Yamaguchi Yusui

Place: Tokyo, Japan

Rating: 2513.03, Rank: -

First game: 1991-01-04, Last game: 2013-09-16

Top rating: 2556.94 (2012-09-17)

Games: 259, Wins: 152, Draws: 22, Losses: 85

Gy1: 0, Gy2: 0, Gy5: 0

51 Meijinsen Tournament
Date	2013-09-16		Rating	2513.03
Round	Color	Result	Opponent
1	White	Loss	Okabe Hiroshi	2662.20
2	White	Win	Hata Masayuki	2168.37
3	White	Win	Kawano Takahisa	2294.40
4	White	Win	Kawate Kozo	2029.28
5	White	Loss	Sato Kiyotomi	2384.77
6	White	Loss	Hasegawa Kazuto	2535.12
7	White	Loss	Kamiya Shunsuke	2481.08
8	White	Win	Mano Yoshihisa	2237.55
9	White	Loss	Oosumi Yuuki	2747.79
50th Meijinsen Tournament
Date	2012-09-17		Rating	2556.94
Round	Color	Result	Opponent
1	White	Draw	Hasegawa Kazuto	2505.27
2	White	Win	Nagasoe Hiroki	2447.21
3	White	Win	Iio Yoshihiro	2396.00
4	White	Draw	Nakamura Shigeru	2793.08
5	White	Loss	Nakayama Tomoharu	2542.70
6	Black	Win	Okabe Hiroshi	2628.07
7	White	Win	Ono Takayuki	2345.03
8	White	Win	Matsuura Hiroshi	2282.40
9	White	Win	Fukui Nobuhiro	2457.63
49 Meijinsen Match R3,R4
Date	2011-12-18		Rating	2555.58
Round	Color	Result	Opponent
3	White	Draw	Oosumi Yuuki	2694.14
4	White	Loss	Oosumi Yuuki	2694.14
49 Meijinsen Match R1,R2
Date	2011-10-16		Rating	2555.83
Round	Color	Result	Opponent
1	White	Win	Oosumi Yuuki	2682.09
2	White	Loss	Oosumi Yuuki	2682.09
49th Meijinsen Tournament
Date	2011-09-19		Rating	2555.24
Round	Color	Result	Opponent
1	Black	Win	Miyoshi Takeo	2092.19
2	White	Draw	Hasegawa Kazuto	2487.06
3	White	Win	Nakayama Tomoharu	2498.46
4	White	Win	Kubo Izumi	2032.78
5	White	Win	Okabe Hiroshi	2619.81
6	Black	Win	Kashihara Akihiko	2191.82
7	White	Win	Matsuura Hiroshi	2290.86
8	Black	Win	Iio Yoshihiro	2411.87
9	White	Win	Sakashita Shoichi	2076.51
49 Meijinsen Qualification East-Japan area 2nd round
Date	2011-07-10		Rating	2544.85
Round	Color	Result	Opponent
1	White	Win	Nakayama Tomoharu	2486.43
2	White	Loss	Nagao Noriaki	2360.67
3	White	Win	Kamiya Shunsuke	2371.12
4	Black	Draw	Nakamura Shigeru	2775.23
5	White	Win	Isobe Taizan	2336.61
28th Kanto Championship
Date	2011-05-22		Rating	2535.98
Round	Color	Result	Opponent
1	White	Win	Iwano Fumio	2076.29
2	Black	Win	Tomobe Katsuhiro	2154.85
3	White	Win	Ono Takayuki	2324.29
4	White	Loss	Nakamura Shigeru	2775.09
5	White	Loss	Ishitani Shin-ichi	2314.71
48th Meijinsen Tournament
Date	2010-09-20		Rating	2502.50
Round	Color	Result	Opponent
1	White	Win	Kawano Takahisa	2257.16
2	White	Loss	Ishitani Shin-ichi	2308.91
3	White	Loss	Tamada Yoichi	2409.01
4	White	Loss	Matsuura Hiroshi	2275.19
5	White	Win	Koiso Shigemasa	2092.38
6	White	Win	Sakamoto Hirouji	2249.29
7	White	Win	Iio Yoshihiro	2436.08
8	White	Loss	Oosumi Yuuki	2620.30
9	White	Win	Okabe Hiroshi	2602.25
48th Meijinsen Qualification East-Japan area 2nd round
Date	2010-07-11		Rating	2497.99
Round	Color	Result	Opponent
1	White	Win	Ono Takayuki	2320.10
2	White	Win	Tada Ayako	2162.44
3	White	Win	Kudomi Takahiro	2309.59
4	White	Loss	Tamada Yoichi	2399.39
5	White	Win	Tamura Kazumasa	2426.01
27th Kanto Championship
Date	2010-05-23		Rating	2493.41
Round	Color	Result	Opponent
1	Black	Win	Kato Yasuhiro	2024.66
2	White	Loss	Oosumi Yuuki	2591.96
3	Black	Win	Tomobe Katsuhiro	2142.31
4	White	Win	Ono Takayuki	2318.11
5	White	Loss	Nakamura Shigeru	2766.77
Team World Championship
Date	2010-05-05		Rating	2491.85
Round	Color	Result	Opponent
1	White	Loss	Tamada Yoichi	2383.28
3	White	Win	Xi Zhenyang	2393.89
4	White	Loss	Lin Huang-Yu	2585.76
5	White	Win	Nikonov Konstantin	2518.95
7	White	Loss	Soosõrv Ants	2627.27
8	White	Win	Lin Huang-Yu	2585.76
9	White	Loss	Xi Zhenyang	2393.89
10	White	Loss	Soosõrv Ants	2627.27
5th All Japan Championship
Date	2010-03-21		Rating	2490.45
Round	Color	Result	Opponent
1	White	Win	Fujikawa Masaki	1975.37
2	White	Loss	Nagao Noriaki	2338.27
3	White	Win	Miyagawa Sou	2049.79
4	White	Win	Kawasaki Nobuhiko	2146.08
5	White	Win	Iio Yoshihiro	2435.62
6	White	Win	Ishitani Shin-ichi	2311.55
13th Mikami Cup Tournament
Date	2010-01-31		Rating	2488.13
Round	Color	Result	Opponent
S1	White	Win	Tamura Kazumasa	2427.74
S3	Black	Loss	Nakamura Shigeru	2763.92
S4	White	Win	Sato Kiyotomi	2314.98
47th Meijinsen tournament
Date	2009-09-22		Rating	2476.91
Round	Color	Result	Opponent
1	White	Win	Sakamoto Hirouji	2210.20
2	Black	Loss	Iio Yoshihiro	2422.72
3	Black	Win	Tamura Kazumasa	2422.74
4	White	Win	Matsuura Hiroshi	2241.30
5	White	Loss	Kawamura Norihiko	2546.12
6	White	Win	Kataoka Mitsuaki	2144.18
7	Black	Win	Ishitani Shin-ichi	2286.36
8	White	Loss	Oosumi Yuuki	2561.08
9	White	Loss	Okabe Hiroshi	2571.60
47th Meijinsen Qualification East-Japan area final round
Date	2009-07-05		Rating	2473.34
Round	Color	Result	Opponent
1	Black	Win	Mitsumori Masao	2272.18
2	White	Win	Kudomi Takahiro	2297.58
3	White	Win	Arita Nobuyoshi	2287.73
4	White	Draw	Tamura Kazumasa	2422.62
5	Black	Win	Ono Takayuki	2303.70
26th Kanto Championship
Date	2009-05-17		Rating	2467.63
Round	Color	Result	Opponent
4	White	Loss	Isobe Taizan	2331.54
4th All Japan Championship
Date	2009-03-21		Rating	2463.89
Round	Color	Result	Opponent
1	White	Win	Tamada Yoichi	2255.24
2	White	Loss	Ono Takayuki	2305.14
3	White	Win	Iwano Fumio	2136.72
4	Black	Loss	Tamura Kazumasa	2419.26
5	Black	Win	Miyoshi Takeo	2130.81
6	Black	Loss	Mitsumori Masao	2273.96
12th Mikami Cup Tournament
Date	2009-01-18		Rating	2466.90
Round	Color	Result	Opponent
S3	White	Loss	Kawamura Norihiko	2555.78
46th Meijinsen Tournament
Date	2008-09-15		Rating	2476.44
Round	Color	Result	Opponent
1	White	Win	Oosumi Yuuki	2506.48
2	Black	Win	Kataoka Mitsuaki	2113.14
3	White	Loss	Matsuura Hiroshi	2199.87
4	White	Loss	Iio Yoshihiro	2416.51
5	White	Win	Hata Masayuki	2181.01
6	Black	Loss	Kawamura Norihiko	2559.64
7	Black	Loss	Okabe Hiroshi	2554.31
8	Black	Win	Sato Kiyotomi	2302.86
9	White	Win	Ishitani Shin-ichi	2275.17
The 45th Meijin-sen Match
Date	2007-11-24		Rating	2518.24
Round	Color	Result	Opponent
1	White	Loss	Hasegawa Kazuto	2644.79
2	White	Draw	Hasegawa Kazuto	2644.79
3	White	Loss	Hasegawa Kazuto	2644.79
The 45th Meijin-sen Tournament
Date	2007-09-17		Rating	2530.25
Round	Color	Result	Opponent
1	Black	Win	Hiwatashi Kikuma	1807.94
2	Black	Win	Oosumi Yuuki	2454.85
3	White	Win	Isobe Taizan	2317.80
4	Black	Win	Sato Kiyotomi	2254.52
5	White	Win	Matsuura Hiroshi	2177.29
6	White	Win	Okabe Hiroshi	2502.85
7	Black	Win	Kawamura Norihiko	2537.45
8	Black	Win	Miyoshi Takeo	2179.61
9	Black	Loss	Iio Yoshihiro	2433.09
World Championship AT
Date	2007-08-15		Rating	2532.71
Round	Color	Result	Opponent
1	White	Win	Purk Andry	2525.70
2	White	Win	Savrasova Yulia	2564.99
3	White	Win	Iio Yoshihiro	2433.80
4	White	Win	Oll Aivo	2556.47
5	Black	Win	Okabe Hiroshi	2496.96
6	White	Loss	Karlsson Stefan	2497.47
7	Black	Loss	Wu Di	2603.86
8	White	Win	Sushkov Vladimir	2647.88
9	White	Win	Kozhin Mikhail	2493.74
10	Black	Loss	Taimla Tunnet	2654.40
11	White	Loss	Chingin Konstantin	2680.16
The 5th Shanghai Renju Meijin Invitation Tournament
Date	2007-05-03		Rating	2525.79
Round	Color	Result	Opponent
1	White	Win	Okabe Hiroshi	2480.47
2	Black	Loss	Cao Dong	2549.32
3	White	Win	Ge Chongyu	2312.82
SF1	White	Draw	Qiu Yunfei	2401.30
SF2	White	Loss	Yu Manjiang	2492.24
SF3	Black	Draw	Wu Hao	2540.86
SF4	White	Loss	Ge Lingfeng	2355.71
2nd All Japan Championship (WC Qualification)
Date	2007-03-25		Rating	2526.75
Round	Color	Result	Opponent
1	White	Win	Nagao Noriaki	2240.02
2	White	Win	Koyama Jun	2392.85
5	White	Win	Isobe Taizan	2308.26
6	Black	Win	Oosumi Yuuki	2401.24
The 44th Meijin-sen Tournament
Date	2006-09-18		Rating	2517.10
Round	Color	Result	Opponent
1	White	Win	Okabe Hiroshi	2463.12
2	Black	Win	Ishitani Shin-ichi	2236.51
3	White	Win	Matsuura Hiroshi	2179.37
4	Black	Win	Iio Yoshihiro	2420.76
5	White	Win	Oosumi Yuuki	2349.10
6	White	Win	Fujii Naoki	1975.91
7	Black	Loss	Sato Kiyotomi	2273.84
8	White	Win	Nagao Noriaki	2223.16
9	White	Loss	Kawamura Norihiko	2564.44
Asian Championship
Date	2006-08-15		Rating	2514.56
Round	Color	Result	Opponent
1	White	Win	Choi Yun-Seok	2124.43
2	Black	Win	Lin Huang-Yu	2376.05
3	White	Win	Park Eol	2192.02
4	Black	Draw	Iio Yoshihiro	2420.63
5	Black	Loss	Kim Chang-Hoon	2448.04
6	White	Win	Kim Gyu-Hyeon	2392.06
7	Black	Draw	Okabe Hiroshi	2460.81
8	White	Loss	Kim Byoung-Jun	2425.64
The 4th Shanghai Renju Meijin Invitation Tournament
Date	2006-03-20		Rating	2509.60
Round	Color	Result	Opponent
1	White	Win	Takashima Junya	2372.35
2	Black	Win	Ge Lingfeng	2293.16
3	White	Draw	Chen Lin	2455.30
4	Black	Draw	Xue Wenxi	2279.95
5	White	Win	Cao Dong	2487.15
6	White	Win	Wu Di	2515.52
7	Black	Win	Ge Chongyu	2341.37
The 43rd Meijin-sen Tournament
Date	2005-09-19		Rating	2484.33
Round	Color	Result	Opponent
1	Black	Loss	Takashima Junya	2356.68
2	White	Win	Hasegawa Kazuto	2607.83
3	Black	Win	Oosumi Yuuki	2298.60
4	White	Win	Sato Kiyotomi	2233.18
5	Black	Draw	Tanaka Koichi	2112.61
6	White	Win	Matsuura Hiroshi	2204.33
7	White	Win	Kawate Kozo	1959.18
8	White	Win	Ishitani Shin-ichi	2259.72
9	White	Loss	Okabe Hiroshi	2442.26
World Championship QT
Date	2005-07-31		Rating	2477.70
Round	Color	Result	Opponent
1	White	Win	Cheng Wei-Yuan	2284.13
2	White	Win	Andersson Tord	2271.35
4	White	Loss	Karlsson Stefan	2447.08
5	White	Draw	Iio Yoshihiro	2398.28
6	White	Loss	Tarannikov Yuriy	2512.50
7	Black	Loss	Oosumi Yuuki	2294.05
The 42nd Meijin-sen Match
Date	2004-11-14		Rating	2469.72
Round	Color	Result	Opponent
1	Black	Loss	Kawamura Norihiko	2591.79
2	White	Loss	Kawamura Norihiko	2591.79
3	Black	Draw	Kawamura Norihiko	2591.79
4	Black	Loss	Kawamura Norihiko	2591.79
41st Meijin-sen Match
Date	2003-12-21		Rating	2479.74
Round	Color	Result	Opponent
1	White	Loss	Hasegawa Kazuto	2537.00
2	White	Win	Hasegawa Kazuto	2537.00
3	White	Loss	Hasegawa Kazuto	2537.00
4	White	Win	Hasegawa Kazuto	2537.00
5	White	Win	Hasegawa Kazuto	2537.00
World Championship AT
Date	2003-08-08		Rating	2474.74
Round	Color	Result	Opponent
1	Black	Draw	Iio Yoshihiro	2379.28
2	White	Loss	Okabe Hiroshi	2385.97
3	Black	Draw	Chingin Konstantin	2595.86
4	White	Loss	Meritee Ando	2707.15
5	White	Loss	Sinyov Igor	2477.25
6	White	Loss	Karlsson Stefan	2422.55
7	White	Win	Gaulitz Joachim	2309.80
8	White	Win	Andersson Tord	2262.35
9	White	Win	Carlsson Martin	2281.35
10	White	Loss	Sushkov Vladimir	2573.26
11	White	Loss	Taimla Tunnet	2566.03
World Championship QT
Date	2003-07-31		Rating	2475.54
Round	Color	Result	Opponent
1	White	Win	Lents Johann	2364.46
2	White	Loss	Chen Ko-Han	2331.61
3	Black	Draw	Iio Yoshihiro	2378.92
4	White	Win	Dzainukov Eldar	2041.61
5	White	Win	Ilu Timo	2292.71
6	White	Win	Makarov Pavel	2385.49
7	White	Win	Karlsson Stefan	2423.02
The 40th Meijin-sen Match
Date	2002-11-03		Rating	2489.71
Round	Color	Result	Opponent
1	White	Win	Hasegawa Kazuto	2513.81
2	White	Win	Hasegawa Kazuto	2513.81
3	White	Loss	Hasegawa Kazuto	2513.81
4	White	Win	Hasegawa Kazuto	2513.81
40th Meijin-sen Tournament
Date	2002-09-16		Rating	2488.17
Round	Color	Result	Opponent
1	White	Loss	Hasegawa Kazuto	2515.07
2	White	Win	Kudomi Takahiro	2290.18
3	White	Win	Nishimura Toshio	2219.79
4	White	Win	Matsuura Hiroshi	2189.57
5	White	Win	Okabe Hiroshi	2334.00
6	Black	Win	Iio Yoshihiro	2322.73
7	White	Draw	Ishitani Shin-ichi	2258.39
8	White	Win	Isobe Taizan	2221.49
9	White	Win	Takagawa Teiji	2243.68
The 39th Meijin-sen Tournament
Date	2001-09-24		Rating	2456.51
Round	Color	Result	Opponent
1	White	Win	Nara Hideki	2456.43
2	White	Win	Takagawa Teiji	2239.94
3	White	Draw	Hayakawa Yoshimi	2353.93
4	Black	Win	Nishimura Toshio	2243.12
5	Black	Draw	Iio Yoshihiro	2301.78
6	White	Win	Maruyama Yasushi	2108.14
7	White	Loss	Hasegawa Kazuto	2499.28
8	White	Win	Matsuura Hiroshi	2171.95
9	Black	Loss	Kudomi Takahiro	2294.43
34th Meijin-sen Tournament
Date	1996-09-23		Rating	2332.23
Round	Color	Result	Opponent
1	White	Win	Ooi Kozo	2220.53
2	White	Loss	Hasegawa Kazuto	2504.97
3	Black	Win	Isobe Taizan	2143.32
4	White	Win	Nishizono Norio	2379.92
5	White	Loss	Nishimura Toshio	2243.07
6	Black	Loss	Matsuura Hiroshi	2117.46
7	Black	Win	Sagara Takashi	2406.62
8	White	Loss	Nara Hideki	2452.93
9	White	Loss	Maruyama Yasushi	2091.15
World Championship AT
Date	1991-08-10		Rating	2348.59
Round	Color	Result	Opponent
1	Black	Loss	Palmgren Jan	2191.67
2	White	Loss	Nakamura Shigeru	2633.86
3	Black	Win	Kozhin Mikhail	2307.58
4	White	Win	Reims Aldis	2403.83
5	Black	Win	Sundling Ingvar	2294.54
6	Black	Win	Voskanyan Eduard	2294.63
7	White	Loss	Nara Hideki	2444.27
8	Black	Win	Unterweger Michael	1927.94
9	White	Win	Sinyov Igor	2244.11
10	Black	Win	Gardstrom Petter	2232.92
11	White	Win	Hasegawa Kazuto	2427.95
Leningrad 2 New Year Prize
Date	1991-01-04		Rating	2317.90
Round	Color	Result	Opponent
1	White	Win	Dvoeglazov Vladimir	2170.67
2	Black	Loss	Poghosyan Albert	2133.37
3	White	Loss	Savchenko Igor	2220.56
4	Black	Win	Ilyin Dmitry	2268.40
5	Black	Win	Bogatyryov Andrey	1999.19
6	White	Win	Filinov Vladimir	2203.42
7	Black	Win	Sirategyan Karen	2130.25
8	Black	Loss	Voskanyan Eduard	2319.23
9	White	Loss	Andersons Andris	2214.30