255 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Costachi, Mihnea | Nedelea, Ariton-Vasile | 1-0 | E10 | Round 8: Costachi, Mihnea - Nedelea, Ariton-Vasile | 2026-08-02 |
| Costachi, Mihnea | Lupulescu, Constantin | 1/2-1/2 | D37 | Round 10: Costachi, Mihnea - Lupulescu, Constantin | 2026-08-02 |
| Costachi, Mihnea | Veneteanu, Mihai | 1/2-1/2 | D78 | Round 4: Costachi, Mihnea - Veneteanu, Mihai | 2026-08-01 |
| Costachi, Mihnea | Kuipers, Dustin | 1-0 | D31 | Round 2: Costachi, Mihnea - Kuipers, Dustin | 2025-11-30 |
| Costachi, Mihnea | Wojtaszek, Radoslaw | 0-1 | E11 | Round 4: Costachi, Mihnea - Wojtaszek, Radoslaw | 2025-11-30 |
| Costachi, Mihnea | Kukelko, Alexey | 1-0 | D45 | Round 6: Costachi, Mihnea - Kukelko, Alexey | 2025-11-30 |
| Costachi, Mihnea | Plat, Vojtech | 0-1 | B00 | Round 8: Costachi, Mihnea - Plat, Vojtech | 2025-11-30 |
| Costachi, Mihnea | Anton Guijarro, David | 1-0 | E11 | Round 10: Costachi, Mihnea - Anton Guijarro, David | 2025-11-30 |
| Costachi, Mihnea | Iturrizaga Bonelli, Eduardo | 0-1 | E11 | Round 12: Costachi, Mihnea - Iturrizaga Bonelli, Eduardo | 2025-11-30 |
| Costachi, Mihnea | Kelmendi, Bajrush | 1-0 | A40 | Round 7: Costachi, Mihnea - Kelmendi, Bajrush | 2025-11-29 |
| Costachi, Mihnea | Santos Latasa, Jaime | 0-1 | D43 | Round 9: Costachi, Mihnea - Santos Latasa, Jaime | 2025-11-29 |
| Costachi, Mihnea | Ivanchuk, Vasyl | 0-1 | E15 | Round 3: Costachi, Mihnea - Ivanchuk, Vasyl | 2025-11-28 |
| Costachi, Mihnea | Navara, David | 0-1 | Round 2: Costachi, Mihnea - Navara, David | 2024-12-10 | |
| Costachi, Mihnea | Bulmaga, Irina | 1/2-1/2 | Round 6: Costachi, Mihnea - Bulmaga, Irina | 2024-12-10 | |
| Costachi, Mihnea | Dobrikov, Marco | 1-0 | Round 8: Costachi, Mihnea - Dobrikov, Marco | 2024-12-10 | |
| Costachi, Mihnea | Mueller, Magnus | 1-0 | D43 | Round 2: Costachi, Mihnea - Mueller, Magnus | 2024-12-09 |
| Costachi, Mihnea | Sirigos, Nikolaos | 1-0 | A55 | Round 4: Costachi, Mihnea - Sirigos, Nikolaos | 2024-12-09 |
| Costachi, Mihnea | Mamedov, Rauf | 0-1 | D32 | Round 6: Costachi, Mihnea - Mamedov, Rauf | 2024-12-09 |
| Costachi, Mihnea | Radeva, Viktoria | 1/2-1/2 | D01 | Round 8: Costachi, Mihnea - Radeva, Viktoria | 2024-12-09 |
| Costachi, Mihnea | Pultinevicius, Paulius | 0-1 | D43 | Round 9: Costachi, Mihnea - Pultinevicius, Paulius | 2024-12-09 |
| Costachi, Mihnea | Zlatkov, Anton | 1-0 | E11 | Round 11: Costachi, Mihnea - Zlatkov, Anton | 2024-12-09 |
| Costachi, Mihnea | Muradli, Mahammad | 0-1 | E75 | Round 13: Costachi, Mihnea - Muradli, Mahammad | 2024-12-09 |
| Costachi, Mihnea | Santos Latasa, Jaime | 1/2-1/2 | D35 | Round 8: Costachi, Mihnea - Santos Latasa, Jaime | 2024-12-08 |
| Costachi, Mihnea | Podlesnik, Bogdan | 1-0 | E16 | Round 10: Costachi, Mihnea - Podlesnik, Bogdan | 2024-12-08 |
| Costachi, Mihnea | Iskos, Alexandros | 1-0 | D37 | Round 4: Costachi, Mihnea - Iskos, Alexandros | 2024-12-07 |
| Costachi, Mihnea | Quparadze, Giga | 0-1 | A00 | Round 6: Costachi, Mihnea - Quparadze, Giga | 2024-12-07 |
| Costachi, Mihnea | Patrascu, Catalin-Lucian | 1/2-1/2 | E11 | Round 4: Costachi, Mihnea - Patrascu, Catalin-Lucian | 2024-10-01 |
| Costachi, Mihnea | Maksimovic, Masa | 1-0 | D01 | Round 5: Costachi, Mihnea - Maksimovic, Masa | 2024-08-04 |
| Costachi, Mihnea | Krysa, Leandro | 1/2-1/2 | D01 | Round 7: Costachi, Mihnea - Krysa, Leandro | 2024-08-04 |
| Costachi, Mihnea | Sachilaru, Alexandru | 0-1 | E75 | Round 10: Costachi, Mihnea - Sachilaru, Alexandru | 2024-08-04 |
| Costachi, Mihnea | Yuffa, Daniil | 1/2-1/2 | D37 | XLIII Open Villa de Benasque 2024 | 2024-07-12 |
| Costachi, Mihnea | Gopal G.N. | 1/2-1/2 | D85 | XLIII Open Villa de Benasque 2024 | 2024-07-09 |
| Costachi, Mihnea | Narayanan S L | 0-1 | D37 | Round 5: Costachi, Mihnea - Narayanan S L | 2024-06-14 |
| Costachi, Mihnea | Ghita, Vlad-Bogdan | 1-0 | D15 | Round 7: Costachi, Mihnea - Ghita, Vlad-Bogdan | 2024-06-14 |
| Costachi, Mihnea | Manea, Alexandru | 1/2-1/2 | D15 | Round 9: Costachi, Mihnea - Manea, Alexandru | 2024-06-14 |
| Costachi, Mihnea | Stanescu, Andrei-Cornel | 1-0 | D01 | Round 1: Costachi, Mihnea - Stanescu, Andrei-Cornel | 2024-06-13 |
| Costachi, Mihnea | Maria, Lia-Alexandra | 1-0 | D26 | Round 3: Costachi, Mihnea - Maria, Lia-Alexandra | 2024-06-13 |
| Costachi, Mihnea | Nedelcu, Teodor-Cosmin | 1-0 | D36 | Round 5: Costachi, Mihnea - Nedelcu, Teodor-Cosmin | 2024-03-24 |
| Costachi, Mihnea | Veneteanu, Mihai | 1-0 | D58 | Round 7: Costachi, Mihnea - Veneteanu, Mihai | 2024-03-24 |
| Costachi, Mihnea | Ponomariov, Ruslan | 0-1 | D37 | Round 9: Costachi, Mihnea - Ponomariov, Ruslan | 2024-03-24 |
| Costachi, Mihnea | Stoica, Vlad V. | 1-0 | C26 | Round 1: Costachi, Mihnea - Stoica, Vlad V. | 2024-03-23 |
| Costachi, Mihnea | Dragomirescu, Angela | 1/2-1/2 | C41 | Round 3: Costachi, Mihnea - Dragomirescu, Angela | 2024-03-23 |
| Costachi, Mihnea | Sarana, Alexey | 1/2-1/2 | D37 | European Blitz Championship | 2023-12-16 |
| Costachi, Mihnea | Dragicevic, Drazen | 1-0 | D45 | European Blitz Championship | 2023-12-16 |
| Costachi, Mihnea | Maier, Christian | 1-0 | E73 | European Blitz Championship | 2023-12-16 |
| Costachi, Mihnea | Radenic, Filip | 1-0 | E17 | European Blitz Championship | 2023-12-16 |
| Costachi, Mihnea | Spalir, Jernej | 1/2-1/2 | D35 | European Blitz Championship | 2023-12-16 |
| Costachi, Mihnea | Hulka, Valentyn | 1/2-1/2 | D41 | European Rapid Championship | 2023-12-15 |
| Costachi, Mihnea | Vyval, Volodymyr | 1/2-1/2 | D41 | European Rapid Championship | 2023-12-15 |
| Costachi, Mihnea | Saric, Ivan | 1/2-1/2 | E75 | European Rapid Championship | 2023-12-14 |
| Costachi, Mihnea | Dardha, Daniel | 0-1 | E10 | European Rapid Championship | 2023-12-14 |
| Mihnea Costachi | Alexandru-Ioan Simina | 1-0 | C52 | Round 2: Mihnea Costachi - Alexandru-Ioan Simina | 2023-12-03 |
| Mihnea Costachi | Robert-Ionut Creanga | 1/2-1/2 | D37 | Round 4: Mihnea Costachi - Robert-Ionut Creanga | 2023-12-03 |
| Mihnea Costachi | Costica-Ciprian Nanu | 1-0 | E17 | Round 6: Mihnea Costachi - Costica-Ciprian Nanu | 2023-12-03 |
| Mihnea Costachi | Lucian-Costin Miron | 1-0 | E11 | Round 7: Mihnea Costachi - Lucian-Costin Miron | 2023-12-03 |
| Mihnea Costachi | Costica-Ciprian Nanu | 1/2-1/2 | E17 | Round 3: Mihnea Costachi - Costica-Ciprian Nanu | 2023-12-02 |
| Mihnea Costachi | Constantin Lupulescu | 0-1 | D38 | Round 4: Mihnea Costachi - Constantin Lupulescu | 2023-12-02 |
| Mihnea Costachi | Romulus-Cristian Stefan | 1-0 | D15 | Round 1: Mihnea Costachi - Romulus-Cristian Stefan | 2023-12-02 |
| Mihnea Costachi | Andrei Negrean | 1/2-1/2 | D01 | Round 6: Mihnea Costachi - Andrei Negrean | 2023-12-02 |
| Mihnea Costachi | Daniel-Cristian Padurean | 1-0 | D02 | Round 8: Mihnea Costachi - Daniel-Cristian Padurean | 2023-12-02 |
| Mihnea Costachi | David Cordea | 1-0 | D26 | Round 2: Mihnea Costachi - David Cordea | 2023-12-01 |
| Mihnea Costachi | Constantin Lupulescu | 0-1 | D37 | Round 4: Mihnea Costachi - Constantin Lupulescu | 2023-12-01 |
| Mihnea Costachi | Armand Veress | 1-0 | D33 | Round 6: Mihnea Costachi - Armand Veress | 2023-12-01 |
| Mihnea Costachi | David Gavrilescu | 1-0 | D37 | Round 7: Mihnea Costachi - David Gavrilescu | 2023-12-01 |
| Mihnea Costachi | Filip Magold | 1/2-1/2 | D26 | Round 10: Mihnea Costachi - Filip Magold | 2023-12-01 |
| Mihnea Costachi | Gheorghe Grad | 1-0 | C26 | Round 6: Mihnea Costachi - Gheorghe Grad | 2023-11-05 |
| Mihnea Costachi | Anastasiya Rakhmangulova | 1-0 | D45 | Round 8: Mihnea Costachi - Anastasiya Rakhmangulova | 2023-11-05 |
| Mihnea Costachi | Marius Manolache | 1-0 | A50 | Round 10: Mihnea Costachi - Marius Manolache | 2023-11-05 |
| Mihnea Costachi | Marian Zaim | 1-0 | A00 | Round 2: Mihnea Costachi - Marian Zaim | 2023-11-04 |
| Mihnea Costachi | Andrei Negrean | 1/2-1/2 | B14 | Round 4: Mihnea Costachi - Andrei Negrean | 2023-11-04 |
| Mihnea Costachi | Evelyn Wagenschuetz | 1-0 | C26 | Round 5: Mihnea Costachi - Evelyn Wagenschuetz | 2023-08-06 |
| Mihnea Costachi | Mihnea-Ionut Ognean | 0-1 | D01 | Round 8: Mihnea Costachi - Mihnea-Ionut Ognean | 2023-08-06 |
| Mihnea Costachi | Silvia-Raluca Sgircea | 1-0 | D27 | Round 5: Mihnea Costachi - Silvia-Raluca Sgircea | 2023-04-30 |
| Mihnea Costachi | Dragos-Nicolae Dumitrache | 1-0 | A57 | Round 7: Mihnea Costachi - Dragos-Nicolae Dumitrache | 2023-04-30 |
| Mihnea Costachi | Jakub Roubalik | 1-0 | D37 | Round 9: Mihnea Costachi - Jakub Roubalik | 2023-04-30 |
| Mihnea Costachi | Ionel Linca | 1-0 | A00 | Round 1: Mihnea Costachi - Ionel Linca | 2023-04-29 |
| Mihnea Costachi | Mihai-Edward Padurariu | 1/2-1/2 | D33 | Round 3: Mihnea Costachi - Mihai-Edward Padurariu | 2023-04-29 |
| Costachi, Mihnea | Azarov, Sergei | 0-1 | D59 | European Rapid Chess Championship 2022 | 2022-12-18 |
| Costachi, Mihnea | Svane, Rasmus | 1/2-1/2 | D37 | European Rapid Chess Championship 2022 | 2022-12-18 |
| Costachi, Mihnea | Kaliszuk, Kamil | 1/2-1/2 | D53 | European Rapid Championship | 2022-12-17 |
| Costachi, Mihnea | Olde, Margareth | * | B23 | Katowice | 2022-12-17 |
| Costachi, Mihnea | Olde, Margareth | 1-0 | D31 | Katowice | 2022-12-17 |
| Costachi, Mihnea | Mastrovasilis, Dimitrios | 1/2-1/2 | D31 | European Rapid Chess Championship 2022 | 2022-12-17 |
| Costachi, Mihnea | Kozlowski, Franciszek | 1-0 | D56 | Katowice | 2022-12-16 |
| Costachi, Mihnea | Grineva, Marianna | 1-0 | E73 | Katowice | 2022-12-16 |
| Costachi, Mihnea | Kovalevsky, Stanislav | 1-0 | D37 | Katowice | 2022-12-16 |
| Costachi, Mihnea | Piorun, Kacper | 0-1 | A46 | European Blitz Chess Championship 2022 | 2022-12-16 |
| Costachi, Mihnea | Sotsky, Alexander | 1-0 | D31 | Katowice | 2022-12-16 |
| Costachi, Mihnea | Livaic, Leon | 0-1 | D37 | European Blitz Chess Championship 2022 | 2022-12-16 |
| Costachi, Mihnea | Oleksienko, Mikhailo | 1/2-1/2 | D15 | European Blitz Chess Championship 2022 | 2022-12-16 |
| Costachi, Mihnea | Drazic, Sinisa | 0-1 | D25 | Katowice | 2022-12-16 |
| Costachi, Mihnea | Karvatskyi, Oleksii | 1-0 | D43 | European Blitz Chess Championship 2022 | 2022-12-16 |
| Costachi, Mihnea | Yuffa, Daniil | 1-0 | A49 | European Blitz Chess Championship 2022 | 2022-12-16 |
| Mihnea Costachi | Romulus-Cristian Stefan | 1-0 | A42 | Round 2: Mihnea Costachi - Romulus-Cristian Stefan | 2022-12-03 |
| Mihnea Costachi | Robin-Alexandru Dragomirescu | 1-0 | E15 | Round 4: Mihnea Costachi - Robin-Alexandru Dragomirescu | 2022-12-03 |
| Mihnea Costachi | Constantin Lupulescu | 1/2-1/2 | D37 | Round 6: Mihnea Costachi - Constantin Lupulescu | 2022-12-03 |
| Mihnea Costachi | Romulus-Cristian Stefan | 1-0 | A41 | Round 8: Mihnea Costachi - Romulus-Cristian Stefan | 2022-12-03 |
| Mihnea Costachi | Cristian-Daniel Oltean | 1-0 | D33 | Round 2: Mihnea Costachi - Cristian-Daniel Oltean | 2022-12-02 |
| Mihnea Costachi | Lehel Vrencian | 1-0 | A53 | Round 6: Mihnea Costachi - Lehel Vrencian | 2022-12-02 |
| Mihnea Costachi | Elena-Luminita Cosma | 1-0 | D35 | Round 5: Mihnea Costachi - Elena-Luminita Cosma | 2022-11-06 |