Ratings

KOH Bo Chao Alex (Singapore)

Ratings history

2025-09-29
2025-08-31
2025-07-31
2025-06-30
2025-05-31
2025-04-30
2025-03-31
2025-02-28
2025-01-31
2024-12-31
2024-06-30
2023-12-31
2023-06-30
2022-12-31
2022-06-30
2021-12-31
2021-06-30
2020-12-31
2020-06-30
2019-12-31
2019-06-30
2018-12-31
2018-06-30
2017-12-31
2017-06-30
2016-12-31
2016-06-30
2015-12-31
2015-06-30
2014-12-31
2014-06-30
2013-12-31
2013-06-30
2012-12-31
2012-06-30
2011-12-31
2011-06-30
2010-12-31
2010-06-30
2009-12-31
2009-06-30
2008-12-31
2008-06-30
2227
2217
2213
2227
2268
2267
2262
2253
2248
2241
2179
2178
2167
2158
2200
2223
2241
2267
2241
2236
2264
2295
2310
2236
2222
2231
2302
2249
2296
2268
2217
2237
2179
2210
2245
2225
2144
2184
2297
2329
2192
2235
2012
Show the ratings ⇩

 

66 tournaments
501 results
Player ID: 250003
Rated 1 in Singapore and T94 in Asia&Oceania&Africa and T103 in the World
Latest rating: 2227
WOF online rating: 1871, view profile on Vint.ee

Alex Koh is the #1 rated player in Singapore and has played Othello competitively since 2008. Alex played his first World Othello Championship in 2011 in New York, USA, finishing in 13th place; a rather commendable first performance in a world championship! Alex's best finish at a WOC was in 2024 in Hangzhou where he finished in 8th place with 9 wins.

 

2025-09-28: Singapore open sept 2025(Singapore)
KOH Bo Chao Alex47-17TAN Lucas
GOH Jun Jie Anthony15-49KOH Bo Chao Alex
KOH Bo Chao Alex49-15TAN Ryan
TAY YI An21-43KOH Bo Chao Alex
KOH Bo Chao Alex25-39LEONG Chee Kit
KURNIAWAN Samuel Henry25-39KOH Bo Chao Alex
2025-06-01: Singapore National championship(Singapore)
LEONG Chee Kit33-31KOH Bo Chao Alex
KOH Bo Chao Alex24-40KOH Bo Xiang
LI Chun Wan36-28KOH Bo Chao Alex
TAN Meng Lin30-34KOH Bo Chao Alex
KOH Bo Chao Alex47-17LOW Kang Sheng
2025-05-11: Singapore Open(Singapore)
KOH Bo Chao Alex48-16TAN Meng Lin
SIA Cheng Yong26-38KOH Bo Chao Alex
NG Jason18-46KOH Bo Chao Alex
KOH Bo Chao Alex47-17KURNIAWAN Samuel Henry
KOH Jun Kai13-51KOH Bo Chao Alex
2024-12-28: Singapore Masters(Singapore)
GOH Jun Jie Anthony18-46KOH Bo Chao Alex
KOH Bo Chao Alex32-32KOH Bo Xiang
SIA Cheng Yong33-31KOH Bo Chao Alex
KOH Bo Chao Alex34-30NGIAM Zhen Wei
LEONG Chee Kit43-21KOH Bo Chao Alex
KOH Bo Chao Alex40-24KURNIAWAN Samuel Henry
LOW Kang Sheng24-40KOH Bo Chao Alex
2024-10-25 → 2024-10-27: WOC 2024(World)
KOH Bo Chao Alex51-13YORGANCI Mehmet
DE GRAAF Jan C.26-38KOH Bo Chao Alex
KOH Bo Chao Alex35-29TOMITA Yo
KASHIWABARA Takuji10-54KOH Bo Chao Alex
KOH Bo Chao Alex16-48SONG Yan
KURITA Seiya52-12KOH Bo Chao Alex
LI Chun Wan23-41KOH Bo Chao Alex
KOH Bo Chao Alex33-31GUTOROV Ivan
CHANG Chun Yi20-44KOH Bo Chao Alex
KOH Bo Chao Alex34-30CHEN Po Yun
TAKANASHI Yusuke29-35KOH Bo Chao Alex
KOH Bo Chao Alex25-39WILLIAM Joanna
KOH Bo Chao Alex26-38DU Zhouzi
2024-06-09: Singapore National Championship 2024(Singapore)
LEE Choon Foong23-41KOH Bo Chao Alex
KOH Bo Chao Alex30-34KOH Bo Xiang
HO Randall26-38KOH Bo Chao Alex
KOH Bo Chao Alex49-15WIRAWAN Daniel
KOH Bo Chao Alex26-38LI Chun Wan
KWEK Jin Xiang00-64KOH Bo Chao Alex
LAM Maverick48-16KOH Bo Chao Alex
KOH Bo Chao Alex40-24KOH Bo Xiang
2024-03-31: Singapore open Mar 2024(Singapore)
KOH Bo Chao Alex42-22LIN Xin Rui
KOH DING SHENG Calvin15-49KOH Bo Chao Alex
KOH Bo Chao Alex38-26LEE Choon Foong
KURNIAWAN Samuel Henry31-33KOH Bo Chao Alex
LEONG Chee Kit33-31KOH Bo Chao Alex
KOH Bo Chao Alex39-25KOH Bo Xiang
2023-12-10: Singapore Masters 2023(Singapore)
SIA Cheng Yong18-46KOH Bo Chao Alex
KOH Bo Chao Alex30-34LEE Choon Foong
GOH Jun Jie Anthony34-30KOH Bo Chao Alex
KOH Bo Chao Alex43-21LIN WEI HAO Roy
TAKASAKI Yutaro37-27KOH Bo Chao Alex
KOH Bo Chao Alex34-30KOH Bo Xiang
LEONG Chee Kit24-40KOH Bo Chao Alex
2023-11-12: Singapore Open Nov 2023(Singapore)
KOH Bo Chao Alex32-32KURNIAWAN Samuel Henry
LIN Xin Rui27-37KOH Bo Chao Alex
KOH Bo Chao Alex33-31TAN Ryan
GOH Jun Jie Anthony21-43KOH Bo Chao Alex
KOH Bo Chao Alex20-44KWEK Jin Xiang
NG Jason23-41KOH Bo Chao Alex
2023-07-16: Singapore open 07/23(Singapore)
KOH Bo Chao Alex35-29TAKASAKI Yutaro
LEE Choon Foong52-12KOH Bo Chao Alex
KOH Bo Chao Alex47-17WIRAWAN Daniel
KOH DING SHENG Calvin29-35KOH Bo Chao Alex
KOH Bo Chao Alex24-40GOH Jun Jie Anthony
SIA Cheng Yong34-30KOH Bo Chao Alex
2023-06-04: Singapore National Championship 2023(Singapore)
KOH Bo Chao Alex42-22KOH DING SHENG Calvin
ONG WEI KOK Jason31-33KOH Bo Chao Alex
KOH Bo Chao Alex15-49KURNIAWAN Samuel Henry
TAKASAKI Yutaro29-35KOH Bo Chao Alex
KOH Bo Chao Alex39-25HO Randall
KOH Bo Xiang45-19KOH Bo Chao Alex
KOH Bo Chao Alex51-13LI Chun Wan
2023-03-05: Singapore Open 3/23(Singapore)
KOH DING SHENG Calvin11-53KOH Bo Chao Alex
KOH Bo Chao Alex36-28LEE Choon Foong
LIN WEI HAO Roy22-42KOH Bo Chao Alex
KOH Bo Chao Alex41-23SIA Cheng Yong
KOH Bo Chao Alex35-29LEONG Chee Kit
HO Randall31-33KOH Bo Chao Alex
2022-12-04: Singapore Masters Series SOMS (Singapore)
GOH Jun Jie Anthony29-35KOH Bo Chao Alex
KOH Bo Chao Alex45-19WIRAWAN Daniel
WU Jin Feng16-48KOH Bo Chao Alex
KOH Bo Chao Alex36-28LEE Choon Foong
KOH Bo Xiang37-27KOH Bo Chao Alex
KOH Bo Chao Alex39-25NGIAM Zhen Wei
LIN WEI HAO Roy39-25KOH Bo Chao Alex
2022-06-19: Singapore National Championship(Singapore)
LOK Qi Jun20-44KOH Bo Chao Alex
KOH Bo Chao Alex28-36LEE Choon Foong
KURNIAWAN Samuel Henry30-34KOH Bo Chao Alex
KOH Bo Chao Alex26-38CHONG Sky
GOH Jun Jie Anthony19-45KOH Bo Chao Alex
KOH Bo Chao Alex42-22TAN Meng Lin
WU Jin Feng13-51KOH Bo Chao Alex
KOH Bo Chao Alex54-10GOH Jun Jie Anthony
KOH Bo Xiang37-27KOH Bo Chao Alex
2021-12-25: Singapore Masters 2021(Singapore)
KOH Bo Chao Alex48-16WU Jin Feng
TAY YI An23-41KOH Bo Chao Alex
KOH Bo Chao Alex45-19KOH Bo Xiang
KOH Bo Chao Alex39-25GOH Jun Jie Anthony
GOH Jun Jie Anthony26-38KOH Bo Chao Alex
KOH Bo Chao Alex36-28LEONG Chee Kit
LEONG Chee Kit40-24KOH Bo Chao Alex
LEONG Chee Kit26-38KOH Bo Chao Alex
2021-11-07: Singapore Championship 2021(Singapore)
KOH Bo Chao Alex29-35GOH Jun Jie Anthony
GOH Jun Jie Anthony28-36KOH Bo Chao Alex
GOH Jun Jie Anthony34-30KOH Bo Chao Alex
2020-12-26: Singapore Master Series(Singapore)
KOH Bo Chao Alex44-20KURNIAWAN Samuel Henry
KOH Bo Chao Alex33-31WIRAWAN Daniel
MUHAMMAD Abduh17-47KOH Bo Chao Alex
KOH Bo Chao Alex41-23LEONG Chee Kit
KOH Bo Chao Alex30-34KOH Bo Xiang
2020-11-29: Singapore National Othello Championship 2020(Singapore)
KOH Bo Xiang33-31KOH Bo Chao Alex
KOH Bo Chao Alex41-23KURNIAWAN Samuel Henry
KOH Bo Chao Alex52-12GOH Li Fan Shawn
LEONG Chee Kit28-36KOH Bo Chao Alex
KOH Bo Chao Alex44-20LEONG Chee Kit
KOH Bo Chao Alex31-33KOH Bo Xiang
KOH Bo Xiang33-31KOH Bo Chao Alex
2020-02-16: 28th Singapore Open(Singapore)
MUHAMMAD Abduh15-49KOH Bo Chao Alex
KOH Bo Chao Alex42-22TAY YI An
KOH Bo Chao Alex24-40KOH Bo Xiang
LEONG Chee Kit17-47KOH Bo Chao Alex
KURNIAWAN Samuel Henry05-59KOH Bo Chao Alex
KOH Bo Chao Alex42-22SIA Cheng Yong
2019-12-08: Singapore Master Series Div A(Singapore)
KOH Bo Chao Alex47-17LOW Wee Hao Eddie
SIA Cheng Yong16-48KOH Bo Chao Alex
KOH Bo Chao Alex41-23LOW Kang Sheng
LEONG Chee Kit31-33KOH Bo Chao Alex
KOH Bo Chao Alex42-22KOH Bo Xiang
GOH Jun Jie Anthony27-37KOH Bo Chao Alex
KOH Bo Chao Alex35-29KWEK Jin Xiang
2019-10-27: 26th Singapore Open(Singapore)
KOH Bo Chao Alex41-23GOH Li Fan Shawn
KOH Bo Chao Alex28-36LEONG Chee Kit
NGIAM Zhen Wei31-33KOH Bo Chao Alex
SIA Cheng Yong16-48KOH Bo Chao Alex
KOH Bo Chao Alex41-23GOH Jun Jie Anthony
TOH Choon Hong22-42KOH Bo Chao Alex
KOH Bo Chao Alex53-11TAN Meng Lin
2019-10-09 → 2019-10-11: WOC 2019(World)
KOH Bo Chao Alex27-37SATANI Tetsu
SASHKA Chinzorig35-29KOH Bo Chao Alex
KOH Bo Chao Alex60-04PLOWMAN Mark
DE CAMARGO Lucas16-48KOH Bo Chao Alex
KOH Bo Chao Alex48-16FU Velma
LINDE Mathias18-46KOH Bo Chao Alex
KOH Bo Chao Alex29-35SOHR Jaeyoung
LEE Chun Wai26-38KOH Bo Chao Alex
KOH Bo Chao Alex34-30HU Ying Chong
BERG Matthias32-32KOH Bo Chao Alex
KOH Bo Chao Alex43-21YANG Kelvin
TAKANASHI Yusuke33-31KOH Bo Chao Alex
KOH Bo Chao Alex16-48FU Jacky
2019-09-29: 25th Singapore Open(Singapore)
GOH Chong Wei Keith04-60KOH Bo Chao Alex
KOH Bo Xiang11-53KOH Bo Chao Alex
KOH Bo Chao Alex35-29SIA Cheng Yong
KWEK Jin Xiang22-42KOH Bo Chao Alex
KOH Bo Chao Alex33-31GOH Jun Jie Anthony
KOH Bo Chao Alex40-24LOW Kang Sheng
WIRAWAN Daniel41-23KOH Bo Chao Alex
2019-08-24: 24th Singapore Open(Singapore)
LIM Chan Way19-45KOH Bo Chao Alex
KOH Bo Chao Alex50-14SUTANTO Yogamurti
KWEK Jin Xiang33-31KOH Bo Chao Alex
KOH Bo Chao Alex50-14GOZALI RENDY Wiyogo
KOH Bo Chao Alex33-31KURNIAWAN Samuel Henry
WIRAWAN Daniel26-38KOH Bo Chao Alex
KOH Bo Chao Alex45-19LOW Kang Sheng
2019-06-30: Singapore Championship(Singapore)
KOH Bo Chao Alex53-11CHUA Zi Wei
KWEK Jin Xiang51-13KOH Bo Chao Alex
KOH Bo Chao Alex56-08WIRAWAN Daniel
GAN Chin Leng Jacky24-40KOH Bo Chao Alex
KOH Bo Chao Alex35-29LEE Choon Foong
KOH Bo Xiang39-25KOH Bo Chao Alex
KOH Bo Chao Alex30-34CHEW Ching Wuen
2018-12-16: Singapore Othello Master Series (Division A)(Singapore)
KOH Bo Chao Alex37-27SIA Cheng Yong
KOH Bo Chao Alex44-20LEONG Chee Kit
GOH Jun Jie Anthony24-40KOH Bo Chao Alex
KOH Bo Chao Alex35-29KOH Bo Xiang
NGIAM Zhen Wei26-38KOH Bo Chao Alex
KOH Bo Chao Alex30-34WU Jin Feng
LOW Wee Hao Eddie28-36KOH Bo Chao Alex
2018-08-12: Singapore Championship(Singapore)
KOH Bo Chao Alex12-52GOH Jun Jie Anthony
LOW Kang Sheng16-48KOH Bo Chao Alex
KOH Bo Chao Alex36-28WU Jin Feng
CHONG Sky27-37KOH Bo Chao Alex
KOH Bo Chao Alex45-19FU Velma
KOH Bo Chao Alex28-36LEE Choon Foong
MAK Wai Tung30-34KOH Bo Chao Alex
KOH Bo Chao Alex45-19MADRONA Mario
LEE Choon Foong25-39KOH Bo Chao Alex
2018-07-29: 21st Singapore Open 2018(Singapore)
SIA Cheng Yong35-29KOH Bo Chao Alex
KOH Bo Chao Alex42-22LOW Kang Sheng
KWEK Jin Xiang25-39KOH Bo Chao Alex
KOH Bo Chao Alex33-31NGIAM Zhen Wei
KOH Bo Xiang30-34KOH Bo Chao Alex
KOH Bo Chao Alex50-14KURNIAWAN Samuel Henry
GOH Jun Jie Anthony15-49KOH Bo Chao Alex
2018-06-02: 2018 Hong Kong Othello Championships(Hong-Kong)
KOH Bo Chao Alex57-07TO Sin Ying
FU Velma23-41KOH Bo Chao Alex
KOH Bo Chao Alex39-25HUI Chun Kit
CHOW Ka Ming30-34KOH Bo Chao Alex
KOH Bo Chao Alex42-22MAK Wai Tung
SONG Yan47-17KOH Bo Chao Alex
KOH Bo Chao Alex33-31CHEN Kai
KOH Bo Chao Alex21-43LEE Chun Wai
KOH Bo Chao Alex43-21CHOW Ka Ming
2018-03-25: 19th Singapore Open 2018(Singapore)
KOH Bo Chao Alex35-29SIA Cheng Yong
GOH Jun Jie Anthony20-44KOH Bo Chao Alex
KOH Bo Chao Alex37-27WIRAWAN Daniel
LEE Choon Foong21-43KOH Bo Chao Alex
KOH Bo Chao Alex35-29KOH Bo Xiang
NGIAM Zhen Wei19-45KOH Bo Chao Alex
KOH Bo Chao Alex36-28NG Wei Jie
2018-01-21: 18th Singapore Open(Singapore)
KOH Bo Chao Alex56-08NG Chelsia
KWEK Jin Xiang27-37KOH Bo Chao Alex
KOH Bo Chao Alex47-17LOW Wee Hao Eddie
KOH Bo Xiang24-40KOH Bo Chao Alex
GOH Jun Jie Anthony25-39KOH Bo Chao Alex
KOH Bo Chao Alex52-12SIM Ping Khuan
LOW Kang Sheng21-43KOH Bo Chao Alex
2017-09-24: 17th Singapore Open 2017(Singapore)
KURNIAWAN Samuel Henry17-47KOH Bo Chao Alex
KOH Bo Chao Alex54-10NGIAM Zhen Wei
SIA Cheng Yong15-49KOH Bo Chao Alex
KOH Bo Chao Alex46-18LOW Wee Hao Eddie
GOH Jun Jie Anthony30-34KOH Bo Chao Alex
KOH Bo Chao Alex39-25KER Ming Han
KOH Bo Xiang36-28KOH Bo Chao Alex
2017-07-09: Singapore National Othello Championship 2017(Singapore)
KOH Bo Chao Alex44-20LIM Wee Kiat
CHONG Sky27-37KOH Bo Chao Alex
KOH Bo Chao Alex26-38LOW Wee Hao Eddie
WU Jin Feng26-38KOH Bo Chao Alex
KOH Bo Chao Alex35-29LEONG Chee Kit
DONG Zhen24-40KOH Bo Chao Alex
KOH Bo Chao Alex17-47LEE Choon Foong
2017-02-19: 15th Singapore Open(Singapore)
KOH Bo Chao Alex24-40KER Ming Han
SIOW Nicholas09-55KOH Bo Chao Alex
KOH Bo Chao Alex39-25WITA Claudia Aurina
KWEK Jin Xiang20-44KOH Bo Chao Alex
KOH Bo Chao Alex31-33WU Jin Feng
POH Kian Hong Alvin31-33KOH Bo Chao Alex
KOH Bo Chao Alex36-28LOW Wee Hao Eddie
2016-11-02 → 2016-11-04: WOC 2016 (Mito)(World)
KOH Bo Chao Alex50-14FELDBORG Karsten
LI Chun Wan33-31KOH Bo Chao Alex
KOH Bo Chao Alex33-31KASHIWABARA Takuji
HAI Jerry32-32KOH Bo Chao Alex
KOH Bo Chao Alex28-36WADA Masaki
GAERTNER Joerg15-49KOH Bo Chao Alex
KIM Seongchan27-37KOH Bo Chao Alex
KOH Bo Chao Alex34-30ROSE Brian
MITSUYA Nobuaki38-26KOH Bo Chao Alex
KOH Bo Chao Alex23-41OH Joungmok
KOH Bo Chao Alex40-24HOBO Roel
JUIGNER Arthur18-46KOH Bo Chao Alex
KOH Bo Chao Alex26-38PECZKOWSKI Pawel
2016-10-30: 14th Singapore Open(Singapore)
KOH Bo Chao Alex50-14LIM Xin Yi
LIEW Gary21-43KOH Bo Chao Alex
LEONG Chee Kit24-40KOH Bo Chao Alex
KOH Bo Chao Alex45-19MUHAMMAD Nur Hakim
KOH Bo Xiang42-22KOH Bo Chao Alex
KOH Bo Chao Alex30-34CHUA Woon Yang
CHEW Ching Wuen25-39KOH Bo Chao Alex
2016-06-05: Singapore National Othello Championship 2016(Singapore)
KOH Bo Chao Alex47-17YAP Kok Soon
NG Hui Wen29-35KOH Bo Chao Alex
KOH Bo Chao Alex40-24YAP Siew Kun
LIN WEI HAO Roy14-50KOH Bo Chao Alex
KOH Bo Chao Alex35-29LEONG Chee Kit
LI Chun Wan25-39KOH Bo Chao Alex
KOH Bo Chao Alex18-46LEE Choon Foong
KOH Bo Chao Alex29-35KOH Bo Xiang
CHEW Ching Wuen27-37KOH Bo Chao Alex
2016-03-27: Thailand Othello Championship(Thailand)
KOH Bo Chao Alex35-29SRITARAPHAN Pharisorn
GAN Chin Leng Jacky18-46KOH Bo Chao Alex
KOH Bo Chao Alex33-31HEMPIJIT Woramet
SRICHAMNONG Jirawat52-12KOH Bo Chao Alex
KOH Bo Chao Alex43-21IAMCHIRANGKUL Sitthichai
AUNCHULEE Rujipas29-35KOH Bo Chao Alex
KOH Bo Chao Alex34-30KOH Bo Xiang
KOH Bo Chao Alex28-36AUNCHULEE Rujipas
AUNCHULEE Rujipas25-39KOH Bo Chao Alex
KOH Bo Chao Alex24-40AUNCHULEE Rujipas
2015-12-20: 5th Singapore Othello Masters 2015 - Division One(Singapore)
KOH Bo Chao Alex29-35PAW Su Lin Kenneth
KOH Bo Chao Alex33-31CHONG Sky
KOH Bo Xiang35-29KOH Bo Chao Alex
KOH Bo Chao Alex38-26CHEW Ching Wuen
LEONG Chee Kit48-16KOH Bo Chao Alex
KOH Bo Chao Alex39-25LEE Choon Foong
LIN WEI HAO Roy30-34KOH Bo Chao Alex
2015-11-01: 12th Singapore Open(Singapore)
KOH Bo Chao Alex61-03WIRAWAN Daniel
TANZIL Hermanto21-43KOH Bo Chao Alex
KOH Bo Chao Alex47-17LIN WEI HAO Roy
LEONG Chee Kit56-08KOH Bo Chao Alex
KOH Bo Chao Alex34-30HAMIJOYO Kevin
LEE Choon Foong44-20KOH Bo Chao Alex
2015-08-02: Singapore National Othello Championship 2015(Singapore)
LIM Wee Kiat19-45KOH Bo Chao Alex
KOH Bo Chao Alex40-24PAW Su Lin Kenneth
KOH Bo Xiang36-28KOH Bo Chao Alex
KOH Bo Chao Alex49-15LOW Wee Hao Eddie
LEE Choon Foong22-42KOH Bo Chao Alex
KOH Bo Chao Alex47-17CHONG Sky
HIDAYAT Romy27-37KOH Bo Chao Alex
KOH Bo Chao Alex30-34KOH Bo Xiang
KOH Bo Chao Alex32-32HIDAYAT Romy
2014-12-21: 4th Singapore Othello Masters Series 2014 - Division 1(Singapore)
KOH Bo Chao Alex58-06GAN Chin Leng Jacky
KOH Bo Chao Alex33-31LEONG Chee Kit
CHEW Ching Wuen25-39KOH Bo Chao Alex
KOH Bo Chao Alex32-32KOH Bo Xiang
PAW Su Lin Kenneth22-42KOH Bo Chao Alex
KOH Bo Chao Alex43-21LIN WEI HAO Roy
LOW Wee Hao Eddie29-35KOH Bo Chao Alex
2014-11-06 → 2014-11-08: WOC 2014 (Bangkok)(World)
HUGHES Scott29-35KOH Bo Chao Alex
KOH Bo Chao Alex49-15VALLUND Henrik
SUEKUNI Makoto37-27KOH Bo Chao Alex
KOH Bo Chao Alex22-42HEMPIJIT Woramet
MILANKOV Samuel06-58KOH Bo Chao Alex
KOH Bo Chao Alex36-28KASHIWABARA Takuji
FU Jacky31-33KOH Bo Chao Alex
DELAUNAY Arnaud29-35KOH Bo Chao Alex
KOH Bo Chao Alex23-41SEELEY Ben
KOH Bo Chao Alex35-29LAI Meng Joo
OKAMOTO Kazuki47-17KOH Bo Chao Alex
KOH Bo Chao Alex28-36VAN DEN BIGGELAAR Nicky
ALBRIGTSEN Vidar23-41KOH Bo Chao Alex
2014-09-27: 11th Singapore Open(Singapore)
KOH Bo Chao Alex28-36LIM Xin Yi
IRAWAN Henry12-52KOH Bo Chao Alex
KOH Bo Chao Alex48-16HAMIJOYO Kevin
CHEW Ching Wuen28-36KOH Bo Chao Alex
KOH Bo Chao Alex50-14CHUA Woon Yang
PAW Su Lin Kenneth42-22KOH Bo Chao Alex
2014-08-03: 7th Singapore National(Singapore)
KOH Bo Chao Alex33-31CHEW Ching Wuen
PAW Su Lin Kenneth28-36KOH Bo Chao Alex
KOH Bo Chao Alex39-25KOH Bo Xiang
LEONG Chee Kit28-36KOH Bo Chao Alex
KOH Bo Chao Alex23-41CHONG Sky
LEE Choon Foong27-37KOH Bo Chao Alex
KOH Bo Chao Alex50-14CHUA Woon Yang
KOH Bo Chao Alex36-28CHONG Sky
CHONG Sky31-33KOH Bo Chao Alex
KOH Bo Chao Alex36-28CHEW Ching Wuen
CHEW Ching Wuen28-36KOH Bo Chao Alex
2013-08-24: Singapore Championship(Singapore)
CHONG Sky14-50KOH Bo Chao Alex
KOH Bo Chao Alex53-11PAW Su Lin Kenneth
CHEW Ching Wuen31-33KOH Bo Chao Alex
KOH Bo Chao Alex45-19LEE Choon Foong
HIDAYAT Romy30-34KOH Bo Chao Alex
GOH Jun Jie Anthony29-35KOH Bo Chao Alex
KOH Bo Chao Alex34-30LIN WEI HAO Roy
KOH Bo Chao Alex38-26KOH Bo Xiang
KOH Bo Xiang31-33KOH Bo Chao Alex
KOH Bo Chao Alex39-25PAW Su Lin Kenneth
PAW Su Lin Kenneth41-23KOH Bo Chao Alex
PAW Su Lin Kenneth32-32KOH Bo Chao Alex
2013-07-21: 10th Singapore Open(Singapore)
WU Jin Feng33-31KOH Bo Chao Alex
KOH Bo Chao Alex38-26TAN Yan Shao
LOW Wee Hao Eddie31-33KOH Bo Chao Alex
CHEANG Eu Howe Gabriel26-38KOH Bo Chao Alex
KOH Bo Chao Alex39-25CHEW Ching Wuen
KOH Bo Xiang25-39KOH Bo Chao Alex
LIN WEI HAO Roy28-36KOH Bo Chao Alex
2013-05-19: 9th Singapore Open 2013(Singapore)
KOH Bo Chao Alex64-00LOW Wei Xin Wilson
CHEANG Eu Howe Gabriel12-52KOH Bo Chao Alex
KOH Bo Chao Alex49-15WU Jin Feng
KOH Bo Chao Alex47-17LOW Wee Hao Eddie
2013-03-31: 34_Meijin(Japan)
KIYONOBU Kentawon againstKOH Bo Chao Alex
KOH Bo Chao Alexwon againstISEDA Katsuya
KOH Bo Chao Alexwon againstGOTO Masahiro
KOH Bo Chao Alexwon againstARAKI Yasuyuki
SUEKUNI Makotowon againstKOH Bo Chao Alex
KOH Bo Chao Alexwon againstKOMAGATA Masayuki
KOH Bo Chao Alexwon againstITAGAKI Kenichi
2013-03-17: 8th Singapore Open 2013(Singapore)
KOH Bo Chao Alex36-28CHUA Zi Wei
MUHAMMAD Nur Hakim24-40KOH Bo Chao Alex
KOH Bo Chao Alex46-18LOW Wee Hao Eddie
WU Jin Feng23-41KOH Bo Chao Alex
KOH Bo Chao Alex44-20LEONG Chee Kit
2013-01-24 → 2013-01-27: Othello World Cup(World)
BERG Matthiaswon againstKOH Bo Chao Alex
TAKIZAWA Masakiwon againstKOH Bo Chao Alex
NOWAK Dominikwon againstKOH Bo Chao Alex
MORENO Borjawon againstKOH Bo Chao Alex
KOH Bo Chao Alexwon againstPIHLAJAPURO Katie
KOH Bo Chao Alexwon againstKANG Le
KOH Bo Chao Alexwon againstWILLIAM Joanna
KOH Bo Chao Alexwon againstTAN KIN Piow
KOH Bo Chao Alexwon againstCUPIAL Milosz
KOH Bo Chao Alexwon againstFELDBORG Karsten
KOH Bo Chao Alexwon againstVINAR Matt
YAP Siew Kunwon againstKOH Bo Chao Alex
FRONMARK Marcuswon againstKOH Bo Chao Alex
2012-12-16: 2nd Singapore Othello Masters Series 2012(Singapore)
KOH Bo Chao Alex52-12SET Zhi Wei
KOH Bo Chao Alex27-37KOH Bo Xiang
LEONG Chee Kit36-28KOH Bo Chao Alex
KOH Bo Chao Alex22-42LIN WEI HAO Roy
WU Jin Feng24-40KOH Bo Chao Alex
KOH Bo Chao Alex48-16MUHAMMAD Nur Hakim
TAN Yan Shao21-43KOH Bo Chao Alex
2012-11-18: 7th Singapore Open(Singapore)
KOH Bo Chao Alex44-20SET Zhi Wei
WU Jin Feng23-41KOH Bo Chao Alex
KOH Bo Chao Alex31-33LEONG Chee Kit
CHUA Zi Wei24-40KOH Bo Chao Alex
KOH Bo Chao Alex51-13LOW Wee Hao Eddie
SET Zhi Wei24-40KOH Bo Chao Alex
2012-10-21: 6th Singapore Open 2012(Singapore)
KOH Bo Chao Alex49-15WU Jin Feng
LOW Wee Hao Eddie26-38KOH Bo Chao Alex
SET Zhi Wei19-45KOH Bo Chao Alex
KOH Bo Chao Alex51-13WONG Ci Siang
KOH Bo Chao Alex61-03LIM Wee Kiat
2012-09-09: 5th Singapore Open 2012 (Division A)(Singapore)
KOH Bo Chao Alex31-33LEE Choon Foong
CHEW Ching Wuen17-47KOH Bo Chao Alex
KOH Bo Chao Alex43-21KOH Bo Xiang
2012-08-04: Singapore Othello Championship(Singapore)
KOH Bo Chao Alex39-25LIM Yee Siang
WU Jin Feng41-23KOH Bo Chao Alex
KOH Bo Chao Alex54-10YONG Hui Fang
KOH Bo Xiang37-27KOH Bo Chao Alex
KOH Bo Chao Alex44-20TAN Yan Shao
2012-03-04: Meijin_groupA(Japan)
KOH Bo Chao Alex34-30MATSUYA Shinpei
KOH Bo Chao Alex38-26NAKANO Jo
KOH Bo Chao Alex32-32NAKAMORI Hiroki
KOH Bo Chao Alex33-31KANDA Yoshihiro
ITO Junya47-17KOH Bo Chao Alex
KOH Bo Chao Alex33-31UMEZAWA Yoshinori
ESAKI Yuta39-25KOH Bo Chao Alex
2011-12-04: Singapore Othello Masters Series - SOMS 2011(Singapore)
KOH Bo Chao Alex34-30YING Ke Sin
CHUA Zi Wei16-48KOH Bo Chao Alex
KOH Bo Chao Alex42-22KOH Bo Xiang
LEONG Chee Kit21-43KOH Bo Chao Alex
KOH Bo Chao Alex46-18NG Qi Han
KOH Bo Chao Alex40-24WILLIAM Joanna
WU Jin Feng14-50KOH Bo Chao Alex
2011-11-03 → 2011-11-05: WOC 2011 (New-York)(World)
KOH Bo Chao Alex36-28POIRIER Serge
FU Jacky31-33KOH Bo Chao Alex
KOH Bo Chao Alex30-34MARCONI Francesco
KRACZYK Roman29-35KOH Bo Chao Alex
KOH Bo Chao Alex31-33KANG Le
OH Joungmok30-34KOH Bo Chao Alex
KOH Bo Chao Alex22-42CHITRA Yohanes
VINAR Matt44-20KOH Bo Chao Alex
KOH Bo Chao Alex52-12FAKFANG Sakda
SURY Bartlomiej43-21KOH Bo Chao Alex
KOH Bo Chao Alex41-23DOUDA Tomas
RODRIGUEZ Ismael29-35KOH Bo Chao Alex
KOH Bo Chao Alex43-21ODEGARD Martin
2011-08-08: Singapore Championship(Singapore)
KOH Bo Chao Alex64-00NG Mei Xian Priscilla
TSOI Chun Yip23-41KOH Bo Chao Alex
KOH Bo Chao Alex37-27CHEW Ching Wuen
LEE Choon Foong31-33KOH Bo Chao Alex
KOH Bo Chao Alex47-17LEONG Chee Kit
CHONG Sky23-41KOH Bo Chao Alex
KOH Bo Chao Alex27-37TSOI Chun Yip
KOH Bo Chao Alex29-35LEONG Chee Kit
2011-07-24: Sosuco Thailand Open(Thailand)
RAKPRAKOBKIT Kittipong17-47KOH Bo Chao Alex
KOH Bo Chao Alex50-14JONGUDOMKARN Jongsalit
KOH Bo Chao Alex24-40AUNCHULEE Rujipas
CHEW Ching Wuen32-32KOH Bo Chao Alex
KOH Bo Chao Alex38-26PATTARAKUL Nida
OOI Stanley24-40KOH Bo Chao Alex
KOH Bo Chao Alex32-32KOH Bo Xiang
IAMCHIRANGKUL Sitthichai24-40KOH Bo Chao Alex
KOH Bo Chao Alex23-41AUNCHULEE Rujipas
AUNCHULEE Rujipas44-20KOH Bo Chao Alex
2010-12-11: Singapore Open Othello Championship(Singapore)
YAP Siew Kun35-29KOH Bo Chao Alex
KOH Bo Chao Alex51-13CHONG Wee Lee
SWEE Chuan Moh12-52KOH Bo Chao Alex
KOH Bo Chao Alex51-13CHEW Ching Wuen
LEE Choon Foong37-27KOH Bo Chao Alex
KOH Bo Chao Alex62-02LIM Nicholson
KOH Bo Chao Alex12-52LI Chun Wan
2010-08-14: Singapore National Othello Championship - SNOC2010(Singapore)
KOH Bo Chao Alex49-15LOW Wee Hao Eddie
NG Yen Lee22-42KOH Bo Chao Alex
KOH Bo Chao Alex33-31LEE Choon Foong
WILLIAM Joanna24-40KOH Bo Chao Alex
KOH Bo Chao Alex38-26SUEKUNI Makoto
KOH Bo Xiang44-20KOH Bo Chao Alex
KOH Bo Chao Alex29-35LEE Choon Foong
KOH Bo Chao Alex31-33SUEKUNI Makoto
2009-07-25: Singapore Othello Championship - SOC2009(Singapore)
LIM Hui Min Emily00-64KOH Bo Chao Alex
KOH Bo Chao Alex64-00KER Li Juin
LUI Him Lun11-53KOH Bo Chao Alex
KOH Bo Chao Alex48-16CHONG Sky
PAW Su Lin Kenneth25-39KOH Bo Chao Alex
SUEKUNI Makoto35-29KOH Bo Chao Alex
KOH Bo Chao Alex44-20WILLIAM Joanna
KOH Bo Chao Alex54-10LEE Choon Foong
2008-08-30: Singapore Open Othello Championship - SOOC2008(Singapore)
KOH Bo Chao Alex28-36NG Yen Lee
BUDIMAN Rusdi25-39KOH Bo Chao Alex
KOH Bo Chao Alex33-31YING Ke Sin
LEONG Chee Kit24-40KOH Bo Chao Alex
KOH Bo Chao Alex41-23CHONG Sky
KOH Bo Chao Alex18-46SUEKUNI Makoto
KOH Bo Xiang32-32KOH Bo Chao Alex
KOH Bo Chao Alex38-26LIEW Yik Meng
2008-05-31 → 2008-06-07: Singapore National Othello Championship - SNOC2008(Singapore)
KOH Bo Chao Alex47-17HO Yong Tze
YING Ke Sin31-33KOH Bo Chao Alex
CHONG Sky45-19KOH Bo Chao Alex
KOH Bo Chao Alex48-16ONG Wee Ling
WU Jin Feng22-42KOH Bo Chao Alex
KOH Bo Chao Alex46-18LEO Chin Ho
KOH Bo Xiang40-24KOH Bo Chao Alex
KOH Bo Chao Alex34-30LIN WEI HAO Roy
KOH Bo Chao Alex49-15ONG Shi Hao Samuel
KOH Bo Chao Alex41-23LEONG Chee Kit
KOH Bo Chao Alex37-27LEONG Chee Kit