| Nov 24, 2025 | Samaridis | 0–1 | Spyratos | 2nd Gavriil Mastrovasilis Memorial Rapid 2025 | Queen's Gambit Declined: Three Knights Variation | |
| Nov 24, 2025 | Samaridis | 1–0 | Seretis | 2nd Gavriil Mastrovasilis Memorial Rapid 2025 | Queen's Gambit Declined: Harrwitz Attack, Fianchetto Defense | |
| Nov 24, 2025 | Minas | 1–0 | Samaridis | 2nd Gavriil Mastrovasilis Memorial Rapid 2025 | Sicilian Defense: Delayed Alapin Variation | |
| Sep 6, 2025 | Milovanovic | 1–0 | Samaridis | Round 9: Milovanovic, Ninoslav - Samaridis, Konstantinos | English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with Nb6 | |
| Sep 5, 2025 | Samaridis | 0–1 | Leftheriotis | Round 8: Samaridis, Konstantinos - Leftheriotis, Alexandros | King's Indian Defense: Averbakh Variation, Spanish Defense | |
| Sep 4, 2025 | Samaridis | 1–0 | Dimakis | Round 7: Samaridis, Konstantinos - Dimakis, Stavros | Queen's Gambit Accepted | |
| Sep 3, 2025 | Giannoulakis | 1–0 | Samaridis | Round 6: Giannoulakis, Lampros - Samaridis, Konstantinos | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Sep 2, 2025 | Sarantos | 1–0 | Samaridis | Round 5: Sarantos, Vasileios - Samaridis, Konstantinos | Vienna Game: Falkbeer Variation | |
| Aug 29, 2025 | Samaridis | ½–½ | Magkalakis | Round 4: Samaridis, Konstantinos - Magkalakis, Stefanos | Bogo-Indian Defense: Grünfeld Variation | |
| Jul 3, 2025 | Hartofylakas | 1–0 | Samaridis | Round 2: Hartofylakas, Spyros - Samaridis, Konstantinos | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Mar 3, 2025 | Samaridis | ½–½ | Tsaknakis | Round 7: Samaridis, Konstantinos - Tsaknakis, Zisis | Four Knights Game: Scotch Variation Accepted | |
| Mar 2, 2025 | Raptis | 0–1 | Samaridis | Round 6: Raptis, Filippos - Samaridis, Konstantinos | French Defense: King's Indian Attack | |
| Feb 28, 2025 | Chasouraki | 1–0 | Samaridis | Round 2: Chasouraki, Chrysi - Samaridis, Konstantinos | Caro-Kann Defense: Exchange Variation | |
| Jan 8, 2025 | Samaridis | ½–½ | Tsarsitalidis | Round 9: Samaridis, Konstantinos - Tsarsitalidis, Christos | Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | |
| Jan 7, 2025 | Kesidis | 0–1 | Samaridis | Round 8: Kesidis, Odyseas - Samaridis, Konstantinos | English Opening: Great Snake Variation | |
| Jan 6, 2025 | Samaridis | 0–1 | Tsaknakis | Round 7: Samaridis, Konstantinos - Tsaknakis, Zisis | Modern Defense | |
| Jan 5, 2025 | Samaridis | ½–½ | Ioannidis | Round 5: Samaridis, Konstantinos - Ioannidis, Evgenios | Sicilian Defense: Najdorf Variation | |
| Jan 5, 2025 | Antoniou | 0–1 | Samaridis | Round 6: Antoniou, Rafail - Samaridis, Konstantinos | Sicilian Defense: O'Kelly Variation, Maróczy Bind, Geller Line | |
| Jan 4, 2025 | Triantafilidis | ½–½ | Samaridis | Round 4: Triantafilidis, Mihail - Samaridis, Konstantinos | Sicilian Defense: O'Kelly Variation, Maróczy Bind, Geller Line | |
| Jan 3, 2025 | Samaridis | 1–0 | Kountrias | Round 3: Samaridis, Konstantinos - Kountrias, Kosmas Ioannis | Queen's Gambit Accepted: Normal Variation, Traditional System | |
| Jan 3, 2025 | Tsarsitalidis | 1–0 | Samaridis | Round 2: Tsarsitalidis, Konstantinos - Samaridis, Konstantinos | Caro-Kann Defense: Classical Variation, Main Line | |
| Jan 2, 2025 | Samaridis | 1–0 | Voutsas | Round 1: Samaridis, Konstantinos - Voutsas, Leonidas | Sicilian Defense: Moscow Variation | |
| Apr 9, 2023 | Sarkar | ½–½ | Samaridis | Paphos | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Apr 8, 2023 | Giannoulakis | 1–0 | Samaridis | Paphos | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Oct 25, 2021 | Renkowski | * | Samaridis | FIDE World Amateur 2021 U2300 | ? | |
| Oct 24, 2021 | Zherebtsova | 0–1 | Samaridis | FIDE World Amateur 2021 U2300 | Catalan Opening: Closed | |
| Oct 23, 2021 | Samaridis | * | Pavel | FIDE World Amateur 2021 U2300 | ? | |
| Oct 22, 2021 | Samaridis | * | Coicev | FIDE World Amateur 2021 U2300 | ? | |
| Oct 21, 2021 | Oragwu | 1–0 | Samaridis | FIDE World Amateur 2021 U2300 | Italian Game: Classical Variation, Giuoco Pianissimo, with a6 | |
| Oct 20, 2021 | Samaridis | * | Cap | FIDE World Amateur 2021 U2300 | ? | |
| Oct 19, 2021 | Samaridis | * | Grapsa | FIDE World Amateur 2021 U2300 | ? | |
| Oct 18, 2021 | Ladopoulos | 1–0 | Samaridis | FIDE World Amateur 2021 U2300 | King's Indian Attack | |
| Oct 17, 2021 | Khaliun Batnasan | 0–1 | Samaridis | U2300 FIDE World Amateur Championship | ? | |
| Aug 6, 2021 | Samaridis | * | Kostov | 30th OPEN Chess International Tournament | ? | |
| Aug 5, 2021 | Kanakaris | 1–0 | Samaridis | 30th OPEN Chess International Tournament | English Opening: Agincourt Defense, Wimpy System | |
| Aug 4, 2021 | Samaridis | * | Christidis | 30th OPEN Chess International Tournament | ? | |
| Aug 3, 2021 | Kiousi | * | Samaridis | 30th OPEN Chess International Tournament | ? | |
| Aug 2, 2021 | Samaridis | 0–1 | Patrelakis | 30th OPEN Chess International Tournament | Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | |
| Aug 2, 2021 | Shuqja | * | Samaridis | 30th OPEN Chess International Tournament | ? | |
| Aug 1, 2021 | Samaridis | * | Bardis | 30th OPEN Chess International Tournament | ? | |
| Jul 26, 2021 | Samaridis | * | Deligiannis | 14th Paleochora International Tournament | ? | |
| Jul 26, 2021 | Samaridis | * | Deligiannis | 13th International Tournament of Paleochora | ? | |
| Jul 24, 2021 | Samaridis | * | Galanakis | 13th International Tournament of Paleochora | ? | |
| Jul 24, 2021 | Rakotomaharo | 1–0 | Samaridis | 14th Paleochora International Chess Tournament 2021 | ? | |
| Jul 16, 2021 | Stoyanov | * | Samaridis | Paracin Open | A | ? | |
| Jul 15, 2021 | Samaridis | 0–1 | Samadov | Paracin Open | A | ? | |
| Jul 14, 2021 | Milosevic | * | Samaridis | Paracin Open | A | ? | |
| Jul 13, 2021 | Samaridis | 0–1 | Sankalp Gupta | Paracin Open | A | Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | |
| Jul 13, 2021 | Souhardo Basak | * | Samaridis | Paracin Open | A | ? | |
| Jul 12, 2021 | Samaridis | * | Papakonstantinou | Paracin Open | A | ? | |
| Jul 10, 2021 | Samaridis | * | Kurmangaliyeva | Paracin Open | A | ? | |
| Jul 10, 2021 | Heinemann | * | Samaridis | Paracin Open | A | ? | |
| Jul 9, 2021 | Grieve | ½–½ | Samaridis | Paracin Open | A | ? | |
| — | Samaridis | 1–0 | Balafoutas | Round 3: Samaridis, Konstantinos - Balafoutas, Alexandros | King's Indian Defense: Sämisch Variation, Normal Defense | |
| — | Samaridis | ½–½ | Magkalakis | Round 4: Samaridis, Konstantinos - Magkalakis, Stefanos | Benoni Defense: Classical Variation, New York Variation | |
| — | Samaridis | 0–1 | Tsarsitalidis | Round 7: Samaridis, Konstantinos - Tsarsitalidis, Konstantinos | Queen's Pawn Game: Zukertort Variation | |
| — | Samaridis | 1–0 | Karounis | Round 9: Samaridis, Konstantinos - Karounis, Ioannis | Ruy Lopez: Morphy Defense | |
| — | Samaridis | 1–0 | Demirtzoglou | ΠΑΝΕΛΛΗΝΙΟ ΠΡΩΤΑΘΛΗΜΑ BLITZ 2025 | Modern Defense | |
| — | Samaridis | 1–0 | Mitsopoulos | Round 2: Samaridis, Konstantinos - Mitsopoulos, Ioannis | Slav Defense: Chebanenko Variation, Advance System | |
| — | Mykhailets | 0–1 | Samaridis | Round 2: Mykhailets, Polina - Samaridis, Konstantinos | Sicilian Defense: Moscow Variation, Main Line | |
| — | Roinos | 1–0 | Samaridis | Round 5: Roinos, Ilias - Samaridis, Konstantinos | Sicilian Defense: Sozin Attack, Main Line | |
| — | Ozturk | 0–1 | Samaridis | Round 6: Ozturk, Efe - Samaridis, Konstantinos | Sicilian Defense: Delayed Alapin Variation | |
| — | Exarchos | 1–0 | Samaridis | Round 8: Exarchos, Antonios - Samaridis, Konstantinos | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| — | Papadimitriou | 1–0 | Samaridis | ΠΑΝΕΛΛΗΝΙΟ ΠΡΩΤΑΘΛΗΜΑ BLITZ 2025 | English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3 | |
| — | Ioannidis | 1–0 | Samaridis | ΠΑΝΕΛΛΗΝΙΟ ΠΡΩΤΑΘΛΗΜΑ BLITZ 2025 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| — | Spirliadis | 0–1 | Samaridis | ΠΑΝΕΛΛΗΝΙΟ ΠΡΩΤΑΘΛΗΜΑ BLITZ 2025 | Sicilian Defense: Delayed Alapin Variation | |
| — | Spirliadis | 1–0 | Samaridis | ΠΑΝΕΛΛΗΝΙΟ ΑΤΟΜΙΚΟ ΠΡΩΤΑΘΛΗΜΑ RAPID 2025 | Bishop's Opening: Vienna Hybrid | |
| — | Giakoustidou | 0–1 | Samaridis | Round 1: Giakoustidou, Evgenia - Samaridis, Konstantinos | Sicilian Defense: Classical Variation | |
| — | Keramaros | 0–1 | Samaridis | Round 3: Keramaros, Vasileios - Samaridis, Konstantinos | Rapport-Jobava System | |