Natsumi Kojima - Chess Player Overview
Last update: 21/08/2025 10:11:31 GMT+2
Player's activity: ON
Player's name: Natsumi Kojima (JPN) 
Player's photo: (Search in Google Images)
Age: 31 years old (born in 1994)
Highest FIDE Elo achieved: 1811
Natsumi Kojima Chess Games: 809
1771 (Rapid)
1830 (Blitz)
Natsumi Kojima - Charts
FIDE Elo
Activity chart
Natsumi Kojima - Chess Tournaments
Natsumi Kojima - Chess Games
Natsumi Kojima - Chess Games
Filter by color:
(Multiple options can be selected)
Filter by opening:
(Multiple options can be selected)
| Date | Players & Opening | Result | ECO | View |
|---|---|---|---|---|
| 2024.06.16 | Moriyasu, Yuichiro (1501) vs (1643) Kojima, Natsumi 1st Matsumoto Open Irregular Queen's Pawn - Franco-Indian |
1/2-1/2 | A40 | |
| 2024.06.16 | Kojima, Natsumi (1643) vs Miura, Yoshito 1st Matsumoto Open Sicilian Moscow |
1/2-1/2 | B52 | |
| 2024.06.16 | Kojima, Natsumi (1643) vs Arai, Hiromi 1st Matsumoto Open Two Knights - Pianissimo |
1-0 | C54 | |
| 2024.06.15 | Manabe, Hiroshi (1989) vs (1643) Kojima, Natsumi 1st Matsumoto Open Queen's Gambit Accepted - Saduleto |
1-0 | D20 | |
| 2024.06.15 | Kojima, Natsumi (1643) vs Ahmadarfa, Eidasfa 1st Matsumoto Open Two Knights - Pianissimo |
1-0 | C54 | |
| 2024.05.04 | Kojima, Natsumi (1810) vs (1621) Mitsuyama, Rikka Japan Chess Championship 2024 Spanish Morphy - Exchange (Alapin Gambit) |
0-1 | C68 | |
| 2024.05.04 | Nishimura, Kai (1150) vs (1810) Kojima, Natsumi Japan Chess Championship 2024 Irregular Queen's Pawn - Franco-Indian |
0-1 | A40 | |
| 2024.05.03 | Kojima, Natsumi (1810) vs (1702) Yokota, Yoshiaki Japan Chess Championship 2024 Sicilian Closed |
0-1 | B23 | |
| 2024.05.03 | Usuba, Hiroto (1996) vs (1810) Kojima, Natsumi Japan Chess Championship 2024 English Agincourt |
1-0 | A13 | |
| 2024.05.02 | Kojima, Natsumi (1810) vs (1581) Noda, Ryo Japan Chess Championship 2024 Giuoco Piano - Pianissimo |
1-0 | C54 | |
| 2024.05.02 | Raabe, Peter (2041) vs (1810) Kojima, Natsumi Japan Chess Championship 2024 Irregular Queen's Pawn - Franco-Indian |
1-0 | A40 | |
| 2021.11.20 | Higashino, Tetsuo (2095) vs (1745) Kojima, Natsumi Japan Open 2021 Queen's Gambit Declined |
1-0 | D30 | |
| 2022.08.09 | Kojima, Natsumi (1782) vs (1849) Manova, Ivana 44th Olympiad Chennai 2022 Sicilian Closed - Zukertort |
0-1 | B23 | |
| 2022.08.08 | Viana, Valeria (1441) vs (1782) Kojima, Natsumi 44th Olympiad Chennai 2022 French - Exchange |
0-1 | C01 | |
| 2022.08.07 | Kojima, Natsumi (1782) vs (1855) Oviedo Acosta, Paula 44th Olympiad Chennai 2022 Sicilian Closed |
0-1 | B23 | |
| 2022.08.06 | Ioannides Liu, Alice (1292) vs (1782) Kojima, Natsumi 44th Olympiad Chennai 2022 French - Exchange |
0-1 | C01 | |
| 2022.08.05 | Kojima, Natsumi (1782) vs (1425) Bantiwalu, Aster Melake 44th Olympiad Chennai 2022 Scotch - Scotch Potter |
0-1 | C45 | |
| 2022.08.03 | Sewak, Aarti (1412) vs (1782) Kojima, Natsumi 44th Olympiad Chennai 2022 Nimzovich - Modern |
0-1 | A01 | |
| 2022.08.02 | Kojima, Natsumi (1782) vs (1211) Magno, Angelica 44th Olympiad Chennai 2022 Pirc Austrian |
1-0 | B09 | |
| 2022.08.01 | Kojima, Natsumi (1782) vs (1576) Cho, Hung-Ling 44th Olympiad Chennai 2022 Scotch - Scotch Schmid (Mieses) |
1/2-1/2 | C45 | |
| 2022.07.31 | Putar, Lara (1969) vs (1782) Kojima, Natsumi 44th Olympiad Chennai 2022 Irregular Queen's Pawn - Franco-Indian |
1-0 | A40 | |
| 2022.07.30 | Kojima, Natsumi (1782) vs Hla, Zabu 44th Olympiad Chennai 2022 King's Knight - Scotch |
1-0 | C44 | |
| 2022.07.29 | Matnadze, Ana (2406) vs (1782) Kojima, Natsumi 44th Olympiad Chennai 2022 Irregular Queen's Pawn - Classical (Stonewall) |
1-0 | A90 | |
| 2022.07.16 | Kojima, Natsumi (1782) vs (2156) Kobayashi, Atsuhiko Japan Chess Classic 2022 Sicilian Closed |
0-1 | B23 | |
| 2022.05.03 | Furuya, Masahiro (1968) vs (1770) Kojima, Natsumi Japan Chess Championship 2022 Two Knights - Blackburne |
1-0 | C58 | |
| 2021.02.21 | Heredia, Carla (2139) vs (1736) Kojima, Natsumi 2021 World Corporate Championship Spanish Exchange (Gligoric) - Exchange |
1-0 | C69 | |
| 2021.02.21 | Rao, Prasanna (2437) vs (1736) Kojima, Natsumi 2021 World Corporate Championship Spanish Morphy - Anderssen |
1/2-1/2 | C77 | |
| 2021.02.21 | Kojima, Natsumi (1736) vs (1000) Mazuco, Rosaline Silveira 2021 World Corporate Championship Italian |
1/2-1/2 | C50 | |
| 2021.02.20 | Golubeva, Oksana (2179) vs (1736) Kojima, Natsumi 2021 World Corporate Championship Reti Zukertort |
1/2-1/2 | A06 | |
| 2021.02.20 | Kojima, Natsumi (1736) vs (1440) Boris, Ryan 2021 World Corporate Championship Philidor - Exchange |
1/2-1/2 | C41 | |
| 2021.02.20 | Duong, Thanh nha (2193) vs (1736) Kojima, Natsumi 2021 World Corporate Championship Spanish Morphy - Exchange |
1-0 | C68 | |
| 2021.03.21 | Mitsui, Ryoya (1841) vs (1736) Kojima, Natsumi Tokyo Chess Championship 2021 Scandinavian |
1-0 | B01 | |
| 2021.03.21 | Kojima, Natsumi (1736) vs (2012) Osaka, Takuma Tokyo Chess Championship 2021 Sicilian Moscow |
0-1 | B51 | |
| 2021.03.20 | Kojima, Natsumi (1736) vs (2174) Ogawa, Tomie Tokyo Chess Championship 2021 Sicilian Moscow |
0-1 | B52 | |
| 2020.07.26 | Higashino, Tetsuo (2097) vs (1749) Kojima, Natsumi Japan Chess Classic 2020 Reti King's Indian - French |
1-0 | A08 | |
| 2020.07.24 | Bibby, Simon (2167) vs (1749) Kojima, Natsumi Japan Chess Classic 2020 English Anglo-Indian (Queen's Knight) - Nimzovich |
1-0 | A28 | |
| 2019.10.14 | Nishimori, Toshiyuki (1776) vs (1772) Kojima, Natsumi Sapporo Autumn Chess Tornament 2019 Spanish Breyer - Borisenko |
1-0 | C95 | |
| 2019.10.14 | Kojima, Natsumi (1772) vs (1453) Sato, Yasuji Sapporo Autumn Chess Tornament 2019 Two Knights - Modern Bishop |
1-0 | C55 | |
| 2019.10.13 | Takeuchi, Hiroshi (1350) vs (1772) Kojima, Natsumi Sapporo Autumn Chess Tornament 2019 Indian Knight - Rubinstein |
0-1 | A46 | |
| 2019.10.13 | Kojima, Natsumi (1772) vs (1851) Yoshii, Yukihiko Sapporo Autumn Chess Tornament 2019 Two Knights - Modern Bishop |
0-1 | C55 | |
| 2019.10.13 | Kojima, Shinya (2497) vs (1772) Kojima, Natsumi Sapporo Autumn Chess Tornament 2019 Two Knights - Modern Bishop |
1/2-1/2 | C55 | |
| 2019.11.01 | Kojima, Shinya (2400) vs (1745) Kojima, Natsumi Japan Open 2019 Reti Symmetrical - Queen's Indian |
1-0 | A17 | |
| 2019.11.14 | Lohani, Sujana (1651) vs (1745) Kojima, Natsumi Madan Bhandari Memorial Asian Amateur Chess Championship 2019 Modern Benoni Knight's Tour - Blumenfeld |
1-0 | A61 | |
| 2019.11.13 | Kojima, Natsumi (1745) vs (1392) Gurung, Sushila Madan Bhandari Memorial Asian Amateur Chess Championship 2019 Sicilian Moscow |
1-0 | B51 | |
| 2019.11.13 | Muhammad, Amin vs (1745) Kojima, Natsumi Madan Bhandari Memorial Asian Amateur Chess Championship 2019 Spanish Closed - Pilnik |
1-0 | C90 | |
| 2019.11.12 | Kojima, Natsumi (1745) vs (1966) Sun, Furong Madan Bhandari Memorial Asian Amateur Chess Championship 2019 Scandinavian |
0-1 | B01 | |
| 2019.11.12 | Shrestha, Jen (1532) vs (1745) Kojima, Natsumi Madan Bhandari Memorial Asian Amateur Chess Championship 2019 Scotch - Scotch Schmid |
0-1 | C45 | |
| 2019.11.11 | Kojima, Natsumi (1745) vs (1492) Basnet, Parjwal Madan Bhandari Memorial Asian Amateur Chess Championship 2019 Pirc |
1-0 | B07 | |
| 2019.11.10 | Kojima, Natsumi (1745) vs (1922) Muhammad, Shahzad Madan Bhandari Memorial Asian Amateur Chess Championship 2019 Sicilian Moscow |
0-1 | B52 | |
| 2019.09.22 | Kojima, Natsumi (1764) vs (1670) Tomii, Yoshikatsu Japan Club/Team Chess Championship 2019 Caro-Kann Exchange |
1/2-1/2 | B13 | |
| 2019.09.22 | Saito, Hiromasa (1742) vs (1764) Kojima, Natsumi Japan Club/Team Chess Championship 2019 Spanish Breyer - Borisenko |
1-0 | C95 | |
| 2019.09.22 | Hirao, Satoshi (2049) vs (1764) Kojima, Natsumi Japan Club/Team Chess Championship 2019 Two Knights - Pianissimo |
1-0 | C54 | |
| 2019.09.21 | Kojima, Natsumi (1764) vs (1556) Yasuno, Naoki Japan Club/Team Chess Championship 2019 French Tarrasch - Rubinstein (Capablanca) |
0-1 | C10 | |
| 2019.09.21 | Kojima, Natsumi (1764) vs (1613) Nakajima, Masakazu Japan Club/Team Chess Championship 2019 Sicilian Scheveningen - Anderssen |
1/2-1/2 | B83 | |
| 2019.06.15 | Kojima, Natsumi (1711) vs (2036) Yan, Tianqi Asian Continental Open and Women's Championships 2019(women group) Sicilian O'Kelly |
1/2-1/2 | B28 | |
| 2019.06.14 | Xia, Ri Feng (1991) vs (1711) Kojima, Natsumi Asian Continental Open and Women's Championships 2019(women group) Spanish Breyer - Borisenko |
1-0 | C95 | |
| 2019.06.13 | Kojima, Natsumi (1711) vs (2157) Frayna, Janelle Mae Asian Continental Open and Women's Championships 2019(women group) Alekhine - Exchange |
0-1 | B03 | |
| 2019.06.12 | Kiran, Manisha Mohanty (2090) vs (1711) Kojima, Natsumi Asian Continental Open and Women's Championships 2019(women group) Spanish Closed |
1-0 | C90 | |
| 2019.06.11 | Hamid, Rani (1929) vs (1711) Kojima, Natsumi Asian Continental Open and Women's Championships 2019(women group) Spanish Breyer - Borisenko |
0-1 | C95 | |
| 2019.06.10 | Kojima, Natsumi (1711) vs (2188) Wang, Doudou Asian Continental Open and Women's Championships 2019(women group) Sicilian - Pelikan (Chelyabinsk) |
0-1 | B33 | |
| 2019.06.09 | Kojima, Natsumi (1711) vs (2220) Swati, Ghate Asian Continental Open and Women's Championships 2019(women group) Italian |
0-1 | C50 | |
| 2019.06.08 | Mordido, Kylen Joy (2133) vs (1711) Kojima, Natsumi Asian Continental Open and Women's Championships 2019(women group) English Sicilian |
1/2-1/2 | A20 | |
| 2019.06.07 | Kojima, Natsumi (1711) vs (2245) Mahalakshmi, M Asian Continental Open and Women's Championships 2019(women group) Sicilian Moscow |
0-1 | B51 | |
| 2019.08.10 | Kojima, Natsumi (1701) vs (1950) Fujii, Chiaki Japan Chess Classic 2019 Robatsch - Small Center |
0-1 | B06 | |
| 2019.08.09 | Higashino, Tetsuo (2128) vs (1701) Kojima, Natsumi Japan Chess Classic 2019 English Sicilian |
1-0 | A20 | |
| 2019.08.04 | Kojima, Natsumi (1701) vs (1874) Kinoshita, Kanako Japan Women Chess Championship 2019 Sicilian O'Kelly |
0-1 | B28 | |
| 2019.08.04 | Wong, Linda Jane (1412) vs (1701) Kojima, Natsumi Japan Women Chess Championship 2019 Indian |
1/2-1/2 | A45 | |
| 2019.08.03 | Kojima, Natsumi (1701) vs (1704) Sakai, Azumi Japan Women Chess Championship 2019 French Tarrasch |
0-1 | C03 | |
| 2019.08.03 | Khaliun, Battur (1889) vs (1701) Kojima, Natsumi Japan Women Chess Championship 2019 King's Knight - Scotch Gambit |
1/2-1/2 | C44 | |
| 2019.08.02 | Kojima, Natsumi (1701) vs (1131) Mitsuyama, Rikka Japan Women Chess Championship 2019 Two Knights - Modern Bishop |
1-0 | C55 | |
| 2019.08.02 | Moon, Anna Louise (985) vs (1701) Kojima, Natsumi Japan Women Chess Championship 2019 Modern Benoni Pawn Storm (Taimanov) |
0-1 | A67 | |
| 2019.03.24 | Kojima, Natsumi (1719) vs (1919) Voronin, Andrey Tokyo Chess Championship 2019 Petrov - Nimzovich |
0-1 | C42 | |
| 2019.03.23 | Yamada, Kohei (2263) vs (1719) Kojima, Natsumi Tokyo Chess Championship 2019 Spanish Closed (Yates) - Bogolubov |
1-0 | C91 | |
| 2018.10.05 | Lowry-O`Reilly, Hannah (1716) vs (1655) Kojima, Natsumi 43rd Olympiad Batumi 2018 Women Indian Knight - Spielmann |
1-0 | A46 | |
| 2018.10.04 | Mayar ElIdrissi, Firdaous (1797) vs (1655) Kojima, Natsumi 43rd Olympiad Batumi 2018 Women Scotch - Scotch Golmayo |
1/2-1/2 | C45 | |
| 2018.10.03 | Kojima, Natsumi (1655) vs (1894) Barbier, Astrid 43rd Olympiad Batumi 2018 Women Irregular King's Pawn - Owen |
1/2-1/2 | B00 | |
| 2018.10.01 | Kojima, Natsumi (1655) vs (1751) Siew, Kai Xin 43rd Olympiad Batumi 2018 Women Sicilian Rossolimo (Fianchetto) - Rossolimo |
1/2-1/2 | B31 | |
| 2018.09.30 | James, Shemilah (1535) vs (1655) Kojima, Natsumi 43rd Olympiad Batumi 2018 Women Four Knights - Scotch (Krause) |
1/2-1/2 | C47 | |
| 2018.09.28 | Danwe Mais, Siri Carole vs (1655) Kojima, Natsumi 43rd Olympiad Batumi 2018 Women Benoni |
0-1 | A56 | |
| 2018.09.27 | Cruz Lima, Kimberly Esmeralda (1626) vs (1655) Kojima, Natsumi 43rd Olympiad Batumi 2018 Women Spanish Morphy - Anderssen |
0-1 | C77 | |
| 2018.09.26 | Kojima, Natsumi (1655) vs (1770) Zairbek kyzy, Begimay 43rd Olympiad Batumi 2018 Women Caro-Kann Exchange |
0-1 | B13 | |
| 2018.09.25 | Marcos, Taqesyah (1583) vs (1655) Kojima, Natsumi 43rd Olympiad Batumi 2018 Women King's Knight - Hungarian |
0-1 | C44 | |
| 2018.09.24 | Kojima, Natsumi (1655) vs (2258) Gutmakher, Olga 43rd Olympiad Batumi 2018 Women Sicilian Paulsen - Polugaevsky |
0-1 | B42 | |
| 2018.08.12 | Averbukh, Alex (2101) vs (1652) Kojima, Natsumi Japan League Chess Tournament 2018 Spanish Morphy - Exchange (Alapin) |
1-0 | C68 | |
| 2018.08.05 | Ishizuka, Mirai (1722) vs (1741) Kojima, Natsumi Japan Women Chess Championship 2018 Four Knights - Scotch (Krause) |
1-0 | C47 | |
| 2018.08.05 | Kojima, Natsumi (1741) vs (1997) Qin, Ranran Japan Women Chess Championship 2018 Sicilian Moscow - Nimzovich |
0-1 | B51 | |
| 2018.08.05 | Kojima, Natsumi (1741) vs (1109) Misawa, Yuki Japan Women Chess Championship 2018 Caro-Kann Exchange |
1-0 | B13 | |
| 2018.08.04 | Uehara, Erina (908) vs (1741) Kojima, Natsumi Japan Women Chess Championship 2018 Indian |
0-1 | A45 | |
| 2018.08.04 | Kojima, Natsumi (1741) vs (1765) Sakai, Azumi Japan Women Chess Championship 2018 French Tarrasch |
0-1 | C03 | |
| 2018.08.04 | Ishii, Koto (1108) vs (1741) Kojima, Natsumi Japan Women Chess Championship 2018 King's Knight - Konstantinopolsky |
0-1 | C44 | |
| 2018.07.16 | Higashino, Tetsuo (2211) vs (1741) Kojima, Natsumi Summer Open Chess Tournament 2018 Reti Symmetrical - King's Fianchetto |
1-0 | A15 | |
| 2018.05.05 | Kojima, Natsumi (1635) vs (1352) Takeno, Yuki Japan National Championship 2018 Sicilian - Labourdonnais (Lowenthal) |
1-0 | B32 | |
| 2018.05.04 | Kojima, Natsumi (1635) vs (1701) Kitamura, Masashi Japan National Championship 2018 Two Knights - Modern Bishop |
0-1 | C55 | |
| 2018.05.04 | Matsumoto, Yoshitaro (1742) vs (1635) Kojima, Natsumi Japan National Championship 2018 English Anglo-Indian (Queen's Knight) - Anglo-Grünfeld |
1-0 | A16 | |
| 2018.05.02 | Kojima, Natsumi (1635) vs (1720) Nakahara, Kan Japan National Championship 2018 French Open Tarrasch |
1/2-1/2 | C07 | |
| 2018.05.02 | Kojima, Natsumi (1635) vs (1986) Suzuki, Masateru Japan National Championship 2018 French Closed Tarrasch |
0-1 | C06 | |
| 2018.05.01 | Aoki, Yasuhiro (1813) vs (1635) Kojima, Natsumi Japan National Championship 2018 English Anglo-Indian (Queen's Knight) - Anglo-Grünfeld (Smyslov) |
0-1 | A16 | |
| 2018.05.01 | Katsuta, Yuki (1883) vs (1635) Kojima, Natsumi Japan National Championship 2018 Modern Benoni Pawn Storm |
1-0 | A66 | |
| 2018.04.30 | Kojima, Natsumi (1635) vs (1758) Tanaka, Hiroto Japan National Championship 2018 Robatsch |
1-0 | B06 | |
| 2018.04.30 | Kojima, Natsumi (1635) vs (1809) Nagai, Toshiyuki Japan National Championship 2018 Pirc - Sveshnikov |
0-1 | B07 | |
| 2018.04.29 | Hamane, Kenichi (1818) vs (1635) Kojima, Natsumi Japan National Championship 2018 Modern Benoni Classical |
0-1 | A70 | |
| 2018.04.29 | Noguchi, Koji (2026) vs (1635) Kojima, Natsumi Japan National Championship 2018 Benko's opening |
1-0 | A00 | |
| 2017.10.01 | Dobson, Howard (1654) vs (1636) Kojima, Natsumi Chess.com Isle of Man Open - Minor King's Knight - Scotch Goring |
1-0 | C44 | |
| 2017.09.30 | Kojima, Natsumi (1636) vs (1724) Norman, Dinah M Chess.com Isle of Man Open - Minor Scandinavian |
1/2-1/2 | B01 | |
| 2017.09.29 | Egan, William J (1571) vs (1636) Kojima, Natsumi Chess.com Isle of Man Open - Minor Benoni |
0-1 | A56 | |
| 2017.09.28 | Kojima, Natsumi (1636) vs (1450) De Santos, Andrew Chess.com Isle of Man Open - Minor Sicilian Moscow |
1/2-1/2 | B52 | |
| 2017.09.27 | Quayle, Graham (1421) vs (1636) Kojima, Natsumi Chess.com Isle of Man Open - Minor Two Knights |
0-1 | C55 | |
| 2017.09.26 | Kojima, Natsumi (1636) vs (1538) Gaspar, Ioan-Dan Chess.com Isle of Man Open - Minor Sicilian Maroczy - Hungarian |
0-1 | B38 | |
| 2017.09.25 | Jackson, Paul R (1492) vs (1636) Kojima, Natsumi Chess.com Isle of Man Open - Minor Indian East Indian |
0-1 | A48 |
Natsumi Kojima - Other possible chess games
| Date | Players & Opening | Result | ECO | View |
|---|---|---|---|---|
| 2025.05.06 | Tran Thanh Tu (2420) vs (2315) Kojima,S ch-JPN 2025 Caro-Kann |
1/2-1/2 | B10 | |
| 2025.05.05 | Kojima,S (2315) vs (2016) Fujii,Chiaki ch-JPN 2025 Indian - Schlechter |
1-0 | D80 | |
| 2025.01.02 | Kwong,Wing Ki (1968) vs (2326) Kojima,S Hong Kong Open 2024 Slav Delmar - Symmetrical |
0-1 | D12 | |
| 2025.01.01 | Kojima,S (2326) vs (1980) Shen,Fuyan Hong Kong Open 2024 Slav |
1/2-1/2 | D10 | |
| 2024.12.31 | Priasmoro,Novendra (2445) vs (2326) Kojima,S Hong Kong Open 2024 Caro-Kann - Advance (Short) |
1-0 | B12 | |
| 2024.12.30 | Kojima,S (2326) vs (1861) Jiang,Liu Hong Kong Open 2024 Slav |
1/2-1/2 | D10 | |
| 2024.12.30 | Lam,Chun Yung Samuel (2065) vs (2326) Kojima,S Hong Kong Open 2024 Caro-Kann - Advance (Short) |
0-1 | B12 | |
| 2024.12.29 | Kojima,S (2326) vs (2190) Nissinen,Niilo Man Hong Kong Open 2024 Irregular Indian |
1-0 | E10 | |
| 2024.12.28 | Bernadskiy,V (2546) vs (2326) Kojima,S Hong Kong Open 2024 Caro-Kann Exchange |
1-0 | B13 | |
| 2024.12.28 | Kojima,S (2326) vs (2586) Sethuraman,S Hong Kong Open 2024 Irregular Indian |
1/2-1/2 | E10 | |
| 2024.12.27 | Wong,Chun Hei (1925) vs (2326) Kojima,S Hong Kong Open 2024 Slav - Classical Exchange |
0-1 | D10 | |
| 2025.01.08 | Kojima,S (2316) vs (2397) Liyanage,Ranindu Dilshan Hanoi GM1 2025 Irregular Indian - Exchange Deferred |
1/2-1/2 | D37 | |
| 2025.01.08 | Dau Khuong Duy (2410) vs (2316) Kojima,S Hanoi GM1 2025 Caro-Kann - Advance (Bayonet) |
1/2-1/2 | B12 | |
| 2025.01.07 | Kojima,S (2316) vs (2319) Jani,Kushal R Hanoi GM1 2025 Irregular Indian |
1-0 | E10 | |
| 2025.01.06 | Nguyen Anh Dung (2429) vs (2316) Kojima,S Hanoi GM1 2025 Slav - Classical Exchange |
1-0 | D10 | |
| 2025.01.06 | Dang,H (2338) vs (2316) Kojima,S Hanoi GM1 2025 Slav Delmar |
1-0 | D12 | |
| 2025.01.05 | Kojima,S (2316) vs (2438) Lee,Junhyeok Hanoi GM1 2025 King's Indian Fianchetto (Classical) - Classical |
1/2-1/2 | E68 | |
| 2025.01.04 | Azarya,J (2417) vs (2316) Kojima,S Hanoi GM1 2025 Caro-Kann - Advance (Short) |
1/2-1/2 | B12 | |
| 2025.01.04 | Kojima,S (2316) vs (2437) Tran Tuan Minh Hanoi GM1 2025 Irregular Indian |
0-1 | E10 | |
| 2025.01.03 | Gomez,Joh (2405) vs (2316) Kojima,S Hanoi GM1 2025 Slav Modern Exchange |
1/2-1/2 | D13 | |
| 2024.05.06 | Yonemitsu,Kohei (1988) vs (2299) Kojima,S ch-JPN 2024 Caro-Kann - Advance |
0-1 | B12 | |
| 2024.05.05 | Kojima,S (2299) vs (2366) Nanjo,R ch-JPN 2024 Irregular Indian |
1/2-1/2 | E10 | |
| 2024.05.05 | Kojima,S (2299) vs (2389) Tran Thanh Tu ch-JPN 2024 Irregular Indian |
1/2-1/2 | E10 | |
| 2024.05.04 | Maeshima,Hiroaki (1918) vs (2299) Kojima,S ch-JPN 2024 Slav Czech - Krause |
0-1 | D17 | |
| 2024.05.02 | Kojima,S (2299) vs (1866) Chen,Muxi ch-JPN 2024 Slav |
0-1 | D10 | |
| 2024.09.16 | Kojima,S (2299) vs (2474) Berdayes Ason,Dylan Isidro 45th Olympiad 2024 Irregular Indian |
0-1 | E10 | |
| 2024.09.22 | Kojima,S (2299) vs (2418) Valderrama Quiceno,Esteban Alb 45th Olympiad 2024 Irregular Indian |
1-0 | E10 | |
| 2024.09.15 | Aragon Trujillo,Ricardo M. (2057) vs (2299) Kojima,S 45th Olympiad 2024 Caro-Kann - Two Knights |
0-1 | B11 | |
| 2024.09.21 | Gretarsson,He (2450) vs (2299) Kojima,S 45th Olympiad 2024 English Anglo-Slav |
0-1 | A11 | |
| 2024.09.14 | Kojima,S (2299) vs (2544) Antal,Ge 45th Olympiad 2024 Gruenfeld |
0-1 | D70 | |
| 2024.09.20 | Rakan Dasa (1975) vs (2299) Kojima,S 45th Olympiad 2024 Caro-Kann Knight Classical - Modern |
0-1 | B19 | |
| 2024.09.19 | Kojima,S (2299) vs (2405) Kostolansky,Sebastian Lukas 45th Olympiad 2024 Irregular Indian - Exchange Deferred |
0-1 | D37 | |
| 2024.09.12 | Lavrencic,Matic (2360) vs (2299) Kojima,S 45th Olympiad 2024 Caro-Kann - Advance (Short) |
1-0 | B12 | |
| 2024.09.11 | Kojima,S (2299) vs (1847) Hassuji,Nurdin 45th Olympiad 2024 Slav |
1-0 | D10 | |
| 2023.09.27 | Kwon,Sehyun (2313) vs (2306) Kojima,S Asian Games Men 2023 Queen's Pawn Zukertort - Catalan |
1-0 | D02 | |
| 2023.09.26 | Kojima,S (2306) vs (2172) Yamada,K Asian Games Men 2023 Irregular Indian |
0-1 | E10 | |
| 2023.09.26 | Azarya,J (2398) vs (2306) Kojima,S Asian Games Men 2023 Caro-Kann - Advance (Short) |
1/2-1/2 | B12 | |
| 2023.09.26 | Kojima,S (2306) vs (1647) Kao,Jamison Edrich Asian Games Men 2023 Reti Symmetrical |
1-0 | A05 | |
| 2023.09.25 | Ahn,Hongjin (2252) vs (2306) Kojima,S Asian Games Men 2023 Caro-Kann - Advance |
1-0 | B12 | |
| 2023.09.25 | Kojima,S (2306) vs (2585) Jumabayev,R Asian Games Men 2023 Reti |
0-1 | A04 | |
| 2023.09.24 | Kwong,Wing Ki (1923) vs (2306) Kojima,S Asian Games Men 2023 Slav Dutch |
0-1 | D19 | |
| 2023.09.24 | Kojima,S (2306) vs (2658) Sindarov,Javokhir Asian Games Men 2023 Reti |
0-1 | A04 | |
| 2023.07.17 | Kojima,S (2335) vs (2344) Aoshima,Mirai Japan Chess Classic 2023 Reti Zukertort |
1/2-1/2 | A06 | |
| 2023.07.16 | Kojima,S (2335) vs (2137) Bibby,S Japan Chess Classic 2023 Reti Zukertort |
0-1 | A06 | |
| 2023.07.16 | Tran Thanh Tu (2420) vs (2335) Kojima,S Japan Chess Classic 2023 Nimzovich - Classical |
0-1 | A01 | |
| 2023.08.05 | Pribelszky,Bence (2413) vs (2308) Kojima,S SixDays Jul-Aug GMB 2023 Caro-Kann - Breyer |
1/2-1/2 | B10 | |
| 2023.08.04 | Kojima,S (2308) vs (2458) Fromm,Marius SixDays Jul-Aug GMB 2023 Reti |
1-0 | A04 | |
| 2023.08.04 | Horvath,Ad1 (2469) vs (2308) Kojima,S SixDays Jul-Aug GMB 2023 Caro-Kann - Advance |
0-1 | B12 | |
| 2023.08.03 | Kojima,S (2308) vs (2367) Liu,Eric SixDays Jul-Aug GMB 2023 Reti Symmetrical |
1/2-1/2 | A05 | |
| 2023.08.02 | Plat,V (2486) vs (2308) Kojima,S SixDays Jul-Aug GMB 2023 Caro-Kann |
1-0 | B10 | |
| 2023.08.02 | Kojima,S (2308) vs (2417) Mirzoev,A SixDays Jul-Aug GMB 2023 Slav Czech - Wiesbaden |
0-1 | D17 | |
| 2023.08.01 | Kojima,S (2308) vs (2371) Levine,Joseph SixDays Jul-Aug GMB 2023 Reti Zukertort |
1-0 | A06 | |
| 2023.08.01 | Chandran,Kapil (2333) vs (2308) Kojima,S SixDays Jul-Aug GMB 2023 Caro-Kann - Advance |
1/2-1/2 | B12 | |
| 2023.07.31 | Kojima,S (2308) vs (2382) Ngo,Bach SixDays Jul-Aug GMB 2023 Reti Zukertort |
1/2-1/2 | A06 | |
| 2023.08.15 | Dudin,Gleb (2537) vs (2308) Kojima,S FSGM August 2023 Caro-Kann - Advance |
1-0 | B12 | |
| 2023.08.14 | Kojima,S (2308) vs (2515) Samunenkov,Ihor FSGM August 2023 Reti Zukertort - Chameleon |
1/2-1/2 | D11 | |
| 2023.08.12 | Neverov,V (2405) vs (2308) Kojima,S FSGM August 2023 English Anglo-Slav |
1/2-1/2 | A11 | |
| 2023.08.11 | Kojima,S (2308) vs (2401) Azarya,J FSGM August 2023 Reti Zukertort |
0-1 | A06 | |
| 2023.08.09 | Arhan,Chethan Anand (2341) vs (2308) Kojima,S FSGM August 2023 Slav Czech - Carlsbad |
1-0 | D17 | |
| 2023.08.08 | Kojima,S (2308) vs (2470) Aveskulov,V FSGM August 2023 Reti Symmetrical - Nimzovich |
0-1 | A17 | |
| 2023.08.07 | Munkhdalai,Amilal (2437) vs (2308) Kojima,S FSGM August 2023 Caro-Kann - Two Knights (Mindeno) |
1-0 | B11 | |
| 2023.08.06 | Kojima,S (2308) vs (2417) Mirzoev,A FSGM August 2023 Reti Zukertort |
0-1 | A06 | |
| 2023.08.05 | Levine,Joseph (2371) vs (2308) Kojima,S FSGM August 2023 Caro-Kann |
1/2-1/2 | B10 | |
| 2023.07.22 | Kojima,S (2335) vs (2053) Krawczyk,Flawian 34th Czech Open A 2023 Queen's Gambit Declined Ragozin (Vienna) |
0-1 | D39 | |
| 2023.07.27 | Kearns,C (2184) vs (2335) Kojima,S 34th Czech Open A 2023 Caro-Kann - Two Knights (Mindeno) |
1-0 | B11 | |
| 2023.07.20 | Jurek,J (2251) vs (2335) Kojima,S 34th Czech Rapid G1 2023 Reti Zukertort |
1/2-1/2 | A06 | |
| 2023.07.20 | Kojima,S (2335) vs (2307) Mica,Marek 34th Czech Rapid G1 2023 Queen's Gambit Declined Ragozin (Vienna) |
0-1 | D39 | |
| 2023.07.26 | Kojima,S (2335) vs (2176) Musial,Tomasz 34th Czech Open A 2023 Queen's Gambit Declined Semi-Tarrasch - Symmetrical |
1/2-1/2 | D40 | |
| 2023.07.20 | Soural,J (2176) vs (2335) Kojima,S 34th Czech Rapid G1 2023 English Anglo-Slav |
1/2-1/2 | A11 | |
| 2023.07.25 | Commercon,S (2181) vs (2335) Kojima,S 34th Czech Open A 2023 Slav Dutch |
1/2-1/2 | D18 | |
| 2023.07.20 | Kojima,S (2335) vs (1908) Aggarwal,Vansh 34th Czech Rapid G1 2023 Reti Zukertort - Classical (Fianchetto) |
1/2-1/2 | D37 | |
| 2023.07.20 | Bouska,Jiri (2164) vs (2335) Kojima,S 34th Czech Rapid G1 2023 Caro-Kann - Two Knights (Mindeno) |
1/2-1/2 | B11 | |
| 2023.07.20 | Kojima,S (2335) vs (2243) Jun,Rudolf 34th Czech Rapid G1 2023 Reti Symmetrical - Prague |
1-0 | D33 | |
| 2023.07.19 | Dostal,R (1968) vs (2335) Kojima,S 34th Czech Rapid G1 2023 Caro-Kann Panov - Panov |
0-1 | B14 | |
| 2023.07.19 | Kojima,S (2335) vs (2189) Moskvin,Anatoly 34th Czech Rapid G1 2023 English Ultra-Symmetrical |
0-1 | A37 | |
| 2023.07.19 | Sikora,L (1901) vs (2335) Kojima,S 34th Czech Rapid G1 2023 Slav Dutch |
0-1 | D18 | |
| 2022.01.02 | Kojima,S (2392) vs (2216) Sahithi Varshini M Vezerkepzo GM Christmas Nimzo-Indian |
1-0 | E20 | |
| 2021.12.31 | Mihok,O (2536) vs (2392) Kojima,S Vezerkepzo GM Christmas Spanish - Barnes |
1/2-1/2 | C60 | |
| 2021.12.30 | Kojima,S (2392) vs (2271) Trost,Edvin Vezerkepzo GM Christmas Slav |
1/2-1/2 | D10 | |
| 2021.12.29 | Pechac,Jergus (2584) vs (2392) Kojima,S Vezerkepzo GM Christmas Semi-Slav - Anti-Meran |
1-0 | D43 | |
| 2021.12.28 | Kojima,S (2392) vs (2401) Ajay Krishna,S Vezerkepzo GM Christmas Queen's Gambit Declined Ragozin |
1/2-1/2 | D38 | |
| 2021.12.27 | Leszko,Bence (2253) vs (2392) Kojima,S Vezerkepzo GM Christmas Vienna Gambit - Paulsen |
1/2-1/2 | C29 | |
| 2021.12.26 | Kojima,S (2392) vs (2281) Aditya Vikram Paul Vezerkepzo GM Christmas Bogo-Indian |
0-1 | E11 | |
| 2022.08.08 | Viana,Valeria (1441) vs (1782) Kojima,Natsumi Olympiad Women 2022 French - Exchange |
0-1 | C01 | |
| 2022.08.07 | Kojima,Natsumi (1782) vs (1855) Oviedo Acosta,Paula Olympiad Women 2022 Sicilian Closed |
0-1 | B23 | |
| 2022.08.06 | Ioannides Liu,Alice (1292) vs (1782) Kojima,Natsumi Olympiad Women 2022 French - Exchange |
0-1 | C01 | |
| 2022.08.05 | Kojima,Natsumi (1782) vs (1425) Bantiwalu,Aster,Melake Olympiad Women 2022 Scotch - Scotch Potter |
0-1 | C45 | |
| 2022.08.03 | Sewak,Aarti (1412) vs (1782) Kojima,Natsumi Olympiad Women 2022 Nimzovich - Modern |
0-1 | A01 | |
| 2022.08.01 | Kojima,Natsumi (1782) vs (1576) Cho,Hung-Ling Olympiad Women 2022 Scotch - Scotch Schmid (Mieses) |
1/2-1/2 | C45 | |
| 2022.08.02 | Kojima,Natsumi (1782) vs (1211) Magno,Angelica Olympiad Women 2022 Pirc Austrian |
1-0 | B09 | |
| 2021.12.20 | Kojima,S (2392) vs (2387) Varga,Zo Vezerkepzo GM Dec 2021 Queen's Gambit Accepted |
1-0 | D20 | |
| 2021.12.19 | Aditya Vikram Paul (2281) vs (2392) Kojima,S Vezerkepzo GM Dec 2021 Queen's Gambit Declined |
1-0 | D30 | |
| 2021.12.18 | Kojima,S (2392) vs (2391) Avinash,Ramesh Vezerkepzo GM Dec 2021 Indian |
1/2-1/2 | A45 | |
| 2021.12.17 | Ajay Krishna,S (2401) vs (2392) Kojima,S Vezerkepzo GM Dec 2021 Queen's Gambit Declined |
1-0 | D30 | |
| 2021.12.16 | Kojima,S (2392) vs (2335) Girinath,P Vezerkepzo GM Dec 2021 Irregular Queen's Pawn - Franco-Indian |
0-1 | A40 | |
| 2021.12.15 | Kojima,S (2392) vs (2464) Nitish,Belurkar Vezerkepzo GM Dec 2021 Irregular Indian |
1/2-1/2 | E10 | |
| 2022.07.31 | Putar,Lara (1969) vs (1782) Kojima,Natsumi Olympiad Women 2022 Irregular Queen's Pawn - Franco-Indian |
1-0 | A40 | |
| 2022.08.08 | Kojima,S (2346) vs (2183) Al Sulaiti,G 44th Olympiad 2022 Sicilian Rossolimo (Fianchetto) - Rossolimo |
1-0 | B31 | |
| 2022.07.30 | Kojima,Natsumi (1782) vs Hla Zabu Olympiad Women 2022 King's Knight - Scotch |
1-0 | C44 | |
| 2022.08.07 | Al Hosani,Omran (2215) vs (2346) Kojima,S 44th Olympiad 2022 Spanish Morphy - Anderssen |
1/2-1/2 | C77 |