Home  Tournaments  All Players  Correspondence Rating  System  Updates 
Player Lookup:
World Championship BT
2017-08-07 -> 2017-08-12
Rating: 2373.02 -> 2289.21
Opponent Rating Round Result R. Change
Feng Sheng-Yu 1837 1
win
 +1.40
Balabhai Viktor 2086 2
loss
 -26.85
Karpov Fyodor 1680 3
win
 +0.58
Huang Yen-Hua 2177 4
win
 +7.83
Topkin Georg-Romet 1992 5
win
 +3.22
Liu Yang 2413 6
loss
 -14.13
Epifanov Dmitry 2284 7
loss
 -19.99
Mesila Villem 2133 8
draw
 -9.56
Sun In 2106 9
loss
 -26.31
World Championship QT
2017-08-03 -> 2017-08-05
Rating: 2424.47 -> 2373.02
Opponent Rating Round Result R. Change
Kim Hong Soon 2102 1
draw
 -11.66
Lu  Wei-Yuan 2276 2
loss
 -22.43
Gardstrom Petter 2228 3
win
 +7.81
Hõbemägi Martin 2355 4
win
 +12.84
Wai Chan Keong   5
win
 -
Tang Kai Lam 2435 6
loss
 -15.50
Chou Huang Yu-Chien 2274 7
loss
 -22.52
Taipei World Championship Qualification Tournament
2017-04-29 -> 2017-04-30
Rating: 2428.02 -> 2424.47
Opponent Rating Round Result R. Change
Ke Fang-Ying 1969 1
win
 +2.13
Yang Yu-Hsiung 2137 2
win
 +5.07
Lin Shu-Hsuan 2491 3
loss
 -13.12
Chou Huang Yu-Chien 2308 4
win
 +10.71
Lin Liu-Min 2227 5
draw
 -8.34
2017 Spring TRF Cup, Dan-level Group
2017-03-25
Rating: 2429.72 -> 2428.02
Opponent Rating Round Result R. Change
Ke Fang-Ying 1959 1
win
 +2.00
Lin Shih-Pin 2423 2
loss
 -16.28
Fang Jui-Tien   3
win
 -
Chen Chih-Chan   4
win
 -
Wang Yuxuan 2354 5
win
 +12.58
TRF Cup Dan-level Tournament
2017-03-05
Rating: 2434.86 -> 2429.72
Opponent Rating Round Result R. Change
Lin Shu-Hsuan 2524 1
draw
 +4.02
Chen Kuo-Hui 1888 2
win
 +1.32
Lin Shih-Pin 2416 3
loss
 -16.84
Wang Yuxuan   4
loss
 -
Huang Yen-Hua 2192 5
win
 +6.36
8th Taiwan Meijinsen Match
2016-11-26 -> 2016-12-31
Rating: 2484.14 -> 2434.86
Opponent Rating Round Result R. Change
Lin Shu-Hsuan 2474 1
loss
 -16.43
Lin Shu-Hsuan 2474 2
loss
 -16.43
Lin Shu-Hsuan 2474 3
loss
 -16.43
8th Taiwan Meijinsen Tournament
2016-11-12 -> 2016-11-13
Rating: 2435.81 -> 2484.14
Opponent Rating Round Result R. Change
Yang Yu-Hsiung 2168 1
win
 +5.67
Lu  Wei-Yuan 2189 2
win
 +6.23
Liao Jun-Yen 2025 3
win
 +2.75
Lin Shih-Pin 2390 4
win
 +13.93
Lin Huang-Yu 2518 5
win
 +19.75
8th Taiwan Meijinsen Qualification, Southern Area
2016-09-24
Rating: 2411.24 -> 2435.81
Opponent Rating Round Result R. Change
Lu  Wei-Yuan 2196 1
win
 +7.20
Lin Shih-Pin 2365 2
draw
 -2.09
Lo Hsun   3
win
 -
Huang Yen-Hua 2181 4
win
 +6.74
Chou Huang Yu-Chien 2339 5
win
 +12.72
2016 Summer TRF Cup, Dan-level Group
2016-08-27
Rating: 2427.74 -> 2411.24
Opponent Rating Round Result R. Change
Hsieh Jung-Kuo   1
win
 -
Feng Sheng-Yu 1857 2
win
 +1.16
Chen Kuo-Hui 1909 3
win
 +1.54
Lin Shih-Pin 2317 4
loss
 -20.93
Huang Sheng-Hsun 1929 5
win
 +1.72
Taipei Team World Championship Qualification Tournament
2016-01-23 -> 2016-01-24
Rating: 2425.72 -> 2427.74
Opponent Rating Round Result R. Change
Yang Yu-Hsiung 2223 1
win
 +7.63
Lin Liu-Min 2265 2
win
 +9.10
Huang Yen-Hua 2134 3
win
 +5.05
Chen Ya-Hui 1965 4
win
 +2.11
Lin Shih-Pin 2292 5
loss
 -21.86
7th Taiwan Meijinsen Tournament
2015-11-07 -> 2015-11-08
Rating: 2454.42 -> 2425.72
Opponent Rating Round Result R. Change
Lin Huang-Yu 2546 1
loss
 -11.84
Lu  Wei-Yuan 2179 2
win
 +5.46
Chen Ya-Hui 1981 3
win
 +1.97
Chou Huang Yu-Chien   4
loss
 -
Lin Shih-Pin 2254 5
loss
 -24.29
7th Taiwan Meijinsen Qualification, Southern Area
2015-09-19
Rating: 2446.37 -> 2454.42
Opponent Rating Round Result R. Change
Chen Chih-Chan   1
win
 -
Feng Sheng-Yu   2
win
 -
Ke Fang-Ying   3
win
 -
Lin Liu-Min 2256 4
win
 +8.05
Chuang Tzu-Chien   5
win
 -
World Championship AT
2015-08-07 -> 2015-08-13
Rating: 2442.19 -> 2446.37
Opponent Rating Round Result R. Change
Lin Huang-Yu 2549 1
loss
 -11.22
Tang Kai Lam   2
loss
 -
Kamiya Shunsuke 2411 3
win
 +14.60
Qi Guan 2341 4
win
 +11.49
Taimla Tunnet 2620 5
win
 +23.56
Salnikov Pavel 2204 6
loss
 -25.49
Makarov Pavel 2290 7
win
 +9.45
Lan Zhiren 2497 8
loss
 -13.49
Hõbemägi Martin 2279 9
draw
 -6.98
Okabe Hiroshi 2553 10
draw
 +4.98
Fedorkin Oleg 2382 11
draw
 -2.70
Taipei World Championship Qualification Tournament
2015-04-25 -> 2015-04-26
Rating: 2406.69 -> 2442.19
Opponent Rating Round Result R. Change
Lin Shih-Pin 2243 1
win
 +9.00
Huang Yen-Hua 2104 2
win
 +4.77
Lin Liu-Min 2248 3
draw
 -6.83
Cheng Chih-Liang 2180 4
win
 +6.83
Lin Huang-Yu 2536 5
win
 +21.73
6th Taiwan Meijinsen Tournament
2014-12-06 -> 2014-12-07
Rating: 2391.06 -> 2406.69
Opponent Rating Round Result R. Change
Huang Yen-Hua 2155 1
win
 +6.54
Lin Liu-Min 2296 2
win
 +11.73
Lin Huang-Yu 2519 3
loss
 -10.34
Lin Shih-Pin 2191 4
win
 +7.69
Sung Pei-Jung   5
win
 -
6th Taiwan Meijinsen Qualification, Northern Area
2014-11-16
Rating: 2416.68 -> 2391.06
Opponent Rating Round Result R. Change
Hsieh Jung-Kuo   1
win
 -
Huang Yen-Hua 2100 2
loss
 -27.53
Sung Pei-Jung   3
win
 -
Lin Zhi-Xuan   4
win
 -
Chen Kuo-Hui 1938 5
win
 +1.92
Team World Championship
2014-04-27 -> 2014-05-03
Rating: 2346.3 -> 2416.68
Opponent Rating Round Result R. Change
Chien Yung-Hsuan 2102 1
win
 +6.30
Fukui Nobuhiro 2456 2
win
 +20.91
Kryuchok Roman 2218 3
win
 +10.36
Mano Yoshihisa 2169 4
win
 +8.50
Chen Ya-Hui   6
win
 -
Fukui Nobuhiro 2456 7
draw
 +4.91
Chingin Konstantin 2569 8
loss
 -6.94
Mano Yoshihisa 2169 9
win
 +8.50
Soosõrv Ants 2386 10
win
 +17.84
5th Taiwan Meijinsen Tournament
2013-12-21 -> 2013-12-22
Rating: 2358.25 -> 2346.3
Opponent Rating Round Result R. Change
Chen Ya-Hui   1
win
 -
Chen Kuo-Hui 1953 2
win
 +2.83
Wen Shun-Kuang   3
loss
 -
Lin Shu-Hsuan 2384 4
loss
 -14.78
Cheng Chih-Liang   5
win
 -
5th Taiwan Meijinsen Qualification
2013-11-24
Rating: 2383.8 -> 2358.25
Opponent Rating Round Result R. Change
Huang Hsieh-Lung   1
win
 -
Yang Yu-Hsiung 2196 2
draw
 -7.87
Tseng Wen-Chung   3
win
 -
Lin Shu-Hsuan 2347 4
loss
 -17.68
Chen Ya-Hui   5
win
 -
World Championship AT
2013-08-07 -> 2013-08-14
Rating: 2314.4 -> 2383.8
Opponent Rating Round Result R. Change
Okabe Hiroshi 2551 1
draw
 +9.48
Cao Dong 2584 2
win
 +26.41
Wang Qingqing 2200 3
win
 +10.92
Taimla Tunnet 2526 4
loss
 -7.28
Lan Zhiren 2553 5
win
 +25.56
Hõbemägi Martin 2238 6
win
 +12.57
Sushkov Vladimir 2515 7
draw
 +8.34
Oosumi Yuuki 2681 8
loss
 -3.46
Epifanov Dmitry 2272 9
draw
 -1.93
Salnikov Pavel 2313 10
draw
 -0.05
Oll Aivo 2422 11
loss
 -11.17
Taipei World Championship Qualification Tournament
2013-04-20 -> 2013-04-21
Rating: 2323.83 -> 2314.4
Opponent Rating Round Result R. Change
Liu I-Chung   1
win
 -
Lin Shih-Pin   2
win
 -
Lin Huang-Yu 2560 3
loss
 -6.53
Yang Hsiao-Yu 1932 4
win
 +3.04
Yang Yu-Hsiung 2188 5
draw
 -5.95
4th Taiwan Meijinsen Match
2012-12-22 -> 2013-01-12
Rating: 2348.13 -> 2323.83
Opponent Rating Round Result R. Change
Lin Huang-Yu 2536 1
loss
 -8.10
Lin Huang-Yu 2536 2
loss
 -8.10
Lin Huang-Yu 2536 3
loss
 -8.10
4th Taiwan Meijinsen Tournament
2012-12-01 -> 2012-12-02
Rating: 2339.06 -> 2348.13
Opponent Rating Round Result R. Change
Cheng Chun-Chieh   1
win
 -
Chen Kuo-Hui   2
win
 -
Wen Shun-Kuang   3
win
 -
Lin Huang-Yu 2518 4
loss
 -8.42
Lin Shu-Hsuan 2371 5
win
 +17.49
4th Taiwan Meijinsen Qualification
2012-11-25
Rating: 2343.01 -> 2339.06
Opponent Rating Round Result R. Change
Chen Kuo-Hui   1
win
 -
Chen Wei-Han 2064 2
win
 +5.36
Wen Shun-Kuang   3
win
 -
Lin Huang-Yu 2497 4
loss
 -9.31
Huang Yen-Hua   5
win
 -
3rd Taipei Yamaguchi Rule National Tournament
2012-05-19
Rating: 2358.63 -> 2343.01
Opponent Rating Round Result R. Change
Lin Yu-Tu   1
win
 -
Lin Shu-Hsuan 2360 2
loss
 -15.89
Cheng Yu-Han   3
win
 -
Lu  Wei-Yuan 2237 4
win
 +10.62
Lin Huang-Yu 2486 5
loss
 -10.34
Team World Championship
2012-04-29 -> 2012-05-06
Rating: 2344.4 -> 2358.63
Opponent Rating Round Result R. Change
Sushkov Vladimir 2528 1
loss
 -8.23
Yang Yanxi 2599 2
draw
 +10.01
Taimla Tunnet 2531 3
loss
 -8.12
Nakayama Tomoharu 2418 4
draw
 +3.37
Lan Zhiren   5
draw
 -
Cao Dong 2614 6
win
 +26.43
Piddubny Konstantin 1983 7
win
 +3.56
Sushkov Vladimir 2528 8
loss
 -8.23
Taimla Tunnet 2531 9
loss
 -8.12
Piddubny Konstantin 1983 10
win
 +3.56
Taipei Team World Championship Qualification Tournament
2012-03-17 -> 2012-03-18
Rating: 2331.08 -> 2344.4
Opponent Rating Round Result R. Change
Huang Hsieh-Lung   1
win
 -
Cheng Chih-Liang   2
win
 -
Yang Yu-Hsiung 2122 3
win
 +7.40
Chen Wei-Han 2073 4
win
 +5.93
Chien Yung-Hsuan   5
win
 -
World Championship QT
2011-08-01 -> 2011-08-03
Rating: 2327.53 -> 2331.08
Opponent Rating Round Result R. Change
Chiang Ping-Hung   1
draw
 -
Andersson Tord 2174 2
win
 +9.38
Soosõrv Ants 2449 3
loss
 -10.62
Hou I-Cheng   4
loss
 -
Poghosyan Albert 2199 5
win
 +10.34
Kawamura Norihiko 2459 6
loss
 -10.20
Rybka Aleš 2019 7
win
 +4.65
Taipei World Championship Qualification Tournament
2011-04-16 -> 2011-04-17
Rating: 2323.2 -> 2327.53
Opponent Rating Round Result R. Change
Huang Sheng-Hsun 2001 1
win
 +4.33
2nd Taipei Yamaguchi Rule National Tournament
2011-02-19
Rating: 2339.08 -> 2323.2
Opponent Rating Round Result R. Change
Lin Liu-Min   1
loss
 -
Liu Chao-Yu   2
win
 -
Yang Yu-Hsiung   3
win
 -
Yang Kai-Ting   4
win
 -
Lin Huang-Yu 2341 5
loss
 -15.88
1st Taipei New Rule Trial Tournament
2010-10-17
Rating: 2339.08 -> 2339.08
Opponent Rating Round Result R. Change
Lin Ting-Wei 2226 1
loss
 0.00
Chen Kuo-Hui   2
win
 -
Lin Liu-Min   3
loss
 -
Chen Lung-Chuan 2075 4
win
 0.00
1st Taipei Yamaguchi Rule National Tournament
2010-07-25
Rating: 2320.21 -> 2339.08
Opponent Rating Round Result R. Change
Hsieh Jung-Kuo   1
win
 -
Cheng Chun-Chieh   2
win
 -
Lin Ting-Wei 2238 3
win
 +12.31
Chen Wei-Han 2084 4
win
 +6.56
Yang Kai-Ting   5
win
 -
Team World Championship
2010-04-29 -> 2010-05-05
Rating: 2314.51 -> 2320.21
Opponent Rating Round Result R. Change
Artemyev Sergey 2318 1
loss
 -15.81
Purk Andry 2462 2
win
 +22.44
Hõbemägi Martin 1853 3
win
 +2.11
Okabe Hiroshi 2558 4
loss
 -6.30
Eybatov Nizami 2141 5
win
 +8.61
Nagao Noriaki 2230 6
win
 +12.19
Yin Licheng 2296 7
win
 +15.16
Okabe Hiroshi 2558 8
loss
 -6.30
Purk Andry 2462 9
loss
 -9.56
Yin Licheng 2296 10
loss
 -16.84
World Championship AT
2009-08-06 -> 2009-08-13
Rating: 2409.86 -> 2314.51
Opponent Rating Round Result R. Change
Karasyov Maxim 2343 1
draw
 -3.04
Sushkov Vladimir 2524 2
loss
 -10.93
Wu Di 2514 3
loss
 -11.30
Taimla Tunnet 2552 4
loss
 -9.78
Okabe Hiroshi 2524 5
loss
 -10.92
Nakamura Shigeru 2810 6
loss
 -2.90
Ono Takayuki 2313 7
loss
 -20.31
Cao Dong 2493 8
draw
 +3.80
Purk Andry 2361 9
loss
 -18.24
Nykl Ondrej 2175 10
loss
 -25.41
Kozhin Mikhail 2359 11
win
 +13.67
World Championship QT
2009-08-03 -> 2009-08-05
Rating: 2363 -> 2409.86
Opponent Rating Round Result R. Change
Ono Takayuki 2253 2
win
 +11.10
Eged Igor 1985 3
draw
 -12.74
Karlsson Stefan 2308 4
win
 +13.50
Cao Dong 2471 5
draw
 +4.85
Oosumi Yuuki 2514 6
win
 +22.56
Nowakowski Maciej 2160 7
win
 +7.59
RIF update 2009-05-15
2009-05-15
Rating: 2354.73 -> 2363
Taipei World Championship Qualification Tournament
2009-05-03
Rating: 2340.98 -> 2354.73
Opponent Rating Round Result R. Change
Lu  Wei-Yuan 2162 1
win
 +8.45
Lin Liu-Min   2
loss
 -
Yang Yu-Hsiung   3
win
 -
Chen Wei-Han 2059 4
win
 +5.30
Taipei World Championship Qualification Tournament
2007-05-27
Rating: 2369.27 -> 2340.98
Opponent Rating Round Result R. Change
Wang Chih-Kung 2016 1
loss
 -28.28
Lo Hsun   2
win
 -
Lin Huang-Yu   3
loss
 -
Lin Liu-Min   4
win
 -
World Championship BT
2005-08-01 -> 2005-08-05
Rating: 2364.91 -> 2369.27
Opponent Rating Round Result R. Change
Tamura Kazumasa 2267 1
draw
 -4.37
Lind Bjorn 1920 2
loss
 -29.70
Kubo Izumi 2137 3
win
 +6.81
Kudomi Takahiro 2276 4
win
 +12.01
Serdyukov Egor 1991 5
win
 +3.35
Oblikas Mikk 1968 6
win
 +2.96
Poghosyan Albert 2264 7
win
 +11.51
Kozhin Mikhail 2380 8
win
 +16.73
Yamaguchi Yusui 2388 9
loss
 -14.93
World Championship QT
2005-07-29 -> 2005-07-31
Rating: 2368.88 -> 2364.91
Opponent Rating Round Result R. Change
Nowakowski Maciej 2160 1
win
 +7.40
Sushkov Vladimir 2486 2
loss
 -10.79
Kozhin Mikhail 2441 3
win
 +19.27
Cheng Wei-Yuan   4
draw
 -
Tarannikov Yuriy 2376 5
loss
 -15.63
Ishitani Shin-ichi 2374 6
win
 +16.26
Purk Andry 2268 7
loss
 -20.48
Taipei World Championship Qualification Tournament
2005-05-15
Rating: 2368.88 -> 2368.88
Opponent Rating Round Result R. Change
Cheng Wei-Yuan   1
win
 -
Lin Chiao-Ying   2
win
 -
Yang Chao-Chun   3
win
 -
Yang Yu-Hsiung   4
win
 -
World Championship BT
2003-08-02 -> 2003-08-08
Rating: 2368 = 2274 + (400 * (10.5 - 6.5)) / 17
Opponent Rating Round Result R. Change
Oll Aivo 1992 1
win
 -
Mitsumori Masao 2328 2
loss
 -
Purk Andry 1984 3
win
 -
Ilu Timo 2246 4
loss
 -
Eybatov Nizami 2269 5
win
 -
Chang Yi-Feng 2311 6
draw
 -
Chernov Sergey 2225 7
win
 -
Makarov Pavel 2425 8
win
 -
Lents Johann 2231 9
loss
 -
World Championship QT
2003-07-29 -> 2003-07-31
Provisional: 2431 = 2331 + (400 * (5 - 3)) / 8
Opponent Rating Round Result R. Change
Sakamoto Hirouji 2234 1
win
 -
Yamaguchi Yusui 2556 2
win
 -
Karlsson Stefan 2414 3
loss
 -
Ishitani Shin-ichi 2381 4
loss
 -
Chang Yi-Feng 2292 5
win
 -
Tarannikov Yuriy 2479 6
loss
 -
Lents Johann 2218 7
win
 -
Taipei World Championship Qualification Tournament
2003-04-12 -> 2003-04-13
Provisional: 2477 = 2077 + (400 * (1 - 0)) / 1
Opponent Rating Round Result R. Change
Chen Lung-Chuan 2077 1
win
 -
Cheng Wei-Yuan   2
loss
 -
Yu Tian-Lung   3
loss
 -
Chung Chun-Chih   4
draw
 -
Huang Nai-Yi   5
win
 -
Name: Ko-Han
Surname: Chen
Rating: 2289
Top Rating: 2484

Country: Chinese Taipei
City: Taipei

Wins: 146
Losses: 78
Draws: 28
Gy1: 43
Gy2: 53
Gy5: 107
Hover the mouse over the opponent's name to see the personal score of Ko-Han Chen with this player.
Time: 0.0219159126282 sec.