Okabe Hiroshi (岡部寛)

Place: Tokyo, Japan

Birth: 1985-12-14

Rating: 2708.98, Std: 76.59, Rank: 18

First game: 2000-05-14, Last game: 2025-03-09

Top rating: 2760.43 (2014-01-26)

Games: 1112, Wins: 662, Draws: 217, Losses: 233

Gy1: 39, Gy2: 89, Gy5: 182

16th Tohoku Championship
Date	2025-03-09		Rating	2708.98
Round	Color	Result	Opponent
1	White	Win	Kusajima Masato	2228.70
2	Black	Win	Miyamoto Syunju	2292.08
3	Black	Win	Fujita Maiko	2419.41
4	Black	Win	Shimura Hiroki	2185.72
5	Black	Draw	Kawaai Hitoshi	2063.18
28th New Year (Mikami) Cup
Date	2025-01-19		Rating	2709.68
Round	Color	Result	Opponent
S1	Black	Loss	Fujita Maiko	2419.56
S2	White	Loss	Inoue Fumiya	2508.20
S4	Black	Win	Ishitani Shin-ichi	2407.00
S5	Black	Win	Kawamura Norihiko	2546.23
25 Kanto Renju Emperor Tournament Finalround
Date	2024-12-08		Rating	2715.75
Round	Color	Result	Opponent
1	Black	Win	Miyamoto Syunju	2295.38
2	White	Win	Ono Takayuki	2386.23
3	Black	Draw	Wang Qingqing	2673.27
4	White	Loss	Inoue Fumiya	2501.87
5	Black	Win	Kamiya Shunsuke	2837.63
6	Black	Win	Matsuda Shoma	2451.09
7	White	Draw	Fujita Maiko	2418.12
62nd Meijinsen match R3-4
Date	2024-11-24		Rating	2717.97
Round	Color	Result	Opponent
3	Black	Draw	Kamiya Shunsuke	2838.01
4	Black	Draw	Kamiya Shunsuke	2838.01
62nd Meijinsen match R1-2
Date	2024-11-04		Rating	2720.39
Round	Color	Result	Opponent
1	Black	Loss	Kamiya Shunsuke	2839.06
2	White	Draw	Kamiya Shunsuke	2839.06
62nd Meijinsen Tournament
Date	2024-10-14		Rating	2723.34
Round	Color	Result	Opponent
1	White	Win	Kawano Takahisa	2520.40
2	Black	Win	Inoue Fumiya	2497.62
3	White	Win	Matsuda Shoma	2442.98
4	Black	Win	Yamane Tomohiro	2080.23
5	White	Draw	Makino Mitsunori	2646.17
6	Black	Win	Tachi Masaya	2623.59
7	White	Win	Ishitani Shin-ichi	2410.68
8	Black	Draw	Nakayama Tomoharu	2760.43
9	White	Win	Kuga Akio	2375.47
41st Kanto Championship
Date	2024-07-21		Rating	2723.87
Round	Color	Result	Opponent
1	White	Win	Suenaga Daiki	2121.92
2	Black	Win	Fujita Maiko	2403.62
3	White	Win	Inoue Fumiya	2487.65
4	White	Win	Matsuda Shoma	2445.39
5	Black	Win	Takazawa Nagayoshi	2229.75
6	White	Draw	Ishitani Shin-ichi	2411.92
Team World Championship 2024
Date	2024-05-04		Rating	2722.31
Round	Color	Result	Opponent
6	White	Win	Lee Chi Son	2243.44
7	Black	Win	Gromov Danila	2569.37
8	Black	Win	Liu Qin	2568.71
9	Black	Win	Wu Di	2688.47
18th All Japan Championship
Date	2024-02-12		Rating	2710.67
Round	Color	Result	Opponent
1	Black	Loss	Tanaka Shotaro	2309.98
2	White	Win	Suzuki Yoshitaka	1965.12
3	Black	Loss	Miyamoto Syunju	2340.38
4	White	Win	Kato Yasuhiro	2031.45
5	Black	Win	Ishitani Shin-ichi	2405.61
6	White	Draw	Tachi Masaya	2614.35
27th New Year (Mikami) Cup
Date	2024-01-14		Rating	2712.22
Round	Color	Result	Opponent
S1	Black	Win	Ono Takayuki	2401.18
S2	Black	Win	Fujita Maiko	2399.36
S3	Black	Win	Ishitani Shin-ichi	2407.78
S4	Black	Draw	Inoue Fumiya	2494.46
S5	White	Win	Tanaka Shotaro	2308.74
24 Kanto Renju Emperor Tournament 2nd round
Date	2023-12-10		Rating	2713.15
Round	Color	Result	Opponent
1	Black	Draw	Nakayama Tomoharu	2768.92
2	Black	Win	Inoue Fumiya	2493.82
3	White	Win	Miyamoto Syunju	2324.49
4	White	Loss	Kamiya Shunsuke	2849.10
5	White	Win	Makino Mitsunori	2633.40
24 Kanto Renju Emperor Tournament Kanto area 1st round
Date	2023-11-19		Rating	2712.61
Round	Color	Result	Opponent
1	White	Win	Matsuda Shoma	2388.62
2	Black	Draw	Wang Qingqing	2654.58
3	White	Win	Ono Takayuki	2409.69
4	Black	Draw	Nakayama Tomoharu	2769.99
ex	White	Win	Maruta Hiroki	2227.64
61st Meijinsen match R3
Date	2023-10-28		Rating	2711.21
Round	Color	Result	Opponent
3	Black	Loss	Kamiya Shunsuke	2849.34
61st Meijinsen match R1-2
Date	2023-10-15		Rating	2710.83
Round	Color	Result	Opponent
1	Black	Loss	Kamiya Shunsuke	2848.97
2	White	Loss	Kamiya Shunsuke	2848.97
61st Meijinsen Tournament
Date	2023-09-18		Rating	2711.91
Round	Color	Result	Opponent
1	Black	Draw	Kawano Takahisa	2529.97
2	White	Win	Tachi Masaya	2592.82
3	Black	Win	Maruyama Yasushi	2256.11
4	White	Win	Matsuda Shoma	2378.28
5	White	Win	Fujita Maiko	2407.06
6	Black	Win	Makino Mitsunori	2625.41
7	Black	Win	Yamane Tomohiro	2089.55
8	Black	Draw	Hasegawa Kazuto	2574.51
9	Black	Win	Nakayama Tomoharu	2772.26
World Championship 2023, AT
Date	2023-08-12		Rating	2708.29
Round	Color	Result	Opponent
1	Black	Loss	Epifanov Dmitry	2660.79
2	White	Win	Inoue Fumiya	2511.85
3	Black	Win	Ni Zhongxing	2738.48
4	Black	Win	Burtsev Nikolai	2522.33
5	White	Loss	Nakayama Tomoharu	2774.89
6	White	Win	Kamiya Shunsuke	2842.69
7	White	Draw	Pinsky Alexander	2623.95
8	Black	Win	Lee Ho June	2431.12
9	Black	Draw	Lu Hai	2753.51
10	Black	Draw	Mei Fan	2752.17
11	Black	Draw	Cao Dong	2738.98
40th Kanto Championship
Date	2023-07-09		Rating	2701.29
Round	Color	Result	Opponent
1	Black	Win	Fujita Maiko	2412.03
2	Black	Loss	Makino Mitsunori	2620.09
3	White	Loss	Miyamoto Syunju	2298.41
4	White	Win	Tanaka Shotaro	2312.91
5	Black	Win	Takazawa Nagayoshi	2282.78
6	Black	Win	Ishitani Shin-ichi	2380.57
17th All Japan Championship
Date	2023-03-19		Rating	2691.29
Round	Color	Result	Opponent
1	White	Win	Miyamoto Syunju	2270.10
2	White	Win	Ishitani Shin-ichi	2369.46
3	Black	Draw	Kamiya Shunsuke	2851.97
4	White	Draw	Makino Mitsunori	2621.29
5	Black	Draw	Nakayama Tomoharu	2785.87
6	White	Draw	Tachi Masaya	2553.03
23 Kanto Renju Emperor Tournament 2nd round
Date	2023-01-29		Rating	2685.40
Round	Color	Result	Opponent
1	White	Loss	Inoue Fumiya	2524.17
2	White	Loss	Yokoyama Shota	2458.52
3	Black	Win	Kamiya Shunsuke	2850.77
4	White	Win	Fujita Maiko	2414.02
5	Black	Win	Maruta Koji	2169.37
26th New Year (Mikami) Cup
Date	2023-01-15		Rating	2684.59
Round	Color	Result	Opponent
S1	Black	Win	Takazawa Nagayoshi	2265.67
S2	Black	Draw	Inoue Fumiya	2524.41
S3	White	Win	Ono Takayuki	2414.35
S4	White	Loss	Ishitani Shin-ichi	2371.20
S5	Black	Draw	Tanaka Shotaro	2322.86
60th Meijinsen Tournament
Date	2022-09-19		Rating	2693.58
Round	Color	Result	Opponent
1	Black	Win	Kuga Akio	2388.65
2	Black	Win	Ono Takayuki	2412.64
3	White	Draw	Makino Mitsunori	2627.14
4	Black	Win	Miyamoto Syunju	2246.77
5	White	Win	Kawamoto Shoma	2317.05
6	Black	Win	Hasegawa Kazuto	2616.66
7	White	Loss	Nagasoe Hiroki	2651.04
8	White	Win	Ishitani Shin-ichi	2356.10
9	Black	Draw	Nakayama Tomoharu	2798.46
39 Kanto Championship
Date	2022-07-31		Rating	2694.64
Round	Color	Result	Opponent
1	Black	Win	Tanaka Shotaro	2304.49
2	Black	Win	Maruta Hiroki	2185.24
3	Black	Win	Ono Takayuki	2417.45
4	White	Win	Ishitani Shin-ichi	2354.23
5	White	Draw	Yokoyama Shota	2453.38
6	White	Win	Kato Yasuhiro	2059.74
22nd Kanto Renju Emperor Tournament Final
Date	2022-03-19		Rating	2695.05
Round	Color	Result	Opponent
1	Black	Loss	Kamiya Shunsuke	2856.94
2	Black	Draw	Kamiya Shunsuke	2856.94
3	White	Loss	Kamiya Shunsuke	2856.94
59th Meijinsen Tournament
Date	2022-01-10		Rating	2697.89
Round	Color	Result	Opponent
1	White	Win	Maruta Hiroki	2242.55
2	Black	Draw	Nakayama Tomoharu	2818.22
3	Black	Win	Maruyama Yasushi	2268.72
4	Black	Win	Ono Takayuki	2416.18
5	White	Win	Hayashi Shoichi	2151.92
6	Black	Win	Iio Yoshihiro	2395.86
7	White	Win	Nagasoe Hiroki	2652.34
8	White	Draw	Hasegawa Kazuto	2570.70
9	Black	Loss	Kamiya Shunsuke	2853.03
ex	White	Win	Nagasoe Hiroki	2652.34
22 Renju Emperor Tournament 2nd round
Date	2021-12-19		Rating	2696.19
Round	Color	Result	Opponent
1	Black	Win	Yokoyama Shota	2444.39
2	Black	Win	Maruta Hiroki	2249.78
3	White	Loss	Kamiya Shunsuke	2853.32
4	Black	Draw	Nagasoe Hiroki	2650.27
5	White	Draw	Shimura Hiroki	2098.50
13th Tohoku Championship
Date	2021-12-12		Rating	2696.09
Round	Color	Result	Opponent
1	White	Win	Miyamoto Syunju	2240.29
2	Black	Win	Fujita Maiko	2374.47
3	Black	Loss	Inoue Fumiya	2512.22
4	White	Win	Maruta Hiroki	2251.80
38 Kanto Championship
Date	2021-08-08		Rating	2700.74
Round	Color	Result	Opponent
1	White	Win	Suenaga Daiki	2253.77
2	White	Win	Ishitani Shin-ichi	2329.48
3	White	Loss	Kamiya Shunsuke	2845.38
4	Black	Loss	Inoue Fumiya	2500.43
5	White	Loss	Yokoyama Shota	2445.76
6	White	Win	Fujita Maiko	2348.75
16th All Japan Championship
Date	2021-03-28		Rating	2729.04
Round	Color	Result	Opponent
1	Black	Win	Suenaga Daiki	2261.78
2	Black	Win	Inoue Fumiya	2476.24
3	Black	Draw	Nakamura Shigeru	2950.77
4	White	Win	Fujita Maiko	2358.67
5	White	Win	Nagasoe Hiroki	2633.44
6	White	Win	Makino Mitsunori	2563.96
21th Kanto Renju Emperor Tournament Final
Date	2021-02-27		Rating	2731.07
Round	Color	Result	Opponent
1	White	Win	Makino Mitsunori	2561.12
2	Black	Win	Makino Mitsunori	2561.12
24th New Year(Mikami)Cup
Date	2021-01-29		Rating	2731.34
Round	Color	Result	Opponent
S1	Black	Win	Ono Takayuki	2387.83
S2	White	Win	Maruta Hiroki	2226.06
S3	Black	Win	Maruta Koji	2117.02
S4	White	Win	Ishitani Shin-ichi	2362.51
S5	Black	Draw	Makino Mitsunori	2557.37
12th Tohoku Championship
Date	2020-12-27		Rating	2731.36
Round	Color	Result	Opponent
	Black	Draw	Nakamura Shigeru	2950.23
21 Renju Emperor Tournament 2nd round
Date	2020-12-06		Rating	2730.73
Round	Color	Result	Opponent
1	White	Win	Shimura Hiroki	1996.83
2	White	Win	Ono Takayuki	2391.26
3	White	Draw	Nagasoe Hiroki	2619.37
4	Black	Win	Inoue Fumiya	2464.48
5	Black	Draw	Makino Mitsunori	2546.36
58 Meijinsen Tournament
Date	2020-09-21		Rating	2729.12
Round	Color	Result	Opponent
1	White	Win	Kamiya Shunsuke	2816.56
2	White	Loss	Makino Mitsunori	2519.86
3	White	Win	Nakayama Tomoharu	2834.77
4	Black	Win	Fujita Maiko	2369.47
5	Black	Win	Fujita Yudai	2480.59
6	White	Loss	Matsuura Hiroshi	2390.74
7	Black	Draw	Tamada Yoichi	2527.05
8	Black	Win	Tanaka Toshiki	2462.72
9	Black	Draw	Tachi Masaya	2483.14
37 Kanto Championship
Date	2020-08-10		Rating	2730.36
Round	Color	Result	Opponent
1	White	Win	Ito Midori	1782.05
2	Black	Win	Kato Yasuhiro	2082.62
3	White	Win	Ishitani Shin-ichi	2367.83
4	White	Win	Maruta Hiroki	2241.99
5	White	Win	Fujita Maiko	2369.78
6	Black	Win	Maruyama Takashi	2039.30
20th Kanto Renju Emperor Tournament Final
Date	2020-02-16		Rating	2729.24
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2961.80
2	White	Loss	Nakamura Shigeru	2961.80
23 New Year (Mikami) Cup
Date	2020-01-26		Rating	2730.07
Round	Color	Result	Opponent
A1	Black	Win	Maruta Hiroki	2215.48
A2	White	Win	Iwano Fumio	2171.18
A3	Black	Loss	Nakamura Shigeru	2961.73
A4	White	Win	Fujita Maiko	2352.95
A5	White	Win	Ishitani Shin-ichi	2371.89
15th All Japan Championship
Date	2020-01-19		Rating	2730.28
Round	Color	Result	Opponent
1	Black	Win	Sakamoto Suzan	2267.68
2	White	Win	Nakamura Shigeru	2961.45
3	White	Win	Inoue Fumiya	2413.57
4	Black	Loss	Nakayama Tomoharu	2843.05
5	Black	Draw	Kamiya Shunsuke	2815.39
6	Black	Win	Iio Yoshihiro	2395.93
20 Renju Emperor Tournament 2nd round
Date	2019-12-08		Rating	2727.31
Round	Color	Result	Opponent
1	White	Win	Inoue Fumiya	2415.46
2	White	Loss	Fujita Maiko	2353.60
3	White	Draw	Nakamura Shigeru	2964.70
4	White	Win	Miyamoto Syunju	2298.34
5	White	Win	Ishitani Shin-ichi	2371.79
11th Tohoku Championship
Date	2019-10-06		Rating	2724.71
Round	Color	Result	Opponent
1	White	Win	Kusajima Masato	2240.73
2	White	Win	Miyamoto Syunju	2294.95
3	Black	Win	Hirono Masakazu	2080.03
4	White	Win	Ishitani Shin-ichi	2377.71
5	White	Win	Gakumazawa Hideaki	2136.53
57 Meijinsen Tournament
Date	2019-09-16		Rating	2723.19
Round	Color	Result	Opponent
1	White	Win	Matsuura Hiroshi	2367.31
2	White	Win	Ishitani Shin-ichi	2381.42
3	Black	Win	Inoue Fumiya	2416.30
4	Black	Draw	Kamiya Shunsuke	2821.12
5	Black	Win	Hasegawa Kazuto	2611.45
6	Black	Loss	Kawamura Norihiko	2671.53
7	White	Win	Nakayama Tomoharu	2823.63
8	Black	Loss	Koyama Jun	2605.89
9	White	Win	Kawano Takahisa	2453.96
World Championship 2019, AT
Date	2019-08-10		Rating	2718.55
Round	Color	Result	Opponent
1	White	Draw	Oll Aivo	2743.94
2	Black	Win	Inoue Fumiya	2420.43
3	Black	Win	Epifanov Dmitry	2670.19
4	White	Draw	Nakayama Tomoharu	2818.15
5	White	Win	Kamiya Shunsuke	2818.26
6	White	Loss	Koyama Jun	2611.88
7	White	Loss	Gardström Petter	2700.59
8	Black	Loss	Cao Dong	2779.16
9	White	Loss	Sushkov Vladimir	2839.65
10	White	Win	Fedotov Denis	2679.72
11	White	Win	Mei Fan	2702.57
36 Kanto Championship
Date	2019-07-28		Rating	2716.34
Round	Color	Result	Opponent
1	Black	Win	Fujikawa Masaki	2147.54
2	White	Win	Makino Mitsunori	2313.25
3	White	Loss	Nakamura Shigeru	2981.33
4	White	Win	Ono Takayuki	2394.73
5	White	Draw	Inoue Fumiya	2422.06
6	White	Win	Ishitani Shin-ichi	2386.37
14th All Japan Championship
Date	2019-03-31		Rating	2697.89
Round	Color	Result	Opponent
1	White	Win	Miyamoto Syunju	2272.73
2	White	Loss	Nakamura Shigeru	2992.90
3	White	Draw	Kamiya Shunsuke	2810.40
4	White	Win	Iio Yoshihiro	2448.54
5	White	Loss	Inoue Fumiya	2424.65
6	White	Win	Koyama Jun	2585.19
19th Kanto Renju Emperor Tournament Final
Date	2019-02-17		Rating	2692.37
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2995.37
2	Black	Loss	Nakamura Shigeru	2995.37
22 New Year (Mikami) Cup
Date	2019-01-20		Rating	2689.61
Round	Color	Result	Opponent
1	White	Win	Inoue Fumiya	2409.20
2	White	Win	Tomobe Katsuhiro	2165.37
3	White	Win	Ono Takayuki	2397.60
4	Black	Draw	Ke Fang-Ying	2366.36
5	Black	Win	Takazawa Nagayoshi	2168.31
19 Renju Emperor Tournament 2nd round
Date	2018-12-09		Rating	2685.23
Round	Color	Result	Opponent
1	White	Win	Maruta Hiroki	2174.86
2	White	Win	Ishitani Shin-ichi	2416.63
3	Black	Loss	Nakamura Shigeru	2997.54
4	White	Win	Miyamoto Syunju	2267.97
5	White	Win	Iwano Fumio	2241.57
“SOPAI Cup” 1st World Renju Open
Date	2018-11-25		Rating	2683.40
Round	Color	Result	Opponent
1	White	Win	Tian Hanfa	1886.66
2	White	Loss	Wai Chan Keong	2751.34
3	Black	Loss	Sun Jinxue	2244.17
4	White	Win	Peng Lulu	2062.02
5	White	Loss	Hong Pengcheng	2391.91
6	Black	Loss	Cheng Yanzhen	2422.80
7	White	Win	Guo Haisen	2199.64
8	White	Loss	Lu Hai	2616.15
9	White	Win	Ling Shijie	2407.19
56 Meijinsen Tournament
Date	2018-09-17		Rating	2699.83
Round	Color	Result	Opponent
1	White	Win	Hasegawa Kazuto	2576.73
2	Black	Win	Kuga Akio	2419.26
3	Black	Loss	Koyama Jun	2570.44
4	White	Loss	Nakamura Shigeru	2997.76
5	Black	Win	Matsuura Hiroshi	2356.21
6	Black	Win	Kawamura Norihiko	2658.46
8	White	Win	Ishitani Shin-ichi	2427.06
9	Black	Win	Kamiya Shunsuke	2797.08
10th Tohoku Championship
Date	2018-09-09		Rating	2700.81
Round	Color	Result	Opponent
1	White	Win	Hirono Masakazu	2084.27
2	Black	Win	Miyamoto Syunju	2264.08
3	Black	Win	Demachi Koichiro	1922.83
5	Black	Win	Kusajima Masato	2298.98
35 Kanto Championship
Date	2018-07-16		Rating	2706.33
Round	Color	Result	Opponent
1	White	Win	Fujikawa Masaki	2100.14
2	White	Win	Inoue Fumiya	2393.64
3	White	Loss	Nakamura Shigeru	2991.89
4	White	Win	Fujita Maiko	2219.92
5	Black	Draw	Nakayama Tomoharu	2835.65
6	Black	Win	Ishitani Shin-ichi	2430.37
Team World Championship 2018
Date	2018-05-05		Rating	2710.24
Round	Color	Result	Opponent
2	White	Loss	Mesila Villem	2644.92
3	White	Win	Gardström Petter	2691.44
5	White	Win	Makarov Pavel	2598.95
6	Black	Loss	Cao Dong	2800.10
7	White	Loss	Kryuchok Roman	2599.40
8	Black	Win	Kozhin Mikhail	2684.27
10	White	Win	Mesila Villem	2644.92
13th All Japan Championship
Date	2018-01-28		Rating	2714.78
Round	Color	Result	Opponent
1	Black	Win	Fujita Yudai	2498.29
2	White	Loss	Nakayama Tomoharu	2850.48
3	Black	Win	Iio Yoshihiro	2535.93
4	White	Loss	Kamiya Shunsuke	2810.40
5	Black	Win	Ishitani Shin-ichi	2416.61
6	Black	Loss	Tachi Masaya	2555.82
21 Mikami Cup
Date	2018-01-21		Rating	2715.69
Round	Color	Result	Opponent
S1	Black	Win	Ono Takayuki	2381.66
S2	White	Win	Ishitani Shin-ichi	2414.86
S3	White	Win	Sato Kiyotomi	2432.86
18 Kanto Renju Emperor Tournament 2nd round
Date	2017-12-17		Rating	2718.55
Round	Color	Result	Opponent
1	Black	Win	Miyamoto Syunju	2272.79
2	White	Win	Kusajima Masato	2301.99
3	White	Win	Sato Kiyotomi	2435.45
4	White	Win	Koyama Jun	2585.20
5	Black	Loss	Nakamura Shigeru	2958.72
18 Kanto Renju Emperor Tournament 1st round
Date	2017-11-01		Rating	2720.08
Round	Color	Result	Opponent
1	Black	Win	Maruta Koji	2125.68
2	Black	Draw	Koyama Jun	2594.72
3	Black	Win	Kusajima Masato	2298.18
4	White	Win	Ishitani Shin-ichi	2393.52
55 Meijinsen Tournament
Date	2017-09-18		Rating	2721.19
Round	Color	Result	Opponent
1	White	Win	Sato Kiyotomi	2450.34
2	White	Win	Kawano Takahisa	2433.96
3	White	Win	Iio Yoshihiro	2548.22
4	Black	Loss	Kamiya Shunsuke	2809.78
5	Black	Win	Tamada Yoichi	2510.03
6	White	Win	Matsuura Hiroshi	2340.99
7	White	Loss	Nakayama Tomoharu	2843.36
8	White	Win	Hasegawa Kazuto	2597.90
9	Black	Win	Maruyama Yasushi	2281.77
World Championship 2017, BT
Date	2017-08-12		Rating	2719.53
Round	Color	Result	Opponent
1	White	Win	Liao Jun-Yen	2338.67
2	White	Loss	Huang Yen-Hua	2460.11
3	White	Win	Sun In	2432.34
4	Black	Loss	Liu Yang	2669.90
5	Black	Win	Metreveli Maksim	2313.26
6	Black	Win	Yang Yu-Hsiung	2430.42
7	White	Draw	Tang Kai Lam	2770.40
8	Black	Draw	Wai Chan Keong	2678.69
9	White	Win	Koyama Jun	2606.30
World Championship 2017, QT
Date	2017-08-05		Rating	2719.62
Round	Color	Result	Opponent
1	Black	Draw	Lu Wei-Yuan	2601.77
2	Black	Win	Kim Su Chan	2305.92
3	White	Draw	Lin Huang-Yu	2724.81
4	White	Draw	Lan Zhiren	2635.62
5	Black	Draw	Koyama Jun	2606.21
6	Black	Win	Oll Aivo	2794.80
7	Black	Loss	Sushkov Vladimir	2874.05
34 Kanto Championship
Date	2017-07-16		Rating	2719.96
Round	Color	Result	Opponent
1	White	Win	Fujikawa Masaki	2072.45
2	White	Win	Iwano Fumio	2265.50
3	White	Loss	Nakayama Tomoharu	2825.04
4	White	Win	Ono Takayuki	2377.86
5	White	Win	Ishitani Shin-ichi	2392.65
6	White	Win	Maruta Hiroki	2128.65
12th All Japan Championship
Date	2017-03-26		Rating	2721.53
Round	Color	Result	Opponent
1	Black	Win	Ono Takayuki	2366.71
2	White	Win	Sato Kiyotomi	2478.14
3	White	Draw	Nakayama Tomoharu	2793.45
4	Black	Loss	Nakamura Shigeru	2965.26
5	Black	Win	Fujita Yudai	2487.33
6	Black	Draw	Kamiya Shunsuke	2787.99
20 New Year (Mikami) Cup
Date	2017-01-22		Rating	2718.79
Round	Color	Result	Opponent
S1	Black	Win	Sato Kiyotomi	2491.17
S2	White	Win	Ishitani Shin-ichi	2393.55
S4	Black	Loss	Nakamura Shigeru	2963.58
S5	White	Win	Koyama Jun	2610.77
17 Kanto Renju Emperor Tournament 2nd round
Date	2016-12-10		Rating	2714.53
Round	Color	Result	Opponent
1	White	Draw	Sato Kiyotomi	2501.24
2	Black	Win	Maruta Koji	2161.78
3	Black	Win	Ishitani Shin-ichi	2398.56
4	White	Draw	Nakamura Shigeru	2958.67
5	White	Loss	Nakayama Tomoharu	2783.08
17 Kanto Renju Emperor Tournament 1st round
Date	2016-11-23		Rating	2713.22
Round	Color	Result	Opponent
1	Black	Win	Maruta Koji	2164.10
2	White	Win	Koyama Jun	2614.44
3	Black	Win	Ishitani Shin-ichi	2400.13
4	Black	Draw	Sato Kiyotomi	2502.34
48 Kyoto Classified Tournament
Date	2016-11-13		Rating	2712.14
Round	Color	Result	Opponent
SS2	Black	Loss	Hasegawa Kazuto	2639.11
SS3	White	Loss	Hata Masayuki	2200.31
SS4	White	Draw	Kawamura Norihiko	2628.83
SS5	White	Draw	Iio Yoshihiro	2554.42
54 Meijinsen Tournament
Date	2016-09-19		Rating	2717.73
Round	Color	Result	Opponent
1	White	Win	Maruyama Yasushi	2290.79
2	Black	Win	Matsuura Hiroshi	2362.17
3	Black	Win	Iio Yoshihiro	2560.88
4	Black	Loss	Kuga Akio	2363.70
5	White	Loss	Kamiya Shunsuke	2759.69
6	White	Win	Tanaka Toshiki	2442.96
7	White	Win	Hasegawa Kazuto	2639.20
8	White	Draw	Nakayama Tomoharu	2777.33
9	Black	Win	Koyama Jun	2618.40
33 Kanto Championship
Date	2016-07-31		Rating	2721.90
Round	Color	Result	Opponent
1	White	Win	Fujikawa Masaki	2104.75
2	White	Win	Maruta Koji	2178.25
3	White	Win	Koyama Jun	2622.74
4	Black	Draw	Nakayama Tomoharu	2776.24
5	Black	Win	Maruta Hiroki	2129.25
6	Black	Loss	Nakamura Shigeru	2954.65
54 Meijinsen Qualification East Japan area 2nd round
Date	2016-06-12		Rating	2724.19
Round	Color	Result	Opponent
1	Black	Win	Kamiya Shunsuke	2726.99
2	Black	Win	Mitsumori Masao	2353.70
3	Black	Win	Kusajima Masato	2267.38
4	White	Win	Tamada Yoichi	2568.70
5	Black	Draw	Koyama Jun	2629.30
19 Mikami Cup
Date	2016-03-13		Rating	2719.99
Round	Color	Result	Opponent
S1	White	Win	Kusajima Masato	2264.40
S2	White	Draw	Kamiya Shunsuke	2723.53
S3	White	Loss	Nakamura Shigeru	2940.57
S4	White	Win	Koyama Jun	2631.73
S5	Black	Win	Ono Takayuki	2328.17
11th All Japan Championship
Date	2016-01-11		Rating	2714.90
Round	Color	Result	Opponent
1	Black	Draw	Fujita Yudai	2446.85
2	White	Draw	Tamada Yoichi	2572.47
3	White	Loss	Koyama Jun	2637.12
4	Black	Win	Ishitani Shin-ichi	2396.48
5	Black	Win	Iio Yoshihiro	2539.17
6	Black	Draw	Nakayama Tomoharu	2778.04
16 Kanto Renju Emperor Tournament 2nd round
Date	2015-12-13		Rating	2714.57
Round	Color	Result	Opponent
1	Black	Draw	Nakayama Tomoharu	2776.22
2	White	Loss	Nakamura Shigeru	2923.63
3	White	Win	Koyama Jun	2641.33
4	White	Win	Ono Takayuki	2325.20
5	White	Loss	Sato Kiyotomi	2536.56
16 Kanto Renju Emperor Tournament 1st round
Date	2015-11-15		Rating	2715.44
Round	Color	Result	Opponent
1	White	Win	Kato Yasuhiro	2042.79
2	Black	Win	Ono Takayuki	2326.04
3	White	Loss	Koyama Jun	2641.93
4	White	Loss	Sato Kiyotomi	2533.64
47 Kyoto Classified Tournament
Date	2015-11-08		Rating	2716.62
Round	Color	Result	Opponent
S1	Black	Win	Tachi Masaya	2471.16
S2	Black	Win	Hasegawa Kazuto	2667.64
S3	Black	Win	Epifanov Dmitry	2715.63
S4	Black	Win	Kashihara Akihiko	2341.51
S5	White	Win	Sakamoto Suzan	2283.22
53 Meijinsen Tournament
Date	2015-09-22		Rating	2717.69
Round	Color	Result	Opponent
1	White	Win	Ishitani Shin-ichi	2392.39
2	Black	Loss	Hasegawa Kazuto	2672.61
3	White	Win	Matsuura Hiroshi	2399.53
4	White	Win	Tamada Yoichi	2582.78
5	White	Draw	Oosumi Yuuki	2773.15
6	Black	Loss	Kawamura Norihiko	2623.37
7	Black	Draw	Nakayama Tomoharu	2769.28
8	White	Loss	Iio Yoshihiro	2531.66
9	White	Draw	Koyama Jun	2635.35
World Championship 2015, AT
Date	2015-08-13		Rating	2724.47
Round	Color	Result	Opponent
1	Black	Win	Tang Kai Lam	2728.31
2	Black	Draw	Kamiya Shunsuke	2707.04
3	Black	Loss	Qi Guan	2803.16
4	White	Draw	Taimla Tunnet	2764.50
5	Black	Win	Salnikov Pavel	2641.85
6	Black	Win	Makarov Pavel	2596.42
7	White	Loss	Lan Zhiren	2644.89
8	Black	Win	Hõbemägi Martin	2651.97
9	Black	Draw	Fedorkin Oleg	2736.77
10	Black	Draw	Chen Ko-Han	2707.56
11	Black	Draw	Lin Huang-Yu	2793.80
Kanto Championship
Date	2015-07-20		Rating	2726.58
Round	Color	Result	Opponent
1	Black	Win	Nakamura Souta	2292.09
2	White	Win	Ishitani Shin-ichi	2398.82
3	White	Draw	Koyama Jun	2629.79
4	White	Draw	Nakayama Tomoharu	2763.24
5	Black	Loss	Nakamura Shigeru	2905.52
6	Black	Win	Iwano Fumio	2251.35
7th Tohoku Championship
Date	2015-04-12		Rating	2736.14
Round	Color	Result	Opponent
1	White	Win	Gakumazawa Hideaki	2191.20
2	White	Win	Kusajima Masato	2257.30
3	White	Win	Kobayashi Koichi	2294.15
4	White	Win	Ishitani Shin-ichi	2421.75
5	Black	Win	Hirono Masakazu	1991.44
10th All Japan Championship
Date	2015-03-29		Rating	2736.99
Round	Color	Result	Opponent
1	White	Win	Miyagawa Junzo	2242.98
2	Black	Win	Nagao Noriaki	2277.92
3	White	Win	Kamiya Shunsuke	2675.35
4	Black	Draw	Nakamura Shigeru	2904.15
5	Black	Draw	Nakayama Tomoharu	2744.46
6	Black	Draw	Tachi Masaya	2480.43
15th Kanto Renju Emperor Tournament Final
Date	2015-02-15		Rating	2737.40
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2901.74
2	Black	Loss	Nakamura Shigeru	2901.74
15 Kanto Renju Emperor Tournament 2nd round
Date	2015-01-25		Rating	2738.91
Round	Color	Result	Opponent
1	White	Win	Ono Takayuki	2345.94
2	White	Win	Ishitani Shin-ichi	2430.16
3	Black	Win	Kamiya Shunsuke	2660.62
4	White	Loss	Nakamura Souta	2267.35
5	Black	Win	Nakamura Shigeru	2899.23
18 Mikami Cup Tournament
Date	2015-01-18		Rating	2739.09
Round	Color	Result	Opponent
S1	Black	Win	Ono Takayuki	2347.49
S2	White	Draw	Isobe Taizan	2432.56
S3	Black	Loss	Nakamura Shigeru	2898.69
46 Kyoto Classified Tournament
Date	2014-11-09		Rating	2745.20
Round	Color	Result	Opponent
S1	White	Win	Miyagawa Junzo	2229.56
S2	Black	Win	Kawamura Norihiko	2652.77
S3	Black	Draw	Iio Yoshihiro	2514.49
S4	White	Win	Fukui Nobuhiro	2605.48
S5	Black	Loss	Oosumi Yuuki	2822.82
15 Kanto Renju Emperor Tournament 1st round
Date	2014-10-26		Rating	2746.35
Round	Color	Result	Opponent
1	White	Win	Tomobe Katsuhiro	2090.58
2	Black	Win	Kato Yasuhiro	2085.96
3	Black	Win	Fukui Nobuhiro	2607.12
4	Black	Draw	Kamiya Shunsuke	2640.83
52 Meijinsen Tournament
Date	2014-09-15		Rating	2748.76
Round	Color	Result	Opponent
1	Black	Win	Tamada Yoichi	2564.75
2	Black	Win	Fukui Nobuhiro	2614.72
3	Black	Win	Kashihara Akihiko	2344.49
4	Black	Win	Matsuura Hiroshi	2352.62
5	White	Loss	Oosumi Yuuki	2827.09
6	White	Draw	Iio Yoshihiro	2510.72
7	Black	Win	Sato Kiyotomi	2484.37
8	White	Draw	Hasegawa Kazuto	2655.13
9	White	Draw	Nakayama Tomoharu	2720.28
31th Kanto Championship
Date	2014-05-11		Rating	2755.19
Round	Color	Result	Opponent
1	White	Win	Kamiya Shunsuke	2604.40
2	White	Win	Kobayashi Koichi	2241.70
3	White	Draw	Tamura Kazumasa	2522.12
4	White	Loss	Nakamura Shigeru	2883.84
5	White	Win	Sato Kiyotomi	2470.16
6th Tohoku Championship
Date	2014-04-20		Rating	2756.51
Round	Color	Result	Opponent
1	Black	Win	Hirono Masakazu	1990.70
3	White	Win	Sato Kiyotomi	2467.82
4	White	Win	Gakumazawa Hideaki	2163.17
5	Black	Win	Miura Hitoshi	1802.83
6	Black	Win	Kusajima Masato	2234.93
7	White	Win	Kobayashi Koichi	2239.51
14 Kanto Renju Emperor Tournament final match
Date	2014-02-16		Rating	2758.33
Round	Color	Result	Opponent
1	White	Loss	Nakamura Shigeru	2890.21
2	Black	Loss	Nakamura Shigeru	2890.21
9th All Japan Championship
Date	2014-01-26		Rating	2760.43
Round	Color	Result	Opponent
1	White	Win	Ishitani Shin-ichi	2442.13
2	White	Win	Sato Kiyotomi	2463.23
3	White	Win	Fukui Nobuhiro	2608.92
4	White	Draw	Oosumi Yuuki	2831.78
5	White	Win	Iio Yoshihiro	2548.54
6	White	Win	Tamura Kazumasa	2529.98
14th Mikami Cup S-class
Date	2014-01-19		Rating	2760.25
Round	Color	Result	Opponent
1	Black	Win	Fukui Nobuhiro	2607.63
2	White	Draw	Ishitani Shin-ichi	2441.24
3	White	Win	Tamura Kazumasa	2530.84
4	White	Win	Nakayama Tomoharu	2671.88
5	Black	Loss	Nakamura Shigeru	2890.61
14 Kanto Renju Emperor Tournament 2nd round
Date	2013-12-15		Rating	2758.61
Round	Color	Result	Opponent
1	Black	Win	Fukui Nobuhiro	2602.62
2	Black	Win	Sato Kiyotomi	2464.54
3	White	Draw	Tamura Kazumasa	2529.71
4	Black	Loss	Nakamura Shigeru	2891.62
5	White	Draw	Kamiya Shunsuke	2576.17
45 Kyoto Classified Tournament
Date	2013-11-10		Rating	2758.53
Round	Color	Result	Opponent
S1	White	Win	Ishitani Shin-ichi	2425.57
S2	Black	Draw	Oosumi Yuuki	2839.94
S3	Black	Win	Hata Masayuki	2250.71
S4	Black	Win	Hasegawa Kazuto	2625.57
S5	Black	Win	Mano Yoshihisa	2314.60
51 Meijinsen Tournament
Date	2013-09-16		Rating	2754.22
Round	Color	Result	Opponent
1	Black	Win	Yamaguchi Yusui	2591.49
2	Black	Win	Kawano Takahisa	2369.87
3	White	Win	Kawate Kozo	2193.26
4	Black	Win	Hasegawa Kazuto	2621.96
5	White	Win	Mano Yoshihisa	2315.89
6	Black	Win	Kamiya Shunsuke	2559.00
7	Black	Loss	Oosumi Yuuki	2845.41
8	Black	Win	Sato Kiyotomi	2471.23
9	White	Win	Hata Masayuki	2257.57
ex	Black	Loss	Oosumi Yuuki	2845.41
World Championship 2013, AT
Date	2013-08-14		Rating	2749.69
Round	Color	Result	Opponent
1	Black	Draw	Chen Ko-Han	2681.86
2	White	Win	Lan Zhiren	2634.46
3	White	Win	Hõbemägi Martin	2584.90
4	White	Loss	Sushkov Vladimir	2822.52
5	White	Draw	Oosumi Yuuki	2847.11
6	White	Loss	Epifanov Dmitry	2685.94
7	Black	Win	Salnikov Pavel	2601.06
8	White	Draw	Oll Aivo	2734.51
9	White	Loss	Taimla Tunnet	2877.79
10	White	Draw	Cao Dong	2744.85
11	Black	Loss	Wang Qingqing	2647.80
World Championship 2013, QT
Date	2013-08-05		Rating	2749.48
Round	Color	Result	Opponent
1	White	Win	Hõbemägi Martin	2585.29
2	Black	Win	Miyagawa Junzo	2221.51
3	White	Draw	Sushkov Vladimir	2821.60
4	Black	Win	Pajuste Renee	2627.03
5	White	Draw	Oll Aivo	2734.60
6	Black	Draw	Fedorkin Oleg	2673.54
7	Black	Draw	Salnikov Pavel	2603.14
29th Kanto Championship
Date	2013-05-12		Rating	2743.42
Round	Color	Result	Opponent
1	Black	Win	Iwano Fumio	2181.92
2	Black	Win	Kamiya Shunsuke	2536.86
3	Black	Win	Ishitani Shin-ichi	2384.80
4	White	Win	Nakamura Shigeru	2865.30
5	Black	Win	Kudomi Takahiro	2411.65
5th Tohoku Championship
Date	2013-04-14		Rating	2737.75
Round	Color	Result	Opponent
1	White	Win	Gakumazawa Hideaki	2130.46
2	Black	Win	Kudomi Takahiro	2416.99
3	Black	Win	Kusajima Masato	2213.81
4	White	Win	Maruta Hiroki	2145.47
5	Black	Win	Fukui Nobuhiro	2571.86
8th All Japan Championship
Date	2013-03-24		Rating	2732.28
Round	Color	Result	Opponent
1	White	Win	Kobayashi Koichi	2212.35
2	Black	Draw	Kamiya Shunsuke	2528.24
3	Black	Win	Isobe Taizan	2403.91
4	Black	Win	Iio Yoshihiro	2484.99
5	Black	Loss	Nakamura Shigeru	2867.72
6	White	Loss	Oosumi Yuuki	2844.64
13 Kanto Renju Emperor Tournament final match
Date	2013-02-17		Rating	2725.29
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2873.18
2	Black	Draw	Nakamura Shigeru	2873.18
3	Black	Draw	Nakamura Shigeru	2873.18
16th Mikami Cup Tournament
Date	2013-01-20		Rating	2719.39
Round	Color	Result	Opponent
S1	Black	Win	Mitsumori Masao	2343.14
S2	White	Win	Ishitani Shin-ichi	2367.34
S3	White	Loss	Nakamura Shigeru	2877.52
S4	White	Win	Ono Takayuki	2416.03
S5	White	Loss	Fukui Nobuhiro	2566.04
13 Kanto Renju Emperor Tournament 2nd round
Date	2013-01-13		Rating	2718.40
Round	Color	Result	Opponent
1	Black	Loss	Kudomi Takahiro	2421.32
2	Black	Win	Fukui Nobuhiro	2565.14
3	Black	Win	Isobe Taizan	2407.63
4	White	Win	Ishitani Shin-ichi	2366.28
5	White	Loss	Nakamura Shigeru	2878.25
44 Kyoto Classified Tournament
Date	2012-11-11		Rating	2713.55
Round	Color	Result	Opponent
S1	Black	Win	Ishitani Shin-ichi	2362.63
S2	White	Draw	Hasegawa Kazuto	2593.48
S3	Black	Win	Miyagawa Junzo	2214.22
S4	Black	Win	Kudomi Takahiro	2420.41
S5	Black	Loss	Oosumi Yuuki	2826.72
13 Kanto Renju Emperor Tournament 1st round
Date	2012-10-21		Rating	2712.35
Round	Color	Result	Opponent
1	Black	Win	Tomobe Katsuhiro	2190.28
2	Black	Win	Maruta Hiroki	2120.02
3	Black	Draw	Fukui Nobuhiro	2551.53
4	Black	Win	Tada Ayako	2304.80
50th Meijinsen Tournament
Date	2012-09-17		Rating	2710.61
Round	Color	Result	Opponent
1	Black	Win	Nagasoe Hiroki	2549.57
2	Black	Loss	Nakamura Shigeru	2881.22
3	White	Win	Ono Takayuki	2429.98
4	Black	Win	Nakayama Tomoharu	2625.55
5	Black	Win	Matsuura Hiroshi	2328.82
6	White	Loss	Yamaguchi Yusui	2653.42
7	Black	Win	Iio Yoshihiro	2469.86
8	Black	Draw	Fukui Nobuhiro	2542.59
9	White	Win	Hasegawa Kazuto	2582.97
29th Kanto Championship
Date	2012-05-13		Rating	2698.82
Round	Color	Result	Opponent
1	Black	Win	Tada Ayako	2284.04
2	White	Loss	Nakamura Shigeru	2884.72
3	White	Win	Fukui Nobuhiro	2509.22
4	Black	Win	Matsuoka Teruo	2017.30
5	Black	Win	Kudomi Takahiro	2427.52
Team World Championship 2012
Date	2012-05-06		Rating	2697.95
Round	Color	Result	Opponent
1	White	Draw	He Qifa	2632.42
2	Black	Win	Piddubny Konstantin	2272.41
3	White	Draw	Chingin Konstantin	2821.08
4	Black	Loss	Yang Yu-Hsiung	2495.51
5	Black	Win	Lents Johann	2545.96
7	Black	Draw	Yin Licheng	2537.25
8	Black	Loss	He Qifa	2632.42
9	White	Draw	Chen Wei	2469.87
10	White	Win	Yin Licheng	2537.25
7th All Japan Championship
Date	2012-01-29		Rating	2698.13
Round	Color	Result	Opponent
1	White	Win	Miyoshi Takeo	2165.11
2	White	Loss	Isobe Taizan	2421.95
3	White	Draw	Kamiya Shunsuke	2459.57
4	White	Win	Fukui Nobuhiro	2487.26
5	White	Win	Tamada Yoichi	2487.14
6	White	Loss	Oosumi Yuuki	2790.41
12 Kanto Renju Emperor Tournament 2nd round
Date	2012-01-15		Rating	2699.70
Round	Color	Result	Opponent
1	White	Win	Kamiya Shunsuke	2456.57
2	Black	Win	Mitsumori Masao	2369.28
3	Black	Win	Nakayama Tomoharu	2600.63
4	Black	Loss	Nakamura Shigeru	2875.38
5	Black	Loss	Oosumi Yuuki	2788.97
43 Kyoto Classified Tournament
Date	2011-11-13		Rating	2706.45
Round	Color	Result	Opponent
S1	Black	Win	Hasegawa Kazuto	2555.37
S2	Black	Win	Doi Manabu	2109.65
S3	Black	Win	Miyagawa Junzo	2220.99
S4	Black	Win	Oosumi Yuuki	2775.21
S5	White	Win	Ishitani Shin-ichi	2392.88
12 Kanto Renju Emperor Tournament 1st round
Date	2011-10-23		Rating	2706.09
Round	Color	Result	Opponent
1	White	Win	Kato Yasuhiro	2072.15
2	Black	Win	Kudomi Takahiro	2420.74
3	Black	Loss	Nakayama Tomoharu	2588.37
4	Black	Win	Ishitani Shin-ichi	2393.16
49th Meijinsen Tournament
Date	2011-09-19		Rating	2706.75
Round	Color	Result	Opponent
1	White	Win	Kubo Izumi	2112.32
2	Black	Win	Miyoshi Takeo	2160.21
3	White	Win	Sakashita Shoichi	2145.35
4	White	Win	Matsuura Hiroshi	2380.99
5	Black	Loss	Yamaguchi Yusui	2653.64
6	Black	Win	Nakayama Tomoharu	2579.75
7	White	Win	Iio Yoshihiro	2493.64
8	White	Win	Hasegawa Kazuto	2557.82
9	White	Win	Kashihara Akihiko	2258.35
World Championship 2011, AT
Date	2011-08-10		Rating	2704.92
Round	Color	Result	Opponent
1	Black	Loss	Lin Huang-Yu	2783.61
2	Black	Draw	Artemyev Sergey	2602.98
3	Black	Win	Hou I-Cheng	2503.43
4	Black	Draw	Oosumi Yuuki	2752.41
5	White	Win	Oll Aivo	2701.74
6	Black	Draw	Cao Dong	2697.37
7	White	Loss	Taimla Tunnet	2801.02
8	White	Win	Andersson Tord	2439.60
9	Black	Loss	Huang Jin-xian	2614.15
10	White	Draw	Sushkov Vladimir	2776.08
11	Black	Loss	Dai Xiaohan	2698.78
World Championship 2011, QT
Date	2011-08-03		Rating	2705.34
Round	Color	Result	Opponent
1	White	Win	Ono Takayuki	2398.06
2	White	Win	Dai Xiaohan	2700.11
3	Black	Draw	Kise Katsumi	2552.99
4	Black	Draw	Kawamura Norihiko	2623.32
5	Black	Win	Hõbemägi Martin	2416.28
6	Black	Win	Nikonov Konstantin	2643.82
7	White	Draw	Soosõrv Ants	2753.28
6th All Japan Championship
Date	2011-03-27		Rating	2699.52
Round	Color	Result	Opponent
1	Black	Win	Tada Ayako	2208.39
2	White	Win	Mano Yoshihisa	2275.80
3	Black	Draw	Tamada Yoichi	2514.77
4	Black	Win	Iio Yoshihiro	2510.90
5	Black	Win	Kise Katsumi	2532.78
6	White	Loss	Oosumi Yuuki	2738.85
11 Kanto Renju Emperor Tournament final match
Date	2010-12-26		Rating	2695.63
Round	Color	Result	Opponent
1	White	Loss	Nakamura Shigeru	2859.29
2	Black	Loss	Nakamura Shigeru	2859.29
11 Kanto Renju Emperor Tournament 2nd round
Date	2010-11-21		Rating	2696.32
Round	Color	Result	Opponent
1	Black	Win	Fukui Nobuhiro	2350.41
2	Black	Win	Nakayama Tomoharu	2524.02
3	White	Win	Kudomi Takahiro	2412.65
4	Black	Win	Mitsumori Masao	2324.79
5	Black	Draw	Nakamura Shigeru	2859.26
42 Kyoto Classified Tournament
Date	2010-11-14		Rating	2695.78
Round	Color	Result	Opponent
S1	Black	Loss	Okumura Toyohiko	2332.94
S2	White	Win	Kubo Izumi	2104.14
S3	White	Win	Hata Masayuki	2178.27
S4	White	Win	Hasegawa Kazuto	2631.64
S5	White	Loss	Oosumi Yuuki	2720.51
11 Kanto Renju Emperor Tournament 1st round
Date	2010-10-31		Rating	2696.03
Round	Color	Result	Opponent
1	White	Win	Fujikawa Masaki	2084.50
2	Black	Win	Maruta Koji	2110.14
3	Black	Win	Mitsumori Masao	2324.28
4	Black	Draw	Oosumi Yuuki	2716.17
48th Meijinsen Tournament
Date	2010-09-20		Rating	2695.88
Round	Color	Result	Opponent
1	White	Win	Koiso Shigemasa	2173.14
2	Black	Win	Sakamoto Suzan	2350.89
3	Black	Loss	Oosumi Yuuki	2702.77
4	Black	Draw	Iio Yoshihiro	2529.64
5	White	Win	Tamada Yoichi	2497.81
6	White	Win	Kawano Takahisa	2320.52
7	Black	Win	Ishitani Shin-ichi	2390.91
8	White	Win	Matsuura Hiroshi	2391.51
9	Black	Loss	Yamaguchi Yusui	2591.21
27th Kanto Championship
Date	2010-05-23		Rating	2702.78
Round	Color	Result	Opponent
1	Black	Win	Ono Takayuki	2391.04
2	White	Win	Tamura Kazumasa	2511.60
3	White	Loss	Nakamura Shigeru	2857.62
4	Black	Win	Ishitani Shin-ichi	2398.25
5	Black	Win	Oosumi Yuuki	2665.98
Team World Championship 2010
Date	2010-05-05		Rating	2702.42
Round	Color	Result	Opponent
1	White	Loss	Nagao Noriaki	2375.07
3	Black	Win	Yin Licheng	2516.27
4	Black	Win	Chen Ko-Han	2566.01
5	Black	Draw	Epifanov Dmitry	2559.54
6	Black	Win	Eibatov Nizami	2315.07
7	White	Win	Purk Andry	2666.21
8	Black	Win	Chen Ko-Han	2566.01
9	Black	Loss	Yin Licheng	2516.27
10	White	Win	Purk Andry	2666.21
5th All Japan Championship
Date	2010-03-21		Rating	2701.19
Round	Color	Result	Opponent
1	Black	Win	Kobayashi Koichi	2131.63
2	Black	Win	Isobe Taizan	2393.58
3	White	Win	Nagao Noriaki	2372.54
4	White	Win	Tamura Kazumasa	2513.43
5	White	Win	Ishitani Shin-ichi	2397.72
6	Black	Win	Nakamura Shigeru	2852.96
10 Kanto Renju Emperor Tournament final match
Date	2010-02-21		Rating	2696.01
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2854.98
2	Black	Win	Nakamura Shigeru	2854.98
3	Black	Loss	Nakamura Shigeru	2854.98
13th Mikami Cup Tournament
Date	2010-01-31		Rating	2691.79
Round	Color	Result	Opponent
S1	Black	Win	Hara Masao	2005.81
S2	Black	Win	Isobe Taizan	2395.04
S3	White	Win	Ishitani Shin-ichi	2387.52
10 Kanto Renju Emperor Tournament 2nd round
Date	2009-12-20		Rating	2681.86
Round	Color	Result	Opponent
1	Black	Win	Tamura Kazumasa	2509.87
2	Black	Win	Ono Takayuki	2388.54
3	White	Loss	Nakamura Shigeru	2857.89
4	Black	Win	Nagao Noriaki	2351.59
5	Black	Draw	Tamada Yoichi	2420.05
40th Kyoto Classified - Special class
Date	2009-11-09		Rating	2672.30
Round	Color	Result	Opponent
1	White	Win	Sakamoto Suzan	2322.40
2	Black	Draw	Iio Yoshihiro	2520.07
3	Black	Win	Miyagawa Junzo	2199.36
4	Black	Loss	Oosumi Yuuki	2629.91
5	Black	Draw	Tamura Kazumasa	2508.93
41 Kyoto Classified Tournament
Date	2009-11-08		Rating	2672.15
Round	Color	Result	Opponent
S1	White	Win	Kudomi Takahiro	2364.84
S2	Black	Win	Mano Yoshihisa	2320.07
S3	Black	Loss	Miyoshi Takeo	2156.14
S4	Black	Loss	Iio Yoshihiro	2519.99
S5	White	Win	Sakamoto Suzan	2322.20
10 Kanto Renju Emperor Tournament 1st round
Date	2009-10-04		Rating	2672.09
Round	Color	Result	Opponent
1	Black	Win	Fujikawa Masaki	2049.80
2	Black	Win	Iwano Fumio	2148.31
3	Black	Win	Oosumi Yuuki	2625.71
4	White	Draw	Ono Takayuki	2400.93
47th Meijinsen tournament
Date	2009-09-22		Rating	2671.83
Round	Color	Result	Opponent
1	Black	Win	Kawamura Norihiko	2632.79
2	White	Win	Kataoka Mitsuaki	2257.00
3	Black	Win	Ishitani Shin-ichi	2368.92
4	Black	Loss	Tamura Kazumasa	2506.75
5	White	Win	Matsuura Hiroshi	2365.60
6	Black	Win	Sakamoto Suzan	2311.97
7	Black	Draw	Oosumi Yuuki	2625.83
8	Black	Win	Iio Yoshihiro	2514.88
9	Black	Win	Yamaguchi Yusui	2574.70
World Championship 2009, AT
Date	2009-08-13		Rating	2667.40
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2852.93
2	White	Win	Ono Takayuki	2405.78
3	Black	Loss	Cao Dong	2707.95
4	Black	Loss	Purk Andry	2677.17
5	White	Win	Chen Ko-Han	2553.27
6	White	Win	Kozhin Mikhail	2661.86
7	White	Loss	Karasyov Maxim	2607.71
8	White	Loss	Sushkov Vladimir	2807.41
9	Black	Loss	Wu Di	2653.05
10	Black	Loss	Taimla Tunnet	2832.66
11	Black	Win	Nykl Ondřej	2551.71
World Championship 2009, QT
Date	2009-08-05		Rating	2667.86
Round	Color	Result	Opponent
1	White	Loss	Savrasova Yulia	2659.66
2	Black	Win	Yao Jinrui	2339.98
3	Black	Win	Ono Takayuki	2407.22
4	White	Win	Yin Licheng	2499.79
5	Black	Draw	Nowakowski Maciej	2507.30
6	White	Win	Lin Huang-Yu	2604.22
7	Black	Draw	Cao Dong	2706.58
26th Kanto Championship
Date	2009-05-17		Rating	2669.63
Round	Color	Result	Opponent
1	Black	Win	Ono Takayuki	2408.91
2	Black	Win	Nagao Noriaki	2287.64
3	Black	Draw	Yamaguchi Yusui	2568.42
4	Black	Draw	Nakamura Shigeru	2856.50
5	Black	Draw	Tamura Kazumasa	2514.40
4th All Japan Championship
Date	2009-03-21		Rating	2669.77
Round	Color	Result	Opponent
1	White	Win	Nagao Noriaki	2271.83
2	White	Loss	Ishitani Shin-ichi	2390.23
3	Black	Win	Sakamoto Suzan	2293.34
4	White	Draw	Oosumi Yuuki	2611.16
5	Black	Draw	Mitsumori Masao	2347.82
6	White	Win	Ono Takayuki	2413.00
9 Kanto Renju Emperor Tournament final match
Date	2009-02-08		Rating	2673.97
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2858.32
2	White	Draw	Nakamura Shigeru	2858.32
3	Black	Win	Nakamura Shigeru	2858.32
4	White	Loss	Nakamura Shigeru	2858.32
12th Mikami Cup Tournament
Date	2009-01-18		Rating	2675.02
Round	Color	Result	Opponent
S1	White	Draw	Kawamura Norihiko	2655.63
S2	Black	Loss	Nagao Noriaki	2265.14
S3	Black	Win	Isobe Taizan	2398.83
S4	White	Win	Oosumi Yuuki	2590.57
S5	White	Loss	Nakamura Shigeru	2859.75
46 Meijinsen Match R3-R4
Date	2008-11-23		Rating	2681.86
Round	Color	Result	Opponent
3	Black	Loss	Hasegawa Kazuto	2738.37
9th Kanto Renju Emperor Tournament, 2nd round
Date	2008-11-16		Rating	2683.04
Round	Color	Result	Opponent
1	White	Win	Kudomi Takahiro	2355.08
2	Black	Win	Sato Kiyotomi	2450.53
3	White	Win	Nakayama Tomoharu	2288.33
4	White	Win	Kato Yasuhiro	2000.47
5	Black	Draw	Nakamura Shigeru	2859.15
9th Kanto Renju Emperor Tournament, 1st round
Date	2008-10-26		Rating	2684.99
Round	Color	Result	Opponent
1	Black	Win	Tanizaki Ryusuke	2127.29
2	Black	Draw	Ono Takayuki	2409.30
3	Black	Win	Nakayama Tomoharu	2285.20
4	White	Win	Tamada Yoichi	2268.19
46 Meijinsen Match R1-R2
Date	2008-10-19		Rating	2685.73
Round	Color	Result	Opponent
1	White	Draw	Hasegawa Kazuto	2742.88
2	Black	Loss	Hasegawa Kazuto	2742.88
46th Meijinsen Tournament
Date	2008-09-15		Rating	2690.59
Round	Color	Result	Opponent
1	White	Draw	Kawamura Norihiko	2661.80
2	Black	Win	Matsuura Hiroshi	2327.02
3	White	Win	Iio Yoshihiro	2506.72
4	Black	Win	Ishitani Shin-ichi	2395.60
5	Black	Win	Oosumi Yuuki	2559.78
6	Black	Win	Kataoka Mitsuaki	2249.69
7	White	Win	Yamaguchi Yusui	2581.54
8	Black	Win	Hata Masayuki	2259.43
9	White	Win	Sato Kiyotomi	2442.70
Youth World Championship 2008
Date	2008-08-10		Rating	2689.76
Round	Color	Result	Opponent
A1	White	Win	Zajk Michał	2373.32
A2	White	Win	Tamioła Artur	2403.23
A3	White	Draw	Oll Aivo	2753.46
A4	White	Win	Lents Johann	2482.75
A5	White	Loss	Demján Attila	2746.89
A6	White	Draw	Purk Andry	2636.04
A7	Black	Draw	Ilu Timo	2573.03
A8	White	Win	Tamada Yoichi	2247.95
A9	White	Win	Myasoyedov Yevgeni	2366.47
A10	White	Win	Laube Pavel	2467.41
A11	Black	Win	Andrzejewski Wawrzyniec	2285.23
RIF 20 years anniversary celebration tournament
Date	2008-08-07		Rating	2689.53
Round	Color	Result	Opponent
1	White	Draw	Karlsson Stefan	2597.48
2	White	Win	Sobolev Pavel	2175.56
3	White	Win	Jonsson Peter	2330.27
4	Black	Win	Poghosyan Albert	2380.48
5	Black	Win	Nykl Ondřej	2466.37
6	Black	Win	Ono Takayuki	2406.37
25th Kanto Championship
Date	2008-05-18		Rating	2678.34
Round	Color	Result	Opponent
1	White	Win	Maruta Hiroki	2037.41
2	Black	Win	Tamada Yoichi	2223.51
3	Black	Loss	Nakamura Shigeru	2858.47
4	Black	Win	Isobe Taizan	2424.63
5	White	Win	Arita Nobuyoshi	2393.16
3rd All Japan Championship
Date	2008-03-23		Rating	2669.48
Round	Color	Result	Opponent
1	Black	Win	Tamada Yoichi	2206.76
2	Black	Draw	Kudomi Takahiro	2334.23
3	Black	Win	Sato Kiyotomi	2415.38
4	Black	Loss	Nakamura Shigeru	2855.64
5	White	Win	Ono Takayuki	2395.22
6	Black	Draw	Isobe Taizan	2435.64
8 Kanto Renju Emperor Tournament final match
Date	2008-02-24		Rating	2666.59
Round	Color	Result	Opponent
1	White	Draw	Nakamura Shigeru	2854.92
2	Black	Win	Nakamura Shigeru	2854.92
3	Black	Loss	Nakamura Shigeru	2854.92
4	White	Loss	Nakamura Shigeru	2854.92
8th Kanto Renju Emperor Tournament 2nd round
Date	2007-12-16		Rating	2655.58
Round	Color	Result	Opponent
1	Black	Loss	Ishitani Shin-ichi	2400.57
2	White	Loss	Nakamura Shigeru	2856.93
3	White	Win	Kurata Kiyotaka	2274.77
4	Black	Win	Isobe Taizan	2434.91
5	White	Win	Ono Takayuki	2385.85
39th Kyoto Classified - Special Class
Date	2007-11-11		Rating	2652.24
Round	Color	Result	Opponent
1	Black	Win	Sakamoto Suzan	2277.31
2	White	Win	Okumura Toyohiko	2323.26
3	Black	Draw	Hasegawa Kazuto	2767.01
4	White	Win	Oosumi Yuuki	2558.10
5	Black	Win	Iio Yoshihiro	2533.66
The 45th Meijin-sen Tournament
Date	2007-09-17		Rating	2640.28
Round	Color	Result	Opponent
1	Black	Win	Miyoshi Takeo	2302.34
2	White	Win	Kawamura Norihiko	2631.00
3	White	Win	Iio Yoshihiro	2536.78
4	White	Win	Hiwatashi Kikuma	1885.72
5	Black	Win	Sato Kiyotomi	2398.44
6	Black	Loss	Yamaguchi Yusui	2652.18
7	White	Loss	Oosumi Yuuki	2555.57
8	White	Win	Isobe Taizan	2435.44
9	White	Win	Matsuura Hiroshi	2301.04
World Championship 2007, AT
Date	2007-08-15		Rating	2631.51
Round	Color	Result	Opponent
1	White	Draw	Savrasova Yulia	2695.94
2	White	Win	Iio Yoshihiro	2538.41
3	Black	Win	Oll Aivo	2655.02
4	White	Draw	Karlsson Stefan	2612.07
5	White	Loss	Yamaguchi Yusui	2655.42
6	White	Loss	Wu Di	2703.93
7	Black	Loss	Taimla Tunnet	2760.82
8	White	Loss	Chingin Konstantin	2798.77
9	Black	Loss	Sushkov Vladimir	2759.02
10	Black	Draw	Kozhin Mikhail	2596.77
11	White	Loss	Purk Andry	2634.27
World Championship 2007, QT
Date	2007-08-08		Rating	2630.71
Round	Color	Result	Opponent
1	White	Win	Eriksson Marcus	2302.93
2	White	Win	Ikonen Jussi	2263.13
3	Black	Draw	Iio Yoshihiro	2539.07
4	Black	Win	Oosumi Yuuki	2547.63
5	Black	Win	Lin Huang-Yu	2522.58
6	Black	Draw	Poghosyan Albert	2389.40
7	White	Loss	Wu Di	2701.97
24th Kanto Championship Tournament
Date	2007-05-06		Rating	2618.49
Round	Color	Result	Opponent
1	Black	Win	Iwano Fumio	2157.58
2	White	Win	Kubo Izumi	2099.32
3	Black	Win	Sato Kiyotomi	2420.25
4	White	Win	Isobe Taizan	2430.54
5	Black	Win	Kudomi Takahiro	2334.49
The 5th Shanghai Renju Meijin Invitation Tournament
Date	2007-05-03		Rating	2617.85
Round	Color	Result	Opponent
1	Black	Loss	Yamaguchi Yusui	2645.49
2	Black	Win	Ge Chongyu	2391.29
3	Black	Loss	Cao Dong	2626.88
SF1	Black	Win	Mitsumori Masao	2269.79
SF2	Black	Draw	Isobe Taizan	2430.53
SF3	Black	Loss	Zhu Jianfeng	2516.25
SF4	White	Draw	Zhang Yifeng	2381.49
7th Kanto Renju Emperor Tournament - Final
Date	2007-02-25		Rating	2616.78
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2849.57
2	Black	Draw	Nakamura Shigeru	2849.57
3	Black	Draw	Nakamura Shigeru	2849.57
The 7th Kanto Renju Emperor Tournament, 2nd round
Date	2006-12-10		Rating	2612.33
Round	Color	Result	Opponent
	White	Win	Hara Masao	2084.49
	White	Win	Kudomi Takahiro	2296.67
	White	Win	Nagao Noriaki	2243.29
	White	Win	Sato Kiyotomi	2432.99
	Black	Loss	Nakamura Shigeru	2850.88
38th Kyoto Classified - Special class
Date	2006-11-12		Rating	2609.61
Round	Color	Result	Opponent
1	White	Win	Miyagawa Junzo	2273.91
2	Black	Win	Miyoshi Takeo	2282.28
3	White	Win	Miyagawa Sou	2175.24
4	Black	Win	Takashima Junya	2505.17
5	White	Draw	Oosumi Yuuki	2473.57
The 44th Meijin-sen Tournament
Date	2006-09-18		Rating	2601.21
Round	Color	Result	Opponent
1	Black	Loss	Yamaguchi Yusui	2637.50
2	Black	Win	Iio Yoshihiro	2511.91
3	Black	Win	Nagao Noriaki	2242.26
4	White	Draw	Fujii Naoki	2136.06
5	Black	Loss	Kawamura Norihiko	2665.06
6	White	Win	Sato Kiyotomi	2441.47
7	White	Win	Ishitani Shin-ichi	2362.40
8	Black	Draw	Oosumi Yuuki	2454.03
9	White	Win	Matsuura Hiroshi	2299.69
Asian Championship 2006
Date	2006-08-15		Rating	2597.41
Round	Color	Result	Opponent
1	White	Win	Yoon Seong-Won	1831.13
2	White	Win	Kim Kyu-Cheol	2001.29
3	White	Loss	Kim Chang-Hoon	2542.67
4	White	Win	Choi Yun Suk	2268.07
5	Black	Win	Kim Gyu-Hyeon	2491.90
6	White	Win	Kim Byoung-Jun	2504.09
7	White	Draw	Yamaguchi Yusui	2635.25
8	Black	Win	Iio Yoshihiro	2511.12
Youth World Championship 2006
Date	2006-08-08		Rating	2596.04
Round	Color	Result	Opponent
a1	White	Draw	Takashima Junya	2501.71
a2	Black	Loss	Duan Ran	2350.79
a3	Black	Win	Hallkvist Joel	2059.26
a4	White	Win	Maruta Hiroki	1996.46
a5	White	Draw	Zhang Cheng	2453.50
a6	Black	Loss	Lents Johann	2512.60
a7	White	Win	Blomstedt Torbjorn	2125.19
a8	Black	Draw	Qiu Yunfei	2524.83
23rd Kanto Championship
Date	2006-05-21		Rating	2595.67
Round	Color	Result	Opponent
1	Black	Win	Ono Takayuki	2298.87
2	White	Win	Tadokoro Hosai	1934.14
3	Black	Draw	Mitsumori Masao	2257.98
4	White	Win	Arita Nobuyoshi	2368.72
5	White	Draw	Yamaguchi Yusui	2637.03
Team World Championship 2006
Date	2006-05-05		Rating	2595.47
Round	Color	Result	Opponent
1	Black	Draw	Saarenpää Samuli	2462.97
2	Black	Win	Karlsson Stefan	2555.09
3	Black	Loss	Meritee Ando	2865.97
4	Black	Win	Salnikov Pavel	2538.27
5	Black	Win	Chen Wei	2542.61
6	Black	Loss	Sushkov Vladimir	2724.35
7	Black	Loss	Ilu Timo	2572.25
F1	Black	Win	Karlsson Stefan	2555.09
F2	Black	Loss	Karlsson Stefan	2555.09
6th Kanto Renju Emperor Tournament - Final match
Date	2005-12-04		Rating	2594.24
Round	Color	Result	Opponent
1	White	Win	Yamaguchi Yusui	2602.82
2	Black	Loss	Yamaguchi Yusui	2602.82
3	White	Draw	Yamaguchi Yusui	2602.82
4	Black	Win	Yamaguchi Yusui	2602.82
37th Kyoto Classified - Special class
Date	2005-11-13		Rating	2592.79
Round	Color	Result	Opponent
1	Black	Draw	Ishitani Shin-ichi	2392.56
2	White	Win	Yamaguchi Yusui	2597.87
3	White	Win	Takashima Junya	2516.90
4	White	Draw	Iio Yoshihiro	2479.54
5	Black	Draw	Miyoshi Takeo	2278.93
6th Kanto Renju Emperor Tournament - Semifinal
Date	2005-10-23		Rating	2591.05
Round	Color	Result	Opponent
	White	Draw	Yamaguchi Yusui	2595.06
	Black	Loss	Isobe Taizan	2457.16
	Black	Win	Kamemoto Daichi	2180.18
	Black	Win	Sato Kiyotomi	2394.03
	Black	Win	Koyama Jun	2299.26
The 43rd Meijin-sen Tournament
Date	2005-09-19		Rating	2588.96
Round	Color	Result	Opponent
1	Black	Win	Oosumi Yuuki	2391.56
2	Black	Loss	Takashima Junya	2509.29
3	Black	Draw	Ishitani Shin-ichi	2398.09
4	White	Win	Matsuura Hiroshi	2348.91
5	White	Loss	Hasegawa Kazuto	2702.11
6	Black	Win	Tanaka Koichi	2332.74
7	White	Win	Sato Kiyotomi	2391.90
8	White	Win	Kawate Kozo	2172.73
9	Black	Win	Yamaguchi Yusui	2589.03
World Championship 2005, AT
Date	2005-08-07		Rating	2585.11
Round	Color	Result	Opponent
1	Black	Loss	Purk Andry	2568.15
2	Black	Loss	Chingin Konstantin	2736.52
3	Black	Draw	Artemyev Sergey	2652.71
4	Black	Draw	Taimla Tunnet	2752.49
5	Black	Draw	Karlsson Stefan	2543.68
6	White	Win	Savrasova Yulia	2659.11
7	Black	Draw	Hermansson Hannes	2421.55
8	Black	Loss	Meritee Ando	2851.25
9	Black	Draw	Sushkov Vladimir	2697.63
10	Black	Draw	Tarannikov Yuriy	2615.18
11	Black	Win	Andersson Tord	2384.07
43rd Meijinsen Qualification: East Japan Final
Date	2005-07-11		Rating	2582.43
Round	Color	Result	Opponent
	White	Loss	Sato Kiyotomi	2394.15
	Black	Draw	Itami Yoshiyuki	2188.95
	Black	Win	Mitsumori Masao	2275.19
43rd Meijinsen Qualification: East Japan 1st round
Date	2005-06-12		Rating	2582.80
Round	Color	Result	Opponent
1	Black	Win	Tanno Yoshitaka	2093.27
2	White	Win	Ono Takayuki	2291.77
3	Black	Win	Itami Yoshiyuki	2188.83
4	Black	Loss	Mitsumori Masao	2272.81
22nd Kanto Championship
Date	2005-05-22		Rating	2584.34
Round	Color	Result	Opponent
1	White	Win	Matsuoka Teruo	1858.72
2	Black	Win	Kamemoto Daichi	2131.62
3	Black	Win	Yamaguchi Yusui	2561.68
4	White	Win	Kawamura Norihiko	2691.68
5	Black	Draw	Isobe Taizan	2465.44
Japan WC Qualification tournament
Date	2005-04-03		Rating	2582.31
Round	Color	Result	Opponent
1	White	Win	Arita Nobuyoshi	2301.53
2	Black	Win	Miyagawa Junzo	2253.28
3	Black	Loss	Isobe Taizan	2462.65
4	Black	Draw	Ono Takayuki	2295.13
5	White	Win	Oosumi Yuuki	2369.42
6	White	Win	Matsuura Hiroshi	2388.71
5th Kanto Renju Emperor Tournament - Final
Date	2005-01-30		Rating	2581.33
Round	Color	Result	Opponent
1	White	Win	Yamaguchi Yusui	2560.58
2	Black	Win	Yamaguchi Yusui	2560.58
5th Kanto Renju Emperor Tournament - 2nd round
Date	2004-12-19		Rating	2576.30
Round	Color	Result	Opponent
	White	Win	Mitsumori Masao	2246.35
	White	Win	Kudomi Takahiro	2328.30
	White	Win	Ono Takayuki	2293.36
	White	Win	Sato Kiyotomi	2368.05
	Black	Loss	Yamaguchi Yusui	2567.78
5th Kanto Renju Emperor Tournament - 1st round
Date	2004-11-28		Rating	2573.29
Round	Color	Result	Opponent
1	Black	Win	Maruta Hiroki	1957.78
2	White	Win	Nagao Noriaki	2245.61
3	Black	Win	Arita Nobuyoshi	2279.81
4	White	Draw	Sato Kiyotomi	2368.03
The 42nd Meijin-sen Tournament
Date	2004-09-20		Rating	2563.04
Round	Color	Result	Opponent
1	Black	Loss	Iio Yoshihiro	2455.94
2	Black	Win	Sakamoto Suzan	2291.89
3	Black	Draw	Takagawa Teiji	2335.92
4	White	Draw	Kawamura Norihiko	2720.49
5	White	Draw	Matsuura Hiroshi	2404.63
6	White	Draw	Ishitani Shin-ichi	2377.36
7	White	Loss	Saito Koji	2191.68
8	Black	Win	Sakashita Shoichi	2205.01
9	White	Loss	Hasegawa Kazuto	2655.86
Youth World Championship 2004
Date	2004-08-06		Rating	2567.16
Round	Color	Result	Opponent
4	White	Win	Lysakov Mikhail	2434.24
9	Black	Win	Mossinyan David	2244.32
A1	White	Win	Miyagawa Sou	2117.33
A2	White	Win	Vershinin Pavel	2593.47
A3	White	Win	Tamura Kazumasa	2334.03
A5	White	Win	Oll Aivo	2465.94
A6	White	Win	Ilu Timo	2530.68
A7	White	Win	Lents Johann	2551.95
A8	White	Win	Purk Andry	2437.85
A10	White	Win	Antanyan Samvel	2217.35
A11	White	Loss	Nagao Noriaki	2253.45
42nd Meijinsen Qualification: East Japan 2nd round
Date	2004-07-11		Rating	2563.37
Round	Color	Result	Opponent
	White	Loss	Kawamura Norihiko	2721.42
	Black	Loss	Sato Kiyotomi	2356.60
	White	Win	Kudomi Takahiro	2327.47
4th Kanto Renju Emperor Tournament - Final
Date	2004-02-29		Rating	2556.56
Round	Color	Result	Opponent
1	Black	Draw	Yamaguchi Yusui	2593.60
2	Black	Win	Yamaguchi Yusui	2593.60
3	Black	Loss	Yamaguchi Yusui	2593.60
4	Black	Loss	Yamaguchi Yusui	2593.60
7th Mikami Cup - Special Class
Date	2004-01-25		Rating	2555.89
Round	Color	Result	Opponent
1	Black	Draw	Mitsumori Masao	2260.89
2	Black	Loss	Yamaguchi Yusui	2594.45
4	White	Win	Kudomi Takahiro	2322.12
4th Kanto Renju Emperor Tournament - 2nd round
Date	2003-11-30		Rating	2558.45
Round	Color	Result	Opponent
	White	Win	Nagao Noriaki	2281.39
	White	Win	Mitsumori Masao	2266.68
	White	Win	Maruta Koji	2229.26
	White	Win	Isobe Taizan	2423.57
	White	Draw	Yamaguchi Yusui	2594.21
4th Kanto Renju Emperor Tournament - 1st round
Date	2003-11-16		Rating	2557.80
Round	Color	Result	Opponent
1	Black	Win	Sasaki Miyu	1939.39
2	White	Win	Sato Takuma	2144.86
3	Black	Win	Ono Takayuki	2213.69
4	White	Win	Isobe Taizan	2422.40
41st Meijin-sen Tournament
Date	2003-09-15		Rating	2551.19
Round	Color	Result	Opponent
1	Black	Win	Miyagawa Junzo	2262.75
2	White	Draw	Hasegawa Kazuto	2626.17
3	White	Win	Ishitani Shin-ichi	2383.61
4	Black	Draw	Takashima Junya	2342.04
5	Black	Draw	Kudomi Takahiro	2340.67
6	Black	Win	Isobe Taizan	2417.28
7	White	Loss	Matsuura Hiroshi	2408.94
8	Black	Win	Kuga Akio	2383.66
9	Black	Loss	Iio Yoshihiro	2497.25
World Championship 2003, AT
Date	2003-08-08		Rating	2549.99
Round	Color	Result	Opponent
1	White	Loss	Sushkov Vladimir	2690.06
2	Black	Win	Yamaguchi Yusui	2579.39
3	Black	Draw	Iio Yoshihiro	2495.12
4	White	Loss	Taimla Tunnet	2709.00
5	Black	Loss	Chingin Konstantin	2715.64
6	Black	Loss	Meritee Ando	2801.97
7	Black	Win	Sinyov Igor	2555.04
8	White	Win	Karlsson Stefan	2557.86
9	Black	Win	Gaulitz Joachim	2407.08
10	White	Win	Andersson Tord	2380.24
11	Black	Win	Carlsson Martin	2428.50
41th Meijinsen Qualification: East Japan 2nd round
Date	2003-07-13		Rating	2545.32
Round	Color	Result	Opponent
	White	Draw	Isobe Taizan	2429.53
	Black	Draw	Sato Kiyotomi	2300.15
	Black	Win	Suzuki Naoya	2317.63
41th Meijinsen Qualification: East Japan 1st round
Date	2003-06-08		Rating	2540.03
Round	Color	Result	Opponent
1	Black	Win	Ono Takayuki	2190.21
2	White	Win	Nagao Noriaki	2307.46
3	Black	Draw	Suzuki Naoya	2317.95
4	White	Win	Sano Hiroyuki	2209.87
Japan WC Qualification 2003
Date	2003-03-22		Rating	2526.72
Round	Color	Result	Opponent
1	Black	Win	Nagao Noriaki	2306.76
2	Black	Win	Unoura Hidenori	2173.11
3	Black	Win	Isobe Taizan	2440.78
4	White	Win	Ishitani Shin-ichi	2391.08
5	Black	Win	Miyoshi Takeo	2242.37
34th Kyoto Classified - special class
Date	2002-11-10		Rating	2486.73
Round	Color	Result	Opponent
1	White	Loss	Iio Yoshihiro	2441.49
2	White	Win	Miyagawa Junzo	2252.76
3	Black	Win	Adachi Yasuhiro	2001.88
4	White	Win	Doi Manabu	2105.78
5	White	Loss	Kudomi Takahiro	2390.88
40th Meijin-sen Tournament
Date	2002-09-16		Rating	2475.17
Round	Color	Result	Opponent
1	White	Win	Kudomi Takahiro	2393.32
2	Black	Loss	Isobe Taizan	2447.07
3	White	Loss	Iio Yoshihiro	2432.83
4	Black	Win	Ishitani Shin-ichi	2392.39
5	Black	Loss	Yamaguchi Yusui	2590.56
6	White	Win	Nishimura Toshio	2354.00
7	White	Loss	Takagawa Teiji	2359.87
8	White	Win	Matsuura Hiroshi	2313.81
9	White	Loss	Hasegawa Kazuto	2591.83
Youth World Championship 2002
Date	2002-08-02		Rating	2470.99
Round	Color	Result	Opponent
A1	White	Win	Nagao Noriaki	2303.77
A2	White	Win	Novikov Nikolay	2185.35
A3	White	Loss	Chingin Konstantin	2657.33
A4	White	Win	Nekrasov Denis	2363.68
A5	White	Win	Lents Johann	2429.36
A6	White	Win	Vershinin Pavel	2457.91
A7	White	Win	Karasyov Maxim	2479.21
A8	White	Draw	Kazarin Mikhail	2423.47
A9	Black	Loss	Mossinyan David	2252.25
A10	White	Draw	Tamura Kazumasa	2260.36
A11	Black	Win	Provorov Yury	2207.95
40th Meijinsen Qualification: East Japan 2nd round
Date	2002-07-14		Rating	2467.05
Round	Color	Result	Opponent
	White	Win	Sunagawa Shouki	2171.78
	White	Win	Nara Hideki	2550.48
	White	Draw	Isobe Taizan	2450.49
40th Meijinsen Qualification: East Japan 1st round
Date	2002-06-02		Rating	2454.85
Round	Color	Result	Opponent
1	Black	Draw	Kato Yasuhiro	2098.38
2	Black	Win	Ohno Syunzo	1994.88
3	Black	Win	Arita Nobuyoshi	2156.15
4	White	Win	Sunagawa Shouki	2179.75
World Championship 2001, BT
Date	2001-08-12		Rating	2369.38
Round	Color	Result	Opponent
1	White	Win	Dzainukov Eldar	2015.48
2	White	Win	Gaujens Artis	2056.05
3	Black	Draw	Nosovsky Alexander	2142.57
4	White	Win	Khramov Andrey	2205.50
5	Black	Loss	Carlsson Martin	2306.43
6	Black	Loss	Henningsson Anders	2456.17
7	Black	Draw	Miyoshi Takeo	2200.85
8	White	Win	Sakamoto Suzan	2213.99
World Championship 2001, QT
Date	2001-08-06		Rating	2368.07
Round	Color	Result	Opponent
1	White	Draw	Park Jeong Ho	2304.48
2	Black	Win	Eibatov Nizami	2360.32
3	Black	Draw	Kusajima Masato	2392.53
4	Black	Win	Kim Byoung-Jun	2453.95
5	Black	Draw	Gardström Petter	2514.59
6	Black	Loss	Nara Hideki	2541.59
7	White	Loss	Lin Sheng-Min	2206.22
Japan WC Qualification tournament
Date	2001-03-24		Rating	2334.60
Round	Color	Result	Opponent
1	White	Draw	Mitsumori Masao	2298.61
2	White	Loss	Hasegawa Kazuto	2563.04
3	White	Win	Iwata Akihisa	2197.14
4	White	Loss	Isobe Taizan	2442.69
5	White	Draw	Koiso Shigemasa	2169.90
6	White	Win	Sakamoto Suzan	2177.52
7	Black	Win	Miyagawa Sou	1969.07
Youth World Championship 2000
Date	2000-08-04		Rating	2280.28
Round	Color	Result	Opponent
A1	White	Loss	Grishnin Stepan	2129.12
A3	White	Loss	Diner Stanislav	2268.31
A4	Black	Draw	Widman Christofher	1810.82
A5	White	Win	Unoura Kazuhisa	1930.68
A6	Black	Win	Fjellstrom Kristoffer	1799.02
A7	Black	Loss	Hermansson Hannes	2340.96
A9	White	Draw	Karasyov Maxim	2315.59
38th Meijinsen Qualification: East Japan 1st round
Date	2000-06-04		Rating	2278.51
Round	Color	Result	Opponent
4	White	Win	Hara Masao	2120.67
Kanto Championship
Date	2000-05-14		Rating	2277.23
Round	Color	Result	Opponent
1	White	Win	Nara Hideki	2566.24
2	Black	Loss	Mitsumori Masao	2296.64
3	Black	Draw	Omata Mitsuo	1871.53
4	Black	Win	Hara Masao	2120.98