Okabe Hiroshi, Japan - Renju Rating

JPN Okabe Hiroshi (岡部寛)

Place: Tokyo, Japan

Birth: 1985-12-14

Rating: 2724.97, Std: 70.24, Rank: 17

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

Top rating: 2761.01 (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 2724.97
Round Color Result Opponent
1 Black Win JPN Maruta Hiroki 2292.99
2 Black Win JPN Ono Takayuki 2435.02
3 Black Win JPN Tachi Masaya 2525.13
4 White Draw JPN Matsuda Shoma 2565.02
5 White Win JPN Ishitani Shin-ichi 2380.64
6 White Draw JPN Yoshikawa Tomoki 2293.84
19th All Japan Championship
Date 2025-04-20 Rating 2725.04
Round Color Result Opponent
1 White Win JPN Tanaka Shotaro 2318.35
2 White Win JPN Fujita Maiko 2442.83
3 Black Draw JPN Matsuda Shoma 2563.21
4 White Draw JPN Kamiya Shunsuke 2837.09
5 Black Draw JPN Nakayama Tomoharu 2758.09
6 Black Win JPN Tachi Masaya 2526.93
16th Tohoku Championship
Date 2025-03-09 Rating 2722.99
Round Color Result Opponent
1 White Win JPN Kusajima Masato 2232.41
2 Black Win JPN Miyamoto Syunju 2301.71
3 Black Win JPN Fujita Maiko 2439.66
4 Black Win JPN Shimura Hiroki 2202.40
5 Black Draw JPN Kawaai Hitoshi 2062.14
28th New Year (Mikami) Cup
Date 2025-01-19 Rating 2721.30
Round Color Result Opponent
S1 Black Loss JPN Fujita Maiko 2436.65
S2 White Loss JPN Inoue Fumiya 2507.42
S4 Black Win JPN Ishitani Shin-ichi 2387.35
S5 Black Win JPN Kawamura Norihiko 2402.54
25 Kanto Renju Emperor Tournament Finalround
Date 2024-12-08 Rating 2726.14
Round Color Result Opponent
1 Black Win JPN Miyamoto Syunju 2304.01
2 White Win JPN Ono Takayuki 2423.50
3 Black Draw CHN Wang Qingqing 2664.37
4 White Loss JPN Inoue Fumiya 2502.59
5 Black Win JPN Kamiya Shunsuke 2839.53
6 Black Win JPN Matsuda Shoma 2519.54
7 White Draw JPN Fujita Maiko 2433.98
62nd Meijinsen match R3-4
Date 2024-11-24 Rating 2727.89
Round Color Result Opponent
3 Black Draw JPN Kamiya Shunsuke 2840.00
4 Black Draw JPN Kamiya Shunsuke 2840.00
62nd Meijinsen match R1-2
Date 2024-11-04 Rating 2729.71
Round Color Result Opponent
1 Black Loss JPN Kamiya Shunsuke 2841.11
2 White Draw JPN Kamiya Shunsuke 2841.11
62nd Meijinsen Tournament
Date 2024-10-14 Rating 2732.06
Round Color Result Opponent
1 White Win JPN Kawano Takahisa 2509.51
2 Black Win JPN Inoue Fumiya 2499.23
3 White Win JPN Matsuda Shoma 2499.22
4 Black Win JPN Yamane Tomohiro 2046.28
5 White Draw JPN Makino Mitsunori 2635.43
6 Black Win JPN Tachi Masaya 2574.36
7 White Win JPN Ishitani Shin-ichi 2398.22
8 Black Draw JPN Nakayama Tomoharu 2759.40
9 White Win JPN Kuga Akio 2381.80
41st Kanto Championship
Date 2024-07-21 Rating 2731.31
Round Color Result Opponent
1 White Win JPN Suenaga Daiki 2103.88
2 Black Win JPN Fujita Maiko 2415.31
3 White Win JPN Inoue Fumiya 2491.21
4 White Win JPN Matsuda Shoma 2489.62
5 Black Win JPN Takazawa Nagayoshi 2230.24
6 White Draw JPN Ishitani Shin-ichi 2404.00
Team World Championship 2024
Date 2024-05-04 Rating 2728.45
Round Color Result Opponent
6 White Win MAC Lee Chi Son 2248.29
7 Black Win RRA Gromov Danila 2574.32
8 Black Win CHN Liu Qin 2568.56
9 Black Win CHN Wu Di 2704.60
18th All Japan Championship
Date 2024-02-12 Rating 2715.41
Round Color Result Opponent
1 Black Loss JPN Tanaka Shotaro 2307.83
2 White Win JPN Suzuki Yoshitaka 1965.51
3 Black Loss JPN Miyamoto Syunju 2344.40
4 White Win JPN Kato Yasuhiro 2033.49
5 Black Win JPN Ishitani Shin-ichi 2402.70
6 White Draw JPN Tachi Masaya 2594.40
27th New Year (Mikami) Cup
Date 2024-01-14 Rating 2716.60
Round Color Result Opponent
S1 Black Win JPN Ono Takayuki 2420.02
S2 Black Win JPN Fujita Maiko 2406.51
S3 Black Win JPN Ishitani Shin-ichi 2405.35
S4 Black Draw JPN Inoue Fumiya 2498.71
S5 White Win JPN Tanaka Shotaro 2307.00
24 Kanto Renju Emperor Tournament 2nd round
Date 2023-12-10 Rating 2717.07
Round Color Result Opponent
1 Black Draw JPN Nakayama Tomoharu 2769.57
2 Black Win JPN Inoue Fumiya 2497.81
3 White Win JPN Miyamoto Syunju 2328.33
4 White Loss JPN Kamiya Shunsuke 2850.84
5 White Win JPN Makino Mitsunori 2627.50
24 Kanto Renju Emperor Tournament Kanto area 1st round
Date 2023-11-19 Rating 2716.30
Round Color Result Opponent
1 White Win JPN Matsuda Shoma 2410.27
2 Black Draw CHN Wang Qingqing 2656.57
3 White Win JPN Ono Takayuki 2426.15
4 Black Draw JPN Nakayama Tomoharu 2770.64
ex White Win JPN Maruta Hiroki 2240.59
61st Meijinsen match R3
Date 2023-10-28 Rating 2714.62
Round Color Result Opponent
3 Black Loss JPN Kamiya Shunsuke 2851.07
61st Meijinsen match R1-2
Date 2023-10-15 Rating 2714.08
Round Color Result Opponent
1 Black Loss JPN Kamiya Shunsuke 2850.69
2 White Loss JPN Kamiya Shunsuke 2850.69
61st Meijinsen Tournament
Date 2023-09-18 Rating 2714.83
Round Color Result Opponent
1 Black Draw JPN Kawano Takahisa 2526.78
2 White Win JPN Tachi Masaya 2579.81
3 Black Win JPN Maruyama Yasushi 2256.11
4 White Win JPN Matsuda Shoma 2395.68
5 White Win JPN Fujita Maiko 2412.62
6 Black Win JPN Makino Mitsunori 2620.45
7 Black Win JPN Yamane Tomohiro 2073.75
8 Black Draw JPN Hasegawa Kazuto 2564.35
9 Black Win JPN Nakayama Tomoharu 2772.85
World Championship 2023, AT
Date 2023-08-12 Rating 2710.97
Round Color Result Opponent
1 Black Loss RRA Epifanov Dmitry 2665.73
2 White Win JPN Inoue Fumiya 2515.34
3 Black Win CHN Ni Zhongxing 2743.04
4 Black Win RRA Burtsev Nikolai 2526.55
5 White Loss JPN Nakayama Tomoharu 2775.55
6 White Win JPN Kamiya Shunsuke 2844.35
7 White Draw RRA Pinsky Alexander 2628.36
8 Black Win KOR Lee Ho June 2434.86
9 Black Draw CHN Lu Hai 2750.52
10 Black Draw CHN Mei Fan 2754.30
11 Black Draw CHN Cao Dong 2740.07
40th Kanto Championship
Date 2023-07-09 Rating 2703.75
Round Color Result Opponent
1 Black Win JPN Fujita Maiko 2417.20
2 Black Loss JPN Makino Mitsunori 2615.56
3 White Loss JPN Miyamoto Syunju 2301.89
4 White Win JPN Tanaka Shotaro 2312.92
5 Black Win JPN Takazawa Nagayoshi 2283.34
6 Black Win JPN Ishitani Shin-ichi 2379.64
17th All Japan Championship
Date 2023-03-19 Rating 2693.17
Round Color Result Opponent
1 White Win JPN Miyamoto Syunju 2272.95
2 White Win JPN Ishitani Shin-ichi 2369.12
3 Black Draw JPN Kamiya Shunsuke 2853.37
4 White Draw JPN Makino Mitsunori 2616.99
5 Black Draw JPN Nakayama Tomoharu 2786.40
6 White Draw JPN Tachi Masaya 2544.63
23 Kanto Renju Emperor Tournament 2nd round
Date 2023-01-29 Rating 2687.17
Round Color Result Opponent
1 White Loss JPN Inoue Fumiya 2526.66
2 White Loss JPN Yokoyama Shota 2464.35
3 Black Win JPN Kamiya Shunsuke 2852.10
4 White Win JPN Fujita Maiko 2417.89
5 Black Win JPN Maruta Koji 2165.16
26th New Year (Mikami) Cup
Date 2023-01-15 Rating 2686.32
Round Color Result Opponent
S1 Black Win JPN Takazawa Nagayoshi 2266.23
S2 Black Draw JPN Inoue Fumiya 2526.82
S3 White Win JPN Ono Takayuki 2422.03
S4 White Loss JPN Ishitani Shin-ichi 2371.09
S5 Black Draw JPN Tanaka Shotaro 2323.61
60th Meijinsen Tournament
Date 2022-09-19 Rating 2694.93
Round Color Result Opponent
1 Black Win JPN Kuga Akio 2393.83
2 Black Win JPN Ono Takayuki 2418.09
3 White Draw JPN Makino Mitsunori 2623.19
4 Black Win JPN Miyamoto Syunju 2249.20
5 White Win JPN Kawamoto Shoma 2316.76
6 Black Win JPN Hasegawa Kazuto 2612.12
7 White Loss JPN Nagasoe Hiroki 2651.72
8 White Win JPN Ishitani Shin-ichi 2356.20
9 Black Draw JPN Nakayama Tomoharu 2798.99
39 Kanto Championship
Date 2022-07-31 Rating 2695.90
Round Color Result Opponent
1 Black Win JPN Tanaka Shotaro 2305.16
2 Black Win JPN Maruta Hiroki 2188.46
3 Black Win JPN Ono Takayuki 2422.25
4 White Win JPN Ishitani Shin-ichi 2354.34
5 White Draw JPN Yokoyama Shota 2457.62
6 White Win JPN Kato Yasuhiro 2061.72
22nd Kanto Renju Emperor Tournament Final
Date 2022-03-19 Rating 2695.99
Round Color Result Opponent
1 Black Loss JPN Kamiya Shunsuke 2857.76
2 Black Draw JPN Kamiya Shunsuke 2857.76
3 White Loss JPN Kamiya Shunsuke 2857.76
59th Meijinsen Tournament
Date 2022-01-10 Rating 2698.66
Round Color Result Opponent
1 White Win JPN Maruta Hiroki 2243.84
2 Black Draw JPN Nakayama Tomoharu 2818.77
3 Black Win JPN Maruyama Yasushi 2268.86
4 Black Win JPN Ono Takayuki 2419.03
5 White Win JPN Hayashi Shoichi 2150.46
6 Black Win JPN Iio Yoshihiro 2393.41
7 White Win JPN Nagasoe Hiroki 2652.97
8 White Draw JPN Hasegawa Kazuto 2567.68
9 Black Loss JPN Kamiya Shunsuke 2853.76
ex White Win JPN Nagasoe Hiroki 2652.97
22 Renju Emperor Tournament 2nd round
Date 2021-12-19 Rating 2696.92
Round Color Result Opponent
1 Black Win JPN Yokoyama Shota 2447.56
2 Black Win JPN Maruta Hiroki 2250.96
3 White Loss JPN Kamiya Shunsuke 2854.03
4 Black Draw JPN Nagasoe Hiroki 2650.91
5 White Draw JPN Shimura Hiroki 2100.61
13th Tohoku Championship
Date 2021-12-12 Rating 2696.81
Round Color Result Opponent
1 White Win JPN Miyamoto Syunju 2242.19
2 Black Win JPN Fujita Maiko 2375.80
3 Black Loss JPN Inoue Fumiya 2512.93
4 White Win JPN Maruta Hiroki 2252.94
38 Kanto Championship
Date 2021-08-08 Rating 2701.21
Round Color Result Opponent
1 White Win JPN Suenaga Daiki 2251.73
2 White Win JPN Ishitani Shin-ichi 2329.24
3 White Loss JPN Kamiya Shunsuke 2845.94
4 Black Loss JPN Inoue Fumiya 2500.86
5 White Loss JPN Yokoyama Shota 2448.63
6 White Win JPN Fujita Maiko 2349.81
16th All Japan Championship
Date 2021-03-28 Rating 2729.22
Round Color Result Opponent
1 Black Win JPN Suenaga Daiki 2260.65
2 Black Win JPN Inoue Fumiya 2476.41
3 Black Draw JPN Nakamura Shigeru 2950.93
4 White Win JPN Fujita Maiko 2359.53
5 White Win JPN Nagasoe Hiroki 2633.96
6 White Win JPN Makino Mitsunori 2561.53
21th Kanto Renju Emperor Tournament Final
Date 2021-02-27 Rating 2731.20
Round Color Result Opponent
1 White Win JPN Makino Mitsunori 2558.76
2 Black Win JPN Makino Mitsunori 2558.76
24th New Year(Mikami)Cup
Date 2021-01-29 Rating 2731.43
Round Color Result Opponent
S1 Black Win JPN Ono Takayuki 2388.83
S2 White Win JPN Maruta Hiroki 2226.60
S3 Black Win JPN Maruta Koji 2116.33
S4 White Win JPN Ishitani Shin-ichi 2362.31
S5 Black Draw JPN Makino Mitsunori 2555.16
12th Tohoku Championship
Date 2020-12-27 Rating 2731.42
Round Color Result Opponent
Black Draw JPN Nakamura Shigeru 2950.40
21 Renju Emperor Tournament 2nd round
Date 2020-12-06 Rating 2730.77
Round Color Result Opponent
1 White Win JPN Shimura Hiroki 1997.92
2 White Win JPN Ono Takayuki 2392.10
3 White Draw JPN Nagasoe Hiroki 2619.91
4 Black Win JPN Inoue Fumiya 2464.57
5 Black Draw JPN Makino Mitsunori 2544.42
58 Meijinsen Tournament
Date 2020-09-21 Rating 2729.09
Round Color Result Opponent
1 White Win JPN Kamiya Shunsuke 2816.76
2 White Loss JPN Makino Mitsunori 2518.15
3 White Win JPN Nakayama Tomoharu 2835.09
4 Black Win JPN Fujita Maiko 2369.85
5 Black Win JPN Fujita Yudai 2480.16
6 White Loss JPN Matsuura Hiroshi 2383.45
7 Black Draw JPN Tamada Yoichi 2526.72
8 Black Win JPN Tanaka Toshiki 2463.10
9 Black Draw JPN Tachi Masaya 2480.81
37 Kanto Championship
Date 2020-08-10 Rating 2730.33
Round Color Result Opponent
1 White Win JPN Ito Midori 1779.41
2 Black Win JPN Kato Yasuhiro 2084.00
3 White Win JPN Ishitani Shin-ichi 2367.68
4 White Win JPN Maruta Hiroki 2242.38
5 White Win JPN Fujita Maiko 2370.11
6 Black Win JPN Maruyama Takashi 2039.78
20th Kanto Renju Emperor Tournament Final
Date 2020-02-16 Rating 2729.19
Round Color Result Opponent
1 Black Loss JPN Nakamura Shigeru 2961.97
2 White Loss JPN Nakamura Shigeru 2961.97
23 New Year (Mikami) Cup
Date 2020-01-26 Rating 2730.03
Round Color Result Opponent
A1 Black Win JPN Maruta Hiroki 2215.72
A2 White Win JPN Iwano Fumio 2169.38
A3 Black Loss JPN Nakamura Shigeru 2961.90
A4 White Win JPN Fujita Maiko 2353.12
A5 White Win JPN Ishitani Shin-ichi 2371.72
15th All Japan Championship
Date 2020-01-19 Rating 2730.23
Round Color Result Opponent
1 Black Win JPN Sakamoto Suzan 2266.16
2 White Win JPN Nakamura Shigeru 2961.62
3 White Win JPN Inoue Fumiya 2413.51
4 Black Loss JPN Nakayama Tomoharu 2843.32
5 Black Draw JPN Kamiya Shunsuke 2815.50
6 Black Win JPN Iio Yoshihiro 2394.22
20 Renju Emperor Tournament 2nd round
Date 2019-12-08 Rating 2727.26
Round Color Result Opponent
1 White Win JPN Inoue Fumiya 2415.40
2 White Loss JPN Fujita Maiko 2353.76
3 White Draw JPN Nakamura Shigeru 2964.88
4 White Win JPN Miyamoto Syunju 2299.14
5 White Win JPN Ishitani Shin-ichi 2371.63
11th Tohoku Championship
Date 2019-10-06 Rating 2724.65
Round Color Result Opponent
1 White Win JPN Kusajima Masato 2241.54
2 White Win JPN Miyamoto Syunju 2295.68
3 Black Win JPN Hirono Masakazu 2080.64
4 White Win JPN Ishitani Shin-ichi 2377.54
5 White Win JPN Gakumazawa Hideaki 2137.56
57 Meijinsen Tournament
Date 2019-09-16 Rating 2723.13
Round Color Result Opponent
1 White Win JPN Matsuura Hiroshi 2363.11
2 White Win JPN Ishitani Shin-ichi 2381.24
3 Black Win JPN Inoue Fumiya 2416.22
4 Black Draw JPN Kamiya Shunsuke 2821.17
5 Black Win JPN Hasegawa Kazuto 2609.45
6 Black Loss JPN Kawamura Norihiko 2660.16
7 White Win JPN Nakayama Tomoharu 2823.88
8 Black Loss JPN Koyama Jun 2606.07
9 White Win JPN Kawano Takahisa 2455.55
World Championship 2019, AT
Date 2019-08-10 Rating 2718.56
Round Color Result Opponent
1 White Draw EST Oll Aivo 2744.56
2 Black Win JPN Inoue Fumiya 2420.41
3 Black Win RRA Epifanov Dmitry 2671.86
4 White Draw JPN Nakayama Tomoharu 2818.48
5 White Win JPN Kamiya Shunsuke 2818.36
6 White Loss JPN Koyama Jun 2612.12
7 White Loss SWE Gardström Petter 2701.39
8 Black Loss CHN Cao Dong 2780.04
9 White Loss RRA Sushkov Vladimir 2840.58
10 White Win RRA Fedotov Denis 2681.23
11 White Win CHN Mei Fan 2703.49
36 Kanto Championship
Date 2019-07-28 Rating 2716.36
Round Color Result Opponent
1 Black Win JPN Fujikawa Masaki 2148.18
2 White Win JPN Makino Mitsunori 2312.43
3 White Loss JPN Nakamura Shigeru 2981.53
4 White Win JPN Ono Takayuki 2394.99
5 White Draw JPN Inoue Fumiya 2422.04
6 White Win JPN Ishitani Shin-ichi 2386.22
14th All Japan Championship
Date 2019-03-31 Rating 2697.99
Round Color Result Opponent
1 White Win JPN Miyamoto Syunju 2273.33
2 White Loss JPN Nakamura Shigeru 2993.12
3 White Draw JPN Kamiya Shunsuke 2810.53
4 White Win JPN Iio Yoshihiro 2447.47
5 White Loss JPN Inoue Fumiya 2424.71
6 White Win JPN Koyama Jun 2585.44
19th Kanto Renju Emperor Tournament Final
Date 2019-02-17 Rating 2692.49
Round Color Result Opponent
1 Black Loss JPN Nakamura Shigeru 2995.60
2 Black Loss JPN Nakamura Shigeru 2995.60
22 New Year (Mikami) Cup
Date 2019-01-20 Rating 2689.75
Round Color Result Opponent
1 White Win JPN Inoue Fumiya 2409.28
2 White Win JPN Tomobe Katsuhiro 2166.18
3 White Win JPN Ono Takayuki 2397.86
4 Black Draw TPE Ke Fang-Ying 2367.30
5 Black Win JPN Takazawa Nagayoshi 2168.69
19 Renju Emperor Tournament 2nd round
Date 2018-12-09 Rating 2685.40
Round Color Result Opponent
1 White Win JPN Maruta Hiroki 2175.05
2 White Win JPN Ishitani Shin-ichi 2416.58
3 Black Loss JPN Nakamura Shigeru 2997.79
4 White Win JPN Miyamoto Syunju 2268.51
5 White Win JPN Iwano Fumio 2241.17
“SOPAI Cup” 1st World Renju Open
Date 2018-11-25 Rating 2683.58
Round Color Result Opponent
1 White Win CHN Tian Hanfa 1887.44
2 White Loss MAC Wai Chan Keong 2752.27
3 Black Loss CHN Sun Jinxue 2245.19
4 White Win CHN Peng Lulu 2062.31
5 White Loss CHN Hong Pengcheng 2392.91
6 Black Loss CHN Cheng Yanzhen 2423.90
7 White Win CHN Guo Haisen 2200.75
8 White Loss CHN Lu Hai 2616.95
9 White Win CHN Ling Shijie 2407.56
56 Meijinsen Tournament
Date 2018-09-17 Rating 2700.02
Round Color Result Opponent
1 White Win JPN Hasegawa Kazuto 2575.56
2 Black Win JPN Kuga Akio 2422.42
3 Black Loss JPN Koyama Jun 2570.70
4 White Loss JPN Nakamura Shigeru 2998.02
5 Black Win JPN Matsuura Hiroshi 2353.86
6 Black Win JPN Kawamura Norihiko 2653.11
8 White Win JPN Ishitani Shin-ichi 2427.04
9 Black Win JPN Kamiya Shunsuke 2797.23
10th Tohoku Championship
Date 2018-09-09 Rating 2701.01
Round Color Result Opponent
1 White Win JPN Hirono Masakazu 2084.84
2 Black Win JPN Miyamoto Syunju 2264.60
3 Black Win JPN Demachi Koichiro 1923.08
5 Black Win JPN Kusajima Masato 2299.54
35 Kanto Championship
Date 2018-07-16 Rating 2706.59
Round Color Result Opponent
1 White Win JPN Fujikawa Masaki 2100.59
2 White Win JPN Inoue Fumiya 2393.78
3 White Loss JPN Nakamura Shigeru 2992.18
4 White Win JPN Fujita Maiko 2220.05
5 Black Draw JPN Nakayama Tomoharu 2836.16
6 Black Win JPN Ishitani Shin-ichi 2430.39
Team World Championship 2018
Date 2018-05-05 Rating 2710.58
Round Color Result Opponent
2 White Loss EST Mesila Villem 2646.04
3 White Win SWE Gardström Petter 2692.43
5 White Win RRA Makarov Pavel 2600.27
6 Black Loss CHN Cao Dong 2800.96
7 White Loss RRA Kryuchok Roman 2600.69
8 Black Win RRA Kozhin Mikhail 2685.62
10 White Win EST Mesila Villem 2646.04
13th All Japan Championship
Date 2018-01-28 Rating 2715.14
Round Color Result Opponent
1 Black Win JPN Fujita Yudai 2498.60
2 White Loss JPN Nakayama Tomoharu 2851.01
3 Black Win JPN Iio Yoshihiro 2535.62
4 White Loss JPN Kamiya Shunsuke 2810.70
5 Black Win JPN Ishitani Shin-ichi 2416.71
6 Black Loss JPN Tachi Masaya 2555.23
21 Mikami Cup
Date 2018-01-21 Rating 2716.06
Round Color Result Opponent
S1 Black Win JPN Ono Takayuki 2381.96
S2 White Win JPN Ishitani Shin-ichi 2414.97
S3 White Win JPN Sato Kiyotomi 2433.18
18 Kanto Renju Emperor Tournament 2nd round
Date 2017-12-17 Rating 2718.93
Round Color Result Opponent
1 Black Win JPN Miyamoto Syunju 2273.25
2 White Win JPN Kusajima Masato 2302.51
3 White Win JPN Sato Kiyotomi 2435.78
4 White Win JPN Koyama Jun 2585.67
5 Black Loss JPN Nakamura Shigeru 2959.13
18 Kanto Renju Emperor Tournament 1st round
Date 2017-11-01 Rating 2720.49
Round Color Result Opponent
1 Black Win JPN Maruta Koji 2125.89
2 Black Draw JPN Koyama Jun 2595.20
3 Black Win JPN Kusajima Masato 2298.69
4 White Win JPN Ishitani Shin-ichi 2393.65
55 Meijinsen Tournament
Date 2017-09-18 Rating 2721.62
Round Color Result Opponent
1 White Win JPN Sato Kiyotomi 2450.70
2 White Win JPN Kawano Takahisa 2436.38
3 White Win JPN Iio Yoshihiro 2548.03
4 Black Loss JPN Kamiya Shunsuke 2810.17
5 Black Win JPN Tamada Yoichi 2510.27
6 White Win JPN Matsuura Hiroshi 2339.87
7 White Loss JPN Nakayama Tomoharu 2843.91
8 White Win JPN Hasegawa Kazuto 2597.42
9 Black Win JPN Maruyama Yasushi 2282.04
World Championship 2017, BT
Date 2017-08-12 Rating 2719.98
Round Color Result Opponent
1 White Win TPE Liao Jun-Yen 2339.54
2 White Loss TPE Huang Yen-Hua 2461.00
3 White Win MAC Sun In 2433.20
4 Black Loss CHN Liu Yang 2670.75
5 Black Win RRA Metreveli Maksim 2314.57
6 Black Win TPE Yang Yu-Hsiung 2431.42
7 White Draw MAC Tang Kai Lam 2771.18
8 Black Draw MAC Wai Chan Keong 2679.50
9 White Win JPN Koyama Jun 2606.82
World Championship 2017, QT
Date 2017-08-05 Rating 2720.08
Round Color Result Opponent
1 Black Draw TPE Lu Wei-Yuan 2602.66
2 Black Win KOR Kim Su Chan 2307.22
3 White Draw TPE Lin Huang-Yu 2725.73
4 White Draw CHN Lan Zhiren 2636.46
5 Black Draw JPN Koyama Jun 2606.74
6 Black Win EST Oll Aivo 2795.82
7 Black Loss RRA Sushkov Vladimir 2874.93
34 Kanto Championship
Date 2017-07-16 Rating 2720.41
Round Color Result Opponent
1 White Win JPN Fujikawa Masaki 2072.87
2 White Win JPN Iwano Fumio 2265.70
3 White Loss JPN Nakayama Tomoharu 2825.60
4 White Win JPN Ono Takayuki 2378.20
5 White Win JPN Ishitani Shin-ichi 2392.85
6 White Win JPN Maruta Hiroki 2128.96
12th All Japan Championship
Date 2017-03-26 Rating 2721.97
Round Color Result Opponent
1 Black Win JPN Ono Takayuki 2367.07
2 White Win JPN Sato Kiyotomi 2478.57
3 White Draw JPN Nakayama Tomoharu 2793.99
4 Black Loss JPN Nakamura Shigeru 2965.76
5 Black Win JPN Fujita Yudai 2487.66
6 Black Draw JPN Kamiya Shunsuke 2788.43
20 New Year (Mikami) Cup
Date 2017-01-22 Rating 2719.22
Round Color Result Opponent
S1 Black Win JPN Sato Kiyotomi 2491.63
S2 White Win JPN Ishitani Shin-ichi 2393.83
S4 Black Loss JPN Nakamura Shigeru 2964.09
S5 White Win JPN Koyama Jun 2611.27
17 Kanto Renju Emperor Tournament 2nd round
Date 2016-12-10 Rating 2714.97
Round Color Result Opponent
1 White Draw JPN Sato Kiyotomi 2501.72
2 Black Win JPN Maruta Koji 2162.07
3 Black Win JPN Ishitani Shin-ichi 2398.86
4 White Draw JPN Nakamura Shigeru 2959.18
5 White Loss JPN Nakayama Tomoharu 2783.61
17 Kanto Renju Emperor Tournament 1st round
Date 2016-11-23 Rating 2713.65
Round Color Result Opponent
1 Black Win JPN Maruta Koji 2164.39
2 White Win JPN Koyama Jun 2614.94
3 Black Win JPN Ishitani Shin-ichi 2400.44
4 Black Draw JPN Sato Kiyotomi 2502.83
48 Kyoto Classified Tournament
Date 2016-11-13 Rating 2712.57
Round Color Result Opponent
SS2 Black Loss JPN Hasegawa Kazuto 2639.04
SS3 White Loss JPN Hata Masayuki 2200.13
SS4 White Draw JPN Kawamura Norihiko 2627.53
SS5 White Draw JPN Iio Yoshihiro 2554.55
54 Meijinsen Tournament
Date 2016-09-19 Rating 2718.17
Round Color Result Opponent
1 White Win JPN Maruyama Yasushi 2291.16
2 Black Win JPN Matsuura Hiroshi 2361.75
3 Black Win JPN Iio Yoshihiro 2561.08
4 Black Loss JPN Kuga Akio 2366.82
5 White Loss JPN Kamiya Shunsuke 2760.17
6 White Win JPN Tanaka Toshiki 2443.55
7 White Win JPN Hasegawa Kazuto 2639.21
8 White Draw JPN Nakayama Tomoharu 2777.85
9 Black Win JPN Koyama Jun 2618.89
33 Kanto Championship
Date 2016-07-31 Rating 2722.36
Round Color Result Opponent
1 White Win JPN Fujikawa Masaki 2105.19
2 White Win JPN Maruta Koji 2178.57
3 White Win JPN Koyama Jun 2623.23
4 Black Draw JPN Nakayama Tomoharu 2776.77
5 Black Win JPN Maruta Hiroki 2129.63
6 Black Loss JPN Nakamura Shigeru 2955.19
54 Meijinsen Qualification East Japan area 2nd round
Date 2016-06-12 Rating 2724.65
Round Color Result Opponent
1 Black Win JPN Kamiya Shunsuke 2727.49
2 Black Win JPN Mitsumori Masao 2354.08
3 Black Win JPN Kusajima Masato 2267.85
4 White Win JPN Tamada Yoichi 2569.07
5 Black Draw JPN Koyama Jun 2629.79
19 Mikami Cup
Date 2016-03-13 Rating 2720.48
Round Color Result Opponent
S1 White Win JPN Kusajima Masato 2264.87
S2 White Draw JPN Kamiya Shunsuke 2724.04
S3 White Loss JPN Nakamura Shigeru 2941.15
S4 White Win JPN Koyama Jun 2632.23
S5 Black Win JPN Ono Takayuki 2328.62
11th All Japan Championship
Date 2016-01-11 Rating 2715.40
Round Color Result Opponent
1 Black Draw JPN Fujita Yudai 2447.21
2 White Draw JPN Tamada Yoichi 2572.87
3 White Loss JPN Koyama Jun 2637.62
4 Black Win JPN Ishitani Shin-ichi 2396.83
5 Black Win JPN Iio Yoshihiro 2539.51
6 Black Draw JPN Nakayama Tomoharu 2778.57
16 Kanto Renju Emperor Tournament 2nd round
Date 2015-12-13 Rating 2715.07
Round Color Result Opponent
1 Black Draw JPN Nakayama Tomoharu 2776.75
2 White Loss JPN Nakamura Shigeru 2924.21
3 White Win JPN Koyama Jun 2641.83
4 White Win JPN Ono Takayuki 2325.67
5 White Loss JPN Sato Kiyotomi 2537.23
16 Kanto Renju Emperor Tournament 1st round
Date 2015-11-15 Rating 2715.95
Round Color Result Opponent
1 White Win JPN Kato Yasuhiro 2043.35
2 Black Win JPN Ono Takayuki 2326.51
3 White Loss JPN Koyama Jun 2642.42
4 White Loss JPN Sato Kiyotomi 2534.31
47 Kyoto Classified Tournament
Date 2015-11-08 Rating 2717.13
Round Color Result Opponent
S1 Black Win JPN Tachi Masaya 2471.62
S2 Black Win JPN Hasegawa Kazuto 2667.89
S3 Black Win RRA Epifanov Dmitry 2716.45
S4 Black Win JPN Kashihara Akihiko 2341.50
S5 White Win JPN Sakamoto Suzan 2283.37
53 Meijinsen Tournament
Date 2015-09-22 Rating 2718.21
Round Color Result Opponent
1 White Win JPN Ishitani Shin-ichi 2392.69
2 Black Loss JPN Hasegawa Kazuto 2672.88
3 White Win JPN Matsuura Hiroshi 2399.40
4 White Win JPN Tamada Yoichi 2583.20
5 White Draw JPN Oosumi Yuuki 2773.55
6 Black Loss JPN Kawamura Norihiko 2623.09
7 Black Draw JPN Nakayama Tomoharu 2769.81
8 White Loss JPN Iio Yoshihiro 2532.01
9 White Draw JPN Koyama Jun 2635.85
World Championship 2015, AT
Date 2015-08-13 Rating 2725.00
Round Color Result Opponent
1 Black Win MAC Tang Kai Lam 2729.00
2 Black Draw JPN Kamiya Shunsuke 2707.61
3 Black Loss CHN Qi Guan 2803.86
4 White Draw EST Taimla Tunnet 2765.38
5 Black Win RRA Salnikov Pavel 2642.61
6 Black Win RRA Makarov Pavel 2596.96
7 White Loss CHN Lan Zhiren 2645.58
8 Black Win EST Hõbemägi Martin 2652.77
9 Black Draw RRA Fedorkin Oleg 2737.07
10 Black Draw TPE Chen Ko-Han 2708.27
11 Black Draw TPE Lin Huang-Yu 2794.48
Kanto Championship
Date 2015-07-20 Rating 2727.12
Round Color Result Opponent
1 Black Win JPN Nakamura Souta 2292.69
2 White Win JPN Ishitani Shin-ichi 2399.12
3 White Draw JPN Koyama Jun 2630.30
4 White Draw JPN Nakayama Tomoharu 2763.78
5 Black Loss JPN Nakamura Shigeru 2906.09
6 Black Win JPN Iwano Fumio 2251.78
7th Tohoku Championship
Date 2015-04-12 Rating 2736.72
Round Color Result Opponent
1 White Win JPN Gakumazawa Hideaki 2191.71
2 White Win JPN Kusajima Masato 2257.77
3 White Win JPN Kobayashi Koichi 2294.63
4 White Win JPN Ishitani Shin-ichi 2422.12
5 Black Win JPN Hirono Masakazu 1991.93
10th All Japan Championship
Date 2015-03-29 Rating 2737.57
Round Color Result Opponent
1 White Win JPN Miyagawa Junzo 2243.46
2 Black Win JPN Nagao Noriaki 2278.61
3 White Win JPN Kamiya Shunsuke 2675.93
4 Black Draw JPN Nakamura Shigeru 2904.71
5 Black Draw JPN Nakayama Tomoharu 2745.02
6 Black Draw JPN Tachi Masaya 2480.87
15th Kanto Renju Emperor Tournament Final
Date 2015-02-15 Rating 2737.99
Round Color Result Opponent
1 Black Loss JPN Nakamura Shigeru 2902.31
2 Black Loss JPN Nakamura Shigeru 2902.31
15 Kanto Renju Emperor Tournament 2nd round
Date 2015-01-25 Rating 2739.51
Round Color Result Opponent
1 White Win JPN Ono Takayuki 2346.47
2 White Win JPN Ishitani Shin-ichi 2430.58
3 Black Win JPN Kamiya Shunsuke 2661.20
4 White Loss JPN Nakamura Souta 2267.91
5 Black Win JPN Nakamura Shigeru 2899.80
18 Mikami Cup Tournament
Date 2015-01-18 Rating 2739.70
Round Color Result Opponent
S1 Black Win JPN Ono Takayuki 2348.03
S2 White Draw JPN Isobe Taizan 2433.09
S3 Black Loss JPN Nakamura Shigeru 2899.26
46 Kyoto Classified Tournament
Date 2014-11-09 Rating 2745.84
Round Color Result Opponent
S1 White Win JPN Miyagawa Junzo 2230.03
S2 Black Win JPN Kawamura Norihiko 2652.88
S3 Black Draw JPN Iio Yoshihiro 2514.95
S4 White Win JPN Fukui Nobuhiro 2608.54
S5 Black Loss JPN Oosumi Yuuki 2823.38
15 Kanto Renju Emperor Tournament 1st round
Date 2014-10-26 Rating 2746.99
Round Color Result Opponent
1 White Win JPN Tomobe Katsuhiro 2091.05
2 Black Win JPN Kato Yasuhiro 2086.47
3 Black Win JPN Fukui Nobuhiro 2610.05
4 Black Draw JPN Kamiya Shunsuke 2641.42
52 Meijinsen Tournament
Date 2014-09-15 Rating 2749.40
Round Color Result Opponent
1 Black Win JPN Tamada Yoichi 2565.28
2 Black Win JPN Fukui Nobuhiro 2617.31
3 Black Win JPN Kashihara Akihiko 2344.77
4 Black Win JPN Matsuura Hiroshi 2352.71
5 White Loss JPN Oosumi Yuuki 2827.66
6 White Draw JPN Iio Yoshihiro 2511.20
7 Black Win JPN Sato Kiyotomi 2484.99
8 White Draw JPN Hasegawa Kazuto 2655.59
9 White Draw JPN Nakayama Tomoharu 2720.88
31th Kanto Championship
Date 2014-05-11 Rating 2755.80
Round Color Result Opponent
1 White Win JPN Kamiya Shunsuke 2605.02
2 White Win JPN Kobayashi Koichi 2242.19
3 White Draw JPN Tamura Kazumasa 2522.46
4 White Loss JPN Nakamura Shigeru 2884.40
5 White Win JPN Sato Kiyotomi 2470.77
6th Tohoku Championship
Date 2014-04-20 Rating 2757.11
Round Color Result Opponent
1 Black Win JPN Hirono Masakazu 1991.18
3 White Win JPN Sato Kiyotomi 2468.42
4 White Win JPN Gakumazawa Hideaki 2163.65
5 Black Win JPN Miura Hitoshi 1803.26
6 Black Win JPN Kusajima Masato 2235.41
7 White Win JPN Kobayashi Koichi 2240.01
14 Kanto Renju Emperor Tournament final match
Date 2014-02-16 Rating 2758.92
Round Color Result Opponent
1 White Loss JPN Nakamura Shigeru 2890.77
2 Black Loss JPN Nakamura Shigeru 2890.77
9th All Japan Championship
Date 2014-01-26 Rating 2761.01
Round Color Result Opponent
1 White Win JPN Ishitani Shin-ichi 2442.66
2 White Win JPN Sato Kiyotomi 2463.83
3 White Win JPN Fukui Nobuhiro 2610.37
4 White Draw JPN Oosumi Yuuki 2832.35
5 White Win JPN Iio Yoshihiro 2549.06
6 White Win JPN Tamura Kazumasa 2530.30
14th Mikami Cup S-class
Date 2014-01-19 Rating 2760.83
Round Color Result Opponent
1 Black Win JPN Fukui Nobuhiro 2609.06
2 White Draw JPN Ishitani Shin-ichi 2441.77
3 White Win JPN Tamura Kazumasa 2531.15
4 White Win JPN Nakayama Tomoharu 2672.49
5 Black Loss JPN Nakamura Shigeru 2891.17
14 Kanto Renju Emperor Tournament 2nd round
Date 2013-12-15 Rating 2759.17
Round Color Result Opponent
1 Black Win JPN Fukui Nobuhiro 2603.95
2 Black Win JPN Sato Kiyotomi 2465.14
3 White Draw JPN Tamura Kazumasa 2529.99
4 Black Loss JPN Nakamura Shigeru 2892.18
5 White Draw JPN Kamiya Shunsuke 2576.79
45 Kyoto Classified Tournament
Date 2013-11-10 Rating 2759.08
Round Color Result Opponent
S1 White Win JPN Ishitani Shin-ichi 2426.11
S2 Black Draw JPN Oosumi Yuuki 2840.50
S3 Black Win JPN Hata Masayuki 2251.09
S4 Black Win JPN Hasegawa Kazuto 2626.07
S5 Black Win JPN Mano Yoshihisa 2315.10
51 Meijinsen Tournament
Date 2013-09-16 Rating 2754.75
Round Color Result Opponent
1 Black Win JPN Yamaguchi Yusui 2592.02
2 Black Win JPN Kawano Takahisa 2371.31
3 White Win JPN Kawate Kozo 2193.11
4 Black Win JPN Hasegawa Kazuto 2622.46
5 White Win JPN Mano Yoshihisa 2316.40
6 Black Win JPN Kamiya Shunsuke 2559.61
7 Black Loss JPN Oosumi Yuuki 2845.96
8 Black Win JPN Sato Kiyotomi 2471.82
9 White Win JPN Hata Masayuki 2257.96
ex Black Loss JPN Oosumi Yuuki 2845.96
World Championship 2013, AT
Date 2013-08-14 Rating 2750.20
Round Color Result Opponent
1 Black Draw TPE Chen Ko-Han 2682.41
2 White Win CHN Lan Zhiren 2635.00
3 White Win EST Hõbemägi Martin 2585.52
4 White Loss RRA Sushkov Vladimir 2822.93
5 White Draw JPN Oosumi Yuuki 2847.66
6 White Loss RRA Epifanov Dmitry 2686.50
7 Black Win RRA Salnikov Pavel 2601.54
8 White Draw EST Oll Aivo 2735.05
9 White Loss EST Taimla Tunnet 2878.33
10 White Draw CHN Cao Dong 2745.38
11 Black Loss CHN Wang Qingqing 2648.30
World Championship 2013, QT
Date 2013-08-05 Rating 2749.99
Round Color Result Opponent
1 White Win EST Hõbemägi Martin 2585.92
2 Black Win JPN Miyagawa Junzo 2221.98
3 White Draw RRA Sushkov Vladimir 2822.01
4 Black Win EST Pajuste Renee 2628.13
5 White Draw EST Oll Aivo 2735.15
6 Black Draw RRA Fedorkin Oleg 2669.03
7 Black Draw RRA Salnikov Pavel 2603.63
29th Kanto Championship
Date 2013-05-12 Rating 2743.94
Round Color Result Opponent
1 Black Win JPN Iwano Fumio 2182.42
2 Black Win JPN Kamiya Shunsuke 2537.46
3 Black Win JPN Ishitani Shin-ichi 2385.32
4 White Win JPN Nakamura Shigeru 2865.84
5 Black Win JPN Kudomi Takahiro 2412.14
5th Tohoku Championship
Date 2013-04-14 Rating 2738.27
Round Color Result Opponent
1 White Win JPN Gakumazawa Hideaki 2130.92
2 Black Win JPN Kudomi Takahiro 2417.49
3 Black Win JPN Kusajima Masato 2214.32
4 White Win JPN Maruta Hiroki 2146.02
5 Black Win JPN Fukui Nobuhiro 2572.78
8th All Japan Championship
Date 2013-03-24 Rating 2732.80
Round Color Result Opponent
1 White Win JPN Kobayashi Koichi 2212.85
2 Black Draw JPN Kamiya Shunsuke 2528.84
3 Black Win JPN Isobe Taizan 2404.43
4 Black Win JPN Iio Yoshihiro 2485.51
5 Black Loss JPN Nakamura Shigeru 2868.25
6 White Loss JPN Oosumi Yuuki 2845.17
13 Kanto Renju Emperor Tournament final match
Date 2013-02-17 Rating 2725.82
Round Color Result Opponent
1 Black Loss JPN Nakamura Shigeru 2873.71
2 Black Draw JPN Nakamura Shigeru 2873.71
3 Black Draw JPN Nakamura Shigeru 2873.71
16th Mikami Cup Tournament
Date 2013-01-20 Rating 2719.92
Round Color Result Opponent
S1 Black Win JPN Mitsumori Masao 2343.65
S2 White Win JPN Ishitani Shin-ichi 2367.85
S3 White Loss JPN Nakamura Shigeru 2878.04
S4 White Win JPN Ono Takayuki 2416.56
S5 White Loss JPN Fukui Nobuhiro 2566.85
13 Kanto Renju Emperor Tournament 2nd round
Date 2013-01-13 Rating 2718.93
Round Color Result Opponent
1 Black Loss JPN Kudomi Takahiro 2421.83
2 Black Win JPN Fukui Nobuhiro 2565.95
3 Black Win JPN Isobe Taizan 2408.16
4 White Win JPN Ishitani Shin-ichi 2366.80
5 White Loss JPN Nakamura Shigeru 2878.77
44 Kyoto Classified Tournament
Date 2012-11-11 Rating 2714.08
Round Color Result Opponent
S1 Black Win JPN Ishitani Shin-ichi 2363.14
S2 White Draw JPN Hasegawa Kazuto 2593.97
S3 Black Win JPN Miyagawa Junzo 2214.69
S4 Black Win JPN Kudomi Takahiro 2420.91
S5 Black Loss JPN Oosumi Yuuki 2827.23
13 Kanto Renju Emperor Tournament 1st round
Date 2012-10-21 Rating 2712.89
Round Color Result Opponent
1 Black Win JPN Tomobe Katsuhiro 2190.78
2 Black Win JPN Maruta Hiroki 2120.56
3 Black Draw JPN Fukui Nobuhiro 2552.26
4 Black Win JPN Tada Ayako 2305.32
50th Meijinsen Tournament
Date 2012-09-17 Rating 2711.15
Round Color Result Opponent
1 Black Win JPN Nagasoe Hiroki 2550.48
2 Black Loss JPN Nakamura Shigeru 2881.73
3 White Win JPN Ono Takayuki 2430.52
4 Black Win JPN Nakayama Tomoharu 2626.13
5 Black Win JPN Matsuura Hiroshi 2329.13
6 White Loss JPN Yamaguchi Yusui 2653.93
7 Black Win JPN Iio Yoshihiro 2470.39
8 Black Draw JPN Fukui Nobuhiro 2543.29
9 White Win JPN Hasegawa Kazuto 2583.47
29th Kanto Championship
Date 2012-05-13 Rating 2699.35
Round Color Result Opponent
1 Black Win JPN Tada Ayako 2284.56
2 White Loss JPN Nakamura Shigeru 2885.20
3 White Win JPN Fukui Nobuhiro 2509.87
4 Black Win JPN Matsuoka Teruo 2017.78
5 Black Win JPN Kudomi Takahiro 2428.01
Team World Championship 2012
Date 2012-05-06 Rating 2698.49
Round Color Result Opponent
1 White Draw CHN He Qifa 2632.93
2 Black Win UKR Piddubny Konstantin 2271.78
3 White Draw RRA Chingin Konstantin 2821.32
4 Black Loss TPE Yang Yu-Hsiung 2495.88
5 Black Win EST Lents Johann 2546.81
7 Black Draw CHN Yin Licheng 2537.99
8 Black Loss CHN He Qifa 2632.93
9 White Draw CHN Chen Wei 2469.95
10 White Win CHN Yin Licheng 2537.99
7th All Japan Championship
Date 2012-01-29 Rating 2698.67
Round Color Result Opponent
1 White Win JPN Miyoshi Takeo 2165.59
2 White Loss JPN Isobe Taizan 2422.46
3 White Draw JPN Kamiya Shunsuke 2460.21
4 White Win JPN Fukui Nobuhiro 2487.87
5 White Win JPN Tamada Yoichi 2487.64
6 White Loss JPN Oosumi Yuuki 2790.87
12 Kanto Renju Emperor Tournament 2nd round
Date 2012-01-15 Rating 2700.24
Round Color Result Opponent
1 White Win JPN Kamiya Shunsuke 2457.21
2 Black Win JPN Mitsumori Masao 2369.79
3 Black Win JPN Nakayama Tomoharu 2601.22
4 Black Loss JPN Nakamura Shigeru 2875.84
5 Black Loss JPN Oosumi Yuuki 2789.43
43 Kyoto Classified Tournament
Date 2011-11-13 Rating 2707.00
Round Color Result Opponent
S1 Black Win JPN Hasegawa Kazuto 2555.84
S2 Black Win JPN Doi Manabu 2110.19
S3 Black Win JPN Miyagawa Junzo 2221.47
S4 Black Win JPN Oosumi Yuuki 2775.66
S5 White Win JPN Ishitani Shin-ichi 2393.36
12 Kanto Renju Emperor Tournament 1st round
Date 2011-10-23 Rating 2706.63
Round Color Result Opponent
1 White Win JPN Kato Yasuhiro 2072.65
2 Black Win JPN Kudomi Takahiro 2421.23
3 Black Loss JPN Nakayama Tomoharu 2588.98
4 Black Win JPN Ishitani Shin-ichi 2393.64
49th Meijinsen Tournament
Date 2011-09-19 Rating 2707.30
Round Color Result Opponent
1 White Win JPN Kubo Izumi 2112.82
2 Black Win JPN Miyoshi Takeo 2160.69
3 White Win JPN Sakashita Shoichi 2146.29
4 White Win JPN Matsuura Hiroshi 2381.36
5 Black Loss JPN Yamaguchi Yusui 2654.09
6 Black Win JPN Nakayama Tomoharu 2580.36
7 White Win JPN Iio Yoshihiro 2494.23
8 White Win JPN Hasegawa Kazuto 2558.29
9 White Win JPN Kashihara Akihiko 2258.89
World Championship 2011, AT
Date 2011-08-10 Rating 2705.47
Round Color Result Opponent
1 Black Loss TPE Lin Huang-Yu 2783.89
2 Black Draw RRA Artemyev Sergey 2603.38
3 Black Win TPE Hou I-Cheng 2503.95
4 Black Draw JPN Oosumi Yuuki 2752.83
5 White Win EST Oll Aivo 2702.07
6 Black Draw CHN Cao Dong 2697.75
7 White Loss EST Taimla Tunnet 2801.32
8 White Win SWE Andersson Tord 2440.23
9 Black Loss HKG Huang Jin-xian 2614.61
10 White Draw RRA Sushkov Vladimir 2776.31
11 Black Loss CHN Dai Xiaohan 2699.31
World Championship 2011, QT
Date 2011-08-03 Rating 2705.90
Round Color Result Opponent
1 White Win JPN Ono Takayuki 2398.62
2 White Win CHN Dai Xiaohan 2700.65
3 Black Draw JPN Kise Katsumi 2553.69
4 Black Draw JPN Kawamura Norihiko 2623.73
5 Black Win EST Hõbemägi Martin 2416.94
6 Black Win RRA Nikonov Konstantin 2650.35
7 White Draw EST Soosõrv Ants 2753.39
6th All Japan Championship
Date 2011-03-27 Rating 2700.01
Round Color Result Opponent
1 Black Win JPN Tada Ayako 2208.90
2 White Win JPN Mano Yoshihisa 2276.25
3 Black Draw JPN Tamada Yoichi 2515.24
4 Black Win JPN Iio Yoshihiro 2511.45
5 Black Win JPN Kise Katsumi 2533.45
6 White Loss JPN Oosumi Yuuki 2739.25
11 Kanto Renju Emperor Tournament final match
Date 2010-12-26 Rating 2696.08
Round Color Result Opponent
1 White Loss JPN Nakamura Shigeru 2859.68
2 Black Loss JPN Nakamura Shigeru 2859.68
11 Kanto Renju Emperor Tournament 2nd round
Date 2010-11-21 Rating 2696.75
Round Color Result Opponent
1 Black Win JPN Fukui Nobuhiro 2350.94
2 Black Win JPN Nakayama Tomoharu 2524.57
3 White Win JPN Kudomi Takahiro 2413.11
4 Black Win JPN Mitsumori Masao 2325.26
5 Black Draw JPN Nakamura Shigeru 2859.64
42 Kyoto Classified Tournament
Date 2010-11-14 Rating 2696.20
Round Color Result Opponent
S1 Black Loss JPN Okumura Toyohiko 2333.34
S2 White Win JPN Kubo Izumi 2104.64
S3 White Win JPN Hata Masayuki 2178.72
S4 White Win JPN Hasegawa Kazuto 2632.03
S5 White Loss JPN Oosumi Yuuki 2720.85
11 Kanto Renju Emperor Tournament 1st round
Date 2010-10-31 Rating 2696.45
Round Color Result Opponent
1 White Win JPN Fujikawa Masaki 2084.97
2 Black Win JPN Maruta Koji 2110.62
3 Black Win JPN Mitsumori Masao 2324.75
4 Black Draw JPN Oosumi Yuuki 2716.51
48th Meijinsen Tournament
Date 2010-09-20 Rating 2696.28
Round Color Result Opponent
1 White Win JPN Koiso Shigemasa 2173.60
2 Black Win JPN Sakamoto Suzan 2351.33
3 Black Loss JPN Oosumi Yuuki 2703.09
4 Black Draw JPN Iio Yoshihiro 2530.11
5 White Win JPN Tamada Yoichi 2498.26
6 White Win JPN Kawano Takahisa 2321.37
7 Black Win JPN Ishitani Shin-ichi 2391.31
8 White Win JPN Matsuura Hiroshi 2391.89
9 Black Loss JPN Yamaguchi Yusui 2591.55
27th Kanto Championship
Date 2010-05-23 Rating 2703.11
Round Color Result Opponent
1 Black Win JPN Ono Takayuki 2391.44
2 White Win JPN Tamura Kazumasa 2511.76
3 White Loss JPN Nakamura Shigeru 2857.95
4 Black Win JPN Ishitani Shin-ichi 2398.61
5 Black Win JPN Oosumi Yuuki 2666.23
Team World Championship 2010
Date 2010-05-05 Rating 2702.75
Round Color Result Opponent
1 White Loss JPN Nagao Noriaki 2375.52
3 Black Win CHN Yin Licheng 2516.44
4 Black Win TPE Chen Ko-Han 2566.30
5 Black Draw RRA Epifanov Dmitry 2558.88
6 Black Win AZE Eibatov Nizami 2315.66
7 White Win EST Purk Andry 2666.30
8 Black Win TPE Chen Ko-Han 2566.30
9 Black Loss CHN Yin Licheng 2516.44
10 White Win EST Purk Andry 2666.30
5th All Japan Championship
Date 2010-03-21 Rating 2701.51
Round Color Result Opponent
1 Black Win JPN Kobayashi Koichi 2132.09
2 Black Win JPN Isobe Taizan 2394.03
3 White Win JPN Nagao Noriaki 2372.98
4 White Win JPN Tamura Kazumasa 2513.62
5 White Win JPN Ishitani Shin-ichi 2398.05
6 Black Win JPN Nakamura Shigeru 2853.27
10 Kanto Renju Emperor Tournament final match
Date 2010-02-21 Rating 2696.32
Round Color Result Opponent
1 Black Loss JPN Nakamura Shigeru 2855.29
2 Black Win JPN Nakamura Shigeru 2855.29
3 Black Loss JPN Nakamura Shigeru 2855.29
13th Mikami Cup Tournament
Date 2010-01-31 Rating 2692.09
Round Color Result Opponent
S1 Black Win JPN Hara Masao 2006.29
S2 Black Win JPN Isobe Taizan 2395.47
S3 White Win JPN Ishitani Shin-ichi 2387.82
10 Kanto Renju Emperor Tournament 2nd round
Date 2009-12-20 Rating 2682.15
Round Color Result Opponent
1 Black Win JPN Tamura Kazumasa 2510.09
2 Black Win JPN Ono Takayuki 2388.88
3 White Loss JPN Nakamura Shigeru 2858.19
4 Black Win JPN Nagao Noriaki 2352.02
5 Black Draw JPN Tamada Yoichi 2420.47
40th Kyoto Classified - Special class
Date 2009-11-09 Rating 2672.57
Round Color Result Opponent
1 White Win JPN Sakamoto Suzan 2322.80
2 Black Draw JPN Iio Yoshihiro 2520.45
3 Black Win JPN Miyagawa Junzo 2199.79
4 Black Loss JPN Oosumi Yuuki 2630.03
5 Black Draw JPN Tamura Kazumasa 2509.16
41 Kyoto Classified Tournament
Date 2009-11-08 Rating 2672.43
Round Color Result Opponent
S1 White Win JPN Kudomi Takahiro 2365.28
S2 Black Win JPN Mano Yoshihisa 2320.46
S3 Black Loss JPN Miyoshi Takeo 2156.56
S4 Black Loss JPN Iio Yoshihiro 2520.37
S5 White Win JPN Sakamoto Suzan 2322.60
10 Kanto Renju Emperor Tournament 1st round
Date 2009-10-04 Rating 2672.35
Round Color Result Opponent
1 Black Win JPN Fujikawa Masaki 2050.25
2 Black Win JPN Iwano Fumio 2148.76
3 Black Win JPN Oosumi Yuuki 2625.81
4 White Draw JPN Ono Takayuki 2401.23
47th Meijinsen tournament
Date 2009-09-22 Rating 2672.09
Round Color Result Opponent
1 Black Win JPN Kawamura Norihiko 2633.15
2 White Win JPN Kataoka Mitsuaki 2257.96
3 Black Win JPN Ishitani Shin-ichi 2369.14
4 Black Loss JPN Tamura Kazumasa 2506.98
5 White Win JPN Matsuura Hiroshi 2365.98
6 Black Win JPN Sakamoto Suzan 2312.37
7 Black Draw JPN Oosumi Yuuki 2625.91
8 Black Win JPN Iio Yoshihiro 2515.24
9 Black Win JPN Yamaguchi Yusui 2575.00
World Championship 2009, AT
Date 2009-08-13 Rating 2667.64
Round Color Result Opponent
1 Black Loss JPN Nakamura Shigeru 2853.20
2 White Win JPN Ono Takayuki 2406.06
3 Black Loss CHN Cao Dong 2708.14
4 Black Loss EST Purk Andry 2677.09
5 White Win TPE Chen Ko-Han 2553.51
6 White Win RRA Kozhin Mikhail 2660.77
7 White Loss RRA Karasyov Maxim 2607.24
8 White Loss RRA Sushkov Vladimir 2807.01
9 Black Loss CHN Wu Di 2653.25
10 Black Loss EST Taimla Tunnet 2832.86
11 Black Win CZE Nykl Ondřej 2552.02
World Championship 2009, QT
Date 2009-08-05 Rating 2668.10
Round Color Result Opponent
1 White Loss RRA Savrasova Yulia 2659.58
2 Black Win CHN Yao Jinrui 2340.36
3 Black Win JPN Ono Takayuki 2407.49
4 White Win CHN Yin Licheng 2499.69
5 Black Draw POL Nowakowski Maciej 2507.91
6 White Win TPE Lin Huang-Yu 2603.92
7 Black Draw CHN Cao Dong 2706.77
26th Kanto Championship
Date 2009-05-17 Rating 2669.88
Round Color Result Opponent
1 Black Win JPN Ono Takayuki 2409.22
2 Black Win JPN Nagao Noriaki 2288.08
3 Black Draw JPN Yamaguchi Yusui 2568.72
4 Black Draw JPN Nakamura Shigeru 2856.78
5 Black Draw JPN Tamura Kazumasa 2514.66
4th All Japan Championship
Date 2009-03-21 Rating 2670.03
Round Color Result Opponent
1 White Win JPN Nagao Noriaki 2272.28
2 White Loss JPN Ishitani Shin-ichi 2390.49
3 Black Win JPN Sakamoto Suzan 2293.73
4 White Draw JPN Oosumi Yuuki 2611.32
5 Black Draw JPN Mitsumori Masao 2348.23
6 White Win JPN Ono Takayuki 2413.33
9 Kanto Renju Emperor Tournament final match
Date 2009-02-08 Rating 2674.24
Round Color Result Opponent
1 Black Loss JPN Nakamura Shigeru 2858.62
2 White Draw JPN Nakamura Shigeru 2858.62
3 Black Win JPN Nakamura Shigeru 2858.62
4 White Loss JPN Nakamura Shigeru 2858.62
12th Mikami Cup Tournament
Date 2009-01-18 Rating 2675.30
Round Color Result Opponent
S1 White Draw JPN Kawamura Norihiko 2656.00
S2 Black Loss JPN Nagao Noriaki 2265.58
S3 Black Win JPN Isobe Taizan 2399.23
S4 White Win JPN Oosumi Yuuki 2590.77
S5 White Loss JPN Nakamura Shigeru 2860.06
46 Meijinsen Match R3-R4
Date 2008-11-23 Rating 2682.14
Round Color Result Opponent
3 Black Loss JPN Hasegawa Kazuto 2738.73
9th Kanto Renju Emperor Tournament, 2nd round
Date 2008-11-16 Rating 2683.32
Round Color Result Opponent
1 White Win JPN Kudomi Takahiro 2355.52
2 Black Win JPN Sato Kiyotomi 2450.94
3 White Win JPN Nakayama Tomoharu 2288.84
4 White Win JPN Kato Yasuhiro 2000.92
5 Black Draw JPN Nakamura Shigeru 2859.48
9th Kanto Renju Emperor Tournament, 1st round
Date 2008-10-26 Rating 2685.26
Round Color Result Opponent
1 Black Win JPN Tanizaki Ryusuke 2127.74
2 Black Draw JPN Ono Takayuki 2409.68
3 Black Win JPN Nakayama Tomoharu 2285.71
4 White Win JPN Tamada Yoichi 2268.64
46 Meijinsen Match R1-R2
Date 2008-10-19 Rating 2686.00
Round Color Result Opponent
1 White Draw JPN Hasegawa Kazuto 2743.24
2 Black Loss JPN Hasegawa Kazuto 2743.24
46th Meijinsen Tournament
Date 2008-09-15 Rating 2690.86
Round Color Result Opponent
1 White Draw JPN Kawamura Norihiko 2662.18
2 Black Win JPN Matsuura Hiroshi 2327.43
3 White Win JPN Iio Yoshihiro 2507.01
4 Black Win JPN Ishitani Shin-ichi 2395.94
5 Black Win JPN Oosumi Yuuki 2560.04
6 Black Win JPN Kataoka Mitsuaki 2250.50
7 White Win JPN Yamaguchi Yusui 2581.84
8 Black Win JPN Hata Masayuki 2259.87
9 White Win JPN Sato Kiyotomi 2443.10
Youth World Championship 2008
Date 2008-08-10 Rating 2690.04
Round Color Result Opponent
A1 White Win POL Zajk Michał 2373.42
A2 White Win POL Tamioła Artur 2403.63
A3 White Draw EST Oll Aivo 2753.47
A4 White Win EST Lents Johann 2482.90
A5 White Loss HUN Demján Attila 2747.24
A6 White Draw EST Purk Andry 2635.53
A7 Black Draw EST Ilu Timo 2573.15
A8 White Win JPN Tamada Yoichi 2248.42
A9 White Win RRA Myasoyedov Yevgeni 2366.10
A10 White Win CZE Laube Pavel 2467.57
A11 Black Win POL Andrzejewski Wawrzyniec 2285.49
RIF 20 years anniversary celebration tournament
Date 2008-08-07 Rating 2689.81
Round Color Result Opponent
1 White Draw SWE Karlsson Stefan 2597.48
2 White Win RRA Sobolev Pavel 2176.36
3 White Win SWE Jonsson Peter 2330.69
4 Black Win ARM Poghosyan Albert 2381.91
5 Black Win CZE Nykl Ondřej 2466.70
6 Black Win JPN Ono Takayuki 2406.76
25th Kanto Championship
Date 2008-05-18 Rating 2678.62
Round Color Result Opponent
1 White Win JPN Maruta Hiroki 2037.87
2 Black Win JPN Tamada Yoichi 2223.98
3 Black Loss JPN Nakamura Shigeru 2858.83
4 Black Win JPN Isobe Taizan 2425.04
5 White Win JPN Arita Nobuyoshi 2393.59
3rd All Japan Championship
Date 2008-03-23 Rating 2669.76
Round Color Result Opponent
1 Black Win JPN Tamada Yoichi 2207.23
2 Black Draw JPN Kudomi Takahiro 2334.69
3 Black Win JPN Sato Kiyotomi 2415.76
4 Black Loss JPN Nakamura Shigeru 2856.01
5 White Win JPN Ono Takayuki 2395.64
6 Black Draw JPN Isobe Taizan 2436.04
8 Kanto Renju Emperor Tournament final match
Date 2008-02-24 Rating 2666.87
Round Color Result Opponent
1 White Draw JPN Nakamura Shigeru 2855.30
2 Black Win JPN Nakamura Shigeru 2855.30
3 Black Loss JPN Nakamura Shigeru 2855.30
4 White Loss JPN Nakamura Shigeru 2855.30
8th Kanto Renju Emperor Tournament 2nd round
Date 2007-12-16 Rating 2655.85
Round Color Result Opponent
1 Black Loss JPN Ishitani Shin-ichi 2400.97
2 White Loss JPN Nakamura Shigeru 2857.33
3 White Win JPN Kurata Kiyotaka 2275.15
4 Black Win JPN Isobe Taizan 2435.32
5 White Win JPN Ono Takayuki 2386.27
39th Kyoto Classified - Special Class
Date 2007-11-11 Rating 2652.50
Round Color Result Opponent
1 Black Win JPN Sakamoto Suzan 2277.64
2 White Win JPN Okumura Toyohiko 2323.63
3 Black Draw JPN Hasegawa Kazuto 2767.41
4 White Win JPN Oosumi Yuuki 2558.44
5 Black Win JPN Iio Yoshihiro 2533.94
The 45th Meijin-sen Tournament
Date 2007-09-17 Rating 2640.53
Round Color Result Opponent
1 Black Win JPN Miyoshi Takeo 2302.81
2 White Win JPN Kawamura Norihiko 2631.44
3 White Win JPN Iio Yoshihiro 2537.05
4 White Win JPN Hiwatashi Kikuma 1886.92
5 Black Win JPN Sato Kiyotomi 2398.85
6 Black Loss JPN Yamaguchi Yusui 2652.41
7 White Loss JPN Oosumi Yuuki 2555.92
8 White Win JPN Isobe Taizan 2435.85
9 White Win JPN Matsuura Hiroshi 2301.49
World Championship 2007, AT
Date 2007-08-15 Rating 2631.75
Round Color Result Opponent
1 White Draw RRA Savrasova Yulia 2695.65
2 White Win JPN Iio Yoshihiro 2538.67
3 Black Win EST Oll Aivo 2654.92
4 White Draw SWE Karlsson Stefan 2612.18
5 White Loss JPN Yamaguchi Yusui 2655.64
6 White Loss CHN Wu Di 2704.01
7 Black Loss EST Taimla Tunnet 2760.88
8 White Loss RRA Chingin Konstantin 2798.16
9 Black Loss RRA Sushkov Vladimir 2757.94
10 Black Draw RRA Kozhin Mikhail 2594.37
11 White Loss EST Purk Andry 2634.13
World Championship 2007, QT
Date 2007-08-08 Rating 2630.96
Round Color Result Opponent
1 White Win SWE Eriksson Marcus 2303.10
2 White Win FIN Ikonen Jussi 2263.54
3 Black Draw JPN Iio Yoshihiro 2539.34
4 Black Win JPN Oosumi Yuuki 2547.99
5 Black Win TPE Lin Huang-Yu 2522.76
6 Black Draw ARM Poghosyan Albert 2390.37
7 White Loss CHN Wu Di 2702.05
24th Kanto Championship Tournament
Date 2007-05-06 Rating 2618.79
Round Color Result Opponent
1 Black Win JPN Iwano Fumio 2158.05
2 White Win JPN Kubo Izumi 2100.28
3 Black Win JPN Sato Kiyotomi 2420.69
4 White Win JPN Isobe Taizan 2430.96
5 Black Win JPN Kudomi Takahiro 2334.99
The 5th Shanghai Renju Meijin Invitation Tournament
Date 2007-05-03 Rating 2618.14
Round Color Result Opponent
1 Black Loss JPN Yamaguchi Yusui 2645.77
2 Black Win CHN Ge Chongyu 2391.59
3 Black Loss CHN Cao Dong 2627.10
SF1 Black Win JPN Mitsumori Masao 2270.26
SF2 Black Draw JPN Isobe Taizan 2430.95
SF3 Black Loss CHN Zhu Jianfeng 2516.55
SF4 White Draw CHN Zhang Yifeng 2381.77
7th Kanto Renju Emperor Tournament - Final
Date 2007-02-25 Rating 2617.11
Round Color Result Opponent
1 Black Loss JPN Nakamura Shigeru 2850.06
2 Black Draw JPN Nakamura Shigeru 2850.06
3 Black Draw JPN Nakamura Shigeru 2850.06
The 7th Kanto Renju Emperor Tournament, 2nd round
Date 2006-12-10 Rating 2612.69
Round Color Result Opponent
White Win JPN Hara Masao 2084.98
White Win JPN Kudomi Takahiro 2297.19
White Win JPN Nagao Noriaki 2243.80
White Win JPN Sato Kiyotomi 2433.45
Black Loss JPN Nakamura Shigeru 2851.39
38th Kyoto Classified - Special class
Date 2006-11-12 Rating 2609.98
Round Color Result Opponent
1 White Win JPN Miyagawa Junzo 2274.25
2 Black Win JPN Miyoshi Takeo 2282.81
3 White Win JPN Miyagawa Sou 2175.73
4 Black Win JPN Takashima Junya 2505.38
5 White Draw JPN Oosumi Yuuki 2474.00
The 44th Meijin-sen Tournament
Date 2006-09-18 Rating 2601.60
Round Color Result Opponent
1 Black Loss JPN Yamaguchi Yusui 2637.89
2 Black Win JPN Iio Yoshihiro 2512.35
3 Black Win JPN Nagao Noriaki 2242.78
4 White Draw JPN Fujii Naoki 2136.89
5 Black Loss JPN Kawamura Norihiko 2665.58
6 White Win JPN Sato Kiyotomi 2441.95
7 White Win JPN Ishitani Shin-ichi 2362.91
8 Black Draw JPN Oosumi Yuuki 2454.48
9 White Win JPN Matsuura Hiroshi 2300.21
Asian Championship 2006
Date 2006-08-15 Rating 2597.81
Round Color Result Opponent
1 White Win KOR Yoon Seong-Won 1831.57
2 White Win KOR Kim Kyu-Cheol 2001.66
3 White Loss KOR Kim Chang-Hoon 2543.33
4 White Win KOR Choi Yun Suk 2268.76
5 Black Win KOR Kim Gyu-Hyeon 2492.49
6 White Win KOR Kim Byoung-Jun 2504.70
7 White Draw JPN Yamaguchi Yusui 2635.66
8 Black Win JPN Iio Yoshihiro 2511.58
Youth World Championship 2006
Date 2006-08-08 Rating 2596.44
Round Color Result Opponent
a1 White Draw JPN Takashima Junya 2501.94
a2 Black Loss CHN Duan Ran 2351.08
a3 Black Win SWE Hallkvist Joel 2059.91
a4 White Win JPN Maruta Hiroki 1996.93
a5 White Draw CHN Zhang Cheng 2453.78
a6 Black Loss EST Lents Johann 2512.92
a7 White Win SWE Blomstedt Torbjorn 2125.72
a8 Black Draw CHN Qiu Yunfei 2525.09
23rd Kanto Championship
Date 2006-05-21 Rating 2596.09
Round Color Result Opponent
1 Black Win JPN Ono Takayuki 2299.39
2 White Win JPN Tadokoro Hosai 1934.64
3 Black Draw JPN Mitsumori Masao 2258.48
4 White Win JPN Arita Nobuyoshi 2369.22
5 White Draw JPN Yamaguchi Yusui 2637.46
Team World Championship 2006
Date 2006-05-05 Rating 2595.89
Round Color Result Opponent
1 Black Draw FIN Saarenpää Samuli 2463.56
2 Black Win SWE Karlsson Stefan 2555.54
3 Black Loss EST Meritee Ando 2866.32
4 Black Win RRA Salnikov Pavel 2538.03
5 Black Win CHN Chen Wei 2542.80
6 Black Loss RRA Sushkov Vladimir 2723.94
7 Black Loss EST Ilu Timo 2572.60
F1 Black Win SWE Karlsson Stefan 2555.54
F2 Black Loss SWE Karlsson Stefan 2555.54
6th Kanto Renju Emperor Tournament - Final match
Date 2005-12-04 Rating 2594.72
Round Color Result Opponent
1 White Win JPN Yamaguchi Yusui 2603.30
2 Black Loss JPN Yamaguchi Yusui 2603.30
3 White Draw JPN Yamaguchi Yusui 2603.30
4 Black Win JPN Yamaguchi Yusui 2603.30
37th Kyoto Classified - Special class
Date 2005-11-13 Rating 2593.28
Round Color Result Opponent
1 Black Draw JPN Ishitani Shin-ichi 2393.16
2 White Win JPN Yamaguchi Yusui 2598.36
3 White Win JPN Takashima Junya 2517.27
4 White Draw JPN Iio Yoshihiro 2480.12
5 Black Draw JPN Miyoshi Takeo 2279.56
6th Kanto Renju Emperor Tournament - Semifinal
Date 2005-10-23 Rating 2591.55
Round Color Result Opponent
White Draw JPN Yamaguchi Yusui 2595.55
Black Loss JPN Isobe Taizan 2457.66
Black Win JPN Kamemoto Daichi 2180.70
Black Win JPN Sato Kiyotomi 2394.57
Black Win JPN Koyama Jun 2299.78
The 43rd Meijin-sen Tournament
Date 2005-09-19 Rating 2589.47
Round Color Result Opponent
1 Black Win JPN Oosumi Yuuki 2392.09
2 Black Loss JPN Takashima Junya 2509.70
3 Black Draw JPN Ishitani Shin-ichi 2398.70
4 White Win JPN Matsuura Hiroshi 2349.52
5 White Loss JPN Hasegawa Kazuto 2702.72
6 Black Win JPN Tanaka Koichi 2333.44
7 White Win JPN Sato Kiyotomi 2392.44
8 White Win JPN Kawate Kozo 2173.23
9 Black Win JPN Yamaguchi Yusui 2589.53
World Championship 2005, AT
Date 2005-08-07 Rating 2585.64
Round Color Result Opponent
1 Black Loss EST Purk Andry 2568.70
2 Black Loss RRA Chingin Konstantin 2736.78
3 Black Draw RRA Artemyev Sergey 2653.12
4 Black Draw EST Taimla Tunnet 2752.99
5 Black Draw SWE Karlsson Stefan 2544.30
6 White Win RRA Savrasova Yulia 2659.85
7 Black Draw SWE Hermansson Hannes 2422.21
8 Black Loss EST Meritee Ando 2851.80
9 Black Draw RRA Sushkov Vladimir 2697.64
10 Black Draw RRA Tarannikov Yuriy 2613.51
11 Black Win SWE Andersson Tord 2384.77
43rd Meijinsen Qualification: East Japan Final
Date 2005-07-11 Rating 2582.98
Round Color Result Opponent
White Loss JPN Sato Kiyotomi 2394.72
Black Draw JPN Itami Yoshiyuki 2189.49
Black Win JPN Mitsumori Masao 2275.76
43rd Meijinsen Qualification: East Japan 1st round
Date 2005-06-12 Rating 2583.37
Round Color Result Opponent
1 Black Win JPN Tanno Yoshitaka 2093.81
2 White Win JPN Ono Takayuki 2292.38
3 Black Win JPN Itami Yoshiyuki 2189.38
4 Black Loss JPN Mitsumori Masao 2273.39
22nd Kanto Championship
Date 2005-05-22 Rating 2584.93
Round Color Result Opponent
1 White Win JPN Matsuoka Teruo 1859.18
2 Black Win JPN Kamemoto Daichi 2132.14
3 Black Win JPN Yamaguchi Yusui 2562.24
4 White Win JPN Kawamura Norihiko 2692.37
5 Black Draw JPN Isobe Taizan 2465.98
Japan WC Qualification tournament
Date 2005-04-03 Rating 2582.93
Round Color Result Opponent
1 White Win JPN Arita Nobuyoshi 2302.09
2 Black Win JPN Miyagawa Junzo 2253.59
3 Black Loss JPN Isobe Taizan 2463.21
4 Black Draw JPN Ono Takayuki 2295.75
5 White Win JPN Oosumi Yuuki 2369.95
6 White Win JPN Matsuura Hiroshi 2389.38
5th Kanto Renju Emperor Tournament - Final
Date 2005-01-30 Rating 2582.01
Round Color Result Opponent
1 White Win JPN Yamaguchi Yusui 2561.21
2 Black Win JPN Yamaguchi Yusui 2561.21
5th Kanto Renju Emperor Tournament - 2nd round
Date 2004-12-19 Rating 2577.00
Round Color Result Opponent
White Win JPN Mitsumori Masao 2246.98
White Win JPN Kudomi Takahiro 2329.05
White Win JPN Ono Takayuki 2294.00
White Win JPN Sato Kiyotomi 2368.65
Black Loss JPN Yamaguchi Yusui 2568.44
5th Kanto Renju Emperor Tournament - 1st round
Date 2004-11-28 Rating 2574.02
Round Color Result Opponent
1 Black Win JPN Maruta Hiroki 1958.23
2 White Win JPN Nagao Noriaki 2246.32
3 Black Win JPN Arita Nobuyoshi 2280.38
4 White Draw JPN Sato Kiyotomi 2368.63
The 42nd Meijin-sen Tournament
Date 2004-09-20 Rating 2563.83
Round Color Result Opponent
1 Black Loss JPN Iio Yoshihiro 2456.77
2 Black Win JPN Sakamoto Suzan 2292.70
3 Black Draw JPN Takagawa Teiji 2336.75
4 White Draw JPN Kawamura Norihiko 2721.27
5 White Draw JPN Matsuura Hiroshi 2405.37
6 White Draw JPN Ishitani Shin-ichi 2378.16
7 White Loss JPN Saito Koji 2192.40
8 Black Win JPN Sakashita Shoichi 2205.81
9 White Loss JPN Hasegawa Kazuto 2656.63
Youth World Championship 2004
Date 2004-08-06 Rating 2567.98
Round Color Result Opponent
4 White Win RRA Lysakov Mikhail 2435.58
9 Black Win ARM Mossinyan David 2245.46
A1 White Win JPN Miyagawa Sou 2118.08
A2 White Win RRA Vershinin Pavel 2594.92
A3 White Win JPN Tamura Kazumasa 2334.84
A5 White Win EST Oll Aivo 2466.96
A6 White Win EST Ilu Timo 2531.72
A7 White Win EST Lents Johann 2553.01
A8 White Win EST Purk Andry 2438.89
A10 White Win ARM Antanyan Samvel 2218.19
A11 White Loss JPN Nagao Noriaki 2254.23
42nd Meijinsen Qualification: East Japan 2nd round
Date 2004-07-11 Rating 2564.21
Round Color Result Opponent
White Loss JPN Kawamura Norihiko 2722.23
Black Loss JPN Sato Kiyotomi 2357.23
White Win JPN Kudomi Takahiro 2328.35
4th Kanto Renju Emperor Tournament - Final
Date 2004-02-29 Rating 2557.48
Round Color Result Opponent
1 Black Draw JPN Yamaguchi Yusui 2594.46
2 Black Win JPN Yamaguchi Yusui 2594.46
3 Black Loss JPN Yamaguchi Yusui 2594.46
4 Black Loss JPN Yamaguchi Yusui 2594.46
7th Mikami Cup - Special Class
Date 2004-01-25 Rating 2556.82
Round Color Result Opponent
1 Black Draw JPN Mitsumori Masao 2261.64
2 Black Loss JPN Yamaguchi Yusui 2595.34
4 White Win JPN Kudomi Takahiro 2323.07
4th Kanto Renju Emperor Tournament - 2nd round
Date 2003-11-30 Rating 2559.41
Round Color Result Opponent
White Win JPN Nagao Noriaki 2282.29
White Win JPN Mitsumori Masao 2267.47
White Win JPN Maruta Koji 2229.95
White Win JPN Isobe Taizan 2424.28
White Draw JPN Yamaguchi Yusui 2595.14
4th Kanto Renju Emperor Tournament - 1st round
Date 2003-11-16 Rating 2558.78
Round Color Result Opponent
1 Black Win JPN Sasaki Miyu 1939.84
2 White Win JPN Sato Takuma 2145.47
3 Black Win JPN Ono Takayuki 2214.46
4 White Win JPN Isobe Taizan 2423.11
41st Meijin-sen Tournament
Date 2003-09-15 Rating 2552.21
Round Color Result Opponent
1 Black Win JPN Miyagawa Junzo 2262.22
2 White Draw JPN Hasegawa Kazuto 2627.11
3 White Win JPN Ishitani Shin-ichi 2384.56
4 Black Draw JPN Takashima Junya 2342.53
5 Black Draw JPN Kudomi Takahiro 2341.65
6 Black Win JPN Isobe Taizan 2418.01
7 White Loss JPN Matsuura Hiroshi 2409.79
8 Black Win JPN Kuga Akio 2384.47
9 Black Loss JPN Iio Yoshihiro 2498.31
World Championship 2003, AT
Date 2003-08-08 Rating 2551.05
Round Color Result Opponent
1 White Loss RRA Sushkov Vladimir 2690.96
2 Black Win JPN Yamaguchi Yusui 2580.44
3 Black Draw JPN Iio Yoshihiro 2496.21
4 White Loss EST Taimla Tunnet 2710.48
5 Black Loss RRA Chingin Konstantin 2716.94
6 Black Loss EST Meritee Ando 2803.06
7 Black Win RRA Sinyov Igor 2557.45
8 White Win SWE Karlsson Stefan 2559.21
9 Black Win SWE Gaulitz Joachim 2408.56
10 White Win SWE Andersson Tord 2381.62
11 Black Win SWE Carlsson Martin 2429.94
41th Meijinsen Qualification: East Japan 2nd round
Date 2003-07-13 Rating 2546.40
Round Color Result Opponent
White Draw JPN Isobe Taizan 2430.28
Black Draw JPN Sato Kiyotomi 2300.81
Black Win JPN Suzuki Naoya 2318.41
41th Meijinsen Qualification: East Japan 1st round
Date 2003-06-08 Rating 2541.13
Round Color Result Opponent
1 Black Win JPN Ono Takayuki 2191.08
2 White Win JPN Nagao Noriaki 2308.51
3 Black Draw JPN Suzuki Naoya 2318.73
4 White Win JPN Sano Hiroyuki 2210.59
Japan WC Qualification 2003
Date 2003-03-22 Rating 2527.89
Round Color Result Opponent
1 Black Win JPN Nagao Noriaki 2307.89
2 Black Win JPN Unoura Hidenori 2174.96
3 Black Win JPN Isobe Taizan 2441.56
4 White Win JPN Ishitani Shin-ichi 2392.14
5 Black Win JPN Miyoshi Takeo 2243.68
34th Kyoto Classified - special class
Date 2002-11-10 Rating 2488.01
Round Color Result Opponent
1 White Loss JPN Iio Yoshihiro 2442.71
2 White Win JPN Miyagawa Junzo 2250.55
3 Black Win JPN Adachi Yasuhiro 2003.40
4 White Win JPN Doi Manabu 2106.47
5 White Loss JPN Kudomi Takahiro 2392.10
40th Meijin-sen Tournament
Date 2002-09-16 Rating 2476.51
Round Color Result Opponent
1 White Win JPN Kudomi Takahiro 2394.60
2 Black Loss JPN Isobe Taizan 2447.93
3 White Loss JPN Iio Yoshihiro 2434.08
4 Black Win JPN Ishitani Shin-ichi 2393.56
5 Black Loss JPN Yamaguchi Yusui 2591.75
6 White Win JPN Nishimura Toshio 2355.15
7 White Loss JPN Takagawa Teiji 2361.00
8 White Win JPN Matsuura Hiroshi 2314.86
9 White Loss JPN Hasegawa Kazuto 2593.02
Youth World Championship 2002
Date 2002-08-02 Rating 2472.40
Round Color Result Opponent
A1 White Win JPN Nagao Noriaki 2305.15
A2 White Win RRA Novikov Nikolay 2185.79
A3 White Loss RRA Chingin Konstantin 2658.34
A4 White Win RRA Nekrasov Denis 2369.89
A5 White Win EST Lents Johann 2431.55
A6 White Win RRA Vershinin Pavel 2460.41
A7 White Win RRA Karasyov Maxim 2481.95
A8 White Draw RRA Kazarin Mikhail 2426.11
A9 Black Loss ARM Mossinyan David 2253.69
A10 White Draw JPN Tamura Kazumasa 2261.46
A11 Black Win RRA Provorov Yury 2209.78
40th Meijinsen Qualification: East Japan 2nd round
Date 2002-07-14 Rating 2468.46
Round Color Result Opponent
White Win JPN Sunagawa Shouki 2172.66
White Win JPN Nara Hideki 2551.72
White Draw JPN Isobe Taizan 2451.35
40th Meijinsen Qualification: East Japan 1st round
Date 2002-06-02 Rating 2456.28
Round Color Result Opponent
1 Black Draw JPN Kato Yasuhiro 2098.97
2 Black Win JPN Ohno Syunzo 1995.72
3 Black Win JPN Arita Nobuyoshi 2156.81
4 White Win JPN Sunagawa Shouki 2180.63
World Championship 2001, BT
Date 2001-08-12 Rating 2370.98
Round Color Result Opponent
1 White Win AZE Dzainukov Eldar 2017.45
2 White Win LAT Gaujens Artis 2058.38
3 Black Draw RRA Nosovsky Alexander 2171.74
4 White Win UZB Khramov Andrey 2204.86
5 Black Loss SWE Carlsson Martin 2309.04
6 Black Loss SWE Henningsson Anders 2457.73
7 Black Draw JPN Miyoshi Takeo 2203.44
8 White Win JPN Sakamoto Suzan 2215.16
World Championship 2001, QT
Date 2001-08-06 Rating 2369.66
Round Color Result Opponent
1 White Draw KOR Park Jeong Ho 2305.72
2 Black Win AZE Eibatov Nizami 2362.13
3 Black Draw JPN Kusajima Masato 2393.99
4 Black Win KOR Kim Byoung-Jun 2455.21
5 Black Draw SWE Gardström Petter 2516.06
6 Black Loss JPN Nara Hideki 2542.90
7 White Loss TPE Lin Sheng-Min 2207.20
Japan WC Qualification tournament
Date 2001-03-24 Rating 2335.87
Round Color Result Opponent
1 White Draw JPN Mitsumori Masao 2299.45
2 White Loss JPN Hasegawa Kazuto 2564.58
3 White Win JPN Iwata Akihisa 2198.67
4 White Loss JPN Isobe Taizan 2443.48
5 White Draw JPN Koiso Shigemasa 2172.23
6 White Win JPN Sakamoto Suzan 2178.60
7 Black Win JPN Miyagawa Sou 1969.97
Youth World Championship 2000
Date 2000-08-04 Rating 2281.02
Round Color Result Opponent
A1 White Loss RRA Grishnin Stepan 2127.67
A3 White Loss RRA Diner Stanislav 2246.24
A4 Black Draw SWE Widman Christofher 1810.84
A5 White Win JPN Unoura Kazuhisa 1930.96
A6 Black Win SWE Fjellstrom Kristoffer 1799.60
A7 Black Loss SWE Hermansson Hannes 2343.42
A9 White Draw RRA Karasyov Maxim 2325.74
38th Meijinsen Qualification: East Japan 1st round
Date 2000-06-04 Rating 2279.24
Round Color Result Opponent
4 White Win JPN Hara Masao 2121.39
Kanto Championship
Date 2000-05-14 Rating 2277.95
Round Color Result Opponent
1 White Win JPN Nara Hideki 2567.32
2 Black Loss JPN Mitsumori Masao 2297.06
3 Black Draw JPN Omata Mitsuo 1872.36
4 Black Win JPN Hara Masao 2121.70