| Jan 29, 2024 | Evgeny Alekseev | ½–½ | Marsel Efroimski | Round 9: Evgeny Alekseev - Marsel Efroimski | English Opening: Agincourt Defense | |
| Jan 28, 2024 | Marsel Efroimski | 1–0 | Yoav Milikow | Round 8: Marsel Efroimski - Yoav Milikow | Petrov's Defense: Modern Attack, Murrey Variation | |
| Jan 27, 2024 | Mark Ljubarov | ½–½ | Marsel Efroimski | Round 7: Mark Ljubarov - Marsel Efroimski | Bogo-Indian Defense: Nimzowitsch Variation | |
| Jan 26, 2024 | Marsel Efroimski | ½–½ | Victor Mikhalevski | Round 6: Marsel Efroimski - Victor Mikhalevski | Sicilian Defense: Moscow Variation | |
| Jan 25, 2024 | Roee Pelech | 0–1 | Marsel Efroimski | Round 5: Roee Pelech - Marsel Efroimski | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jan 24, 2024 | Marsel Efroimski | 1–0 | Ronit Levitan | Round 4: Marsel Efroimski - Ronit Levitan | King's Indian Attack: Keres Variation | |
| Jan 23, 2024 | Marsel Efroimski | ½–½ | Noga Orian | Round 3: Marsel Efroimski - Noga Orian | Sicilian Defense: Kalashnikov Variation | |
| Jan 21, 2024 | Evelina Khairova | 0–1 | Marsel Efroimski | Round 1: Evelina Khairova - Marsel Efroimski | English Defense | |
| Aug 18, 2023 | Marsel Efroimski | ½–½ | Anastasia Avramidou | Round 9: Marsel Efroimski - Anastasia Avramidou | Sicilian Defense: French Variation, Westerinen Attack | |
| Aug 17, 2023 | Marta Garcia Martin | 0–1 | Marsel Efroimski | Round 8: Marta Garcia Martin - Marsel Efroimski | French Defense: Advance Variation, Euwe Variation | |
| Aug 16, 2023 | Marsel Efroimski | 1–0 | Petra Papp | Round 7: Marsel Efroimski - Petra Papp | Ruy Lopez: Morphy Defense, Classical Defense Deferred | |
| Aug 15, 2023 | Josefine Heinemann | 0–1 | Marsel Efroimski | Round 6: Josefine Heinemann - Marsel Efroimski | French Defense: Tarrasch Variation, Chistyakov Defense | |
| Aug 14, 2023 | Marsel Efroimski | 0–1 | Alicja Sliwicka | Round 5: Marsel Efroimski - Alicja Sliwicka | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Aug 13, 2023 | Robin Duson | 0–1 | Marsel Efroimski | Round 4: Robin Duson - Marsel Efroimski | Bogo-Indian Defense: Nimzowitsch Variation | |
| Aug 12, 2023 | Marsel Efroimski | 1–0 | Trisha Kanyamarala | Round 3: Marsel Efroimski - Trisha Kanyamarala | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Aug 11, 2023 | Marsel Efroimski | 1–0 | Laura Unuk | Round 1: Marsel Efroimski - Laura Unuk | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Aug 11, 2023 | Machteld Van Foreest | ½–½ | Marsel Efroimski | Round 2: Machteld Van Foreest - Marsel Efroimski | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Jul 8, 2023 | Marsel Efroimski | ½–½ | Yuliya Shvayger | Round 5: Marsel Efroimski - Yuliya Shvayger | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jul 8, 2023 | Anastasiya Rakhmangulova | ½–½ | Marsel Efroimski | Round 4: Anastasiya Rakhmangulova - Marsel Efroimski | French Defense: Exchange Variation | |
| Jul 7, 2023 | Marsel Efroimski | 1–0 | Nadejda Reprun | Round 3: Marsel Efroimski - Nadejda Reprun | Caro-Kann Defense: Maróczy Variation | |
| Jul 7, 2023 | Tatiana Yakovleva | ½–½ | Marsel Efroimski | Round 2: Tatiana Yakovleva - Marsel Efroimski | English Defense | |
| Jul 6, 2023 | Marsel Efroimski | ½–½ | Olga Karavaeva | Round 1: Marsel Efroimski - Olga Karavaeva | Sicilian Defense: Four Knights Variation, Exchange Variation | |
| Feb 26, 2023 | Eric Rosen | ½–½ | Marsel Efroimski | Round 9: Eric Rosen - Marsel Efroimski | Sicilian Defense: Modern Variations | |
| Feb 25, 2023 | Marsel Efroimski | 1–0 | Nicolai Maxime Østensen | Round 8: Marsel Efroimski - Nicolai Maxime Østensen | Petrov's Defense: Nimzowitsch Attack | |
| Feb 25, 2023 | Vignir Vatnar Stefansson | ½–½ | Marsel Efroimski | Round 7: Vignir Vatnar Stefansson - Marsel Efroimski | English Opening: Agincourt Defense, Catalan Defense Accepted | |
| Feb 24, 2023 | Marsel Efroimski | ½–½ | Vahagn Khachatryan | Krageroe Resort Chess 2023 | Four Knights Game: Spanish Variation, Rubinstein Variation | |
| Feb 24, 2023 | Visakh NR | 1–0 | Marsel Efroimski | Krageroe Resort Chess 2023 | Zukertort Opening: Queen's Gambit Invitation | |
| Dec 13, 2022 | Marsel Efroimski | 1–0 | Noga Orian | Round 9: Marsel Efroimski - Noga Orian | Sicilian Defense: Closed, Chameleon Variation | |
| Dec 12, 2022 | Julia Kluchik | 1–0 | Marsel Efroimski | Round 8: Julia Kluchik - Marsel Efroimski | Queen's Pawn Game: Zukertort Variation | |
| Dec 11, 2022 | Marsel Efroimski | ½–½ | Dana Kochavi | Round 7: Marsel Efroimski - Dana Kochavi | Caro-Kann Defense: Accelerated Panov Attack, Modern Variation | |
| Dec 10, 2022 | Yuliya Shvayger | ½–½ | Marsel Efroimski | Round 6: Yuliya Shvayger - Marsel Efroimski | Sicilian Defense: Classical Variation, Fianchetto Variation | |
| Dec 9, 2022 | Marsel Efroimski | 1–0 | Lena Brusilovski | Round 5: Marsel Efroimski - Lena Brusilovski | Sicilian Defense: Closed, Traditional | |
| Dec 8, 2022 | Lilia Ovechkin | 0–1 | Marsel Efroimski | Round 4: Marsel Efroimski - Lilia Ovechkin | Trompowsky Attack | |
| Dec 7, 2022 | Marsel Efroimski | 1–0 | Ronit Levitan | Round 3: Marsel Efroimski - Ronit Levitan | Ruy Lopez: Exchange Variation, Bronstein Variation | |
| Dec 6, 2022 | Nadejda Reprun | 0–1 | Marsel Efroimski | Round 2: Nadejda Reprun - Marsel Efroimski | Sicilian Defense: Four Knights Variation, Cobra Variation | |
| Dec 5, 2022 | Marsel Efroimski | 1–0 | Sofiia Tashkinova | Round 1: Marsel Efroimski - Sofiia Tashkinova | French Defense: Advance Variation, Lputian Variation | |
| Jun 10, 2022 | Mukhiddin Madaminov | 0–1 | Marsel Efroimski | Norway Chess Open 2022 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jun 9, 2022 | Marsel Efroimski | ½–½ | Nikolas Wachinger | Norway Chess Open 2022 | Sicilian Defense: Najdorf Variation | |
| Jun 8, 2022 | Marsel Efroimski | 1–0 | Alessio Valsecchi | Norway Chess Open 2022 | French Defense: Advance Variation, Euwe Variation | |
| Jun 7, 2022 | Victor Mikhalevski | 1–0 | Marsel Efroimski | Norway Chess Open 2022 | English Opening: King's English Variation, Four Knights Variation, Fianchetto Line | |
| Jun 5, 2022 | Marsel Efroimski | 1–0 | Sondre Melaa | Norway Chess Open 2022 | Sicilian Defense: Dragon Variation, Yugoslav Attack, Panov Variation | |
| Jun 5, 2022 | Marsel Efroimski | 1–0 | Boris Chatalbashev | Norway Chess Open 2022 | Modern Defense: Two Knights Variation | |
| Jun 5, 2022 | Vitaly Kunin | 1–0 | Marsel Efroimski | Norway Chess Open 2022 | Queen's Gambit Declined: Semi-Tarrasch Defense, Exchange Variation | |
| Jun 4, 2022 | Aksel Bu Kvaloy | 0–1 | Marsel Efroimski | Norway Chess Open 2022 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jun 3, 2022 | Marsel Efroimski | * | Lars Tormod Haugen | Norway Chess Open 2022 | ? | |
| Oct 30, 2021 | Marsel Efroimski | 1–0 | Olga Gutmakher | Round 5: Marsel Efroimski - Olga Gutmakher | King's Pawn Game | |
| Oct 30, 2021 | Ronit Levitan | 0–1 | Marsel Efroimski | Round 4: Ronit Levitan - Marsel Efroimski | Pirc Defense | |
| Oct 29, 2021 | Marsel Efroimski | 1–0 | Michelle Katkov | Round 3: Marsel Efroimski - Michelle Katkov | Ruy Lopez: Open, Bernstein Variation | |
| Oct 29, 2021 | Yuliya Shvayger | ½–½ | Marsel Efroimski | Round 2: Yuliya Shvayger - Marsel Efroimski | Sicilian Defense: Classical Variation, Fianchetto Variation | |
| Oct 28, 2021 | Marsel Efroimski | 1–0 | Irina Len | Round 1: Marsel Efroimski - Irina Len | Scandinavian Defense: Valencian Variation | |
| Jun 5, 2021 | Gabriel Flom | 1–0 | Marsel Efroimski | Round 9: Gabriel Flom - Marsel Efroimski | Queen's Gambit Declined: Janowski Variation | |
| Jun 4, 2021 | Marsel Efroimski | 1–0 | Guy Levin | Round 8: Marsel Efroimski - Guy Levin | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Mar 8, 2021 | Avital Boruchovsky | ½–½ | Marsel Efroimski | Israeli Championship - Round 2: Avital Boruchovsky - Marsel Efroimski | King's Indian Attack | |