Hasegawa Kazuto (長谷川一人)

Place: Osaka, Japan

Birth: 1963-02-12

Rating: 2554.83, Std: 85.33, Rank: 79

First game: 1985-07-01, Last game: 2025-03-16

Top rating: 2767.33 (2007-11-24)

Games: 600, Wins: 357, Draws: 77, Losses: 166

Gy1: 18, Gy2: 40, Gy5: 95

20 Kansai Championship Final
Date	2025-03-16		Rating	2554.83
Round	Color	Result	Opponent
1	White	Draw	Tachi Masaya	2625.11
2	White	Win	Tachi Masaya	2625.11
3	White	Loss	Tachi Masaya	2625.11
4	Black	Loss	Tachi Masaya	2625.11
20 Kansai Championship 2nd round
Date	2024-12-08		Rating	2555.92
Round	Color	Result	Opponent
1	White	Loss	Makino Mitsunori	2642.85
2	White	Win	Makino Mitsunori	2642.85
3	Black	Win	Makino Mitsunori	2642.85
56 Kyoto Classified Tournament
Date	2024-11-23		Rating	2554.65
Round	Color	Result	Opponent
1	Black	Win	Horikawa Yasuto	1867.11
2	White	Loss	Tachi Masaya	2623.85
3	Black	Win	Hata Masayuki	2083.25
4	Black	Draw	Makino Mitsunori	2644.30
5	White	Win	Kawaai Hitoshi	2057.78
20 Kansai Championship 1st round
Date	2024-11-17		Rating	2554.23
Round	Color	Result	Opponent
1	White	Win	Yoshida Hisao	2221.06
2	White	Loss	Yoshida Hisao	2221.06
3	White	Win	Yoshida Hisao	2221.06
62 Meijinsen Tournament Kansai area 2nd round
Date	2024-06-16		Rating	2554.04
Round	Color	Result	Opponent
1	Black	Loss	Tachi Masaya	2622.44
2	White	Loss	Makino Mitsunori	2641.96
3	White	Win	Yoshida Hisao	2201.54
19 Kansai Championship 2nd round
Date	2024-02-18		Rating	2562.66
Round	Color	Result	Opponent
1	Black	Win	Yoshida Hisao	2190.03
3	White	Loss	Tachi Masaya	2615.72
55 Kyoto Classified Tournament
Date	2023-11-11		Rating	2573.35
Round	Color	Result	Opponent
1	Black	Loss	Makino Mitsunori	2632.57
2	Black	Win	Hata Masayuki	2083.78
3	Black	Win	Tanaka Shotaro	2305.04
4	White	Win	Tachi Masaya	2604.16
5	White	Win	Ishitani Shin-ichi	2400.41
61st Meijinsen Tournament
Date	2023-09-18		Rating	2575.39
Round	Color	Result	Opponent
1	White	Win	Tachi Masaya	2593.76
2	White	Loss	Fujita Maiko	2408.29
3	Black	Draw	Nakayama Tomoharu	2773.25
4	White	Loss	Kawano Takahisa	2530.82
5	Black	Draw	Makino Mitsunori	2626.32
6	Black	Win	Maruyama Yasushi	2256.92
7	White	Loss	Matsuda Shoma	2379.25
8	White	Draw	Okabe Hiroshi	2712.88
9	White	Win	Yamane Tomohiro	2090.39
2nd Masters Renju Tournament
Date	2023-04-23		Rating	2594.19
Round	Color	Result	Opponent
2	White	Win	Tomobe Katsuhiro	2077.79
3	Black	Win	Yamamoto Yasuhiro	2150.58
4	White	Draw	Ishitani Shin-ichi	2372.34
5	White	Win	Takazawa Nagayoshi	2289.22
6	Black	Win	Iwano Fumio	2212.15
7	White	Win	Miyamoto Syunju	2280.10
18th Kansai Championship Final
Date	2023-03-30		Rating	2596.64
Round	Color	Result	Opponent
1	White	Win	Makino Mitsunori	2622.39
2	Black	Loss	Makino Mitsunori	2622.39
3	Black	Loss	Makino Mitsunori	2622.39
54 Kyoto Classified Tournament
Date	2022-11-12		Rating	2616.65
Round	Color	Result	Opponent
S2	Black	Win	Inoue Fumiya	2520.05
S3	White	Win	Sakamoto Suzan	2222.21
S4	White	Win	Makino Mitsunori	2628.57
S5	White	Win	Ishitani Shin-ichi	2366.68
60th Meijinsen Tournament
Date	2022-09-19		Rating	2617.48
Round	Color	Result	Opponent
1	Black	Win	Nagasoe Hiroki	2651.83
2	White	Win	Ishitani Shin-ichi	2356.91
3	Black	Win	Miyamoto Syunju	2247.62
4	Black	Win	Kawamoto Shoma	2318.12
5	Black	Draw	Nakayama Tomoharu	2799.35
6	White	Loss	Okabe Hiroshi	2694.44
7	White	Win	Makino Mitsunori	2627.98
8	White	Win	Ono Takayuki	2413.50
9	White	Draw	Kuga Akio	2389.43
60th Meijinsen Qualification Kansai area 2nd round
Date	2022-06-19		Rating	2605.59
Round	Color	Result	Opponent
1	Black	Win	Tanaka Shotaro	2302.06
2	Black	Win	Tachi Masaya	2504.42
3	White	Win	Makino Mitsunori	2619.95
60th Meijinsen Tournament Kansai area 1st round
Date	2022-05-15		Rating	2597.07
Round	Color	Result	Opponent
1	White	Win	Kito Shinichi	2181.48
2	White	Win	Tachi Masaya	2505.48
4	White	Loss	Makino Mitsunori	2617.06
5	White	Win	Tanaka Shotaro	2297.47
17th Kansai Championship Final
Date	2022-03-17		Rating	2581.83
Round	Color	Result	Opponent
1	Black	Loss	Makino Mitsunori	2612.00
2	White	Loss	Makino Mitsunori	2612.00
59th Meijinsen Tournament
Date	2022-01-10		Rating	2571.47
Round	Color	Result	Opponent
1	Black	Win	Hayashi Shoichi	2152.63
2	White	Loss	Iio Yoshihiro	2396.56
3	White	Loss	Nagasoe Hiroki	2653.10
4	Black	Win	Maruyama Yasushi	2269.41
5	Black	Loss	Ono Takayuki	2416.97
6	Black	Win	Maruta Hiroki	2243.32
7	White	Loss	Kamiya Shunsuke	2853.84
8	Black	Draw	Okabe Hiroshi	2698.69
9	Black	Draw	Nakayama Tomoharu	2819.05
53 Kyoto Classified Tournament
Date	2021-11-13		Rating	2569.75
Round	Color	Result	Opponent
S1	White	Win	Hata Masayuki	2140.28
S2	White	Loss	Maruta Hiroki	2259.44
S3	Black	Loss	Fujita Maiko	2367.38
S4	White	Win	Hayashi Shoichi	2155.49
S5	Black	Win	Iio Yoshihiro	2392.73
59 Meijinsen Qualification Kansai area 2nd round
Date	2021-07-18		Rating	2581.87
Round	Color	Result	Opponent
1	Black	Win	Iio Yoshihiro	2395.16
2	Black	Win	Hayashi Shoichi	2169.17
3	White	Win	Makino Mitsunori	2566.71
59 Meijinsen Qualification Kansai area 1st round
Date	2021-06-20		Rating	2582.20
Round	Color	Result	Opponent
1	White	Win	Hata Masayuki	2144.49
2	White	Win	Tanaka Shotaro	2269.91
3	Black	Draw	Iio Yoshihiro	2395.04
4	White	Win	Hayashi Shoichi	2170.47
16 Kansai Championship final match
Date	2021-04-11		Rating	2582.60
Round	Color	Result	Opponent
1	Black	Win	Makino Mitsunori	2565.80
2	Black	Loss	Makino Mitsunori	2565.80
3	Black	Loss	Makino Mitsunori	2565.80
15 Kansai Championship final match
Date	2020-10-18		Rating	2594.72
Round	Color	Result	Opponent
1	Black	Win	Makino Mitsunori	2529.12
2	White	Draw	Makino Mitsunori	2529.12
3	White	Win	Makino Mitsunori	2529.12
58 Meijinsen Qualification Kansai area 2nd round
Date	2020-07-19		Rating	2593.74
Round	Color	Result	Opponent
1	White	Win	Kito Shinichi	2169.75
2	Black	Loss	Makino Mitsunori	2490.09
3	Black	Draw	Tachi Masaya	2492.21
51 Kyoto Classified Tournament
Date	2019-11-04		Rating	2611.22
Round	Color	Result	Opponent
S1	White	Win	Kawano Takahisa	2453.33
S2	White	Draw	Kawamura Norihiko	2673.05
S3	Black	Draw	Tanaka Toshiki	2484.34
S4	Black	Win	Iio Yoshihiro	2405.82
S5	White	Win	Ozawa Tetsushi	1963.02
57 Meijinsen Tournament
Date	2019-09-16		Rating	2612.05
Round	Color	Result	Opponent
1	Black	Loss	Nakayama Tomoharu	2824.25
2	White	Win	Kawano Takahisa	2454.54
3	White	Loss	Kamiya Shunsuke	2821.74
4	Black	Win	Kawamura Norihiko	2672.12
5	White	Loss	Okabe Hiroshi	2723.79
6	Black	Win	Inoue Fumiya	2416.90
7	Black	Win	Koyama Jun	2606.48
8	White	Win	Ishitani Shin-ichi	2381.99
9	White	Win	Matsuura Hiroshi	2367.90
14 Kansai Championship final match R3
Date	2019-08-19		Rating	2608.74
Round	Color	Result	Opponent
3	White	Win	Iio Yoshihiro	2420.42
57 Meijinsen Qualification Kansai area 2nd round
Date	2019-06-16		Rating	2599.38
Round	Color	Result	Opponent
1	White	Loss	Tachi Masaya	2520.06
2	Black	Win	Kashihara Akihiko	2373.79
3	Black	Loss	Kawamura Norihiko	2680.38
ex1	Black	Draw	Tachi Masaya	2520.06
ex2	Black	Win	Tachi Masaya	2520.06
57 Meijinsen Qualification Kansai area 1st round
Date	2019-05-19		Rating	2596.86
Round	Color	Result	Opponent
1	White	Win	Hayashi Shoichi	2163.00
2	Black	Win	Iio Yoshihiro	2440.44
3	Black	Loss	Kawamura Norihiko	2680.36
4	Black	Win	Tanaka Toshiki	2483.66
14 Kansai Championship final match
Date	2019-05-06		Rating	2595.22
Round	Color	Result	Opponent
1	Black	Win	Iio Yoshihiro	2443.18
2	White	Loss	Iio Yoshihiro	2443.18
14 Kansai Championship 2nd round
Date	2019-02-17		Rating	2588.96
Round	Color	Result	Opponent
1	Black	Win	Masuda Yuuto	1844.13
2	Black	Win	Hayashi Shoichi	2152.40
50 Kyoto Classified Tournament
Date	2018-11-11		Rating	2580.13
Round	Color	Result	Opponent
1	Black	Loss	Tanaka Toshiki	2499.03
2	White	Win	Sakamoto Suzan	2286.95
3	White	Win	Fujita Maiko	2249.61
4	Black	Win	Ishitani Shin-ichi	2421.02
5	White	Win	Hata Masayuki	2177.11
14 Kansai Championship 1st round
Date	2018-10-21		Rating	2578.13
Round	Color	Result	Opponent
1	Black	Win	Kito Shinichi	2179.91
2	Black	Win	Hayashi Shoichi	2137.72
3	Black	Win	Sakamoto Suzan	2287.79
4	White	Loss	Masuda Yuuto	1849.07
5	White	Win	Sakamoto Ryuto	1991.84
56 Meijinsen Tournament
Date	2018-09-17		Rating	2577.26
Round	Color	Result	Opponent
1	Black	Loss	Okabe Hiroshi	2700.37
2	White	Loss	Nakamura Shigeru	2998.30
3	White	Loss	Ishitani Shin-ichi	2427.57
4	Black	Win	Kawamura Norihiko	2658.99
5	White	Loss	Kamiya Shunsuke	2797.63
7	White	Win	Kuga Akio	2419.79
8	White	Win	Matsuura Hiroshi	2356.74
9	Black	Loss	Koyama Jun	2570.97
56 Meijinsen Qualification Kansai area 2nd round
Date	2018-06-17		Rating	2582.28
Round	Color	Result	Opponent
1	Black	Draw	Kawamura Norihiko	2666.83
2	White	Draw	Tachi Masaya	2548.49
3	White	Win	Iio Yoshihiro	2498.79
13 Kansai Championship 2nd round
Date	2018-02-18		Rating	2582.79
Round	Color	Result	Opponent
1	Black	Loss	Iio Yoshihiro	2534.91
2	White	Win	Matsui Tsunehiro	2171.79
3	White	Loss	Tachi Masaya	2555.36
49 Kyoto Classified Tournament
Date	2017-11-12		Rating	2594.34
Round	Color	Result	Opponent
S1	Black	Win	Hata Masayuki	2193.97
S2	Black	Loss	Iio Yoshihiro	2543.81
S3	Black	Win	Ishitani Shin-ichi	2394.45
S4	White	Win	Kawamura Norihiko	2660.46
S5	Black	Win	Nishida Toshio	2064.12
55 Meijinsen Tournament
Date	2017-09-18		Rating	2598.38
Round	Color	Result	Opponent
1	Black	Win	Kawano Takahisa	2434.44
2	White	Win	Tamada Yoichi	2510.51
3	Black	Win	Maruyama Yasushi	2282.22
4	Black	Draw	Sato Kiyotomi	2450.80
5	Black	Win	Matsuura Hiroshi	2341.46
6	White	Loss	Iio Yoshihiro	2548.70
7	White	Loss	Kamiya Shunsuke	2810.26
8	Black	Loss	Okabe Hiroshi	2721.67
9	Black	Loss	Nakayama Tomoharu	2843.85
55 Meijinsen Qualification Kansai area 2nd round
Date	2017-06-18		Rating	2610.71
Round	Color	Result	Opponent
1	Black	Win	Kawamura Norihiko	2642.66
2	White	Loss	Tachi Masaya	2537.88
3	Black	Loss	Iio Yoshihiro	2555.61
ex	Black	Win	Kawamura Norihiko	2642.66
12 Kansai Championship final match
Date	2017-03-19		Rating	2623.81
Round	Color	Result	Opponent
1	White	Loss	Oosumi Yuuki	2711.40
2	Black	Win	Oosumi Yuuki	2711.40
3	White	Loss	Oosumi Yuuki	2711.40
12 Kansai Championship 2nd round
Date	2017-02-19		Rating	2628.25
Round	Color	Result	Opponent
2	Black	Draw	Iio Yoshihiro	2548.24
3	Black	Win	Sakamoto Suzan	2271.76
ex	Black	Win	Iio Yoshihiro	2548.24
48 Kyoto Classified Tournament
Date	2016-11-13		Rating	2639.56
Round	Color	Result	Opponent
SS1	Black	Win	Hata Masayuki	2200.73
SS2	White	Win	Okabe Hiroshi	2712.58
SS3	Black	Win	Kawamura Norihiko	2629.28
SS4	White	Win	Iio Yoshihiro	2554.86
12 Kansai Championship 1st round
Date	2016-10-23		Rating	2638.38
Round	Color	Result	Opponent
2	White	Win	Kubo Izumi	2129.56
3	Black	Loss	Sakamoto Suzan	2277.31
54 Meijinsen Tournament
Date	2016-09-19		Rating	2639.64
Round	Color	Result	Opponent
1	White	Loss	Kamiya Shunsuke	2760.13
2	Black	Draw	Tanaka Toshiki	2443.38
3	Black	Draw	Koyama Jun	2618.83
4	White	Win	Matsuura Hiroshi	2362.60
5	Black	Loss	Nakayama Tomoharu	2777.76
6	Black	Win	Maruyama Yasushi	2291.19
7	Black	Loss	Okabe Hiroshi	2718.16
8	Black	Win	Iio Yoshihiro	2561.31
9	Black	Win	Kuga Akio	2364.13
53 Meijinsen Match R3
Date	2015-11-14		Rating	2667.38
Round	Color	Result	Opponent
3	Black	Loss	Nakamura Shigeru	2921.63
47 Kyoto Classified Tournament
Date	2015-11-08		Rating	2668.04
Round	Color	Result	Opponent
S1	White	Win	Ishitani Shin-ichi	2394.79
S2	White	Loss	Okabe Hiroshi	2717.02
S3	Black	Win	Tachi Masaya	2471.56
S4	Black	Win	Mano Yoshihisa	2360.61
S5	Black	Draw	Epifanov Dmitry	2716.07
53 Meijinsen Match R1,2
Date	2015-10-11		Rating	2670.51
Round	Color	Result	Opponent
1	White	Loss	Nakamura Shigeru	2918.10
2	Black	Loss	Nakamura Shigeru	2918.10
53 Meijinsen Tournament
Date	2015-09-22		Rating	2673.00
Round	Color	Result	Opponent
1	White	Win	Koyama Jun	2635.74
2	White	Win	Okabe Hiroshi	2718.08
3	Black	Loss	Oosumi Yuuki	2773.53
4	White	Win	Ishitani Shin-ichi	2392.78
5	White	Win	Matsuura Hiroshi	2399.91
6	White	Draw	Nakayama Tomoharu	2769.68
7	White	Draw	Tamada Yoichi	2583.16
8	White	Win	Kawamura Norihiko	2623.77
9	White	Win	Iio Yoshihiro	2532.05
53 Meijinsen Qualification Kansai area 2nd round
Date	2015-06-21		Rating	2667.26
Round	Color	Result	Opponent
1	Black	Win	Koiso Shigemasa	2182.49
2	Black	Win	Iio Yoshihiro	2525.64
3	White	Loss	Kawamura Norihiko	2639.47
52 Meijinsen Tournament
Date	2014-09-15		Rating	2655.49
Round	Color	Result	Opponent
1	White	Win	Iio Yoshihiro	2511.06
2	Black	Win	Kashihara Akihiko	2344.83
3	Black	Loss	Nakayama Tomoharu	2720.63
4	Black	Win	Sato Kiyotomi	2484.71
5	White	Draw	Tamada Yoichi	2565.09
6	Black	Win	Fukui Nobuhiro	2615.09
7	White	Loss	Oosumi Yuuki	2827.44
8	Black	Draw	Okabe Hiroshi	2749.12
9	White	Win	Matsuura Hiroshi	2352.96
9th Kansai Championship 2nd round
Date	2014-02-16		Rating	2631.66
Round	Color	Result	Opponent
2	White	Win	Sakamoto Suzan	2301.58
3	White	Loss	Iio Yoshihiro	2549.56
45 Kyoto Classified Tournament
Date	2013-11-10		Rating	2625.89
Round	Color	Result	Opponent
S1	Black	Win	Doi Manabu	2068.77
S2	Black	Win	Iio Yoshihiro	2533.08
S3	White	Loss	Oosumi Yuuki	2840.26
S4	White	Loss	Okabe Hiroshi	2758.85
S5	White	Win	Sandstrom Richard	2381.90
51 Meijinsen Tournament
Date	2013-09-16		Rating	2622.27
Round	Color	Result	Opponent
1	White	Win	Mano Yoshihisa	2316.19
2	Black	Win	Kamiya Shunsuke	2559.31
3	Black	Draw	Oosumi Yuuki	2845.73
4	White	Loss	Okabe Hiroshi	2754.54
5	White	Win	Kawate Kozo	2193.56
6	Black	Win	Yamaguchi Yusui	2591.76
7	Black	Draw	Hata Masayuki	2257.87
8	Black	Win	Kawano Takahisa	2370.17
9	Black	Loss	Sato Kiyotomi	2471.53
51 Meijinsen Qualification Kansai area 2nd round
Date	2013-06-16		Rating	2614.66
Round	Color	Result	Opponent
1	Black	Win	Matsui Tsunehiro	2186.06
2	Black	Win	Iio Yoshihiro	2494.74
3	White	Win	Hata Masayuki	2269.86
8th Kansai Championship final match
Date	2013-05-12		Rating	2609.70
Round	Color	Result	Opponent
1	White	Loss	Oosumi Yuuki	2847.24
2	Black	Loss	Oosumi Yuuki	2847.24
8th Kansai Championship 2nd round
Date	2013-02-17		Rating	2601.57
Round	Color	Result	Opponent
1	Black	Loss	Miyagawa Junzo	2218.26
2	Black	Win	Takahashi Roi	2180.41
3	Black	Win	Iio Yoshihiro	2480.69
ex	Black	Win	Iio Yoshihiro	2480.69
44 Kyoto Classified Tournament
Date	2012-11-11		Rating	2593.76
Round	Color	Result	Opponent
S1	White	Win	Tamura Kazumasa	2527.91
S2	Black	Draw	Okabe Hiroshi	2713.83
S3	White	Win	Ishitani Shin-ichi	2362.91
S4	Black	Draw	Oosumi Yuuki	2827.01
S5	Black	Win	Fukui Nobuhiro	2554.60
8th Kansai Championship 1st round
Date	2012-10-08		Rating	2585.31
Round	Color	Result	Opponent
1	Black	Win	Koiso Shigemasa	2169.44
2	Black	Win	Takahashi Roi	2172.71
3	Black	Win	Iio Yoshihiro	2470.94
4	Black	Loss	Kon Akira	1991.13
5	Black	Loss	Miyagawa Junzo	2215.60
50th Meijinsen Tournament
Date	2012-09-17		Rating	2583.25
Round	Color	Result	Opponent
1	Black	Draw	Yamaguchi Yusui	2653.69
2	Black	Win	Ono Takayuki	2430.26
3	Black	Win	Matsuura Hiroshi	2329.10
4	Black	Loss	Fukui Nobuhiro	2542.87
5	Black	Win	Nagasoe Hiroki	2549.88
6	White	Win	Nakayama Tomoharu	2625.83
7	Black	Loss	Nakamura Shigeru	2881.50
8	White	Loss	Iio Yoshihiro	2470.14
9	Black	Loss	Okabe Hiroshi	2710.89
50 Meijinsen Qualification Kansai area 2nd round
Date	2012-06-17		Rating	2575.22
Round	Color	Result	Opponent
1	Black	Win	Kise Katsumi	2546.84
2	Black	Win	Sakamoto Suzan	2336.84
3	White	Loss	Iio Yoshihiro	2478.97
43 Kyoto Classified Tournament
Date	2011-11-13		Rating	2555.62
Round	Color	Result	Opponent
S1	White	Loss	Okabe Hiroshi	2706.71
S2	Black	Loss	Miyoshi Takeo	2165.16
S3	White	Win	Doi Manabu	2109.88
S4	White	Win	Hata Masayuki	2233.06
S5	Black	Loss	Oosumi Yuuki	2775.46
49th Meijinsen Tournament
Date	2011-09-19		Rating	2558.07
Round	Color	Result	Opponent
1	White	Loss	Nakayama Tomoharu	2580.00
2	Black	Draw	Yamaguchi Yusui	2653.88
3	Black	Win	Kashihara Akihiko	2258.60
4	Black	Draw	Miyoshi Takeo	2160.44
5	White	Draw	Iio Yoshihiro	2493.89
6	Black	Win	Sakashita Shoichi	2145.56
7	Black	Draw	Kubo Izumi	2112.56
8	Black	Loss	Okabe Hiroshi	2707.00
9	White	Draw	Matsuura Hiroshi	2381.24
6th All Japan Championship
Date	2011-03-27		Rating	2596.37
Round	Color	Result	Opponent
1	White	Win	Koiso Shigemasa	2164.42
2	White	Win	Sato Kiyotomi	2400.10
3	Black	Draw	Iio Yoshihiro	2511.14
4	White	Loss	Kise Katsumi	2533.02
5	White	Win	Maruta Hiroki	2122.77
6	Black	Win	Ozawa Tetsushi	2094.46
48 Meijinsen Match R3,R4,R5
Date	2010-12-26		Rating	2618.95
Round	Color	Result	Opponent
3	Black	Loss	Oosumi Yuuki	2730.86
4	White	Draw	Oosumi Yuuki	2730.86
5	White	Loss	Oosumi Yuuki	2730.86
42 Kyoto Classified Tournament
Date	2010-11-14		Rating	2631.86
Round	Color	Result	Opponent
S1	White	Win	Miyagawa Junzo	2223.91
S2	White	Win	Kudomi Takahiro	2412.70
S3	White	Draw	Oosumi Yuuki	2720.73
S4	Black	Loss	Okabe Hiroshi	2696.00
S5	Black	Win	Kubo Izumi	2104.36
48 Meijinsen Match R1,R2
Date	2010-10-17		Rating	2640.25
Round	Color	Result	Opponent
1	Black	Loss	Oosumi Yuuki	2711.61
2	White	Win	Oosumi Yuuki	2711.61
Team World Championship 2010
Date	2010-05-05		Rating	2685.97
Round	Color	Result	Opponent
1	White	Win	Tamura Kazumasa	2510.92
2	Black	Win	Mirme Madli	2211.18
3	White	Draw	Cao Dong	2717.84
4	Black	Draw	Lu Wei-Yuan	2494.81
5	White	Win	Karasyov Maxim	2659.78
7	Black	Win	Oll Aivo	2725.06
8	White	Win	Lu Wei-Yuan	2494.81
9	Black	Draw	Cao Dong	2717.84
10	Black	Draw	Oll Aivo	2725.06
5th Kansai Championship 3rd round
Date	2010-02-14		Rating	2694.86
Round	Color	Result	Opponent
1	White	Win	Sagara Takashi	2482.86
2	Black	Loss	Iio Yoshihiro	2529.31
3	Black	Win	Hata Masayuki	2150.07
47 Meijinsen Match R3,R4
Date	2009-11-22		Rating	2708.41
Round	Color	Result	Opponent
3	Black	Loss	Kawamura Norihiko	2618.31
4	Black	Win	Kawamura Norihiko	2618.31
40th Kyoto Classified - Special class
Date	2009-11-09		Rating	2710.88
Round	Color	Result	Opponent
1	Black	Win	Tamura Kazumasa	2509.13
2	White	Win	Miyagawa Junzo	2199.56
3	Black	Win	Oosumi Yuuki	2630.10
4	White	Win	Iio Yoshihiro	2520.27
5	Black	Win	Sakamoto Suzan	2322.60
41 Kyoto Classified Tournament
Date	2009-11-08		Rating	2710.95
Round	Color	Result	Opponent
S1	White	Win	Iio Yoshihiro	2520.19
S2	Black	Win	Matsuo Yoshihiro	2046.55
S3	White	Draw	Tamura Kazumasa	2509.15
S4	Black	Win	Okumura Toyohiko	2330.46
S5	Black	Win	Miyoshi Takeo	2156.33
47 Meijinsen Match R1,R2
Date	2009-10-18		Rating	2712.20
Round	Color	Result	Opponent
1	White	Win	Kawamura Norihiko	2626.31
2	White	Draw	Kawamura Norihiko	2626.31
4th Kansai Championship, final match
Date	2009-03-15		Rating	2718.89
Round	Color	Result	Opponent
1	White	Loss	Oosumi Yuuki	2610.46
2	White	Loss	Oosumi Yuuki	2610.46
46 Meijinsen Match R3-R4
Date	2008-11-23		Rating	2738.55
Round	Color	Result	Opponent
3	White	Win	Okabe Hiroshi	2682.04
46 Meijinsen Match R1-R2
Date	2008-10-19		Rating	2743.06
Round	Color	Result	Opponent
1	Black	Draw	Okabe Hiroshi	2685.90
2	White	Win	Okabe Hiroshi	2685.90
3rd Kansai Championship final match
Date	2008-03-16		Rating	2762.91
Round	Color	Result	Opponent
1	Black	Win	Oosumi Yuuki	2558.73
2	Black	Win	Oosumi Yuuki	2558.73
The 45th Meijin-sen Match
Date	2007-11-24		Rating	2767.33
Round	Color	Result	Opponent
1	Black	Win	Yamaguchi Yusui	2635.74
2	Black	Draw	Yamaguchi Yusui	2635.74
3	Black	Win	Yamaguchi Yusui	2635.74
39th Kyoto Classified - Special Class
Date	2007-11-11		Rating	2767.17
Round	Color	Result	Opponent
1	Black	Win	Miyagawa Junzo	2265.75
2	White	Win	Iio Yoshihiro	2533.82
3	White	Draw	Okabe Hiroshi	2652.40
4	White	Win	Tamura Kazumasa	2409.01
5	Black	Win	Oosumi Yuuki	2558.26
2nd Kansai Championship, Final Match
Date	2007-03-18		Rating	2752.63
Round	Color	Result	Opponent
1	Black	Win	Iio Yoshihiro	2520.92
2	White	Win	Iio Yoshihiro	2520.92
The 44th Meijin-sen Match
Date	2006-11-26		Rating	2740.59
Round	Color	Result	Opponent
1	Black	Win	Kawamura Norihiko	2654.79
2	Black	Win	Kawamura Norihiko	2654.79
3	White	Draw	Kawamura Norihiko	2654.79
38th Kyoto Classified - Special class
Date	2006-11-12		Rating	2738.10
Round	Color	Result	Opponent
1	White	Win	Adachi Yasuhiro	2056.27
2	White	Loss	Oosumi Yuuki	2473.71
3	White	Win	Okumura Toyohiko	2286.72
4	Black	Draw	Iio Yoshihiro	2513.15
5	White	Win	Doi Manabu	2137.63
1st Kansai Championship final match
Date	2006-02-12		Rating	2719.36
Round	Color	Result	Opponent
1	Black	Win	Takashima Junya	2512.36
2	Black	Loss	Takashima Junya	2512.36
3	Black	Win	Takashima Junya	2512.36
The 43rd Meijin-sen Match
Date	2006-01-28		Rating	2718.84
Round	Color	Result	Opponent
1	Black	Win	Kawamura Norihiko	2666.79
2	Black	Loss	Kawamura Norihiko	2666.79
3	White	Win	Kawamura Norihiko	2666.79
4	Black	Draw	Kawamura Norihiko	2666.79
5	White	Win	Kawamura Norihiko	2666.79
1st Kansai Championship 3rd round
Date	2006-01-08		Rating	2716.74
Round	Color	Result	Opponent
1	Black	Win	Sakamoto Suzan	2284.69
2	White	Win	Takashima Junya	2515.20
3	Black	Win	Sagara Takashi	2491.55
37th Kyoto Classified - Special class
Date	2005-11-13		Rating	2707.56
Round	Color	Result	Opponent
1	Black	Win	Kudomi Takahiro	2280.90
2	Black	Loss	Takashima Junya	2517.02
3	Black	Win	Matsuo Yoshihiro	2004.64
4	White	Win	Hata Masayuki	2217.58
5	Black	Win	Iio Yoshihiro	2479.67
1st Kansai Championship 2nd round
Date	2005-10-16		Rating	2704.17
Round	Color	Result	Opponent
1	Black	Loss	Takashima Junya	2513.98
2	Black	Win	Adachi Yasuhiro	2046.17
3	Black	Win	Miyagawa Junzo	2250.72
4	White	Win	Iio Yoshihiro	2475.31
The 43rd Meijin-sen Tournament
Date	2005-09-19		Rating	2702.24
Round	Color	Result	Opponent
1	Black	Win	Kawate Kozo	2172.87
2	Black	Loss	Yamaguchi Yusui	2589.15
3	Black	Win	Takashima Junya	2509.42
4	White	Win	Tanaka Koichi	2332.86
5	Black	Win	Okabe Hiroshi	2589.08
6	Black	Win	Ishitani Shin-ichi	2398.21
7	Black	Win	Oosumi Yuuki	2391.69
8	Black	Win	Sato Kiyotomi	2392.02
9	White	Win	Matsuura Hiroshi	2349.04
36th Kyoto Classified - Special Class
Date	2004-11-14		Rating	2658.35
Round	Color	Result	Opponent
1	White	Win	Iwata Akihisa	2174.11
2	White	Loss	Miyagawa Junzo	2257.53
3	White	Win	Miyoshi Takeo	2255.90
4	Black	Win	Kudomi Takahiro	2333.73
5	Black	Draw	Iio Yoshihiro	2457.20
The 42nd Meijin-sen Tournament
Date	2004-09-20		Rating	2655.98
Round	Color	Result	Opponent
1	White	Win	Ishitani Shin-ichi	2377.47
2	Black	Draw	Sakashita Shoichi	2205.12
3	Black	Loss	Kawamura Norihiko	2720.61
4	Black	Win	Matsuura Hiroshi	2404.75
5	Black	Win	Iio Yoshihiro	2456.05
6	Black	Win	Sakamoto Suzan	2292.01
7	Black	Win	Takagawa Teiji	2336.04
8	White	Win	Saito Koji	2191.81
9	Black	Win	Okabe Hiroshi	2563.16
41st Meijin-sen Match
Date	2003-12-21		Rating	2630.71
Round	Color	Result	Opponent
1	Black	Win	Yamaguchi Yusui	2595.50
2	Black	Loss	Yamaguchi Yusui	2595.50
3	Black	Win	Yamaguchi Yusui	2595.50
4	Black	Loss	Yamaguchi Yusui	2595.50
5	Black	Loss	Yamaguchi Yusui	2595.50
35th Kyoto Classified - Special Class
Date	2003-11-09		Rating	2630.35
Round	Color	Result	Opponent
1	White	Win	Doi Manabu	2086.91
2	Black	Win	Hata Masayuki	2120.94
3	White	Win	Iio Yoshihiro	2491.37
4	Black	Win	Iwata Akihisa	2207.16
5	White	Win	Miyagawa Junzo	2262.63
41st Meijin-sen Tournament
Date	2003-09-15		Rating	2626.27
Round	Color	Result	Opponent
1	Black	Win	Ishitani Shin-ichi	2383.71
2	Black	Draw	Okabe Hiroshi	2551.29
3	Black	Win	Kuga Akio	2383.76
4	Black	Loss	Kudomi Takahiro	2340.77
5	Black	Win	Iio Yoshihiro	2497.36
6	Black	Win	Takashima Junya	2342.14
7	Black	Win	Isobe Taizan	2417.38
8	Black	Win	Miyagawa Junzo	2262.85
9	Black	Win	Matsuura Hiroshi	2409.05
34th Kyoto Classified - special class
Date	2002-11-10		Rating	2586.12
Round	Color	Result	Opponent
1	White	Win	Miyoshi Takeo	2245.46
2	White	Win	Doi Manabu	2105.87
3	Black	Loss	Kudomi Takahiro	2390.97
4	Black	Loss	Iio Yoshihiro	2441.59
The 40th Meijin-sen Match
Date	2002-11-03		Rating	2586.20
Round	Color	Result	Opponent
1	Black	Loss	Yamaguchi Yusui	2590.41
2	Black	Loss	Yamaguchi Yusui	2590.41
3	Black	Win	Yamaguchi Yusui	2590.41
4	Black	Loss	Yamaguchi Yusui	2590.41
40th Meijin-sen Tournament
Date	2002-09-16		Rating	2591.93
Round	Color	Result	Opponent
1	Black	Win	Yamaguchi Yusui	2590.66
2	Black	Win	Takagawa Teiji	2359.97
3	Black	Draw	Isobe Taizan	2447.16
4	Black	Win	Nishimura Toshio	2354.09
5	Black	Win	Iio Yoshihiro	2432.92
6	Black	Draw	Kudomi Takahiro	2393.41
7	White	Win	Matsuura Hiroshi	2313.91
8	Black	Win	Ishitani Shin-ichi	2392.48
9	Black	Win	Okabe Hiroshi	2475.26
The 39th Meijin-sen Match
Date	2002-01-06		Rating	2580.35
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2796.34
2	Black	Draw	Nakamura Shigeru	2796.34
3	Black	Loss	Nakamura Shigeru	2796.34
33rd Kyoto Classified - special class
Date	2001-11-11		Rating	2578.85
Round	Color	Result	Opponent
1	White	Win	Nara Hideki	2532.64
2	White	Win	Kudomi Takahiro	2385.97
3	Black	Win	Sakamoto Suzan	2230.07
4	White	Loss	Iio Yoshihiro	2422.52
5	White	Win	Ishitani Shin-ichi	2399.68
The 39th Meijin-sen Tournament
Date	2001-09-24		Rating	2575.69
Round	Color	Result	Opponent
1	Black	Loss	Hayakawa Yoshimi	2416.49
2	White	Draw	Nara Hideki	2532.89
3	Black	Win	Maruyama Yasushi	2198.47
4	White	Win	Matsuura Hiroshi	2253.36
5	Black	Win	Nishimura Toshio	2369.86
6	Black	Win	Kudomi Takahiro	2389.82
7	Black	Win	Yamaguchi Yusui	2552.80
8	White	Loss	Takagawa Teiji	2338.94
9	Black	Win	Iio Yoshihiro	2418.24
World Championship 2001, BT
Date	2001-08-12		Rating	2573.29
Round	Color	Result	Opponent
1	Black	Win	Chung Chun-Chih	1911.68
2	White	Win	Poghosyan Albert	2336.62
3	Black	Win	Kusajima Masato	2393.01
4	Black	Win	Iio Yoshihiro	2415.21
5	Black	Win	Sakamoto Suzan	2214.08
6	White	Win	Carlsson Martin	2306.52
7	Black	Draw	Eibatov Nizami	2360.74
8	Black	Win	Henningsson Anders	2456.25
World Championship 2001, QT
Date	2001-08-06		Rating	2572.21
Round	Color	Result	Opponent
1	White	Win	Choi Yun Suk	2115.76
2	White	Draw	Nara Hideki	2541.67
3	White	Win	Wang Zi	2150.76
4	White	Draw	Karlsson Stefan	2509.38
5	White	Win	Poghosyan Albert	2336.84
6	White	Loss	Gardström Petter	2514.67
7	Black	Loss	Kim Byoung-Jun	2454.04
Japan WC Qualification tournament
Date	2001-03-24		Rating	2563.12
Round	Color	Result	Opponent
1	Black	Loss	Sunagawa Shouki	2223.63
2	Black	Win	Okabe Hiroshi	2334.68
3	Black	Loss	Kusajima Masato	2385.95
4	Black	Win	Sakamoto Suzan	2177.60
5	Black	Win	Mitsumori Masao	2298.69
6	Black	Win	Ishitani Shin-ichi	2416.78
7	Black	Win	Nara Hideki	2557.14
The 38th Meijin-sen Match
Date	2000-12-03		Rating	2559.72
Round	Color	Result	Opponent
1	White	Loss	Nakamura Shigeru	2776.26
2	White	Loss	Nakamura Shigeru	2776.26
3	White	Draw	Nakamura Shigeru	2776.26
32-nd Kyoto Classified - Special class
Date	2000-11-12		Rating	2559.47
Round	Color	Result	Opponent
1	Black	Loss	Iwata Akihisa	2207.08
2	White	Win	Koiso Shigemasa	2153.16
3	White	Win	Iio Yoshihiro	2368.75
4	Black	Loss	Nara Hideki	2577.79
5	Black	Draw	Sakamoto Suzan	2181.89
38th Meijinsen Tournament
Date	2000-10-01		Rating	2565.59
Round	Color	Result	Opponent
1	White	Win	Maruyama Yasushi	2239.71
2	White	Win	Arai Yutaka	2188.10
3	Black	Win	Iio Yoshihiro	2362.67
4	Black	Win	Kudomi Takahiro	2363.39
5	Black	Win	Kusajima Masato	2361.45
6	White	Win	Nishizono Norio	2355.50
7	Black	Loss	Nara Hideki	2578.76
8	Black	Win	Fujinami Hisao	2243.23
9	White	Win	Hayakawa Yoshimi	2426.77
Team World Championship 2000
Date	2000-05-06		Rating	2568.40
Round	Color	Result	Opponent
1	White	Win	Rusin Vladislav	2507.61
2	White	Win	Lents Johann	2222.85
3	White	Win	Piddubny Konstantin	2097.66
4	Black	Loss	Rusin Vladislav	2507.61
5	Black	Win	Lents Johann	2222.85
6	Black	Win	Piddubny Konstantin	2097.66
7	Black	Draw	Karlsson Stefan	2548.60
8	White	Loss	Karlsson Stefan	2548.60
9	White	Draw	Rusin Vladislav	2507.61
10	Black	Win	Rusin Vladislav	2507.61
World Championship 1999, AT
Date	1999-08-05		Rating	2574.78
Round	Color	Result	Opponent
1	White	Loss	Makarov Pavel	2465.20
2	Black	Win	Sushkov Vladimir	2542.98
3	White	Win	Zhang Jinyu	2393.06
4	White	Win	Hayakawa Yoshimi	2472.75
5	Black	Win	Sagara Takashi	2452.59
6	White	Loss	Karlsson Stefan	2553.84
7	Black	Loss	Soosõrv Ants	2519.01
8	White	Win	Nishizono Norio	2419.22
9	Black	Loss	Kozhin Mikhail	2577.83
10	White	Win	Sinyov Igor	2575.40
11	White	Loss	Meritee Ando	2799.42
The 35th Meijin-sen Match
Date	1997-11-23		Rating	2608.42
Round	Color	Result	Opponent
1	White	Loss	Nakamura Shigeru	2762.73
2	White	Loss	Nakamura Shigeru	2762.73
3	White	Loss	Nakamura Shigeru	2762.73
World Championship 1997, AT
Date	1997-08-06		Rating	2624.92
Round	Color	Result	Opponent
1	White	Win	Klimashin Alexander	2480.40
2	Black	Win	Sinyov Igor	2532.70
3	Black	Win	Soosõrv Ants	2546.66
4	Black	Win	Kawamura Norihiko	2581.67
5	White	Win	Gardström Petter	2381.44
6	Black	Win	Reims Aldis	2557.21
7	White	Draw	Karlsson Stefan	2448.35
8	White	Win	Sagara Takashi	2547.74
9	White	Win	Nara Hideki	2546.09
10	Black	Draw	Kozhin Mikhail	2531.30
11	Black	Loss	Meritee Ando	2723.99
The 34th Meijin-sen Match
Date	1996-11-30		Rating	2603.02
Round	Color	Result	Opponent
1	Black	Draw	Kawamura Norihiko	2591.74
2	White	Win	Kawamura Norihiko	2591.74
3	Black	Loss	Kawamura Norihiko	2591.74
4	Black	Draw	Kawamura Norihiko	2591.74
5	Black	Win	Kawamura Norihiko	2591.74
34th Meijin-sen Tournament
Date	1996-09-23		Rating	2593.88
Round	Color	Result	Opponent
1	Black	Draw	Sagara Takashi	2485.61
2	Black	Win	Yamaguchi Yusui	2426.91
3	Black	Loss	Nishizono Norio	2489.65
4	White	Win	Matsuura Hiroshi	2167.83
5	Black	Win	Nara Hideki	2533.07
6	White	Win	Maruyama Yasushi	2196.65
7	White	Win	Nishimura Toshio	2341.74
8	White	Win	Ooi Kozo	2314.02
9	Black	Win	Isobe Taizan	2395.15
Team World Championship 1996
Date	1996-05-04		Rating	2564.33
Round	Color	Result	Opponent
1	White	Draw	Peskov Stepan	2478.00
2	White	Loss	Soosõrv Ants	2458.62
3	Black	Win	Deng Jinghui	2104.52
4	Black	Win	Kozhin Mikhail	2514.86
5	Black	Win	Soosõrv Ants	2458.62
6	White	Win	Deng Jinghui	2104.52
9	Black	Win	Sahakyan Tigran	1834.99
10	Black	Win	Sahakyan Tigran	1834.99
The 33rd Meijin-sen Match
Date	1995-11-05		Rating	2523.16
Round	Color	Result	Opponent
1	Black	Loss	Kawamura Norihiko	2625.74
2	Black	Loss	Kawamura Norihiko	2625.74
3	Black	Loss	Kawamura Norihiko	2625.74
World Championship 1995, BT
Date	1995-08-07		Rating	2513.38
Round	Color	Result	Opponent
	White	Win	Balanova Jelena	2240.62
	Black	Loss	Sinyov Igor	2502.70
	White	Win	Chernov Sergey	2190.62
	White	Loss	Hayakawa Yoshimi	2551.17
	Black	Win	Jonsson Peter	2122.90
	White	Win	Bertilsson Anders	2055.75
	Black	Win	Skuridina Olga	1963.63
	Black	Win	Demidov Alexey	2141.52
Kyoto - 1200
Date	1994-08-07		Rating	2487.74
Round	Color	Result	Opponent
1	Black	Loss	Arai Yutaka	2260.48
2	White	Loss	Kudomi Takahiro	2191.03
3	White	Win	Sawai Toshio	1730.51
4	Black	Win	Alexandrov Victor	2377.25
5	White	Win	Takazawa Nagayoshi	2132.82
6	White	Win	Matsuura Hiroshi	2204.41
7	Black	Win	Dvoeglazov Vladimir	2266.92
World Championship 1993, AT
Date	1993-08-12		Rating	2493.56
Round	Color	Result	Opponent
1	Black	Loss	Nara Hideki	2556.36
2	White	Win	Mikhailov Nikolay	2412.44
3	Black	Win	Meritee Ando	2582.61
4	White	Draw	Sundling Ingvar	2405.79
5	Black	Loss	Sagara Takashi	2395.31
6	White	Win	Nikonov Konstantin	2407.82
7	Black	Win	Karlsson Stefan	2310.84
8	White	Loss	Reims Aldis	2525.53
9	Black	Win	Poghosyan Albert	2215.82
10	Black	Win	Soosõrv Ants	2424.47
11	White	Loss	Kozhin Mikhail	2453.90
The 30th Meijin-sen Match
Date	1992-10-04		Rating	2497.36
Round	Color	Result	Opponent
1	Black	Draw	Nakamura Shigeru	2669.53
2	White	Loss	Nakamura Shigeru	2669.53
3	Black	Win	Nakamura Shigeru	2669.53
4	White	Loss	Nakamura Shigeru	2669.53
World Championship 1991, AT
Date	1991-08-10		Rating	2482.97
Round	Color	Result	Opponent
1	Black	Win	Nara Hideki	2513.91
2	Black	Win	Unterweger Michael	1949.82
3	White	Win	Sinyov Igor	2349.04
4	Black	Win	Gardström Petter	2276.94
5	Black	Win	Voskanyan Eduard	2360.31
6	White	Win	Palmgren Jan	2230.43
7	Black	Loss	Nakamura Shigeru	2682.91
8	White	Loss	Kozhin Mikhail	2423.38
9	Black	Win	Reims Aldis	2495.87
10	White	Loss	Sundling Ingvar	2345.82
11	Black	Loss	Yamaguchi Yusui	2465.61
The 28th Meijin-sen Match
Date	1990-12-02		Rating	2470.50
Round	Color	Result	Opponent
1	White	Loss	Nakamura Shigeru	2655.49
2	Black	Win	Nakamura Shigeru	2655.49
3	Black	Draw	Nakamura Shigeru	2655.49
4	White	Loss	Nakamura Shigeru	2655.49
The 27th Meijin-sen Match
Date	1989-11-18		Rating	2431.69
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2634.07
2	White	Draw	Nakamura Shigeru	2634.07
3	Black	Win	Nakamura Shigeru	2634.07
4	White	Loss	Nakamura Shigeru	2634.07
World Championship 1989, AT
Date	1989-08-06		Rating	2414.70
Round	Color	Result	Opponent
1	White	Win	Kozhin Mikhail	2349.46
2	Black	Loss	Nishimura Toshio	2404.75
3	Black	Win	Gardström Petter	2202.87
4	Black	Loss	Nakamura Shigeru	2634.54
5	White	Win	Palmgren Jan	2109.19
6	Black	Win	Sundling Ingvar	2200.71
7	White	Loss	Nara Hideki	2495.02
8	White	Win	Bobkov Evgeniy	2304.68
9	Black	Draw	Mikhailov Nikolay	2341.98
The 26th Meijin-sen Match
Date	1988-11-19		Rating	2368.44
Round	Color	Result	Opponent
1	Black	Loss	Nakamura Shigeru	2610.05
2	White	Loss	Nakamura Shigeru	2610.05
3	White	Loss	Nakamura Shigeru	2610.05
Japan-Sweden Renju Friendship Tournament
Date	1985-07-01		Rating	2230.51
Round	Color	Result	Opponent
1	White	Loss	Kawamura Norihiko	2409.25