win	Nagao Noriaki	2353.24
5	Black	Draw	Tamada Yoichi	2421.57
40th Kyoto Classified - Special class
Date	2009-11-09		Rating	2674.02
Round	Color	Result	Opponent
1	White	Win	Sakamoto Suzan	2321.88
2	Black	Draw	Iio Yoshihiro	2521.81
3	Black	Win	Miyagawa Junzo	2200.30
4	Black	Loss	Oosumi Yuuki	2631.26
5	Black	Draw	Tamura Kazumasa	2508.82
41 Kyoto Classified Tournament
Date	2009-11-08		Rating	2673.88
Round	Color	Result	Opponent
S1	White	Win	Kudomi Takahiro	2366.16
S2	Black	Win	Mano Yoshihisa	2322.11
S3	Black	Loss	Miyoshi Takeo	2158.28
S4	Black	Loss	Iio Yoshihiro	2521.73
S5	White	Win	Sakamoto Suzan	2321.68
10 Kanto Renju Emperor Tournament 1st round
Date	2009-10-04		Rating	2673.76
Round	Color	Result	Opponent
1	Black	Win	Fujikawa Masaki	2051.31
2	Black	Win	Iwano Fumio	2149.91
3	Black	Win	Oosumi Yuuki	2627.00
4	White	Draw	Ono Takayuki	2402.35
47th Meijinsen tournament
Date	2009-09-22		Rating	2673.48
Round	Color	Result	Opponent
1	Black	Win	Kawamura Norihiko	2634.28
2	White	Win	Kataoka Mitsuaki	2259.80
3	Black	Win	Ishitani Shin-ichi	2370.79
4	Black	Loss	Tamura Kazumasa	2506.98
5	White	Win	Matsuura Hiroshi	2367.33
6	Black	Win	Sakamoto Suzan	2311.14
7	Black	Draw	Oosumi Yuuki	2627.09
8	Black	Win	Iio Yoshihiro	2516.62
9	Black	Win	Yamaguchi Yusui	2576.32
World Championship 2009, AT
Date	2009-08-13		Rating	2669.00
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2854.71
2	White	Win	Ono Takayuki	2407.16
3	Black	Loss	Cao Dong	2709.75
4	Black	Loss	Purk Andry	2680.06
5	White	Win	Chen Ko-Han	2554.90
6	White	Win	Kozhin Mikhail	2661.95
7	White	Loss	Karasyov Maxim	2608.31
8	White	Loss	Sushkov Vladimir	2808.47
9	Black	Loss	Wu Di	2655.09
10	Black	Loss	Taimla Tunnet	2836.13
11	Black	Win	Nykl Ondřej	2552.22
World Championship 2009, QT
Date	2009-08-05		Rating	2669.46
Round	Color	Result	Opponent
1	White	Loss	Savrasova Yulia	2660.72
2	Black	Win	Yao Jinrui	2341.26
3	Black	Win	Ono Takayuki	2408.59
4	White	Win	Yin Licheng	2500.96
5	Black	Draw	Nowakowski Maciej	2508.39
6	White	Win	Lin Huang-Yu	2605.42
7	Black	Draw	Cao Dong	2708.38
26th Kanto Championship
Date	2009-05-17		Rating	2671.16
Round	Color	Result	Opponent
1	Black	Win	Ono Takayuki	2410.30
2	Black	Win	Nagao Noriaki	2289.12
3	Black	Draw	Yamaguchi Yusui	2570.07
4	Black	Draw	Nakamura Shigeru	2858.22
5	Black	Draw	Tamura Kazumasa	2515.20
4th All Japan Championship
Date	2009-03-21		Rating	2671.26
Round	Color	Result	Opponent
1	White	Win	Nagao Noriaki	2273.28
2	White	Loss	Ishitani Shin-ichi	2392.97
3	Black	Win	Sakamoto Suzan	2290.64
4	White	Draw	Oosumi Yuuki	2612.63
5	Black	Draw	Mitsumori Masao	2349.40
6	White	Win	Ono Takayuki	2414.41
9 Kanto Renju Emperor Tournament final match
Date	2009-02-08		Rating	2675.44
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2859.99
2	White	Draw	Nakamura Shigeru	2859.99
3	Black	Win	Nakamura Shigeru	2859.99
4	White	Loss	Nakamura Shigeru	2859.99
12th Mikami Cup Tournament
Date	2009-01-18		Rating	2676.47
Round	Color	Result	Opponent
S1	White	Draw	Kawamura Norihiko	2657.14
S2	Black	Loss	Nagao Noriaki	2266.54
S3	Black	Win	Isobe Taizan	2400.37
S4	White	Win	Oosumi Yuuki	2592.10
S5	White	Loss	Nakamura Shigeru	2861.42
46 Meijinsen Match R3-R4
Date	2008-11-23		Rating	2683.27
Round	Color	Result	Opponent
3	Black	Loss	Hasegawa Kazuto	2739.82
9th Kanto Renju Emperor Tournament, 2nd round
Date	2008-11-16		Rating	2684.45
Round	Color	Result	Opponent
1	White	Win	Kudomi Takahiro	2355.84
2	Black	Win	Sato Kiyotomi	2452.19
3	White	Win	Nakayama Tomoharu	2290.17
4	White	Win	Kato Yasuhiro	2001.77
5	Black	Draw	Nakamura Shigeru	2860.80
9th Kanto Renju Emperor Tournament, 1st round
Date	2008-10-26		Rating	2686.37
Round	Color	Result	Opponent
1	Black	Win	Tanizaki Ryusuke	2128.72
2	Black	Draw	Ono Takayuki	2410.72
3	Black	Win	Nakayama Tomoharu	2287.04
4	White	Win	Tamada Yoichi	2269.40
46 Meijinsen Match R1-R2
Date	2008-10-19		Rating	2687.11
Round	Color	Result	Opponent
1	White	Draw	Hasegawa Kazuto	2744.33
2	Black	Loss	Hasegawa Kazuto	2744.33
46th Meijinsen Tournament
Date	2008-09-15		Rating	2691.94
Round	Color	Result	Opponent
1	White	Draw	Kawamura Norihiko	2663.32
2	Black	Win	Matsuura Hiroshi	2328.74
3	White	Win	Iio Yoshihiro	2508.53
4	Black	Win	Ishitani Shin-ichi	2399.92
5	Black	Win	Oosumi Yuuki	2561.28
6	Black	Win	Kataoka Mitsuaki	2252.34
7	White	Win	Yamaguchi Yusui	2583.35
8	Black	Win	Hata Masayuki	2259.38
9	White	Win	Sato Kiyotomi	2444.33
Youth World Championship 2008
Date	2008-08-10		Rating	2691.07
Round	Color	Result	Opponent
A1	White	Win	Zajk Michał	2375.08
A2	White	Win	Tamioła Artur	2403.01
A3	White	Draw	Oll Aivo	2754.23
A4	White	Win	Lents Johann	2482.16
A5	White	Loss	Demján Attila	2746.86
A6	White	Draw	Purk Andry	2641.14
A7	Black	Draw	Ilu Timo	2562.51
A8	White	Win	Tamada Yoichi	2249.09
A9	White	Win	Myasoyedov Yevgeni	2366.38
A10	White	Win	Laube Pavel	2467.14
A11	Black	Win	Andrzejewski Wawrzyniec	2285.48
RIF 20 years anniversary celebration tournament
Date	2008-08-07		Rating	2690.84
Round	Color	Result	Opponent
1	White	Draw	Karlsson Stefan	2598.04
2	White	Win	Sobolev Pavel	2177.17
3	White	Win	Jonsson Peter	2330.55
4	Black	Win	Poghosyan Albert	2379.95
5	Black	Win	Nykl Ondřej	2466.05
6	Black	Win	Ono Takayuki	2407.80
25th Kanto Championship
Date	2008-05-18		Rating	2679.75
Round	Color	Result	Opponent
1	White	Win	Maruta Hiroki	2038.61
2	Black	Win	Tamada Yoichi	2224.68
3	Black	Loss	Nakamura Shigeru	2860.08
4	Black	Win	Isobe Taizan	2426.09
5	White	Win	Arita Nobuyoshi	2394.42
3rd All Japan Championship
Date	2008-03-23		Rating	2670.95
Round	Color	Result	Opponent
1	Black	Win	Tamada Yoichi	2207.95
2	Black	Draw	Kudomi Takahiro	2334.34
3	Black	Win	Sato Kiyotomi	2416.88
4	Black	Loss	Nakamura Shigeru	2857.24
5	White	Win	Ono Takayuki	2396.73
6	Black	Draw	Isobe Taizan	2437.09
8 Kanto Renju Emperor Tournament final match
Date	2008-02-24		Rating	2668.11
Round	Color	Result	Opponent
1	White	Draw	Nakamura Shigeru	2856.52
2	Black	Win	Nakamura Shigeru	2856.52
3	Black	Loss	Nakamura Shigeru	2856.52
4	White	Loss	Nakamura Shigeru	2856.52
8th Kanto Renju Emperor Tournament 2nd round
Date	2007-12-16		Rating	2657.18
Round	Color	Result	Opponent
1	Black	Loss	Ishitani Shin-ichi	2410.20
2	White	Loss	Nakamura Shigeru	2858.52
3	White	Win	Kurata Kiyotaka	2278.00
4	Black	Win	Isobe Taizan	2436.34
5	White	Win	Ono Takayuki	2387.47
39th Kyoto Classified - Special Class
Date	2007-11-11		Rating	2653.85
Round	Color	Result	Opponent
1	Black	Win	Sakamoto Suzan	2265.21
2	White	Win	Okumura Toyohiko	2323.65
3	Black	Draw	Hasegawa Kazuto	2768.37
4	White	Win	Oosumi Yuuki	2559.39
5	Black	Win	Iio Yoshihiro	2535.44
The 45th Meijin-sen Tournament
Date	2007-09-17		Rating	2641.97
Round	Color	Result	Opponent
1	Black	Win	Miyoshi Takeo	2304.94
2	White	Win	Kawamura Norihiko	2632.46
3	White	Win	Iio Yoshihiro	2538.59
4	White	Win	Hiwatashi Kikuma	1889.29
5	Black	Win	Sato Kiyotomi	2399.96
6	Black	Loss	Yamaguchi Yusui	2654.26
7	White	Loss	Oosumi Yuuki	2556.85
8	White	Win	Isobe Taizan	2436.72
9	White	Win	Matsuura Hiroshi	2302.71
World Championship 2007, AT
Date	2007-08-15		Rating	2633.25
Round	Color	Result	Opponent
1	White	Draw	Savrasova Yulia	2696.94
2	White	Win	Iio Yoshihiro	2540.25
3	Black	Win	Oll Aivo	2656.01
4	White	Draw	Karlsson Stefan	2612.72
5	White	Loss	Yamaguchi Yusui	2657.54
6	White	Loss	Wu Di	2705.94
7	Black	Loss	Taimla Tunnet	2785.03
8	White	Loss	Chingin Konstantin	2797.74
9	Black	Loss	Sushkov Vladimir	2759.45
10	Black	Draw	Kozhin Mikhail	2595.57
11	White	Loss	Purk Andry	2651.99
World Championship 2007, QT
Date	2007-08-08		Rating	2632.43
Round	Color	Result	Opponent
1	White	Win	Eriksson Marcus	2302.00
2	White	Win	Ikonen Jussi	2246.92
3	Black	Draw	Iio Yoshihiro	2540.89
4	Black	Win	Oosumi Yuuki	2548.89
5	Black	Win	Lin Huang-Yu	2525.68
6	Black	Draw	Poghosyan Albert	2389.52
7	White	Loss	Wu Di	2703.96
24th Kanto Championship Tournament
Date	2007-05-06		Rating	2620.04
Round	Color	Result	Opponent
1	Black	Win	Iwano Fumio	2158.43
2	White	Win	Kubo Izumi	2100.36
3	Black	Win	Sato Kiyotomi	2421.78
4	White	Win	Isobe Taizan	2431.56
5	Black	Win	Kudomi Takahiro	2332.95
The 5th Shanghai Renju Meijin Invitation Tournament
Date	2007-05-03		Rating	2619.39
Round	Color	Result	Opponent
1	Black	Loss	Yamaguchi Yusui	2647.38
2	Black	Win	Ge Chongyu	2392.68
3	Black	Loss	Cao Dong	2628.41
SF1	Black	Win	Mitsumori Masao	2271.03
SF2	Black	Draw	Isobe Taizan	2431.55
SF3	Black	Loss	Zhu Jianfeng	2517.67
SF4	White	Draw	Zhang Yifeng	2382.96
7th Kanto Renju Emperor Tournament - Final
Date	2007-02-25		Rating	2618.23
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2851.03
2	Black	Draw	Nakamura Shigeru	2851.03
3	Black	Draw	Nakamura Shigeru	2851.03
The 7th Kanto Renju Emperor Tournament, 2nd round
Date	2006-12-10		Rating	2613.67
Round	Color	Result	Opponent
	White	Win	Hara Masao	2085.27
	White	Win	Kudomi Takahiro	2293.77
	White	Win	Nagao Noriaki	2244.04
	White	Win	Sato Kiyotomi	2434.31
	Black	Loss	Nakamura Shigeru	2852.30
38th Kyoto Classified - Special class
Date	2006-11-12		Rating	2610.93
Round	Color	Result	Opponent
1	White	Win	Miyagawa Junzo	2273.88
2	Black	Win	Miyoshi Takeo	2284.59
3	White	Win	Miyagawa Sou	2175.21
4	Black	Win	Takashima Junya	2508.11
5	White	Draw	Oosumi Yuuki	2474.47
The 44th Meijin-sen Tournament
Date	2006-09-18		Rating	2602.47
Round	Color	Result	Opponent
1	Black	Loss	Yamaguchi Yusui	2639.04
2	Black	Win	Iio Yoshihiro	2513.18
3	Black	Win	Nagao Noriaki	2243.04
4	White	Draw	Fujii Naoki	2139.43
5	Black	Loss	Kawamura Norihiko	2666.36
6	White	Win	Sato Kiyotomi	2442.71
7	White	Win	Ishitani Shin-ichi	2367.90
8	Black	Draw	Oosumi Yuuki	2454.92
9	White	Win	Matsuura Hiroshi	2301.29
Asian Championship 2006
Date	2006-08-15		Rating	2598.61
Round	Color	Result	Opponent
1	White	Win	Yoon Seong-Won	1832.75
2	White	Win	Kim Kyu-Cheol	2002.61
3	White	Loss	Kim Chang-Hoon	2545.35
4	White	Win	Choi Yun Suk	2269.73
5	Black	Win	Kim Gyu-Hyeon	2493.93
6	White	Win	Kim Byoung-Jun	2505.91
7	White	Draw	Yamaguchi Yusui	2636.73
8	Black	Win	Iio Yoshihiro	2512.36
Youth World Championship 2006
Date	2006-08-08		Rating	2597.23
Round	Color	Result	Opponent
a1	White	Draw	Takashima Junya	2503.92
a2	Black	Loss	Duan Ran	2352.23
a3	Black	Win	Hallkvist Joel	2060.56
a4	White	Win	Maruta Hiroki	1997.25
a5	White	Draw	Zhang Cheng	2454.80
a6	Black	Loss	Lents Johann	2512.25
a7	White	Win	Blomstedt Torbjorn	2125.42
a8	Black	Draw	Qiu Yunfei	2526.15
23rd Kanto Championship
Date	2006-05-21		Rating	2596.70
Round	Color	Result	Opponent
1	Black	Win	Ono Takayuki	2299.48
2	White	Win	Tadokoro Hosai	1934.93
3	Black	Draw	Mitsumori Masao	2258.85
4	White	Win	Arita Nobuyoshi	2369.48
5	White	Draw	Yamaguchi Yusui	2638.33
Team World Championship 2006
Date	2006-05-05		Rating	2596.46
Round	Color	Result	Opponent
1	Black	Draw	Saarenpää Samuli	2462.98
2	Black	Win	Karlsson Stefan	2555.63
3	Black	Loss	Meritee Ando	2866.59
4	Black	Win	Salnikov Pavel	2537.27
5	Black	Win	Chen Wei	2542.69
6	Black	Loss	Sushkov Vladimir	2724.32
7	Black	Loss	Ilu Timo	2567.01
F1	Black	Win	Karlsson Stefan	2555.63
F2	Black	Loss	Karlsson Stefan	2555.63
6th Kanto Renju Emperor Tournament - Final match
Date	2005-12-04		Rating	2595.23
Round	Color	Result	Opponent
1	White	Win	Yamaguchi Yusui	2603.91
2	Black	Loss	Yamaguchi Yusui	2603.91
3	White	Draw	Yamaguchi Yusui	2603.91
4	Black	Win	Yamaguchi Yusui	2603.91
37th Kyoto Classified - Special class
Date	2005-11-13		Rating	2593.77
Round	Color	Result	Opponent
1	Black	Draw	Ishitani Shin-ichi	2395.13
2	White	Win	Yamaguchi Yusui	2598.94
3	White	Win	Takashima Junya	2518.13
4	White	Draw	Iio Yoshihiro	2480.44
5	Black	Draw	Miyoshi Takeo	2280.96
6th Kanto Renju Emperor Tournament - Semifinal
Date	2005-10-23		Rating	2592.02
Round	Color	Result	Opponent
	White	Draw	Yamaguchi Yusui	2596.11
	Black	Loss	Isobe Taizan	2458.06
	Black	Win	Kamemoto Daichi	2180.81
	Black	Win	Sato Kiyotomi	2394.82
	Black	Win	Koyama Jun	2299.54
The 43rd Meijin-sen Tournament
Date	2005-09-19		Rating	2589.92
Round	Color	Result	Opponent
1	Black	Win	Oosumi Yuuki	2392.35
2	Black	Loss	Takashima Junya	2510.46
3	Black	Draw	Ishitani Shin-ichi	2400.27
4	White	Win	Matsuura Hiroshi	2350.34
5	White	Loss	Hasegawa Kazuto	2703.12
6	Black	Win	Tanaka Koichi	2335.71
7	White	Win	Sato Kiyotomi	2392.65
8	White	Win	Kawate Kozo	2174.30
9	Black	Win	Yamaguchi Yusui	2590.06
World Championship 2005, AT
Date	2005-08-07		Rating	2586.04
Round	Color	Result	Opponent
1	Black	Loss	Purk Andry	2569.52
2	Black	Loss	Chingin Konstantin	2736.94
3	Black	Draw	Artemyev Sergey	2653.04
4	Black	Draw	Taimla Tunnet	2754.86
5	Black	Draw	Karlsson Stefan	2544.35
6	White	Win	Savrasova Yulia	2659.94
7	Black	Draw	Hermansson Hannes	2422.29
8	Black	Loss	Meritee Ando	2852.06
9	Black	Draw	Sushkov Vladimir	2697.99
10	Black	Draw	Tarannikov Yuriy	2614.00
11	Black	Win	Andersson Tord	2384.92
43rd Meijinsen Qualification: East Japan Final
Date	2005-07-11		Rating	2583.35
Round	Color	Result	Opponent
	White	Loss	Sato Kiyotomi	2394.77
	Black	Draw	Itami Yoshiyuki	2189.18
	Black	Win	Mitsumori Masao	2275.79
43rd Meijinsen Qualification: East Japan 1st round
Date	2005-06-12		Rating	2583.71
Round	Color	Result	Opponent
1	Black	Win	Tanno Yoshitaka	2094.29
2	White	Win	Ono Takayuki	2292.37
3	Black	Win	Itami Yoshiyuki	2189.06
4	Black	Loss	Mitsumori Masao	2273.40
22nd Kanto Championship
Date	2005-05-22		Rating	2585.26
Round	Color	Result	Opponent
1	White	Win	Matsuoka Teruo	1859.41
2	Black	Win	Kamemoto Daichi	2132.25
3	Black	Win	Yamaguchi Yusui	2562.68
4	White	Win	Kawamura Norihiko	2692.70
5	Black	Draw	Isobe Taizan	2466.38
Japan WC Qualification tournament
Date	2005-04-03		Rating	2583.21
Round	Color	Result	Opponent
1	White	Win	Arita Nobuyoshi	2302.21
2	Black	Win	Miyagawa Junzo	2253.30
3	Black	Loss	Isobe Taizan	2463.61
4	Black	Draw	Ono Takayuki	2296.01
5	White	Win	Oosumi Yuuki	2370.14
6	White	Win	Matsuura Hiroshi	2390.09
5th Kanto Renju Emperor Tournament - Final
Date	2005-01-30		Rating	2582.23
Round	Color	Result	Opponent
1	White	Win	Yamaguchi Yusui	2561.59
2	Black	Win	Yamaguchi Yusui	2561.59
5th Kanto Renju Emperor Tournament - 2nd round
Date	2004-12-19		Rating	2577.19
Round	Color	Result	Opponent
	White	Win	Mitsumori Masao	2247.06
	White	Win	Kudomi Takahiro	2322.02
	White	Win	Ono Takayuki	2294.74
	White	Win	Sato Kiyotomi	2368.52
	Black	Loss	Yamaguchi Yusui	2568.80
5th Kanto Renju Emperor Tournament - 1st round
Date	2004-11-28		Rating	2574.20
Round	Color	Result	Opponent
1	Black	Win	Maruta Hiroki	1958.45
2	White	Win	Nagao Noriaki	2246.44
3	Black	Win	Arita Nobuyoshi	2280.48
4	White	Draw	Sato Kiyotomi	2368.51
The 42nd Meijin-sen Tournament
Date	2004-09-20		Rating	2563.99
Round	Color	Result	Opponent
1	Black	Loss	Iio Yoshihiro	2456.91
2	Black	Win	Sakamoto Suzan	2290.39
3	Black	Draw	Takagawa Teiji	2336.15
4	White	Draw	Kawamura Norihiko	2721.36
5	White	Draw	Matsuura Hiroshi	2406.02
6	White	Draw	Ishitani Shin-ichi	2379.37
7	White	Loss	Saito Koji	2193.22
8	Black	Win	Sakashita Shoichi	2208.81
9	White	Loss	Hasegawa Kazuto	2656.89
Youth World Championship 2004
Date	2004-08-06		Rating	2568.13
Round	Color	Result	Opponent
4	White	Win	Lysakov Mikhail	2435.04
9	Black	Win	Mossinyan David	2244.96
A1	White	Win	Miyagawa Sou	2117.77
A2	White	Win	Vershinin Pavel	2594.64
A3	White	Win	Tamura Kazumasa	2334.64
A5	White	Win	Oll Aivo	2467.35
A6	White	Win	Ilu Timo	2531.83
A7	White	Win	Lents Johann	2553.24
A8	White	Win	Purk Andry	2439.38
A10	White	Win	Antanyan Samvel	2218.27
A11	White	Loss	Nagao Noriaki	2254.41
42nd Meijinsen Qualification: East Japan 2nd round
Date	2004-07-11		Rating	2564.35
Round	Color	Result	Opponent
	White	Loss	Kawamura Norihiko	2722.24
	Black	Loss	Sato Kiyotomi	2357.18
	White	Win	Kudomi Takahiro	2324.24
4th Kanto Renju Emperor Tournament - Final
Date	2004-02-29		Rating	2557.67
Round	Color	Result	Opponent
1	Black	Draw	Yamaguchi Yusui	2594.94
2	Black	Win	Yamaguchi Yusui	2594.94
3	Black	Loss	Yamaguchi Yusui	2594.94
4	Black	Loss	Yamaguchi Yusui	2594.94
7th Mikami Cup - Special Class
Date	2004-01-25		Rating	2557.02
Round	Color	Result	Opponent
1	Black	Draw	Mitsumori Masao	2262.03
2	Black	Loss	Yamaguchi Yusui	2595.83
4	White	Win	Kudomi Takahiro	2321.05
4th Kanto Renju Emperor Tournament - 2nd round
Date	2003-11-30		Rating	2559.63
Round	Color	Result	Opponent
	White	Win	Nagao Noriaki	2282.54
	White	Win	Mitsumori Masao	2267.89
	White	Win	Maruta Koji	2230.08
	White	Win	Isobe Taizan	2424.57
	White	Draw	Yamaguchi Yusui	2595.68
4th Kanto Renju Emperor Tournament - 1st round
Date	2003-11-16		Rating	2559.00
Round	Color	Result	Opponent
1	Black	Win	Sasaki Miyu	1940.02
2	White	Win	Sato Takuma	2145.63
3	Black	Win	Ono Takayuki	2219.08
4	White	Win	Isobe Taizan	2423.39
41st Meijin-sen Tournament
Date	2003-09-15		Rating	2552.42
Round	Color	Result	Opponent
1	Black	Win	Miyagawa Junzo	2261.71
2	White	Draw	Hasegawa Kazuto	2627.39
3	White	Win	Ishitani Shin-ichi	2385.90
4	Black	Draw	Takashima Junya	2342.84
5	Black	Draw	Kudomi Takahiro	2340.80
6	Black	Win	Isobe Taizan	2418.26
7	White	Loss	Matsuura Hiroshi	2410.49
8	Black	Win	Kuga Akio	2387.20
9	Black	Loss	Iio Yoshihiro	2498.79
World Championship 2003, AT
Date	2003-08-08		Rating	2551.25
Round	Color	Result	Opponent
1	White	Loss	Sushkov Vladimir	2692.20
2	Black	Win	Yamaguchi Yusui	2581.10
3	Black	Draw	Iio Yoshihiro	2496.74
4	White	Loss	Taimla Tunnet	2710.77
5	Black	Loss	Chingin Konstantin	2717.01
6	Black	Loss	Meritee Ando	2803.29
7	Black	Win	Sinyov Igor	2557.18
8	White	Win	Karlsson Stefan	2559.82
9	Black	Win	Gaulitz Joachim	2409.36
10	White	Win	Andersson Tord	2383.29
11	Black	Win	Carlsson Martin	2430.72
41th Meijinsen Qualification: East Japan 2nd round
Date	2003-07-13		Rating	2546.57
Round	Color	Result	Opponent
	White	Draw	Isobe Taizan	2430.47
	Black	Draw	Sato Kiyotomi	2300.92
	Black	Win	Suzuki Naoya	2318.49
41th Meijinsen Qualification: East Japan 1st round
Date	2003-06-08		Rating	2541.26
Round	Color	Result	Opponent
1	Black	Win	Ono Takayuki	2199.23
2	White	Win	Nagao Noriaki	2308.68
3	Black	Draw	Suzuki Naoya	2318.81
4	White	Win	Sano Hiroyuki	2210.60
Japan WC Qualification 2003
Date	2003-03-22		Rating	2527.89
Round	Color	Result	Opponent
1	Black	Win	Nagao Noriaki	2307.96
2	Black	Win	Unoura Hidenori	2173.38
3	Black	Win	Isobe Taizan	2441.66
4	White	Win	Ishitani Shin-ichi	2393.87
5	Black	Win	Miyoshi Takeo	2243.99
34th Kyoto Classified - special class
Date	2002-11-10		Rating	2487.77
Round	Color	Result	Opponent
1	White	Loss	Iio Yoshihiro	2443.58
2	White	Win	Miyagawa Junzo	2249.54
3	Black	Win	Adachi Yasuhiro	2002.78
4	White	Win	Doi Manabu	2105.92
5	White	Loss	Kudomi Takahiro	2392.40
40th Meijin-sen Tournament
Date	2002-09-16		Rating	2476.17
Round	Color	Result	Opponent
1	White	Win	Kudomi Takahiro	2395.07
2	Black	Loss	Isobe Taizan	2447.89
3	White	Loss	Iio Yoshihiro	2435.06
4	Black	Win	Ishitani Shin-ichi	2395.75
5	Black	Loss	Yamaguchi Yusui	2592.37
6	White	Win	Nishimura Toshio	2357.68
7	White	Loss	Takagawa Teiji	2361.58
8	White	Win	Matsuura Hiroshi	2315.67
9	White	Loss	Hasegawa Kazuto	2593.21
Youth World Championship 2002
Date	2002-08-02		Rating	2471.89
Round	Color	Result	Opponent
A1	White	Win	Nagao Noriaki	2304.95
A2	White	Win	Novikov Nikolay	2186.13
A3	White	Loss	Chingin Konstantin	2657.74
A4	White	Win	Nekrasov Denis	2367.26
A5	White	Win	Lents Johann	2431.33
A6	White	Win	Vershinin Pavel	2459.37
A7	White	Win	Karasyov Maxim	2482.51
A8	White	Draw	Kazarin Mikhail	2424.27
A9	Black	Loss	Mossinyan David	2252.60
A10	White	Draw	Tamura Kazumasa	2260.78
A11	Black	Win	Provorov Yury	2200.75
40th Meijinsen Qualification: East Japan 2nd round
Date	2002-07-14		Rating	2467.91
Round	Color	Result	Opponent
	White	Win	Sunagawa Shouki	2171.79
	White	Win	Nara Hideki	2552.55
	White	Draw	Isobe Taizan	2451.19
40th Meijinsen Qualification: East Japan 1st round
Date	2002-06-02		Rating	2455.62
Round	Color	Result	Opponent
1	Black	Draw	Kato Yasuhiro	2098.98
2	Black	Win	Ohno Syunzo	1995.15
3	Black	Win	Arita Nobuyoshi	2157.65
4	White	Win	Sunagawa Shouki	2179.70
World Championship 2001, BT
Date	2001-08-12		Rating	2369.49
Round	Color	Result	Opponent
1	White	Win	Dzainukov Eldar	2014.01
2	White	Win	Gaujens Artis	2058.40
3	Black	Draw	Nosovsky Alexander	2174.02
4	White	Win	Khramov Andrey	2169.00
5	Black	Loss	Carlsson Martin	2309.89
6	Black	Loss	Henningsson Anders	2457.13
7	Black	Draw	Miyoshi Takeo	2200.28
8	White	Win	Sakamoto Suzan	2213.98
World Championship 2001, QT
Date	2001-08-06		Rating	2368.17
Round	Color	Result	Opponent
1	White	Draw	Park Jeong Ho	2305.37
2	Black	Win	Eibatov Nizami	2360.85
3	Black	Draw	Kusajima Masato	2395.76
4	Black	Win	Kim Byoung-Jun	2456.26
5	Black	Draw	Gardström Petter	2517.12
6	Black	Loss	Nara Hideki	2543.35
7	White	Loss	Lin Sheng-Min	2204.91
Japan WC Qualification tournament 2001
Date	2001-03-24		Rating	2334.25
Round	Color	Result	Opponent
1	Black	Draw	Mitsumori Masao	2298.96
2	Black	Loss	Hasegawa Kazuto	2564.20
3	White	Win	Iwata Akihisa	2198.39
4	Black	Loss	Isobe Taizan	2442.30
5	White	Draw	Koiso Shigemasa	2148.64
6	Black	Win	Sakamoto Suzan	2177.30
7	Black	Win	Miyagawa Sou	1969.36
Youth World Championship 2000
Date	2000-08-04		Rating	2279.66
Round	Color	Result	Opponent
A1	White	Loss	Grishnin Stepan	2120.83
A3	White	Loss	Diner Stanislav	2242.69
A4	Black	Draw	Widman Christofher	1810.63
A5	White	Win	Unoura Kazuhisa	1929.86
A6	Black	Win	Fjellstrom Kristoffer	1799.58
A7	Black	Loss	Hermansson Hannes	2343.54
A9	White	Draw	Karasyov Maxim	2331.45
38th Meijinsen Qualification: East Japan 1st round
Date	2000-06-04		Rating	2277.92
Round	Color	Result	Opponent
4	White	Win	Hara Masao	2121.39
Kanto Championship
Date	2000-05-14		Rating	2276.65
Round	Color	Result	Opponent
1	White	Win	Nara Hideki	2566.64
2	Black	Loss	Mitsumori Masao	2296.01
3	Black	Draw	Omata Mitsuo	1873.80
4	Black	Win	Hara Masao	2121.70