103 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Matsumura, Cocoro | Monteverde, Jonathan | 1-0 | B95 | Round 9: Matsumura, Cocoro - Monteverde, Jonathan | 2026-07-22 |
| Matsumura, Cocoro | Di Candia, Roberto | 1-0 | C60 | Round 7: Matsumura, Cocoro - Di Candia, Roberto | 2026-07-20 |
| Matsumura, Cocoro | Bujes, Aurelien | 1-0 | B06 | Round 1: Matsumura, Cocoro - Bujes, Aurelien | 2026-07-19 |
| Matsumura, Cocoro | Alexakis, Dimitris | 0-1 | B47 | Round 3: Matsumura, Cocoro - Alexakis, Dimitris | 2026-07-19 |
| Matsumura, Cocoro | Thorfinnsson, Bjorn | 0-1 | C60 | Round 5: Matsumura, Cocoro - Thorfinnsson, Bjorn | 2026-07-19 |
| Matsumura, Cocoro | Python, Noe | 1-0 | B12 | Round 7: Matsumura, Cocoro - Python, Noe | 2026-07-19 |
| Matsumura, Cocoro | King, Alexander | 1-0 | B12 | Round 9: Matsumura, Cocoro - King, Alexander | 2026-07-19 |
| Matsumura, Cocoro | Amonatov, Farrukh | 0-1 | B95 | Round 10: Matsumura, Cocoro - Amonatov, Farrukh | 2026-07-19 |
| Matsumura, Cocoro | Harish, Neeraj | 0-1 | C79 | Round 13: Matsumura, Cocoro - Harish, Neeraj | 2026-07-19 |
| Matsumura, Cocoro | Stefan, Iulia-Cristiana | 0-1 | C55 | Round 5: Matsumura, Cocoro - Stefan, Iulia-Cristiana | 2026-07-17 |
| Matsumura, Cocoro | Gerrits, Augustin | 1-0 | C95 | Round 3: Matsumura, Cocoro - Gerrits, Augustin | 2026-07-15 |
| Matsumura, Cocoro | von Burg, Carl Alexander | 1-0 | C67 | Round 1: Matsumura, Cocoro - von Burg, Carl Alexander | 2026-07-13 |
| Matsumura, Cocoro | Jukes, Sam | 1-0 | C79 | Reykjavik Open 2026 | 2026-03-31 |
| Matsumura, Cocoro | Maze, Sebastien | 0-1 | B06 | Reykjavik Open 2026 | 2026-03-29 |
| Matsumura, Cocoro | Markidis, Konstantinos | 0-1 | B44 | Round 2: Matsumura, Cocoro - Markidis, Konstantinos | 2024-07-30 |
| Matsumura, Cocoro | Pinelli, Gian | 1-0 | B12 | Biel Chess Festival MTO | 2024-07-24 |
| Matsumura, Cocoro | Stefan, Iulia-Cristiana | 0-1 | C72 | Biel Chess Festival MTO | 2024-07-22 |
| Matsumura, Cocoro | Gloeckler, Christian | 0-1 | B95 | Biel Chess Festival BTZ | 2024-07-21 |
| Matsumura, Cocoro | Sasikiran, Krishnan | 1/2-1/2 | B94 | Biel Chess Festival BTZ | 2024-07-21 |
| Matsumura, Cocoro | Tahay, Alexis | 0-1 | B31 | Biel Chess Festival BTZ | 2024-07-21 |
| Matsumura, Cocoro | Coletta, Stephane | 1-0 | C95 | Biel Chess Festival BTZ | 2024-07-21 |
| Matsumura, Cocoro | Degtiarev, Evgeny | 0-1 | C67 | Biel Chess Festival BTZ | 2024-07-21 |
| Matsumura, Cocoro | Sutter, Oliver | 1-0 | B03 | Biel Chess Festival BTZ | 2024-07-21 |
| Matsumura, Cocoro | Cordes, Jule | 1/2-1/2 | C02 | Biel Chess Festival 2024 | 2024-07-19 |
| Matsumura, Cocoro | Kersten, Uwe | 1/2-1/2 | B62 | Biel Chess Festival MTO | 2024-07-17 |
| Matsumura, Cocoro | Ritviz, Parab | 0-1 | B90 | Biel Chess Festival MTO | 2024-07-15 |
| Matsumura, Cocoro | Jares, Michal | 0-1 | B12 | FIDE World Junior Chess Championship 2024 Open | 2024-06-11 |
| Matsumura, Cocoro | Aaditya Dhingra | 0-1 | C70 | FIDE World Junior Chess Championship 2024 Open | 2024-06-03 |
| Matsumura, Cocoro | Rushad, Patil | 0-1 | B30 | Round 4: Matsumura, Cocoro - Rushad, Patil | 2024-04-07 |
| Matsumura, Cocoro | Muto, Yuhiro | 1-0 | B48 | Round 5: Matsumura, Cocoro - Muto, Yuhiro | 2024-04-07 |
| Matsumura, Cocoro | Yamada Atsushi | 1-0 | B95 | Round 2: Matsumura, Cocoro - Yamada Atsushi | 2024-04-06 |
| Matsumura, Cocoro | Aoshima, Mirai | * | B62 | Round 5: ? | 2024-03-03 |
| Matsumura Cocoro | Schulze Torben | 0-1 | B12 | Round 6: Matsumura Cocoro - Schulze Torben | 2023-11-05 |
| Matsumura Cocoro | Aoshima Mirai | 0-1 | B89 | Round 4: Matsumura Cocoro - Aoshima Mirai | 2023-11-04 |
| Matsumura Cocoro | Costello Alexander | 0-1 | B30 | MTO - 2023 | 2023-07-27 |
| Matsumura Cocoro | Ouellet Maili-Jade | 1/2-1/2 | B94 | MTO - 2023 | 2023-07-25 |
| Matsumura Cocoro | Ermitsch Magnus | 0-1 | B48 | MTO - 2023 | 2023-07-23 |
| Matsumura Cocoro | Huston Gus | 0-1 | B62 | MTO - 2023 | 2023-07-19 |
| Matsumura Cocoro | Pham Le Thao Nguyen | 1-0 | B12 | MTO - 2023 | 2023-07-17 |
| Cocoro Matsumura | Timothee Dessyn | 0-1 | B27 | Round 4: Cocoro Matsumura - Timothee Dessyn | 2023-04-25 |
| Cocoro Matsumura | Harry Z Zheng | 1-0 | C97 | Round 8: Cocoro Matsumura - Harry Z Zheng | 2022-12-29 |
| Cocoro Matsumura | Rick Lahaye | 0-1 | C97 | Round 6: Cocoro Matsumura - Rick Lahaye | 2022-12-27 |
| Cocoro Matsumura | Vyacheslav Ikonnikov | 0-1 | B31 | Round 4: Cocoro Matsumura - Vyacheslav Ikonnikov | 2022-08-08 |
| Matsumura Cocoro | Asllani Dorian | 1-0 | B31 | MTO - 2022 | 2022-07-21 |
| Matsumura Cocoro | Haimovich Tal | 0-1 | C92 | MTO - 2022 | 2022-07-19 |
| Matsumura, Cocoro | Gbyl, Andrzej | 1-0 | B11 | Cracovia 2021 A | 2022-01-02 |
| Matsumura, Cocoro | Garbowski, Jakub | 0-1 | C92 | Cracovia 2021 A | 2021-12-31 |
| Matsumura, Cocoro | Luczak, Filip | 0-1 | B91 | Cracovia 2021 A | 2021-12-28 |
| Matsumura, Cocoro | Bui, Christopher | 1-0 | B23 | Ch Fra U14 | 2010-11-28 |
| Matsumura, Cocoro | Bat, Bilguun | 1/2-1/2 | B52 | Ch Fra U14 | 2010-11-24 |
| Matsumura, Cocoro | Don Ignazi, Pierre Ange | * | B32 | Ch Fra U14 | 2010-11-23 |