Okabe Hiroshi (岡部寛)

Place: Tokyo, Japan

Birth: 1985-12-14

Rating: 2725.63, Std: 77.20, Rank: 18

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

Top rating: 2761.17 (2014-01-26)

Games: 1124, Wins: 669, Draws: 222, Losses: 233

Gy1: 47, Gy2: 101, Gy5: 194

42nd Kanto Championship
Date	2025-05-05		Rating	2725.63
Round	Color	Result	Opponent
1	Black	Win	Maruta Hiroki	2295.59
2	Black	Win	Ono Takayuki	2435.55
3	Black	Win	Tachi Masaya	2522.05
4	White	Draw	Matsuda Shoma	2565.78
5	White	Win	Ishitani Shin-ichi	2379.27
6	White	Draw	Yoshikawa Tomoki	2299.22
19th All Japan Championship
Date	2025-04-20		Rating	2725.71
Round	Color	Result	Opponent
1	White	Win	Tanaka Shotaro	2320.58
2	White	Win	Fujita Maiko	2443.78
3	Black	Draw	Matsuda Shoma	2563.99
4	White	Draw	Kamiya Shunsuke	2838.31
5	Black	Draw	Nakayama Tomoharu	2759.42
6	Black	Win	Tachi Masaya	2523.66
16th Tohoku Championship
Date	2025-03-09		Rating	2723.67
Round	Color	Result	Opponent
1	White	Win	Kusajima Masato	2196.60
2	Black	Win	Miyamoto Syunju	2294.04
3	Black	Win	Fujita Maiko	2440.63
4	Black	Win	Shimura Hiroki	2226.76
5	Black	Draw	Kawaai Hitoshi	2056.79
28th New Year (Mikami) Cup
Date	2025-01-19		Rating	2722.05
Round	Color	Result	Opponent
S1	Black	Loss	Fujita Maiko	2437.60
S2	White	Loss	Inoue Fumiya	2508.99
S4	Black	Win	Ishitani Shin-ichi	2389.03
S5	Black	Win	Kawamura Norihiko	2405.17
25 Kanto Renju Emperor Tournament Final round
Date	2024-12-08		Rating	2726.93
Round	Color	Result	Opponent
1	Black	Win	Miyamoto Syunju	2298.18
2	White	Win	Ono Takayuki	2424.17
3	Black	Draw	Wang Qingqing	2662.00
4	White	Loss	Inoue Fumiya	2504.13
5	Black	Win	Kamiya Shunsuke	2840.95
6	Black	Win	Matsuda Shoma	2520.55
7	White	Draw	Fujita Maiko	2434.90
62nd Meijinsen match R3-4
Date	2024-11-24		Rating	2728.71
Round	Color	Result	Opponent
3	Black	Draw	Kamiya Shunsuke	2841.46
4	Black	Draw	Kamiya Shunsuke	2841.46
62nd Meijinsen match R1-2
Date	2024-11-04		Rating	2730.55
Round	Color	Result	Opponent
1	Black	Loss	Kamiya Shunsuke	2842.62
2	White	Draw	Kamiya Shunsuke	2842.62
62nd Meijinsen Tournament
Date	2024-10-14		Rating	2732.93
Round	Color	Result	Opponent
1	White	Win	Kawano Takahisa	2514.15
2	Black	Win	Inoue Fumiya	2500.90
3	White	Win	Matsuda Shoma	2500.35
4	Black	Win	Yamane Tomohiro	2045.67
5	White	Draw	Makino Mitsunori	2635.27
6	Black	Win	Tachi Masaya	2572.07
7	White	Win	Ishitani Shin-ichi	2400.89
8	Black	Draw	Nakayama Tomoharu	2761.04
9	White	Win	Kuga Akio	2397.12
41st Kanto Championship
Date	2024-07-21		Rating	2732.18
Round	Color	Result	Opponent
1	White	Win	Suenaga Daiki	2106.61
2	Black	Win	Fujita Maiko	2416.23
3	White	Win	Inoue Fumiya	2492.95
4	White	Win	Matsuda Shoma	2490.75
5	Black	Win	Takazawa Nagayoshi	2229.21
6	White	Draw	Ishitani Shin-ichi	2406.86
Team World Championship 2024
Date	2024-05-04		Rating	2729.30
Round	Color	Result	Opponent
6	White	Win	Lee Chi Son	2250.42
7	Black	Win	Gromov Danila	2574.22
8	Black	Win	Liu Qin	2567.85
9	Black	Win	Wu Di	2709.61
18th All Japan Championship
Date	2024-02-12		Rating	2716.21
Round	Color	Result	Opponent
1	Black	Loss	Tanaka Shotaro	2310.16
2	White	Win	Suzuki Yoshitaka	1967.89
3	Black	Loss	Miyamoto Syunju	2342.87
4	White	Win	Kato Yasuhiro	2034.48
5	Black	Win	Ishitani Shin-ichi	2405.00
6	White	Draw	Tachi Masaya	2592.41
27th New Year (Mikami) Cup
Date	2024-01-14		Rating	2717.38
Round	Color	Result	Opponent
S1	Black	Win	Ono Takayuki	2420.88
S2	Black	Win	Fujita Maiko	2407.16
S3	Black	Win	Ishitani Shin-ichi	2407.56
S4	Black	Draw	Inoue Fumiya	2500.06
S5	White	Win	Tanaka Shotaro	2309.31
24 Kanto Renju Emperor Tournament 2nd round
Date	2023-12-10		Rating	2717.83
Round	Color	Result	Opponent
1	Black	Draw	Nakayama Tomoharu	2770.99
2	Black	Win	Inoue Fumiya	2499.03
3	White	Win	Miyamoto Syunju	2326.93
4	White	Loss	Kamiya Shunsuke	2852.57
5	White	Win	Makino Mitsunori	2626.81
24 Kanto Renju Emperor Tournament Kanto area 1st round
Date	2023-11-19		Rating	2717.05
Round	Color	Result	Opponent
1	White	Win	Matsuda Shoma	2411.16
2	Black	Draw	Wang Qingqing	2656.72
3	White	Win	Ono Takayuki	2426.98
4	Black	Draw	Nakayama Tomoharu	2772.01
ex	White	Win	Maruta Hiroki	2243.04
61st Meijinsen match R3
Date	2023-10-28		Rating	2715.36
Round	Color	Result	Opponent
3	Black	Loss	Kamiya Shunsuke	2852.74
61st Meijinsen match R1-2
Date	2023-10-15		Rating	2714.81
Round	Color	Result	Opponent
1	Black	Loss	Kamiya Shunsuke	2852.34
2	White	Loss	Kamiya Shunsuke	2852.34
61st Meijinsen Tournament
Date	2023-09-18		Rating	2715.54
Round	Color	Result	Opponent
1	Black	Draw	Kawano Takahisa	2529.72
2	White	Win	Tachi Masaya	2577.99
3	Black	Win	Maruyama Yasushi	2248.07
4	White	Win	Matsuda Shoma	2396.44
5	White	Win	Fujita Maiko	2413.08
6	Black	Win	Makino Mitsunori	2619.63
7	Black	Win	Yamane Tomohiro	2071.75
8	Black	Draw	Hasegawa Kazuto	2551.25
9	Black	Win	Nakayama Tomoharu	2774.08
World Championship 2023, AT
Date	2023-08-12		Rating	2711.73
Round	Color	Result	Opponent
1	Black	Loss	Epifanov Dmitry	2666.71
2	White	Win	Inoue Fumiya	2516.20
3	Black	Win	Ni Zhongxing	2746.48
4	Black	Win	Burtsev Nikolai	2527.03
5	White	Loss	Nakayama Tomoharu	2776.78
6	White	Win	Kamiya Shunsuke	2845.95
7	White	Draw	Pinsky Alexander	2629.75
8	Black	Win	Lee Ho June	2435.00
9	Black	Draw	Lu Hai	2754.17
10	Black	Draw	Mei Fan	2758.23
11	Black	Draw	Cao Dong	2747.69
40th Kanto Championship
Date	2023-07-09		Rating	2704.46
Round	Color	Result	Opponent
1	Black	Win	Fujita Maiko	2417.73
2	Black	Loss	Makino Mitsunori	2614.71
3	White	Loss	Miyamoto Syunju	2300.95
4	White	Win	Tanaka Shotaro	2314.77
5	Black	Win	Takazawa Nagayoshi	2283.82
6	Black	Win	Ishitani Shin-ichi	2381.41
17th All Japan Championship
Date	2023-03-19		Rating	2693.77
Round	Color	Result	Opponent
1	White	Win	Miyamoto Syunju	2272.07
2	White	Win	Ishitani Shin-ichi	2370.97
3	Black	Draw	Kamiya Shunsuke	2854.63
4	White	Draw	Makino Mitsunori	2615.99
5	Black	Draw	Nakayama Tomoharu	2787.36
6	White	Draw	Tachi Masaya	2543.39
23 Kanto Renju Emperor Tournament 2nd round
Date	2023-01-29		Rating	2687.73
Round	Color	Result	Opponent
1	White	Loss	Inoue Fumiya	2527.24
2	White	Loss	Yokoyama Shota	2465.18
3	Black	Win	Kamiya Shunsuke	2853.27
4	White	Win	Fujita Maiko	2418.51
5	Black	Win	Maruta Koji	2166.56
26th New Year (Mikami) Cup
Date	2023-01-15		Rating	2686.87
Round	Color	Result	Opponent
S1	Black	Win	Takazawa Nagayoshi	2266.90
S2	Black	Draw	Inoue Fumiya	2527.39
S3	White	Win	Ono Takayuki	2422.71
S4	White	Loss	Ishitani Shin-ichi	2372.96
S5	Black	Draw	Tanaka Shotaro	2324.90
60th Meijinsen Tournament
Date	2022-09-19		Rating	2695.35
Round	Color	Result	Opponent
1	Black	Win	Kuga Akio	2398.88
2	Black	Win	Ono Takayuki	2418.67
3	White	Draw	Makino Mitsunori	2622.30
4	Black	Win	Miyamoto Syunju	2248.14
5	White	Win	Kawamoto Shoma	2315.26
6	Black	Win	Hasegawa Kazuto	2607.42
7	White	Loss	Nagasoe Hiroki	2651.83
8	White	Win	Ishitani Shin-ichi	2357.97
9	Black	Draw	Nakayama Tomoharu	2799.69
39 Kanto Championship
Date	2022-07-31		Rating	2696.31
Round	Color	Result	Opponent
1	Black	Win	Tanaka Shotaro	2306.06
2	Black	Win	Maruta Hiroki	2189.70
3	Black	Win	Ono Takayuki	2422.80
4	White	Win	Ishitani Shin-ichi	2356.13
5	White	Draw	Yokoyama Shota	2458.34
6	White	Win	Kato Yasuhiro	2062.62
22nd Kanto Renju Emperor Tournament Final
Date	2022-03-19		Rating	2696.32
Round	Color	Result	Opponent
1	Black	Loss	Kamiya Shunsuke	2858.45
2	Black	Draw	Kamiya Shunsuke	2858.45
3	White	Loss	Kamiya Shunsuke	2858.45
59th Meijinsen Tournament
Date	2022-01-10		Rating	2698.95
Round	Color	Result	Opponent
1	White	Win	Maruta Hiroki	2244.52
2	Black	Draw	Nakayama Tomoharu	2819.28
3	Black	Win	Maruyama Yasushi	2268.68
4	Black	Win	Ono Takayuki	2419.46
5	White	Win	Hayashi Shoichi	2151.61
6	Black	Win	Iio Yoshihiro	2394.48
7	White	Win	Nagasoe Hiroki	2653.14
8	White	Draw	Hasegawa Kazuto	2565.50
9	Black	Loss	Kamiya Shunsuke	2854.37
ex	White	Win	Nagasoe Hiroki	2653.14
22 Renju Emperor Tournament 2nd round
Date	2021-12-19		Rating	2697.20
Round	Color	Result	Opponent
1	Black	Win	Yokoyama Shota	2448.22
2	Black	Win	Maruta Hiroki	2251.66
3	White	Loss	Kamiya Shunsuke	2854.62
4	Black	Draw	Nagasoe Hiroki	2651.08
5	White	Draw	Shimura Hiroki	2101.30
13th Tohoku Championship
Date	2021-12-12		Rating	2697.08
Round	Color	Result	Opponent
1	White	Win	Miyamoto Syunju	2240.95
2	Black	Win	Fujita Maiko	2376.27
3	Black	Loss	Inoue Fumiya	2512.76
4	White	Win	Maruta Hiroki	2253.65
38 Kanto Championship
Date	2021-08-08		Rating	2701.42
Round	Color	Result	Opponent
1	White	Win	Suenaga Daiki	2252.47
2	White	Win	Ishitani Shin-ichi	2330.65
3	White	Loss	Kamiya Shunsuke	2846.42
4	Black	Loss	Inoue Fumiya	2500.70
5	White	Loss	Yokoyama Shota	2449.26
6	White	Win	Fujita Maiko	2350.23
16th All Japan Championship
Date	2021-03-28		Rating	2729.35
Round	Color	Result	Opponent
1	Black	Win	Suenaga Daiki	2261.25
2	Black	Win	Inoue Fumiya	2476.23
3	Black	Draw	Nakamura Shigeru	2951.13
4	White	Win	Fujita Maiko	2359.86
5	White	Win	Nagasoe Hiroki	2634.09
6	White	Win	Makino Mitsunori	2560.88
21th Kanto Renju Emperor Tournament Final
Date	2021-02-27		Rating	2731.31
Round	Color	Result	Opponent
1	White	Win	Makino Mitsunori	2558.19
2	Black	Win	Makino Mitsunori	2558.19
24th New Year(Mikami)Cup
Date	2021-01-29		Rating	2731.53
Round	Color	Result	Opponent
S1	Black	Win	Ono Takayuki	2389.14
S2	White	Win	Maruta Hiroki	2227.10
S3	Black	Win	Maruta Koji	2116.94
S4	White	Win	Ishitani Shin-ichi	2363.47
S5	Black	Draw	Makino Mitsunori	2554.65
12th Tohoku Championship
Date	2020-12-27		Rating	2731.51
Round	Color	Result	Opponent
	Black	Draw	Nakamura Shigeru	2950.61
21 Renju Emperor Tournament 2nd round
Date	2020-12-06		Rating	2730.85
Round	Color	Result	Opponent
1	White	Win	Shimura Hiroki	1998.48
2	White	Win	Ono Takayuki	2392.39
3	White	Draw	Nagasoe Hiroki	2619.99
4	Black	Win	Inoue Fumiya	2464.50
5	Black	Draw	Makino Mitsunori	2544.01
58 Meijinsen Tournament
Date	2020-09-21		Rating	2729.14
Round	Color	Result	Opponent
1	White	Win	Kamiya Shunsuke	2817.03
2	White	Loss	Makino Mitsunori	2517.84
3	White	Win	Nakayama Tomoharu	2835.39
4	Black	Win	Fujita Maiko	2370.00
5	Black	Win	Fujita Yudai	2479.98
6	White	Loss	Matsuura Hiroshi	2374.19
7	Black	Draw	Tamada Yoichi	2526.53
8	Black	Win	Tanaka Toshiki	2463.61
9	Black	Draw	Tachi Masaya	2480.36
37 Kanto Championship
Date	2020-08-10		Rating	2730.40
Round	Color	Result	Opponent
1	White	Win	Ito Midori	1780.78
2	Black	Win	Kato Yasuhiro	2084.66
3	White	Win	Ishitani Shin-ichi	2368.53
4	White	Win	Maruta Hiroki	2242.77
5	White	Win	Fujita Maiko	2370.27
6	Black	Win	Maruyama Takashi	2040.27
20th Kanto Renju Emperor Tournament Final
Date	2020-02-16		Rating	2729.30
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2962.19
2	White	Loss	Nakamura Shigeru	2962.19
23 New Year (Mikami) Cup
Date	2020-01-26		Rating	2730.13
Round	Color	Result	Opponent
A1	Black	Win	Maruta Hiroki	2215.99
A2	White	Win	Iwano Fumio	2170.15
A3	Black	Loss	Nakamura Shigeru	2962.12
A4	White	Win	Fujita Maiko	2353.33
A5	White	Win	Ishitani Shin-ichi	2372.34
15th All Japan Championship
Date	2020-01-19		Rating	2730.34
Round	Color	Result	Opponent
1	Black	Win	Sakamoto Suzan	2267.00
2	White	Win	Nakamura Shigeru	2961.84
3	White	Win	Inoue Fumiya	2413.63
4	Black	Loss	Nakayama Tomoharu	2843.60
5	Black	Draw	Kamiya Shunsuke	2815.74
6	Black	Win	Iio Yoshihiro	2394.97
20 Renju Emperor Tournament 2nd round
Date	2019-12-08		Rating	2727.37
Round	Color	Result	Opponent
1	White	Win	Inoue Fumiya	2415.50
2	White	Loss	Fujita Maiko	2353.96
3	White	Draw	Nakamura Shigeru	2965.10
4	White	Win	Miyamoto Syunju	2297.26
5	White	Win	Ishitani Shin-ichi	2372.14
11th Tohoku Championship
Date	2019-10-06		Rating	2724.76
Round	Color	Result	Opponent
1	White	Win	Kusajima Masato	2240.00
2	White	Win	Miyamoto Syunju	2293.78
3	Black	Win	Hirono Masakazu	2079.42
4	White	Win	Ishitani Shin-ichi	2377.91
5	White	Win	Gakumazawa Hideaki	2135.48
57 Meijinsen Tournament
Date	2019-09-16		Rating	2723.24
Round	Color	Result	Opponent
1	White	Win	Matsuura Hiroshi	2358.02
2	White	Win	Ishitani Shin-ichi	2381.58
3	Black	Win	Inoue Fumiya	2416.29
4	Black	Draw	Kamiya Shunsuke	2821.40
5	Black	Win	Hasegawa Kazuto	2609.32
6	Black	Loss	Kawamura Norihiko	2660.60
7	White	Win	Nakayama Tomoharu	2824.15
8	Black	Loss	Koyama Jun	2606.15
9	White	Win	Kawano Takahisa	2456.51
World Championship 2019, AT
Date	2019-08-10		Rating	2718.69
Round	Color	Result	Opponent
1	White	Draw	Oll Aivo	2743.68
2	Black	Win	Inoue Fumiya	2420.48
3	Black	Win	Epifanov Dmitry	2672.09
4	White	Draw	Nakayama Tomoharu	2818.75
5	White	Win	Kamiya Shunsuke	2818.59
6	White	Loss	Koyama Jun	2612.21
7	White	Loss	Gardström Petter	2701.11
8	Black	Loss	Cao Dong	2781.28
9	White	Loss	Sushkov Vladimir	2840.19
10	White	Win	Fedotov Denis	2681.34
11	White	Win	Mei Fan	2704.63
36 Kanto Championship
Date	2019-07-28		Rating	2716.49
Round	Color	Result	Opponent
1	Black	Win	Fujikawa Masaki	2148.57
2	White	Win	Makino Mitsunori	2312.65
3	White	Loss	Nakamura Shigeru	2981.75
4	White	Win	Ono Takayuki	2395.12
5	White	Draw	Inoue Fumiya	2422.11
6	White	Win	Ishitani Shin-ichi	2386.55
14th All Japan Championship
Date	2019-03-31		Rating	2698.16
Round	Color	Result	Opponent
1	White	Win	Miyamoto Syunju	2271.56
2	White	Loss	Nakamura Shigeru	2993.36
3	White	Draw	Kamiya Shunsuke	2810.79
4	White	Win	Iio Yoshihiro	2447.94
5	White	Loss	Inoue Fumiya	2424.78
6	White	Win	Koyama Jun	2585.53
19th Kanto Renju Emperor Tournament Final
Date	2019-02-17		Rating	2692.67
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2995.85
2	Black	Loss	Nakamura Shigeru	2995.85
22 New Year (Mikami) Cup
Date	2019-01-20		Rating	2689.94
Round	Color	Result	Opponent
1	White	Win	Inoue Fumiya	2409.37
2	White	Win	Tomobe Katsuhiro	2166.52
3	White	Win	Ono Takayuki	2397.92
4	Black	Draw	Ke Fang-Ying	2368.34
5	Black	Win	Takazawa Nagayoshi	2169.03
19 Renju Emperor Tournament 2nd round
Date	2018-12-09		Rating	2685.60
Round	Color	Result	Opponent
1	White	Win	Maruta Hiroki	2175.12
2	White	Win	Ishitani Shin-ichi	2416.82
3	Black	Loss	Nakamura Shigeru	2998.04
4	White	Win	Miyamoto Syunju	2266.78
5	White	Win	Iwano Fumio	2241.45
“SOPAI Cup” 1st World Renju Open
Date	2018-11-25		Rating	2683.79
Round	Color	Result	Opponent
1	White	Win	Tian Hanfa	1888.03
2	White	Loss	Wai Chan Keong	2753.42
3	Black	Loss	Sun Jinxue	2246.02
4	White	Win	Peng Lulu	2062.62
5	White	Loss	Hong Pengcheng	2393.64
6	Black	Loss	Cheng Yanzhen	2424.38
7	White	Win	Guo Haisen	2201.40
8	White	Loss	Lu Hai	2618.09
9	White	Win	Ling Shijie	2409.35
56 Meijinsen Tournament
Date	2018-09-17		Rating	2700.22
Round	Color	Result	Opponent
1	White	Win	Hasegawa Kazuto	2575.67
2	Black	Win	Kuga Akio	2423.61
3	Black	Loss	Koyama Jun	2570.80
4	White	Loss	Nakamura Shigeru	2998.28
5	Black	Win	Matsuura Hiroshi	2350.98
6	Black	Win	Kawamura Norihiko	2653.40
8	White	Win	Ishitani Shin-ichi	2427.24
9	Black	Win	Kamiya Shunsuke	2797.52
10th Tohoku Championship
Date	2018-09-09		Rating	2701.21
Round	Color	Result	Opponent
1	White	Win	Hirono Masakazu	2083.75
2	Black	Win	Miyamoto Syunju	2262.97
3	Black	Win	Demachi Koichiro	1923.08
5	Black	Win	Kusajima Masato	2298.41
35 Kanto Championship
Date	2018-07-16		Rating	2706.79
Round	Color	Result	Opponent
1	White	Win	Fujikawa Masaki	2100.82
2	White	Win	Inoue Fumiya	2393.88
3	White	Loss	Nakamura Shigeru	2992.44
4	White	Win	Fujita Maiko	2220.25
5	Black	Draw	Nakayama Tomoharu	2836.49
6	Black	Win	Ishitani Shin-ichi	2430.59
Team World Championship 2018
Date	2018-05-05		Rating	2710.79
Round	Color	Result	Opponent
2	White	Loss	Mesila Villem	2646.14
3	White	Win	Gardström Petter	2692.40
5	White	Win	Makarov Pavel	2600.45
6	Black	Loss	Cao Dong	2801.84
7	White	Loss	Kryuchok Roman	2600.84
8	Black	Win	Kozhin Mikhail	2685.81
10	White	Win	Mesila Villem	2646.14
13th All Japan Championship
Date	2018-01-28		Rating	2715.36
Round	Color	Result	Opponent
1	Black	Win	Fujita Yudai	2498.72
2	White	Loss	Nakayama Tomoharu	2851.33
3	Black	Win	Iio Yoshihiro	2535.86
4	White	Loss	Kamiya Shunsuke	2811.00
5	Black	Win	Ishitani Shin-ichi	2416.88
6	Black	Loss	Tachi Masaya	2555.45
21 Mikami Cup
Date	2018-01-21		Rating	2716.28
Round	Color	Result	Opponent
S1	Black	Win	Ono Takayuki	2381.99
S2	White	Win	Ishitani Shin-ichi	2415.14
S3	White	Win	Sato Kiyotomi	2433.13
18 Kanto Renju Emperor Tournament 2nd round
Date	2017-12-17		Rating	2719.16
Round	Color	Result	Opponent
1	Black	Win	Miyamoto Syunju	2271.83
2	White	Win	Kusajima Masato	2301.53
3	White	Win	Sato Kiyotomi	2435.73
4	White	Win	Koyama Jun	2585.81
5	Black	Loss	Nakamura Shigeru	2959.42
18 Kanto Renju Emperor Tournament 1st round
Date	2017-11-01		Rating	2720.72
Round	Color	Result	Opponent
1	Black	Win	Maruta Koji	2125.93
2	Black	Draw	Koyama Jun	2595.37
3	Black	Win	Kusajima Masato	2297.73
4	White	Win	Ishitani Shin-ichi	2393.83
55 Meijinsen Tournament
Date	2017-09-18		Rating	2721.87
Round	Color	Result	Opponent
1	White	Win	Sato Kiyotomi	2450.66
2	White	Win	Kawano Takahisa	2437.15
3	White	Win	Iio Yoshihiro	2548.24
4	Black	Loss	Kamiya Shunsuke	2810.48
5	Black	Win	Tamada Yoichi	2510.28
6	White	Win	Matsuura Hiroshi	2338.29
7	White	Loss	Nakayama Tomoharu	2844.24
8	White	Win	Hasegawa Kazuto	2597.58
9	Black	Win	Maruyama Yasushi	2282.29
World Championship 2017, BT
Date	2017-08-12		Rating	2720.25
Round	Color	Result	Opponent
1	White	Win	Liao Jun-Yen	2340.45
2	White	Loss	Huang Yen-Hua	2461.93
3	White	Win	Sun In	2433.78
4	Black	Loss	Liu Yang	2671.45
5	Black	Win	Metreveli Maksim	2314.79
6	Black	Win	Yang Yu-Hsiung	2434.16
7	White	Draw	Tang Kai Lam	2771.65
8	Black	Draw	Wai Chan Keong	2680.29
9	White	Win	Koyama Jun	2607.04
World Championship 2017, QT
Date	2017-08-05		Rating	2720.34
Round	Color	Result	Opponent
1	Black	Draw	Lu Wei-Yuan	2603.53
2	Black	Win	Kim Su Chan	2307.29
3	White	Draw	Lin Huang-Yu	2726.67
4	White	Draw	Lan Zhiren	2637.15
5	Black	Draw	Koyama Jun	2606.95
6	Black	Win	Oll Aivo	2795.88
7	Black	Loss	Sushkov Vladimir	2875.12
34 Kanto Championship
Date	2017-07-16		Rating	2720.67
Round	Color	Result	Opponent
1	White	Win	Fujikawa Masaki	2073.05
2	White	Win	Iwano Fumio	2265.83
3	White	Loss	Nakayama Tomoharu	2825.94
4	White	Win	Ono Takayuki	2378.22
5	White	Win	Ishitani Shin-ichi	2393.02
6	White	Win	Maruta Hiroki	2129.04
12th All Japan Championship
Date	2017-03-26		Rating	2722.20
Round	Color	Result	Opponent
1	Black	Win	Ono Takayuki	2367.09
2	White	Win	Sato Kiyotomi	2478.55
3	White	Draw	Nakayama Tomoharu	2794.28
4	Black	Loss	Nakamura Shigeru	2966.04
5	Black	Win	Fujita Yudai	2487.78
6	Black	Draw	Kamiya Shunsuke	2788.71
20 New Year (Mikami) Cup
Date	2017-01-22		Rating	2719.44
Round	Color	Result	Opponent
S1	Black	Win	Sato Kiyotomi	2491.63
S2	White	Win	Ishitani Shin-ichi	2394.00
S4	Black	Loss	Nakamura Shigeru	2964.36
S5	White	Win	Koyama Jun	2611.44
17 Kanto Renju Emperor Tournament 2nd round
Date	2016-12-10		Rating	2715.18
Round	Color	Result	Opponent
1	White	Draw	Sato Kiyotomi	2501.73
2	Black	Win	Maruta Koji	2162.15
3	Black	Win	Ishitani Shin-ichi	2399.03
4	White	Draw	Nakamura Shigeru	2959.44
5	White	Loss	Nakayama Tomoharu	2783.87
17 Kanto Renju Emperor Tournament 1st round
Date	2016-11-23		Rating	2713.86
Round	Color	Result	Opponent
1	Black	Win	Maruta Koji	2164.48
2	White	Win	Koyama Jun	2615.11
3	Black	Win	Ishitani Shin-ichi	2400.60
4	Black	Draw	Sato Kiyotomi	2502.85
48 Kyoto Classified Tournament
Date	2016-11-13		Rating	2712.78
Round	Color	Result	Opponent
SS2	Black	Loss	Hasegawa Kazuto	2639.22
SS3	White	Loss	Hata Masayuki	2201.28
SS4	White	Draw	Kawamura Norihiko	2627.76
SS5	White	Draw	Iio Yoshihiro	2554.72
54 Meijinsen Tournament
Date	2016-09-19		Rating	2718.37
Round	Color	Result	Opponent
1	White	Win	Maruyama Yasushi	2291.34
2	Black	Win	Matsuura Hiroshi	2360.88
3	Black	Win	Iio Yoshihiro	2561.25
4	Black	Loss	Kuga Akio	2367.69
5	White	Loss	Kamiya Shunsuke	2760.41
6	White	Win	Tanaka Toshiki	2443.96
7	White	Win	Hasegawa Kazuto	2639.38
8	White	Draw	Nakayama Tomoharu	2778.10
9	Black	Win	Koyama Jun	2619.06
33 Kanto Championship
Date	2016-07-31		Rating	2722.55
Round	Color	Result	Opponent
1	White	Win	Fujikawa Masaki	2105.34
2	White	Win	Maruta Koji	2178.66
3	White	Win	Koyama Jun	2623.40
4	Black	Draw	Nakayama Tomoharu	2777.00
5	Black	Win	Maruta Hiroki	2129.72
6	Black	Loss	Nakamura Shigeru	2955.43
54 Meijinsen Qualification East Japan area 2nd round
Date	2016-06-12		Rating	2724.84
Round	Color	Result	Opponent
1	Black	Win	Kamiya Shunsuke	2727.71
2	Black	Win	Mitsumori Masao	2354.12
3	Black	Win	Kusajima Masato	2267.20
4	White	Win	Tamada Yoichi	2569.12
5	Black	Draw	Koyama Jun	2629.95
19 Mikami Cup
Date	2016-03-13		Rating	2720.65
Round	Color	Result	Opponent
S1	White	Win	Kusajima Masato	2264.27
S2	White	Draw	Kamiya Shunsuke	2724.26
S3	White	Loss	Nakamura Shigeru	2941.37
S4	White	Win	Koyama Jun	2632.38
S5	Black	Win	Ono Takayuki	2328.66
11th All Japan Championship
Date	2016-01-11		Rating	2715.57
Round	Color	Result	Opponent
1	Black	Draw	Fujita Yudai	2447.30
2	White	Draw	Tamada Yoichi	2572.95
3	White	Loss	Koyama Jun	2637.77
4	Black	Win	Ishitani Shin-ichi	2396.97
5	Black	Win	Iio Yoshihiro	2539.65
6	Black	Draw	Nakayama Tomoharu	2778.77
16 Kanto Renju Emperor Tournament 2nd round
Date	2015-12-13		Rating	2715.24
Round	Color	Result	Opponent
1	Black	Draw	Nakayama Tomoharu	2776.95
2	White	Loss	Nakamura Shigeru	2924.42
3	White	Win	Koyama Jun	2641.99
4	White	Win	Ono Takayuki	2325.72
5	White	Loss	Sato Kiyotomi	2537.30
16 Kanto Renju Emperor Tournament 1st round
Date	2015-11-15		Rating	2716.12
Round	Color	Result	Opponent
1	White	Win	Kato Yasuhiro	2043.50
2	Black	Win	Ono Takayuki	2326.57
3	White	Loss	Koyama Jun	2642.58
4	White	Loss	Sato Kiyotomi	2534.38
47 Kyoto Classified Tournament
Date	2015-11-08		Rating	2717.30
Round	Color	Result	Opponent
S1	Black	Win	Tachi Masaya	2471.72
S2	Black	Win	Hasegawa Kazuto	2668.04
S3	Black	Win	Epifanov Dmitry	2716.61
S4	Black	Win	Kashihara Akihiko	2341.36
S5	White	Win	Sakamoto Suzan	2283.58
53 Meijinsen Tournament
Date	2015-09-22		Rating	2718.38
Round	Color	Result	Opponent
1	White	Win	Ishitani Shin-ichi	2392.82
2	Black	Loss	Hasegawa Kazuto	2673.03
3	White	Win	Matsuura Hiroshi	2398.87
4	White	Win	Tamada Yoichi	2583.28
5	White	Draw	Oosumi Yuuki	2773.71
6	Black	Loss	Kawamura Norihiko	2623.25
7	Black	Draw	Nakayama Tomoharu	2770.00
8	White	Loss	Iio Yoshihiro	2532.15
9	White	Draw	Koyama Jun	2636.00
World Championship 2015, AT
Date	2015-08-13		Rating	2725.18
Round	Color	Result	Opponent
1	Black	Win	Tang Kai Lam	2729.37
2	Black	Draw	Kamiya Shunsuke	2707.82
3	Black	Loss	Qi Guan	2804.40
4	White	Draw	Taimla Tunnet	2765.60
5	Black	Win	Salnikov Pavel	2642.76
6	Black	Win	Makarov Pavel	2597.13
7	White	Loss	Lan Zhiren	2646.10
8	Black	Win	Hõbemägi Martin	2652.98
9	Black	Draw	Fedorkin Oleg	2737.28
10	Black	Draw	Chen Ko-Han	2708.81
11	Black	Draw	Lin Huang-Yu	2794.99
Kanto Championship
Date	2015-07-20		Rating	2727.30
Round	Color	Result	Opponent
1	Black	Win	Nakamura Souta	2292.78
2	White	Win	Ishitani Shin-ichi	2399.24
3	White	Draw	Koyama Jun	2630.46
4	White	Draw	Nakayama Tomoharu	2763.96
5	Black	Loss	Nakamura Shigeru	2906.29
6	Black	Win	Iwano Fumio	2251.88
7th Tohoku Championship
Date	2015-04-12		Rating	2736.88
Round	Color	Result	Opponent
1	White	Win	Gakumazawa Hideaki	2190.29
2	White	Win	Kusajima Masato	2257.31
3	White	Win	Kobayashi Koichi	2294.04
4	White	Win	Ishitani Shin-ichi	2422.22
5	Black	Win	Hirono Masakazu	1991.16
10th All Japan Championship
Date	2015-03-29		Rating	2737.73
Round	Color	Result	Opponent
1	White	Win	Miyagawa Junzo	2243.51
2	Black	Win	Nagao Noriaki	2278.67
3	White	Win	Kamiya Shunsuke	2676.12
4	Black	Draw	Nakamura Shigeru	2904.91
5	Black	Draw	Nakayama Tomoharu	2745.20
6	Black	Draw	Tachi Masaya	2480.93
15th Kanto Renju Emperor Tournament Final
Date	2015-02-15		Rating	2738.15
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2902.50
2	Black	Loss	Nakamura Shigeru	2902.50
15 Kanto Renju Emperor Tournament 2nd round
Date	2015-01-25		Rating	2739.67
Round	Color	Result	Opponent
1	White	Win	Ono Takayuki	2346.56
2	White	Win	Ishitani Shin-ichi	2430.68
3	Black	Win	Kamiya Shunsuke	2661.38
4	White	Loss	Nakamura Souta	2268.00
5	Black	Win	Nakamura Shigeru	2899.99
18 Mikami Cup Tournament
Date	2015-01-18		Rating	2739.86
Round	Color	Result	Opponent
S1	Black	Win	Ono Takayuki	2348.11
S2	White	Draw	Isobe Taizan	2433.17
S3	Black	Loss	Nakamura Shigeru	2899.45
46 Kyoto Classified Tournament
Date	2014-11-09		Rating	2745.99
Round	Color	Result	Opponent
S1	White	Win	Miyagawa Junzo	2230.09
S2	Black	Win	Kawamura Norihiko	2653.03
S3	Black	Draw	Iio Yoshihiro	2515.08
S4	White	Win	Fukui Nobuhiro	2608.66
S5	Black	Loss	Oosumi Yuuki	2823.54
15 Kanto Renju Emperor Tournament 1st round
Date	2014-10-26		Rating	2747.14
Round	Color	Result	Opponent
1	White	Win	Tomobe Katsuhiro	2091.17
2	Black	Win	Kato Yasuhiro	2086.56
3	Black	Win	Fukui Nobuhiro	2610.17
4	Black	Draw	Kamiya Shunsuke	2641.60
52 Meijinsen Tournament
Date	2014-09-15		Rating	2749.55
Round	Color	Result	Opponent
1	Black	Win	Tamada Yoichi	2565.37
2	Black	Win	Fukui Nobuhiro	2617.43
3	Black	Win	Kashihara Akihiko	2344.68
4	Black	Win	Matsuura Hiroshi	2352.35
5	White	Loss	Oosumi Yuuki	2827.83
6	White	Draw	Iio Yoshihiro	2511.33
7	Black	Win	Sato Kiyotomi	2485.06
8	White	Draw	Hasegawa Kazuto	2655.73
9	White	Draw	Nakayama Tomoharu	2721.05
31th Kanto Championship
Date	2014-05-11		Rating	2755.95
Round	Color	Result	Opponent
1	White	Win	Kamiya Shunsuke	2605.19
2	White	Win	Kobayashi Koichi	2241.91
3	White	Draw	Tamura Kazumasa	2522.68
4	White	Loss	Nakamura Shigeru	2884.60
5	White	Win	Sato Kiyotomi	2470.84
6th Tohoku Championship
Date	2014-04-20		Rating	2757.26
Round	Color	Result	Opponent
1	Black	Win	Hirono Masakazu	1990.58
3	White	Win	Sato Kiyotomi	2468.50
4	White	Win	Gakumazawa Hideaki	2162.68
5	Black	Win	Miura Hitoshi	1802.27
6	Black	Win	Kusajima Masato	2235.03
7	White	Win	Kobayashi Koichi	2239.74
14 Kanto Renju Emperor Tournament final match
Date	2014-02-16		Rating	2759.08
Round	Color	Result	Opponent
1	White	Loss	Nakamura Shigeru	2890.97
2	Black	Loss	Nakamura Shigeru	2890.97
9th All Japan Championship
Date	2014-01-26		Rating	2761.17
Round	Color	Result	Opponent
1	White	Win	Ishitani Shin-ichi	2442.79
2	White	Win	Sato Kiyotomi	2463.92
3	White	Win	Fukui Nobuhiro	2610.51
4	White	Draw	Oosumi Yuuki	2832.53
5	White	Win	Iio Yoshihiro	2549.21
6	White	Win	Tamura Kazumasa	2530.51
14th Mikami Cup S-class
Date	2014-01-19		Rating	2760.99
Round	Color	Result	Opponent
1	Black	Win	Fukui Nobuhiro	2609.20
2	White	Draw	Ishitani Shin-ichi	2441.90
3	White	Win	Tamura Kazumasa	2531.36
4	White	Win	Nakayama Tomoharu	2672.66
5	Black	Loss	Nakamura Shigeru	2891.37
14 Kanto Renju Emperor Tournament 2nd round
Date	2013-12-15		Rating	2759.34
Round	Color	Result	Opponent
1	Black	Win	Fukui Nobuhiro	2604.09
2	Black	Win	Sato Kiyotomi	2465.24
3	White	Draw	Tamura Kazumasa	2530.21
4	Black	Loss	Nakamura Shigeru	2892.38
5	White	Draw	Kamiya Shunsuke	2576.95
45 Kyoto Classified Tournament
Date	2013-11-10		Rating	2759.24
Round	Color	Result	Opponent
S1	White	Win	Ishitani Shin-ichi	2426.23
S2	Black	Draw	Oosumi Yuuki	2840.69
S3	Black	Win	Hata Masayuki	2251.22
S4	Black	Win	Hasegawa Kazuto	2626.23
S5	Black	Win	Mano Yoshihisa	2315.20
51 Meijinsen Tournament
Date	2013-09-16		Rating	2754.92
Round	Color	Result	Opponent
1	Black	Win	Yamaguchi Yusui	2592.20
2	Black	Win	Kawano Takahisa	2371.66
3	White	Win	Kawate Kozo	2192.52
4	Black	Win	Hasegawa Kazuto	2622.62
5	White	Win	Mano Yoshihisa	2316.50
6	Black	Win	Kamiya Shunsuke	2559.76
7	Black	Loss	Oosumi Yuuki	2846.16
8	Black	Win	Sato Kiyotomi	2471.93
9	White	Win	Hata Masayuki	2258.09
ex	Black	Loss	Oosumi Yuuki	2846.16
World Championship 2013, AT
Date	2013-08-14		Rating	2750.38
Round	Color	Result	Opponent
1	Black	Draw	Chen Ko-Han	2682.76
2	White	Win	Lan Zhiren	2635.40
3	White	Win	Hõbemägi Martin	2585.68
4	White	Loss	Sushkov Vladimir	2823.12
5	White	Draw	Oosumi Yuuki	2847.85
6	White	Loss	Epifanov Dmitry	2686.67
7	Black	Win	Salnikov Pavel	2601.69
8	White	Draw	Oll Aivo	2735.23
9	White	Loss	Taimla Tunnet	2878.53
10	White	Draw	Cao Dong	2745.78
11	Black	Loss	Wang Qingqing	2648.55
World Championship 2013, QT
Date	2013-08-05		Rating	2750.16
Round	Color	Result	Opponent
1	White	Win	Hõbemägi Martin	2586.07
2	Black	Win	Miyagawa Junzo	2222.08
3	White	Draw	Sushkov Vladimir	2822.20
4	Black	Win	Pajuste Renee	2628.10
5	White	Draw	Oll Aivo	2735.33
6	Black	Draw	Fedorkin Oleg	2669.16
7	Black	Draw	Salnikov Pavel	2603.77
29th Kanto Championship
Date	2013-05-12		Rating	2744.12
Round	Color	Result	Opponent
1	Black	Win	Iwano Fumio	2182.53
2	Black	Win	Kamiya Shunsuke	2537.61
3	Black	Win	Ishitani Shin-ichi	2385.45
4	White	Win	Nakamura Shigeru	2866.03
5	Black	Win	Kudomi Takahiro	2412.26
5th Tohoku Championship
Date	2013-04-14		Rating	2738.45
Round	Color	Result	Opponent
1	White	Win	Gakumazawa Hideaki	2130.29
2	Black	Win	Kudomi Takahiro	2417.61
3	Black	Win	Kusajima Masato	2214.05
4	White	Win	Maruta Hiroki	2146.13
5	Black	Win	Fukui Nobuhiro	2572.92
8th All Japan Championship
Date	2013-03-24		Rating	2732.98
Round	Color	Result	Opponent
1	White	Win	Kobayashi Koichi	2212.81
2	Black	Draw	Kamiya Shunsuke	2529.00
3	Black	Win	Isobe Taizan	2404.55
4	Black	Win	Iio Yoshihiro	2485.68
5	Black	Loss	Nakamura Shigeru	2868.45
6	White	Loss	Oosumi Yuuki	2845.37
13 Kanto Renju Emperor Tournament final match
Date	2013-02-17		Rating	2726.00
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2873.90
2	Black	Draw	Nakamura Shigeru	2873.90
3	Black	Draw	Nakamura Shigeru	2873.90
16th Mikami Cup Tournament
Date	2013-01-20		Rating	2720.10
Round	Color	Result	Opponent
S1	Black	Win	Mitsumori Masao	2343.76
S2	White	Win	Ishitani Shin-ichi	2367.98
S3	White	Loss	Nakamura Shigeru	2878.24
S4	White	Win	Ono Takayuki	2416.69
S5	White	Loss	Fukui Nobuhiro	2567.00
13 Kanto Renju Emperor Tournament 2nd round
Date	2013-01-13		Rating	2719.11
Round	Color	Result	Opponent
1	Black	Loss	Kudomi Takahiro	2421.95
2	Black	Win	Fukui Nobuhiro	2566.10
3	Black	Win	Isobe Taizan	2408.29
4	White	Win	Ishitani Shin-ichi	2366.93
5	White	Loss	Nakamura Shigeru	2878.97
44 Kyoto Classified Tournament
Date	2012-11-11		Rating	2714.27
Round	Color	Result	Opponent
S1	Black	Win	Ishitani Shin-ichi	2363.27
S2	White	Draw	Hasegawa Kazuto	2594.16
S3	Black	Win	Miyagawa Junzo	2214.83
S4	Black	Win	Kudomi Takahiro	2421.04
S5	Black	Loss	Oosumi Yuuki	2827.44
13 Kanto Renju Emperor Tournament 1st round
Date	2012-10-21		Rating	2713.08
Round	Color	Result	Opponent
1	Black	Win	Tomobe Katsuhiro	2190.91
2	Black	Win	Maruta Hiroki	2120.67
3	Black	Draw	Fukui Nobuhiro	2552.41
4	Black	Win	Tada Ayako	2305.46
50th Meijinsen Tournament
Date	2012-09-17		Rating	2711.34
Round	Color	Result	Opponent
1	Black	Win	Nagasoe Hiroki	2550.71
2	Black	Loss	Nakamura Shigeru	2881.93
3	White	Win	Ono Takayuki	2430.66
4	Black	Win	Nakayama Tomoharu	2626.32
5	Black	Win	Matsuura Hiroshi	2329.05
6	White	Loss	Yamaguchi Yusui	2654.12
7	Black	Win	Iio Yoshihiro	2470.57
8	Black	Draw	Fukui Nobuhiro	2543.44
9	White	Win	Hasegawa Kazuto	2583.66
29th Kanto Championship
Date	2012-05-13		Rating	2699.56
Round	Color	Result	Opponent
1	Black	Win	Tada Ayako	2284.70
2	White	Loss	Nakamura Shigeru	2885.41
3	White	Win	Fukui Nobuhiro	2510.02
4	Black	Win	Matsuoka Teruo	2017.92
5	Black	Win	Kudomi Takahiro	2428.15
Team World Championship 2012
Date	2012-05-06		Rating	2698.70
Round	Color	Result	Opponent
1	White	Draw	He Qifa	2633.31
2	Black	Win	Piddubny Konstantin	2271.98
3	White	Draw	Chingin Konstantin	2821.53
4	Black	Loss	Yang Yu-Hsiung	2496.28
5	Black	Win	Lents Johann	2546.97
7	Black	Draw	Yin Licheng	2538.36
8	Black	Loss	He Qifa	2633.31
9	White	Draw	Chen Wei	2470.54
10	White	Win	Yin Licheng	2538.36
7th All Japan Championship
Date	2012-01-29		Rating	2698.88
Round	Color	Result	Opponent
1	White	Win	Miyoshi Takeo	2165.75
2	White	Loss	Isobe Taizan	2422.62
3	White	Draw	Kamiya Shunsuke	2460.37
4	White	Win	Fukui Nobuhiro	2488.03
5	White	Win	Tamada Yoichi	2487.81
6	White	Loss	Oosumi Yuuki	2791.11
12 Kanto Renju Emperor Tournament 2nd round
Date	2012-01-15		Rating	2700.46
Round	Color	Result	Opponent
1	White	Win	Kamiya Shunsuke	2457.37
2	Black	Win	Mitsumori Masao	2369.94
3	Black	Win	Nakayama Tomoharu	2601.41
4	Black	Loss	Nakamura Shigeru	2876.06
5	Black	Loss	Oosumi Yuuki	2789.66
43 Kyoto Classified Tournament
Date	2011-11-13		Rating	2707.22
Round	Color	Result	Opponent
S1	Black	Win	Hasegawa Kazuto	2556.06
S2	Black	Win	Doi Manabu	2110.43
S3	Black	Win	Miyagawa Junzo	2221.65
S4	Black	Win	Oosumi Yuuki	2775.90
S5	White	Win	Ishitani Shin-ichi	2393.51
12 Kanto Renju Emperor Tournament 1st round
Date	2011-10-23		Rating	2706.85
Round	Color	Result	Opponent
1	White	Win	Kato Yasuhiro	2072.78
2	Black	Win	Kudomi Takahiro	2421.38
3	Black	Loss	Nakayama Tomoharu	2589.16
4	Black	Win	Ishitani Shin-ichi	2393.80
49th Meijinsen Tournament
Date	2011-09-19		Rating	2707.52
Round	Color	Result	Opponent
1	White	Win	Kubo Izumi	2112.98
2	Black	Win	Miyoshi Takeo	2160.86
3	White	Win	Sakashita Shoichi	2146.55
4	White	Win	Matsuura Hiroshi	2381.40
5	Black	Loss	Yamaguchi Yusui	2654.31
6	Black	Win	Nakayama Tomoharu	2580.54
7	White	Win	Iio Yoshihiro	2494.46
8	White	Win	Hasegawa Kazuto	2558.51
9	White	Win	Kashihara Akihiko	2259.02
World Championship 2011, AT
Date	2011-08-10		Rating	2705.69
Round	Color	Result	Opponent
1	Black	Loss	Lin Huang-Yu	2784.16
2	Black	Draw	Artemyev Sergey	2603.55
3	Black	Win	Hou I-Cheng	2504.25
4	Black	Draw	Oosumi Yuuki	2753.08
5	White	Win	Oll Aivo	2702.27
6	Black	Draw	Cao Dong	2698.06
7	White	Loss	Taimla Tunnet	2801.53
8	White	Win	Andersson Tord	2440.39
9	Black	Loss	Huang Jin-xian	2614.96
10	White	Draw	Sushkov Vladimir	2776.53
11	Black	Loss	Dai Xiaohan	2699.61
World Championship 2011, QT
Date	2011-08-03		Rating	2706.13
Round	Color	Result	Opponent
1	White	Win	Ono Takayuki	2398.79
2	White	Win	Dai Xiaohan	2700.95
3	Black	Draw	Kise Katsumi	2553.87
4	Black	Draw	Kawamura Norihiko	2623.92
5	Black	Win	Hõbemägi Martin	2417.11
6	Black	Win	Nikonov Konstantin	2650.48
7	White	Draw	Soosõrv Ants	2753.58
6th All Japan Championship
Date	2011-03-27		Rating	2700.25
Round	Color	Result	Opponent
1	Black	Win	Tada Ayako	2209.06
2	White	Win	Mano Yoshihisa	2276.40
3	Black	Draw	Tamada Yoichi	2515.43
4	Black	Win	Iio Yoshihiro	2511.73
5	Black	Win	Kise Katsumi	2533.64
6	White	Loss	Oosumi Yuuki	2739.51
11 Kanto Renju Emperor Tournament final match
Date	2010-12-26		Rating	2696.32
Round	Color	Result	Opponent
1	White	Loss	Nakamura Shigeru	2859.92
2	Black	Loss	Nakamura Shigeru	2859.92
11 Kanto Renju Emperor Tournament 2nd round
Date	2010-11-21		Rating	2696.99
Round	Color	Result	Opponent
1	Black	Win	Fukui Nobuhiro	2351.12
2	Black	Win	Nakayama Tomoharu	2524.75
3	White	Win	Kudomi Takahiro	2413.30
4	Black	Win	Mitsumori Masao	2325.45
5	Black	Draw	Nakamura Shigeru	2859.88
42 Kyoto Classified Tournament
Date	2010-11-14		Rating	2696.45
Round	Color	Result	Opponent
S1	Black	Loss	Okumura Toyohiko	2333.67
S2	White	Win	Kubo Izumi	2104.83
S3	White	Win	Hata Masayuki	2178.97
S4	White	Win	Hasegawa Kazuto	2632.31
S5	White	Loss	Oosumi Yuuki	2721.14
11 Kanto Renju Emperor Tournament 1st round
Date	2010-10-31		Rating	2696.69
Round	Color	Result	Opponent
1	White	Win	Fujikawa Masaki	2085.12
2	Black	Win	Maruta Koji	2110.76
3	Black	Win	Mitsumori Masao	2324.94
4	Black	Draw	Oosumi Yuuki	2716.80
48th Meijinsen Tournament
Date	2010-09-20		Rating	2696.53
Round	Color	Result	Opponent
1	White	Win	Koiso Shigemasa	2173.93
2	Black	Win	Sakamoto Suzan	2351.59
3	Black	Loss	Oosumi Yuuki	2703.39
4	Black	Draw	Iio Yoshihiro	2530.47
5	White	Win	Tamada Yoichi	2498.46
6	White	Win	Kawano Takahisa	2321.63
7	Black	Win	Ishitani Shin-ichi	2391.50
8	White	Win	Matsuura Hiroshi	2392.01
9	Black	Loss	Yamaguchi Yusui	2591.81
27th Kanto Championship
Date	2010-05-23		Rating	2703.37
Round	Color	Result	Opponent
1	Black	Win	Ono Takayuki	2391.66
2	White	Win	Tamura Kazumasa	2512.13
3	White	Loss	Nakamura Shigeru	2858.21
4	Black	Win	Ishitani Shin-ichi	2398.81
5	Black	Win	Oosumi Yuuki	2666.56
Team World Championship 2010
Date	2010-05-05		Rating	2703.01
Round	Color	Result	Opponent
1	White	Loss	Nagao Noriaki	2375.72
3	Black	Win	Yin Licheng	2516.70
4	Black	Win	Chen Ko-Han	2566.54
5	Black	Draw	Epifanov Dmitry	2558.99
6	Black	Win	Eibatov Nizami	2315.82
7	White	Win	Purk Andry	2666.49
8	Black	Win	Chen Ko-Han	2566.54
9	Black	Loss	Yin Licheng	2516.70
10	White	Win	Purk Andry	2666.49
5th All Japan Championship
Date	2010-03-21		Rating	2701.77
Round	Color	Result	Opponent
1	Black	Win	Kobayashi Koichi	2132.20
2	Black	Win	Isobe Taizan	2394.26
3	White	Win	Nagao Noriaki	2373.19
4	White	Win	Tamura Kazumasa	2514.01
5	White	Win	Ishitani Shin-ichi	2398.26
6	Black	Win	Nakamura Shigeru	2853.54
10 Kanto Renju Emperor Tournament final match
Date	2010-02-21		Rating	2696.59
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2855.56
2	Black	Win	Nakamura Shigeru	2855.56
3	Black	Loss	Nakamura Shigeru	2855.56
13th Mikami Cup Tournament
Date	2010-01-31		Rating	2692.37
Round	Color	Result	Opponent
S1	Black	Win	Hara Masao	2006.48
S2	Black	Win	Isobe Taizan	2395.72
S3	White	Win	Ishitani Shin-ichi	2388.04
10 Kanto Renju Emperor Tournament 2nd round
Date	2009-12-20		Rating	2682.43
Round	Color	Result	Opponent
1	Black	Win	Tamura Kazumasa	2510.54
2	Black	Win	Ono Takayuki	2389.11
3	White	Loss	Nakamura Shigeru	2858.46
4	Black	Win	Nagao Noriaki	2352.24
5	Black	Draw	Tamada Yoichi	2420.67
40th Kyoto Classified - Special class
Date	2009-11-09		Rating	2672.86
Round	Color	Result	Opponent
1	White	Win	Sakamoto Suzan	2323.11
2	Black	Draw	Iio Yoshihiro	2521.04
3	Black	Win	Miyagawa Junzo	2200.06
4	Black	Loss	Oosumi Yuuki	2630.45
5	Black	Draw	Tamura Kazumasa	2509.63
41 Kyoto Classified Tournament
Date	2009-11-08		Rating	2672.71
Round	Color	Result	Opponent
S1	White	Win	Kudomi Takahiro	2365.51
S2	Black	Win	Mano Yoshihisa	2320.62
S3	Black	Loss	Miyoshi Takeo	2156.76
S4	Black	Loss	Iio Yoshihiro	2520.96
S5	White	Win	Sakamoto Suzan	2322.92
10 Kanto Renju Emperor Tournament 1st round
Date	2009-10-04		Rating	2672.64
Round	Color	Result	Opponent
1	Black	Win	Fujikawa Masaki	2050.42
2	Black	Win	Iwano Fumio	2148.95
3	Black	Win	Oosumi Yuuki	2626.25
4	White	Draw	Ono Takayuki	2401.46
47th Meijinsen tournament
Date	2009-09-22		Rating	2672.37
Round	Color	Result	Opponent
1	Black	Win	Kawamura Norihiko	2633.46
2	White	Win	Kataoka Mitsuaki	2258.34
3	Black	Win	Ishitani Shin-ichi	2369.38
4	Black	Loss	Tamura Kazumasa	2507.51
5	White	Win	Matsuura Hiroshi	2366.17
6	Black	Win	Sakamoto Suzan	2312.69
7	Black	Draw	Oosumi Yuuki	2626.37
8	Black	Win	Iio Yoshihiro	2515.90
9	Black	Win	Yamaguchi Yusui	2575.31
World Championship 2009, AT
Date	2009-08-13		Rating	2667.92
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2853.48
2	White	Win	Ono Takayuki	2406.28
3	Black	Loss	Cao Dong	2708.38
4	Black	Loss	Purk Andry	2677.27
5	White	Win	Chen Ko-Han	2553.73
6	White	Win	Kozhin Mikhail	2660.88
7	White	Loss	Karasyov Maxim	2607.36
8	White	Loss	Sushkov Vladimir	2807.19
9	Black	Loss	Wu Di	2653.51
10	Black	Loss	Taimla Tunnet	2833.05
11	Black	Win	Nykl Ondřej	2552.19
World Championship 2009, QT
Date	2009-08-05		Rating	2668.39
Round	Color	Result	Opponent
1	White	Loss	Savrasova Yulia	2659.76
2	Black	Win	Yao Jinrui	2340.51
3	Black	Win	Ono Takayuki	2407.72
4	White	Win	Yin Licheng	2499.93
5	Black	Draw	Nowakowski Maciej	2508.06
6	White	Win	Lin Huang-Yu	2604.15
7	Black	Draw	Cao Dong	2707.02
26th Kanto Championship
Date	2009-05-17		Rating	2670.18
Round	Color	Result	Opponent
1	Black	Win	Ono Takayuki	2409.45
2	Black	Win	Nagao Noriaki	2288.29
3	Black	Draw	Yamaguchi Yusui	2569.05
4	Black	Draw	Nakamura Shigeru	2857.07
5	Black	Draw	Tamura Kazumasa	2515.44
4th All Japan Championship
Date	2009-03-21		Rating	2670.33
Round	Color	Result	Opponent
1	White	Win	Nagao Noriaki	2272.49
2	White	Loss	Ishitani Shin-ichi	2390.75
3	Black	Win	Sakamoto Suzan	2294.06
4	White	Draw	Oosumi Yuuki	2612.01
5	Black	Draw	Mitsumori Masao	2348.49
6	White	Win	Ono Takayuki	2413.56
9 Kanto Renju Emperor Tournament final match
Date	2009-02-08		Rating	2674.54
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2858.92
2	White	Draw	Nakamura Shigeru	2858.92
3	Black	Win	Nakamura Shigeru	2858.92
4	White	Loss	Nakamura Shigeru	2858.92
12th Mikami Cup Tournament
Date	2009-01-18		Rating	2675.59
Round	Color	Result	Opponent
S1	White	Draw	Kawamura Norihiko	2656.34
S2	Black	Loss	Nagao Noriaki	2265.80
S3	Black	Win	Isobe Taizan	2399.53
S4	White	Win	Oosumi Yuuki	2591.49
S5	White	Loss	Nakamura Shigeru	2860.36
46 Meijinsen Match R3-R4
Date	2008-11-23		Rating	2682.43
Round	Color	Result	Opponent
3	Black	Loss	Hasegawa Kazuto	2739.10
9th Kanto Renju Emperor Tournament, 2nd round
Date	2008-11-16		Rating	2683.61
Round	Color	Result	Opponent
1	White	Win	Kudomi Takahiro	2355.75
2	Black	Win	Sato Kiyotomi	2451.20
3	White	Win	Nakayama Tomoharu	2289.01
4	White	Win	Kato Yasuhiro	2001.10
5	Black	Draw	Nakamura Shigeru	2859.78
9th Kanto Renju Emperor Tournament, 1st round
Date	2008-10-26		Rating	2685.56
Round	Color	Result	Opponent
1	Black	Win	Tanizaki Ryusuke	2127.92
2	Black	Draw	Ono Takayuki	2409.90
3	Black	Win	Nakayama Tomoharu	2285.89
4	White	Win	Tamada Yoichi	2268.83
46 Meijinsen Match R1-R2
Date	2008-10-19		Rating	2686.30
Round	Color	Result	Opponent
1	White	Draw	Hasegawa Kazuto	2743.62
2	Black	Loss	Hasegawa Kazuto	2743.62
46th Meijinsen Tournament
Date	2008-09-15		Rating	2691.15
Round	Color	Result	Opponent
1	White	Draw	Kawamura Norihiko	2662.53
2	Black	Win	Matsuura Hiroshi	2327.64
3	White	Win	Iio Yoshihiro	2507.95
4	Black	Win	Ishitani Shin-ichi	2396.19
5	Black	Win	Oosumi Yuuki	2560.65
6	Black	Win	Kataoka Mitsuaki	2250.85
7	White	Win	Yamaguchi Yusui	2582.17
8	Black	Win	Hata Masayuki	2260.21
9	White	Win	Sato Kiyotomi	2443.36
Youth World Championship 2008
Date	2008-08-10		Rating	2690.32
Round	Color	Result	Opponent
A1	White	Win	Zajk Michał	2373.52
A2	White	Win	Tamioła Artur	2403.72
A3	White	Draw	Oll Aivo	2753.64
A4	White	Win	Lents Johann	2483.03
A5	White	Loss	Demján Attila	2747.38
A6	White	Draw	Purk Andry	2635.68
A7	Black	Draw	Ilu Timo	2573.30
A8	White	Win	Tamada Yoichi	2248.60
A9	White	Win	Myasoyedov Yevgeni	2366.17
A10	White	Win	Laube Pavel	2467.69
A11	Black	Win	Andrzejewski Wawrzyniec	2285.58
RIF 20 years anniversary celebration tournament
Date	2008-08-07		Rating	2690.09
Round	Color	Result	Opponent
1	White	Draw	Karlsson Stefan	2597.64
2	White	Win	Sobolev Pavel	2176.43
3	White	Win	Jonsson Peter	2330.84
4	Black	Win	Poghosyan Albert	2382.14
5	Black	Win	Nykl Ondřej	2466.83
6	Black	Win	Ono Takayuki	2406.99
25th Kanto Championship
Date	2008-05-18		Rating	2678.91
Round	Color	Result	Opponent
1	White	Win	Maruta Hiroki	2038.05
2	Black	Win	Tamada Yoichi	2224.16
3	Black	Loss	Nakamura Shigeru	2859.13
4	Black	Win	Isobe Taizan	2425.32
5	White	Win	Arita Nobuyoshi	2393.86
3rd All Japan Championship
Date	2008-03-23		Rating	2670.05
Round	Color	Result	Opponent
1	Black	Win	Tamada Yoichi	2207.41
2	Black	Draw	Kudomi Takahiro	2334.92
3	Black	Win	Sato Kiyotomi	2416.00
4	Black	Loss	Nakamura Shigeru	2856.31
5	White	Win	Ono Takayuki	2395.86
6	Black	Draw	Isobe Taizan	2436.33
8 Kanto Renju Emperor Tournament final match
Date	2008-02-24		Rating	2667.16
Round	Color	Result	Opponent
1	White	Draw	Nakamura Shigeru	2855.60
2	Black	Win	Nakamura Shigeru	2855.60
3	Black	Loss	Nakamura Shigeru	2855.60
4	White	Loss	Nakamura Shigeru	2855.60
8th Kanto Renju Emperor Tournament 2nd round
Date	2007-12-16		Rating	2656.14
Round	Color	Result	Opponent
1	Black	Loss	Ishitani Shin-ichi	2401.19
2	White	Loss	Nakamura Shigeru	2857.63
3	White	Win	Kurata Kiyotaka	2275.35
4	Black	Win	Isobe Taizan	2435.60
5	White	Win	Ono Takayuki	2386.50
39th Kyoto Classified - Special Class
Date	2007-11-11		Rating	2652.80
Round	Color	Result	Opponent
1	Black	Win	Sakamoto Suzan	2277.93
2	White	Win	Okumura Toyohiko	2324.10
3	Black	Draw	Hasegawa Kazuto	2767.81
4	White	Win	Oosumi Yuuki	2558.90
5	Black	Win	Iio Yoshihiro	2534.46
The 45th Meijin-sen Tournament
Date	2007-09-17		Rating	2640.83
Round	Color	Result	Opponent
1	Black	Win	Miyoshi Takeo	2303.04
2	White	Win	Kawamura Norihiko	2631.77
3	White	Win	Iio Yoshihiro	2537.54
4	White	Win	Hiwatashi Kikuma	1887.23
5	Black	Win	Sato Kiyotomi	2399.11
6	Black	Loss	Yamaguchi Yusui	2652.71
7	White	Loss	Oosumi Yuuki	2556.35
8	White	Win	Isobe Taizan	2436.13
9	White	Win	Matsuura Hiroshi	2301.71
World Championship 2007, AT
Date	2007-08-15		Rating	2632.05
Round	Color	Result	Opponent
1	White	Draw	Savrasova Yulia	2695.87
2	White	Win	Iio Yoshihiro	2539.14
3	Black	Win	Oll Aivo	2655.08
4	White	Draw	Karlsson Stefan	2612.36
5	White	Loss	Yamaguchi Yusui	2655.93
6	White	Loss	Wu Di	2704.23
7	Black	Loss	Taimla Tunnet	2761.04
8	White	Loss	Chingin Konstantin	2798.31
9	Black	Loss	Sushkov Vladimir	2758.08
10	Black	Draw	Kozhin Mikhail	2594.39
11	White	Loss	Purk Andry	2634.29
World Championship 2007, QT
Date	2007-08-08		Rating	2631.25
Round	Color	Result	Opponent
1	White	Win	Eriksson Marcus	2303.25
2	White	Win	Ikonen Jussi	2263.67
3	Black	Draw	Iio Yoshihiro	2539.80
4	Black	Win	Oosumi Yuuki	2548.41
5	Black	Win	Lin Huang-Yu	2522.97
6	Black	Draw	Poghosyan Albert	2390.57
7	White	Loss	Wu Di	2702.27
24th Kanto Championship Tournament
Date	2007-05-06		Rating	2619.10
Round	Color	Result	Opponent
1	Black	Win	Iwano Fumio	2158.23
2	White	Win	Kubo Izumi	2100.51
3	Black	Win	Sato Kiyotomi	2420.95
4	White	Win	Isobe Taizan	2431.22
5	Black	Win	Kudomi Takahiro	2335.21
The 5th Shanghai Renju Meijin Invitation Tournament
Date	2007-05-03		Rating	2618.45
Round	Color	Result	Opponent
1	Black	Loss	Yamaguchi Yusui	2646.06
2	Black	Win	Ge Chongyu	2391.83
3	Black	Loss	Cao Dong	2627.33
SF1	Black	Win	Mitsumori Masao	2270.49
SF2	Black	Draw	Isobe Taizan	2431.22
SF3	Black	Loss	Zhu Jianfeng	2516.78
SF4	White	Draw	Zhang Yifeng	2381.99
7th Kanto Renju Emperor Tournament - Final
Date	2007-02-25		Rating	2617.44
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2850.36
2	Black	Draw	Nakamura Shigeru	2850.36
3	Black	Draw	Nakamura Shigeru	2850.36
The 7th Kanto Renju Emperor Tournament, 2nd round
Date	2006-12-10		Rating	2613.03
Round	Color	Result	Opponent
	White	Win	Hara Masao	2085.16
	White	Win	Kudomi Takahiro	2297.40
	White	Win	Nagao Noriaki	2244.02
	White	Win	Sato Kiyotomi	2433.71
	Black	Loss	Nakamura Shigeru	2851.69
38th Kyoto Classified - Special class
Date	2006-11-12		Rating	2610.33
Round	Color	Result	Opponent
1	White	Win	Miyagawa Junzo	2274.58
2	Black	Win	Miyoshi Takeo	2283.03
3	White	Win	Miyagawa Sou	2175.90
4	Black	Win	Takashima Junya	2509.15
5	White	Draw	Oosumi Yuuki	2474.47
The 44th Meijin-sen Tournament
Date	2006-09-18		Rating	2601.94
Round	Color	Result	Opponent
1	Black	Loss	Yamaguchi Yusui	2638.19
2	Black	Win	Iio Yoshihiro	2512.79
3	Black	Win	Nagao Noriaki	2242.99
4	White	Draw	Fujii Naoki	2137.15
5	Black	Loss	Kawamura Norihiko	2665.90
6	White	Win	Sato Kiyotomi	2442.21
7	White	Win	Ishitani Shin-ichi	2363.13
8	Black	Draw	Oosumi Yuuki	2454.90
9	White	Win	Matsuura Hiroshi	2300.43
Asian Championship 2006
Date	2006-08-15		Rating	2598.14
Round	Color	Result	Opponent
1	White	Win	Yoon Seong-Won	1831.63
2	White	Win	Kim Kyu-Cheol	2001.75
3	White	Loss	Kim Chang-Hoon	2543.56
4	White	Win	Choi Yun Suk	2268.86
5	Black	Win	Kim Gyu-Hyeon	2492.64
6	White	Win	Kim Byoung-Jun	2504.85
7	White	Draw	Yamaguchi Yusui	2635.95
8	Black	Win	Iio Yoshihiro	2511.99
Youth World Championship 2006
Date	2006-08-08		Rating	2596.78
Round	Color	Result	Opponent
a1	White	Draw	Takashima Junya	2504.61
a2	Black	Loss	Duan Ran	2351.38
a3	Black	Win	Hallkvist Joel	2060.02
a4	White	Win	Maruta Hiroki	1997.10
a5	White	Draw	Zhang Cheng	2454.01
a6	Black	Loss	Lents Johann	2513.08
a7	White	Win	Blomstedt Torbjorn	2125.85
a8	Black	Draw	Qiu Yunfei	2525.38
23rd Kanto Championship
Date	2006-05-21		Rating	2596.39
Round	Color	Result	Opponent
1	Black	Win	Ono Takayuki	2299.61
2	White	Win	Tadokoro Hosai	1934.79
3	Black	Draw	Mitsumori Masao	2258.70
4	White	Win	Arita Nobuyoshi	2369.43
5	White	Draw	Yamaguchi Yusui	2637.76
Team World Championship 2006
Date	2006-05-05		Rating	2596.18
Round	Color	Result	Opponent
1	Black	Draw	Saarenpää Samuli	2463.71
2	Black	Win	Karlsson Stefan	2555.67
3	Black	Loss	Meritee Ando	2866.45
4	Black	Win	Salnikov Pavel	2538.09
5	Black	Win	Chen Wei	2543.30
6	Black	Loss	Sushkov Vladimir	2724.04
7	Black	Loss	Ilu Timo	2572.73
F1	Black	Win	Karlsson Stefan	2555.67
F2	Black	Loss	Karlsson Stefan	2555.67
6th Kanto Renju Emperor Tournament - Final match
Date	2005-12-04		Rating	2594.99
Round	Color	Result	Opponent
1	White	Win	Yamaguchi Yusui	2603.57
2	Black	Loss	Yamaguchi Yusui	2603.57
3	White	Draw	Yamaguchi Yusui	2603.57
4	Black	Win	Yamaguchi Yusui	2603.57
37th Kyoto Classified - Special class
Date	2005-11-13		Rating	2593.54
Round	Color	Result	Opponent
1	Black	Draw	Ishitani Shin-ichi	2393.35
2	White	Win	Yamaguchi Yusui	2598.63
3	White	Win	Takashima Junya	2518.40
4	White	Draw	Iio Yoshihiro	2480.41
5	Black	Draw	Miyoshi Takeo	2279.77
6th Kanto Renju Emperor Tournament - Semifinal
Date	2005-10-23		Rating	2591.80
Round	Color	Result	Opponent
	White	Draw	Yamaguchi Yusui	2595.82
	Black	Loss	Isobe Taizan	2457.91
	Black	Win	Kamemoto Daichi	2180.87
	Black	Win	Sato Kiyotomi	2394.81
	Black	Win	Koyama Jun	2299.96
The 43rd Meijin-sen Tournament
Date	2005-09-19		Rating	2589.71
Round	Color	Result	Opponent
1	Black	Win	Oosumi Yuuki	2392.38
2	Black	Loss	Takashima Junya	2510.69
3	Black	Draw	Ishitani Shin-ichi	2398.89
4	White	Win	Matsuura Hiroshi	2349.74
5	White	Loss	Hasegawa Kazuto	2703.13
6	Black	Win	Tanaka Koichi	2333.68
7	White	Win	Sato Kiyotomi	2392.67
8	White	Win	Kawate Kozo	2173.29
9	Black	Win	Yamaguchi Yusui	2589.78
World Championship 2005, AT
Date	2005-08-07		Rating	2585.86
Round	Color	Result	Opponent
1	Black	Loss	Purk Andry	2568.78
2	Black	Loss	Chingin Konstantin	2736.83
3	Black	Draw	Artemyev Sergey	2653.13
4	Black	Draw	Taimla Tunnet	2753.09
5	Black	Draw	Karlsson Stefan	2544.41
6	White	Win	Savrasova Yulia	2659.87
7	Black	Draw	Hermansson Hannes	2422.39
8	Black	Loss	Meritee Ando	2851.90
9	Black	Draw	Sushkov Vladimir	2697.71
10	Black	Draw	Tarannikov Yuriy	2613.55
11	Black	Win	Andersson Tord	2384.89
43rd Meijinsen Qualification: East Japan Final
Date	2005-07-11		Rating	2583.20
Round	Color	Result	Opponent
	White	Loss	Sato Kiyotomi	2394.93
	Black	Draw	Itami Yoshiyuki	2189.65
	Black	Win	Mitsumori Masao	2275.94
43rd Meijinsen Qualification: East Japan 1st round
Date	2005-06-12		Rating	2583.58
Round	Color	Result	Opponent
1	Black	Win	Tanno Yoshitaka	2093.95
2	White	Win	Ono Takayuki	2292.55
3	Black	Win	Itami Yoshiyuki	2189.53
4	Black	Loss	Mitsumori Masao	2273.56
22nd Kanto Championship
Date	2005-05-22		Rating	2585.14
Round	Color	Result	Opponent
1	White	Win	Matsuoka Teruo	1859.32
2	Black	Win	Kamemoto Daichi	2132.30
3	Black	Win	Yamaguchi Yusui	2562.46
4	White	Win	Kawamura Norihiko	2692.64
5	Black	Draw	Isobe Taizan	2466.20
Japan WC Qualification tournament
Date	2005-04-03		Rating	2583.13
Round	Color	Result	Opponent
1	White	Win	Arita Nobuyoshi	2302.26
2	Black	Win	Miyagawa Junzo	2253.81
3	Black	Loss	Isobe Taizan	2463.42
4	Black	Draw	Ono Takayuki	2295.91
5	White	Win	Oosumi Yuuki	2370.23
6	White	Win	Matsuura Hiroshi	2389.58
5th Kanto Renju Emperor Tournament - Final
Date	2005-01-30		Rating	2582.19
Round	Color	Result	Opponent
1	White	Win	Yamaguchi Yusui	2561.42
2	Black	Win	Yamaguchi Yusui	2561.42
5th Kanto Renju Emperor Tournament - 2nd round
Date	2004-12-19		Rating	2577.18
Round	Color	Result	Opponent
	White	Win	Mitsumori Masao	2247.14
	White	Win	Kudomi Takahiro	2329.19
	White	Win	Ono Takayuki	2294.15
	White	Win	Sato Kiyotomi	2368.83
	Black	Loss	Yamaguchi Yusui	2568.64
5th Kanto Renju Emperor Tournament - 1st round
Date	2004-11-28		Rating	2574.19
Round	Color	Result	Opponent
1	Black	Win	Maruta Hiroki	1958.37
2	White	Win	Nagao Noriaki	2246.45
3	Black	Win	Arita Nobuyoshi	2280.54
4	White	Draw	Sato Kiyotomi	2368.81
The 42nd Meijin-sen Tournament
Date	2004-09-20		Rating	2563.99
Round	Color	Result	Opponent
1	Black	Loss	Iio Yoshihiro	2456.96
2	Black	Win	Sakamoto Suzan	2292.87
3	Black	Draw	Takagawa Teiji	2336.95
4	White	Draw	Kawamura Norihiko	2721.52
5	White	Draw	Matsuura Hiroshi	2405.56
6	White	Draw	Ishitani Shin-ichi	2378.30
7	White	Loss	Saito Koji	2192.45
8	Black	Win	Sakashita Shoichi	2206.00
9	White	Loss	Hasegawa Kazuto	2656.92
Youth World Championship 2004
Date	2004-08-06		Rating	2568.13
Round	Color	Result	Opponent
4	White	Win	Lysakov Mikhail	2435.53
9	Black	Win	Mossinyan David	2245.29
A1	White	Win	Miyagawa Sou	2118.20
A2	White	Win	Vershinin Pavel	2594.89
A3	White	Win	Tamura Kazumasa	2334.96
A5	White	Win	Oll Aivo	2467.01
A6	White	Win	Ilu Timo	2531.76
A7	White	Win	Lents Johann	2553.06
A8	White	Win	Purk Andry	2438.94
A10	White	Win	Antanyan Samvel	2218.25
A11	White	Loss	Nagao Noriaki	2254.34
42nd Meijinsen Qualification: East Japan 2nd round
Date	2004-07-11		Rating	2564.35
Round	Color	Result	Opponent
	White	Loss	Kawamura Norihiko	2722.47
	Black	Loss	Sato Kiyotomi	2357.39
	White	Win	Kudomi Takahiro	2328.46
4th Kanto Renju Emperor Tournament - Final
Date	2004-02-29		Rating	2557.61
Round	Color	Result	Opponent
1	Black	Draw	Yamaguchi Yusui	2594.62
2	Black	Win	Yamaguchi Yusui	2594.62
3	Black	Loss	Yamaguchi Yusui	2594.62
4	Black	Loss	Yamaguchi Yusui	2594.62
7th Mikami Cup - Special Class
Date	2004-01-25		Rating	2556.95
Round	Color	Result	Opponent
1	Black	Draw	Mitsumori Masao	2261.77
2	Black	Loss	Yamaguchi Yusui	2595.50
4	White	Win	Kudomi Takahiro	2323.17
4th Kanto Renju Emperor Tournament - 2nd round
Date	2003-11-30		Rating	2559.53
Round	Color	Result	Opponent
	White	Win	Nagao Noriaki	2282.39
	White	Win	Mitsumori Masao	2267.59
	White	Win	Maruta Koji	2230.08
	White	Win	Isobe Taizan	2424.45
	White	Draw	Yamaguchi Yusui	2595.30
4th Kanto Renju Emperor Tournament - 1st round
Date	2003-11-16		Rating	2558.90
Round	Color	Result	Opponent
1	Black	Win	Sasaki Miyu	1939.95
2	White	Win	Sato Takuma	2145.58
3	Black	Win	Ono Takayuki	2214.58
4	White	Win	Isobe Taizan	2423.28
41st Meijin-sen Tournament
Date	2003-09-15		Rating	2552.32
Round	Color	Result	Opponent
1	Black	Win	Miyagawa Junzo	2262.37
2	White	Draw	Hasegawa Kazuto	2627.33
3	White	Win	Ishitani Shin-ichi	2384.67
4	Black	Draw	Takashima Junya	2342.85
5	Black	Draw	Kudomi Takahiro	2341.75
6	Black	Win	Isobe Taizan	2418.17
7	White	Loss	Matsuura Hiroshi	2409.97
8	Black	Win	Kuga Akio	2384.66
9	Black	Loss	Iio Yoshihiro	2498.45
World Championship 2003, AT
Date	2003-08-08		Rating	2551.15
Round	Color	Result	Opponent
1	White	Loss	Sushkov Vladimir	2691.03
2	Black	Win	Yamaguchi Yusui	2580.58
3	Black	Draw	Iio Yoshihiro	2496.35
4	White	Loss	Taimla Tunnet	2710.51
5	Black	Loss	Chingin Konstantin	2716.95
6	Black	Loss	Meritee Ando	2803.15
7	Black	Win	Sinyov Igor	2557.44
8	White	Win	Karlsson Stefan	2559.29
9	Black	Win	Gaulitz Joachim	2408.63
10	White	Win	Andersson Tord	2381.71
11	Black	Win	Carlsson Martin	2430.04
41th Meijinsen Qualification: East Japan 2nd round
Date	2003-07-13		Rating	2546.50
Round	Color	Result	Opponent
	White	Draw	Isobe Taizan	2430.43
	Black	Draw	Sato Kiyotomi	2300.94
	Black	Win	Suzuki Naoya	2318.51
41th Meijinsen Qualification: East Japan 1st round
Date	2003-06-08		Rating	2541.22
Round	Color	Result	Opponent
1	Black	Win	Ono Takayuki	2191.19
2	White	Win	Nagao Noriaki	2308.58
3	Black	Draw	Suzuki Naoya	2318.83
4	White	Win	Sano Hiroyuki	2210.70
Japan WC Qualification 2003
Date	2003-03-22		Rating	2527.97
Round	Color	Result	Opponent
1	Black	Win	Nagao Noriaki	2307.95
2	Black	Win	Unoura Hidenori	2174.40
3	Black	Win	Isobe Taizan	2441.71
4	White	Win	Ishitani Shin-ichi	2392.25
5	Black	Win	Miyoshi Takeo	2243.79
34th Kyoto Classified - special class
Date	2002-11-10		Rating	2488.06
Round	Color	Result	Opponent
1	White	Loss	Iio Yoshihiro	2442.87
2	White	Win	Miyagawa Junzo	2250.64
3	Black	Win	Adachi Yasuhiro	2003.32
4	White	Win	Doi Manabu	2106.60
5	White	Loss	Kudomi Takahiro	2392.19
40th Meijin-sen Tournament
Date	2002-09-16		Rating	2476.56
Round	Color	Result	Opponent
1	White	Win	Kudomi Takahiro	2394.70
2	Black	Loss	Isobe Taizan	2448.08
3	White	Loss	Iio Yoshihiro	2434.24
4	Black	Win	Ishitani Shin-ichi	2393.68
5	Black	Loss	Yamaguchi Yusui	2591.92
6	White	Win	Nishimura Toshio	2355.34
7	White	Loss	Takagawa Teiji	2361.15
8	White	Win	Matsuura Hiroshi	2315.02
9	White	Loss	Hasegawa Kazuto	2593.21
Youth World Championship 2002
Date	2002-08-02		Rating	2472.43
Round	Color	Result	Opponent
A1	White	Win	Nagao Noriaki	2305.18
A2	White	Win	Novikov Nikolay	2185.43
A3	White	Loss	Chingin Konstantin	2658.41
A4	White	Win	Nekrasov Denis	2369.68
A5	White	Win	Lents Johann	2431.43
A6	White	Win	Vershinin Pavel	2460.36
A7	White	Win	Karasyov Maxim	2483.68
A8	White	Draw	Kazarin Mikhail	2425.95
A9	Black	Loss	Mossinyan David	2253.17
A10	White	Draw	Tamura Kazumasa	2261.13
A11	Black	Win	Provorov Yury	2202.21
40th Meijinsen Qualification: East Japan 2nd round
Date	2002-07-14		Rating	2468.51
Round	Color	Result	Opponent
	White	Win	Sunagawa Shouki	2172.76
	White	Win	Nara Hideki	2551.87
	White	Draw	Isobe Taizan	2451.50
40th Meijinsen Qualification: East Japan 1st round
Date	2002-06-02		Rating	2456.34
Round	Color	Result	Opponent
1	Black	Draw	Kato Yasuhiro	2099.08
2	Black	Win	Ohno Syunzo	1995.89
3	Black	Win	Arita Nobuyoshi	2156.93
4	White	Win	Sunagawa Shouki	2180.73
World Championship 2001, BT
Date	2001-08-12		Rating	2371.13
Round	Color	Result	Opponent
1	White	Win	Dzainukov Eldar	2017.34
2	White	Win	Gaujens Artis	2058.29
3	Black	Draw	Nosovsky Alexander	2171.82
4	White	Win	Khramov Andrey	2205.21
5	Black	Loss	Carlsson Martin	2309.21
6	Black	Loss	Henningsson Anders	2457.92
7	Black	Draw	Miyoshi Takeo	2203.55
8	White	Win	Sakamoto Suzan	2215.22
World Championship 2001, QT
Date	2001-08-06		Rating	2369.81
Round	Color	Result	Opponent
1	White	Draw	Park Jeong Ho	2305.86
2	Black	Win	Eibatov Nizami	2362.15
3	Black	Draw	Kusajima Masato	2394.10
4	Black	Win	Kim Byoung-Jun	2455.37
5	Black	Draw	Gardström Petter	2516.26
6	Black	Loss	Nara Hideki	2543.05
7	White	Loss	Lin Sheng-Min	2207.35
Japan WC Qualification tournament
Date	2001-03-24		Rating	2336.07
Round	Color	Result	Opponent
1	White	Draw	Mitsumori Masao	2299.58
2	White	Loss	Hasegawa Kazuto	2564.79
3	White	Win	Iwata Akihisa	2198.77
4	White	Loss	Isobe Taizan	2443.65
5	White	Draw	Koiso Shigemasa	2172.36
6	White	Win	Sakamoto Suzan	2178.66
7	Black	Win	Miyagawa Sou	1970.01
Youth World Championship 2000
Date	2000-08-04		Rating	2281.31
Round	Color	Result	Opponent
A1	White	Loss	Grishnin Stepan	2122.91
A3	White	Loss	Diner Stanislav	2245.55
A4	Black	Draw	Widman Christofher	1811.17
A5	White	Win	Unoura Kazuhisa	1930.62
A6	Black	Win	Fjellstrom Kristoffer	1799.62
A7	Black	Loss	Hermansson Hannes	2344.21
A9	White	Draw	Karasyov Maxim	2334.52
38th Meijinsen Qualification: East Japan 1st round
Date	2000-06-04		Rating	2279.52
Round	Color	Result	Opponent
4	White	Win	Hara Masao	2121.52
Kanto Championship
Date	2000-05-14		Rating	2278.24
Round	Color	Result	Opponent
1	White	Win	Nara Hideki	2567.40
2	Black	Loss	Mitsumori Masao	2297.22
3	Black	Draw	Omata Mitsuo	1872.42
4	Black	Win	Hara Masao	2121.83