| Date | Players & Opening | Result | ECO | View |
|---|---|---|---|---|
| 2019.01.31 | Tan, Li Ting (2096) vs (1787) Koo, Wei Wei Melanie 23rd GACC Inter-Varsity Chess Championship 2019 English Anglo-Indian - King's Knight |
1/2-1/2 | A15 | |
| 2019.01.30 | Ervan, Mohamad (2362) vs (1787) Koo, Wei Wei Melanie 23rd GACC Inter-Varsity Chess Championship 2019 Sicilian Yugoslav Dragon - Panov |
1-0 | B76 | |
| 2019.01.29 | Muhammad Supriyadi, (2139) vs (1787) Koo, Wei Wei Melanie 23rd GACC Inter-Varsity Chess Championship 2019 Sicilian Dragon |
0-1 | B70 | |
| 2019.01.29 | Koo, Wei Wei Melanie (1787) vs (1989) Azman Hisham, Nur Nabila 23rd GACC Inter-Varsity Chess Championship 2019 Indian East Indian |
1-0 | A48 | |
| 2017.12.18 | Koo, Wei Wei Melanie (1801) vs (2160) Sargsyan, Anna M. WORLD YOUTH UNDER-16 CHESS OLYMPIAD-2017 Queen's Pawn Closed - Symmetrical |
0-1 | D04 | |
| 2017.12.14 | Zairbek Kyzy, Begimay (1644) vs (1801) Koo, Wei Wei Melanie WORLD YOUTH UNDER-16 CHESS OLYMPIAD-2017 Sicilian Center Game - Smith-Morra |
1-0 | B21 | |
| 2017.12.13 | Koo, Wei Wei Melanie (1801) vs (1991) Nayem, Haque WORLD YOUTH UNDER-16 CHESS OLYMPIAD-2017 Indian East Indian - London |
0-1 | A48 | |
| 2017.12.11 | Njuguna, Edna Wangari vs (1801) Koo, Wei Wei Melanie WORLD YOUTH UNDER-16 CHESS OLYMPIAD-2017 Sicilian Dragon |
0-1 | B70 | |
| 2016.12.10 | Koo, Wei Wei Melanie (1665) vs (1525) Lee, Care Greene 8th Penang Heritage City International Chess Open 2016 Gruenfeld - Classical |
1/2-1/2 | E67 | |
| 2016.12.09 | Alivia, Novyansari (1736) vs (1665) Koo, Wei Wei Melanie 8th Penang Heritage City International Chess Open 2016 Sicilian - Hungarian |
1/2-1/2 | B27 | |
| 2016.12.09 | Koo, Wei Wei Melanie (1665) vs (1502) Tan, Yong Hau 8th Penang Heritage City International Chess Open 2016 Slav |
1/2-1/2 | D10 | |
| 2016.12.08 | Koo, Wei Xin Rosamund (1818) vs (1665) Koo, Wei Wei Melanie 8th Penang Heritage City International Chess Open 2016 Benko's opening |
1/2-1/2 | A00 | |
| 2016.12.07 | Koo, Wei Wei Melanie (1665) vs (1590) Teoh, Ern Sheng 8th Penang Heritage City International Chess Open 2016 Gruenfeld - Gruenfeld |
1/2-1/2 | E60 | |
| 2016.12.07 | Lim, See Siang Fergus (1573) vs (1665) Koo, Wei Wei Melanie 8th Penang Heritage City International Chess Open 2016 Sicilian - Hungarian |
0-1 | B27 | |
| 2016.12.06 | Koo, Wei Wei Melanie (1665) vs (1376) Tay, Xiong Ze Darren Christoph 8th Penang Heritage City International Chess Open 2016 Slav |
1-0 | D10 | |
| 2016.12.06 | Lai, Hong Jun (1317) vs (1665) Koo, Wei Wei Melanie 8th Penang Heritage City International Chess Open 2016 Old Benoni |
0-1 | A43 | |
| 2016.12.05 | Koo, Wei Wei Melanie (1665) vs (1400) Chin, Mei Qi 8th Penang Heritage City International Chess Open 2016 Queen's Gambit Declined |
1-0 | D30 | |
| 2016.07.11 | Hashemi, Seyede Fatemeh (1874) vs (1648) Koo, Wei Wei Melanie 12th Asian Schools Chess Championships 2016- Girls U15 Sicilian Closed |
1-0 | B23 | |
| 2016.03.19 | Koo, Wei Wei Melanie (1605) vs (1630) Chua, Jia-Tien Malaysian Chess Championship 2016 (Women) Queen's Pawn Zukertort - Alekhine |
0-1 | D15 | |
| 2016.01.31 | Foo, Chee Kin (1925) vs (1568) Koo, Wei Wei Melanie Shah Alam Challenger 2016 - 1st Edition Robatsch |
1-0 | B06 | |
| 2016.01.31 | Koo, Wei Wei Melanie (1568) vs (1826) Koo, Wei Xin Rosamund Shah Alam Challenger 2016 - 1st Edition Irregular Queen's Pawn - Kotov |
0-1 | A40 | |
| 2016.01.30 | Thanasegeren, Dinessh Kumar (1518) vs (1568) Koo, Wei Wei Melanie Shah Alam Challenger 2016 - 1st Edition Slav - Classical Exchange |
1/2-1/2 | D10 | |
| 2016.01.30 | Koo, Wei Wei Melanie (1568) vs (1442) Tan, Yong Hau Shah Alam Challenger 2016 - 1st Edition Semi-Slav - Anti-Meran |
1-0 | D43 | |
| 2016.01.24 | Singh, Kabir (1666) vs (1568) Koo, Wei Wei Melanie Shah Alam Challenger 2016 - 1st Edition Robatsch |
1-0 | B06 | |
| 2016.01.24 | Koo, Wei Wei Melanie (1568) vs (1778) Lim, Kian Hwa Shah Alam Challenger 2016 - 1st Edition Queen's Pawn Zukertort - Exchange Deferred |
1-0 | D37 | |
| 2016.01.24 | Yee, Jian Yang (1873) vs (1568) Koo, Wei Wei Melanie Shah Alam Challenger 2016 - 1st Edition Irregular Queen's Pawn - Kotov |
1-0 | A40 | |
| 2016.01.23 | Koo, Wei Wei Melanie (1568) vs (1721) Thanasegeren, Praghashkumar Shah Alam Challenger 2016 - 1st Edition Queen's Pawn Zukertort - Alekhine |
1-0 | D15 | |
| 2016.01.23 | Syabani, Muhammad Naqib (1306) vs (1568) Koo, Wei Wei Melanie Shah Alam Challenger 2016 - 1st Edition Robatsch |
0-1 | B06 | |
| 2015.12.11 | Tang, Wei Kit (1738) vs (1532) Koo, Wei Wei Melanie 7th Penang Heritage City International Chess Open 2015 Irregular Queen's Pawn - Kotov (Robatsch) |
1-0 | A40 | |
| 2015.12.09 | Singh, Eshwant (1750) vs (1532) Koo, Wei Wei Melanie 7th Penang Heritage City International Chess Open 2015 Robatsch |
1/2-1/2 | B06 | |
| 2015.12.09 | Muhammad, Khairul Umam vs (1532) Koo, Wei Wei Melanie 7th Penang Heritage City International Chess Open 2015 Robatsch |
1-0 | B06 | |
| 2015.12.08 | Koo, Wei Wei Melanie (1532) vs (1842) Liew, Ken Yew 7th Penang Heritage City International Chess Open 2015 Indian Knight - Szabo |
1-0 | E62 | |
| 2015.10.25 | Afonasieva, Anna (2093) vs (1653) Koo, Wei Wei Melanie WYCC Girls 14 Irregular Queen's Pawn - Kotov |
1-0 | A40 | |
| 2015.06.03 | Koo, Wei Wei Melanie (1577) vs (1786) Nithyalakshmi, Sivanesan Malaysian Masters 2015 (Women) King's Indian Fianchetto (Panno) |
1/2-1/2 | E63 | |
| 2015.06.02 | Bakri, Alia Anin Azwa (1942) vs (1577) Koo, Wei Wei Melanie Malaysian Masters 2015 (Women) Slav |
1/2-1/2 | D10 | |
| 2015.06.02 | Azman Hisham, Nur Nabila (2035) vs (1577) Koo, Wei Wei Melanie Malaysian Masters 2015 (Women) Semi-Slav Anti-Meran |
1-0 | D44 | |
| 2015.06.01 | Koo, Wei Wei Melanie (1577) vs (1924) Johari, Camilia Malaysian Masters 2015 (Women) Queen's Pawn Zukertort - Symmetrical |
1/2-1/2 | D02 | |
| 2015.06.01 | Narayanan, Renitha (1808) vs (1577) Koo, Wei Wei Melanie Malaysian Masters 2015 (Women) Slav - Classical Exchange |
1-0 | D10 | |
| 2015.05.31 | Koo, Wei Wei Melanie (1577) vs (1965) Tan, Li Ting Malaysian Masters 2015 (Women) Queen's Pawn Zukertort - Symmetrical |
1/2-1/2 | D02 | |
| 2015.05.31 | Azhar, Puteri Rifqah Fahada (1951) vs (1577) Koo, Wei Wei Melanie Malaysian Masters 2015 (Women) Sicilian Barnes - Kasparov |
1-0 | B44 | |
| 2015.05.30 | Koo, Wei Wei Melanie (1577) vs (1957) Azman Hisham, Nur Najiha Malaysian Masters 2015 (Women) Queen's Indian Fianchetto - Saemisch |
0-1 | E15 | |
| 2015.05.30 | Mohd Saufi, Najihah (1572) vs (1577) Koo, Wei Wei Melanie Malaysian Masters 2015 (Women) Sicilian Center Game - Smith-Morra |
0-1 | B21 |
| Date | Players & Opening | Result | ECO | View |
|---|---|---|---|---|
| 2024.07.18 | Marchand,Calix (1979) vs (1781) Koo,Minjun Canadian Open 2024 Sicilian Alapin |
1-0 | B22 | |
| 2024.07.17 | Koo,Minjun (1781) vs (1950) Filipovich,D Canadian Open 2024 Robatsch |
1-0 | B06 | |
| 2024.07.16 | Wilkin,A (1927) vs (1781) Koo,Minjun Canadian Open 2024 Sicilian O'Kelly |
1/2-1/2 | B28 | |
| 2024.07.16 | Koo,Minjun (1781) vs (1894) Offengenden,Ron Canadian Open 2024 Queen's Gambit Declined - Exchange |
1-0 | D35 | |
| 2024.07.15 | Koop,Alison Emily (1683) vs (1781) Koo,Minjun Canadian Open 2024 Queen's Gambit Declined |
0-1 | D30 | |
| 2024.07.14 | Koo,Minjun (1781) vs (1906) Chapdelaine,Gwyn Canadian Open 2024 English |
0-1 | A10 | |
| 2024.07.14 | Rousskikh,Maxim (1916) vs (1781) Koo,Minjun Canadian Open 2024 Queen's Gambit Declined - Janowski |
1/2-1/2 | D31 | |
| 2024.07.13 | Koo,Minjun (1781) vs (1940) Chipanga,T Canadian Open 2024 English Symmetrical |
0-1 | A30 | |
| 2023.07.30 | Usselman,Paul (1732) vs (1536) Koo,Minjun Canadian Open 2023 Reti |
1/2-1/2 | A04 | |
| 2023.07.29 | Koo,Minjun (1536) vs (1494) Todd,Adie Canadian Open 2023 Queen's Pawn - Chigorin |
1-0 | D00 | |
| 2023.07.28 | Sembrano,Joshua (1666) vs (1536) Koo,Minjun Canadian Open 2023 Queen's Pawn - Chigorin |
1-0 | D00 | |
| 2023.07.27 | Koo,Minjun (1536) vs (1472) Gibson,Leroy Canadian Open 2023 Irregular Queen's Pawn - Franco-Indian |
1-0 | A40 | |
| 2023.07.26 | Zou,Alex vs (1536) Koo,Minjun Canadian Open 2023 English Agincourt |
1/2-1/2 | A13 | |
| 2023.07.25 | Koo,Minjun (1536) vs Tcherni,Avram Canadian Open 2023 Indian |
1/2-1/2 | A45 | |
| 2023.07.24 | Daniluk,Ji (1762) vs (1536) Koo,Minjun Canadian Open 2023 Sicilian Closed |
1-0 | B23 | |
| 2023.07.23 | Koo,Minjun (1536) vs (1781) Ratte,Cameron Canadian Open 2023 Irregular Queen's Pawn - Franco-Indian |
0-1 | A40 | |
| 2023.07.23 | Pottinger,Carl (1865) vs (1536) Koo,Minjun Canadian Open 2023 Queen's Pawn Zukertort - London |
1/2-1/2 | D02 | |
| 2023.07.22 | Koo,Minjun (1536) vs (1906) Wu,Jonathan Canadian Open 2023 Indian |
0-1 | A45 | |
| 2018.09.07 | Koo, Wei Xin Rosamund (1918) vs Gusic, Jelena 36th World Junior Girls Queen's Pawn Zukertort |
1-0 | D02 | |
| 2018.09.05 | Ghukasyan, Siranush (2205) vs (1918) Koo, Wei Xin Rosamund 36th World Junior Girls Sicilian - Hungarian |
1-0 | B27 | |
| 2018.09.13 | Kyrkjebo, Marte B. (1935) vs (1918) Koo, Wei Xin Rosamund 36th World Junior Girls Sicilian Rossolimo (Fianchetto) - Rossolimo |
1/2-1/2 | B31 | |
| 2018.09.06 | Koo, Wei Xin Rosamund (1918) vs (2356) Hojjatova, Aydan 36th World Junior Girls Catalan Open (Classical) - Franco-Indian |
0-1 | E04 | |
| 2018.09.07 | Anacoglu, Cisel (1791) vs (1918) Koo, Wei Xin Rosamund 36th World Junior Girls Sicilian - Hungarian |
1-0 | B27 | |
| 2018.09.08 | Caxita, Esperanca (1803) vs (1918) Koo, Wei Xin Rosamund 36th World Junior Girls Sicilian |
1/2-1/2 | B33 | |
| 2018.09.10 | Koo, Wei Xin Rosamund (1918) vs (1727) Huttl, Sofie 36th World Junior Girls Semi-Slav - Cambridge Springs (Capablanca) |
1-0 | D52 | |
| 2018.09.15 | Koo, Wei Xin Rosamund (1918) vs (1798) Can, Isil 36th World Junior Girls Slav Rubinstein |
1-0 | D11 | |
| 2014.12.21 | Loay, Sameer (1802) vs (1846) Koo, Inmo World Youth U16 Olympiad Bishop's Opening Berlin |
1-0 | C24 | |
| 2014.12.20 | Koo, Inmo (1846) vs (1424) Giczi, Alexandra Lau World Youth U16 Olympiad French - Exchange |
1/2-1/2 | C01 | |
| 2014.12.19 | Koo, Inmo (1846) vs (2027) Csuta, Akos Koppany World Youth U16 Olympiad Sicilian - Exchange |
0-1 | B34 | |
| 2014.12.18 | Rebaz, Nasir Jamal (1719) vs (1846) Koo, Inmo World Youth U16 Olympiad Spanish Closed (Yates) - Bogolubov |
1-0 | C91 | |
| 2014.12.18 | Koo, Inmo (1846) vs (1760) Conradie, Andre World Youth U16 Olympiad Caro-Kann Exchange - Panov |
0-1 | B13 | |
| 2014.12.16 | Wilson, Kenzo Joseph vs (1846) Koo, Inmo World Youth U16 Olympiad Queen's Gambit Declined |
1/2-1/2 | D30 | |
| 2014.12.15 | Koo, Inmo (1846) vs (1529) Oltman, Kayla World Youth U16 Olympiad Caro-Kann Exchange - Panov |
0-1 | B13 | |
| 2014.12.14 | McGovern Leahy, Cian (1929) vs (1846) Koo, Inmo World Youth U16 Olympiad Slav Czech - Wiesbaden |
1-0 | D17 | |
| 2014.12.14 | Koo, Inmo (1846) vs (2058) Holtman, Teodor World Youth U16 Olympiad Sicilian O'Kelly |
0-1 | B28 | |
| 2014.12.13 | Szostko, Jakub (2168) vs (1846) Koo, Inmo World Youth U16 Olympiad French Tarrasch |
1-0 | C03 | |
| 2015.12.12 | Kumar, Sri Shiva (1634) vs (1864) Koo, Wei Xin Rosamun 7th Penang Open 2015 Reti |
0-1 | A04 | |
| 2015.12.11 | Koo, Wei Xin Rosamun (1864) vs Eunice, Hng Mei-Xian 7th Penang Open 2015 Indian Knight - Spielmann |
0-1 | A46 | |
| 2015.12.11 | Chua, Xue Kai Alfred (1583) vs (1864) Koo, Wei Xin Rosamun 7th Penang Open 2015 Robatsch |
1-0 | B06 | |
| 2015.12.10 | Koo, Wei Xin Rosamun (1864) vs (1959) Chan, Yi Meng Ryan 7th Penang Open 2015 Queen's Pawn Zukertort - Symmetrical |
0-1 | D02 | |
| 2018.09.14 | Koo, Wei Xin Rosamund (1918) vs (1898) Koljevic, Nikolina 36th World Junior Girls Queen's Pawn Zukertort |
1-0 | D02 | |
| 2015.12.09 | Sunardi, S. (2078) vs (1864) Koo, Wei Xin Rosamun 7th Penang Open 2015 Robatsch |
1-0 | B06 | |
| 2015.12.09 | Koo, Wei Xin Rosamun (1864) vs (2233) Navalgund, N. 7th Penang Open 2015 King's Indian Fianchetto (Panno) |
0-1 | E63 | |
| 2015.12.08 | Yeap, E. (2128) vs (1864) Koo, Wei Xin Rosamun 7th Penang Open 2015 English - Snake |
0-1 | A10 | |
| 2015.12.08 | Koo, Wei Xin Rosamun (1864) vs (1985) Kamarunsalehin, A. 7th Penang Open 2015 Indian East Indian |
1-0 | A48 | |
| 2015.12.07 | Low, Zhen Yu Cyrus (2256) vs (1864) Koo, Wei Xin Rosamun 7th Penang Open 2015 Robatsch |
1-0 | B06 | |
| 2017.12.18 | Koo, Wei Wei Melanie (1801) vs (2160) Sargsyan, Anna M World Youth U16 Olympiad Queen's Pawn Closed - Symmetrical |
0-1 | D04 | |
| 2017.12.14 | Zairbek kyzy, Begima (1644) vs (1801) Koo, Wei Wei Melanie World Youth U16 Olympiad Sicilian Center Game - Smith-Morra |
1-0 | B21 | |
| 2017.12.13 | Koo, Wei Wei Melanie (1801) vs (1991) Nayem, Haque World Youth U16 Olympiad Indian East Indian - London |
0-1 | A48 | |
| 2017.12.11 | Njuguna, Edna Wangar vs (1801) Koo, Wei Wei Melanie World Youth U16 Olympiad Sicilian Dragon |
0-1 | B70 | |
| 2017.12.11 | Njuguna, Edna Wangar vs (1801) Koo, Wei Wei Melanie World Youth U16 Olympiad Sicilian Dragon |
0-1 | B70 | |
| 2018.09.11 | Gomez Barrera, Javiera Belen (2035) vs (1918) Koo, Wei Xin Rosamund 36th World Junior Girls Sicilian |
1-0 | B33 | |
| 2018.09.12 | Koo, Wei Xin Rosamund (1918) vs (2014) Celik, Eylul 36th World Junior Girls English Anglo-Slav |
0-1 | A11 | |
| 2017.11.25 | Koo, Wei Xin Rosamun (1900) vs (1553) Cui, Cynthia World Junior Girls 2017 Slav Rubinstein - Breyer |
1-0 | D11 | |
| 2017.11.24 | Ichimura G. Barbosa (1913) vs (1900) Koo, Wei Xin Rosamun World Junior Girls 2017 Sicilian Accelerated Dragon - Simagin |
1-0 | B34 | |
| 2017.11.22 | Koo, Wei Xin Rosamun (1900) vs (2006) Li, Zhuoling World Junior Girls 2017 English Anglo-Indian (Queen's Knight) - Anglo-Grünfeld (Smyslov) |
0-1 | A16 | |
| 2017.11.21 | Sibajeva, Marija (2016) vs (1900) Koo, Wei Xin Rosamun World Junior Girls 2017 Sicilian |
1/2-1/2 | B30 | |
| 2017.11.20 | Koo, Wei Xin Rosamun (1900) vs (2170) Terbe, Z. World Junior Girls 2017 English - Classical |
0-1 | E67 | |
| 2017.11.19 | Uuriintuya, Uurtsaik (2213) vs (1900) Koo, Wei Xin Rosamun World Junior Girls 2017 Sicilian Accelerated Dragon (Modern) - Simagin |
1-0 | B35 | |
| 2017.11.17 | Koo, Wei Xin Rosamun (1900) vs (2137) Ivanova, Si World Junior Girls 2017 English Closed Sicilian - Taimanov |
1-0 | A25 | |
| 2017.11.16 | Vangsgaard, Freja (2035) vs (1900) Koo, Wei Xin Rosamun World Junior Girls 2017 Nimzo-Indian Rubinstein |
0-1 | E42 | |
| 2017.11.15 | Koo, Wei Xin Rosamun (1900) vs (2159) Vidic, Teja World Junior Girls 2017 Nimzo-Indian |
0-1 | E20 | |
| 2017.11.14 | San Diego, Marie Ant (2116) vs (1900) Koo, Wei Xin Rosamun World Junior Girls 2017 Benoni - Czech |
0-1 | A56 | |
| 2017.11.13 | Koo, Wei Xin Rosamun (1900) vs (2196) Yuan, Ye World Junior Girls 2017 Queen's Pawn Zukertort - Symmetrical |
0-1 | D02 | |
| 2011.05.26 | Arnold, Mar (2432) vs (2228) Koo, O. Chicago Open King's Indian Fianchetto (Classical) - Classical |
1-0 | E69 | |
| 2001.03.04 | Koo, Oliver T vs (2172) Strenzwilk, D. Millennium II Open Scandinavian |
1/2-1/2 | B01 | |
| 2001.03.03 | Koo, Oliver T vs Francisco, Richard Millennium II Open Sicilian Scheveningen Najdorf - Lipnitsky |
0-1 | B90 | |
| 2001.03.03 | Potter, JR. vs Koo, Oliver T Millennium II Open Queen's Gambit Declined Tartakower (Exchange) |
1/2-1/2 | D59 | |
| 2001.07.26 | Koo, Oliver vs (2478) Blatny, P. Continental Open Irregular King's Pawn - Owen |
1/2-1/2 | B00 | |
| 1998.06.27 | Kaufman, La vs Koo, Oliver Philadelphia USA King's Indian Yugoslav (Aronin) - Normal |
0-1 | E98 | |
| 1998.07.01 | Dunne, A. vs Koo, Oliver Philadelphia USA Sicilian Scheveningen Najdorf (Opecensky) |
1-0 | B92 |