| Dec 29, 2025 | Duijker | ½–½ | Sydykov | Round 9: Duijker, Rick - Sydykov, Bayastan | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Dec 28, 2025 | Korchynskyi | 1–0 | Duijker | Round 8: Korchynskyi, Mykola - Duijker, Rick | Ruy Lopez: Berlin Defense | |
| Dec 28, 2025 | Duijker | 1–0 | Elgersma | Round 7: Duijker, Rick - Elgersma, Onno | French Defense: Classical Variation, Burn Variation | |
| Dec 27, 2025 | Duijker | ½–½ | Aakash | Chessfestival Groningen 2025 Open A | French Defense: Alekhine-Chatard Attack, Albin-Chatard Gambit | |
| Dec 26, 2025 | Van Foreest | 0–1 | Duijker | Round 6: Van Foreest, Machteld - Duijker, Rick | French Defense: Tarrasch Variation, Chistyakov Defense | |
| Dec 24, 2025 | Duijker | ½–½ | Smeets | Round 5: Duijker, Rick - Smeets, Kobe | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Dec 24, 2025 | Koster | ½–½ | Duijker | Round 4: Koster, Ramon - Duijker, Rick | Queen's Gambit Accepted: Rosenthal Variation | |
| Dec 22, 2025 | Lahaye | 1–0 | Duijker | Round 2: Lahaye, Rick - Duijker, Rick | King's Indian Attack | |
| Dec 21, 2025 | Duijker | 1–0 | Maris | Round 1: Duijker, Rick - Maris, Ivo | Modern Defense: Standard Line | |
| Jul 30, 2025 | Jakhari | ½–½ | Duijker | Round 9: Jakhari, Ansh - Duijker, Rick | Queen's Indian Defense: Spassky System | |
| Jul 29, 2025 | Duijker | 1–0 | Blok | Round 8: Duijker, Rick - Blok, Xaveer | Zukertort Opening | |
| Jul 28, 2025 | De Wit | ½–½ | Duijker | Round 7: De Wit, Evan - Duijker, Rick | French Defense: Exchange Variation | |
| Jul 27, 2025 | Duijker | ½–½ | Van t Hoff | Round 6: Duijker, Rick - Van t Hoff, Tom | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Jul 26, 2025 | Kurt | 1–0 | Duijker | Round 5: Kurt, Sascha - Duijker, Rick | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Jul 25, 2025 | Elgersma | 1–0 | Duijker | Round 4: Elgersma, Onno - Duijker, Rick | Petrov's Defense: Damiano Variation, Kholmov Gambit | |
| Jul 24, 2025 | Duijker | 1–0 | Gergin | Round 3: Duijker, Rick - Gergin, Isafara | Caro-Kann Defense: Endgame Variation | |
| Jul 23, 2025 | Duijker | 1–0 | Breuker | Round 2: Duijker, Rick - Breuker, Dennis | King's Gambit Accepted: Bonsch-Osmolovsky Variation | |
| Jul 22, 2025 | Flom | 1–0 | Duijker | Round 1: Flom, Gabriel - Duijker, Rick | Benko Gambit Accepted: Modern Variation | |
| Jul 21, 2024 | Khatniuk | 0–1 | Duijker | Amsterdam Science Park 2024 | French Defense: Tarrasch Variation, Closed Variation | |
| Jul 20, 2024 | Duijker | 0–1 | Kanis | Amsterdam Science Park 2024 | English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation | |
| Jul 19, 2024 | Wunnink | ½–½ | Duijker | Amsterdam Science Park 2024 | Nimzo-Indian Defense: Rubinstein System | |
| Jul 18, 2024 | Duijker | * | Groenewoud | Amsterdam Science Park 2024 | Nimzo-Larsen Attack: Indian Variation | |
| Jul 17, 2024 | In t Veld | ½–½ | Duijker | Amsterdam Science Park 2024 | Ruy Lopez: Berlin Defense | |
| Jul 16, 2024 | Duijker | ½–½ | Goudriaan | Amsterdam Science Park 2024 | Sicilian Defense: Godiva Variation | |
| Jul 15, 2024 | Emans | ½–½ | Duijker | Amsterdam Science Park 2024 | Benko Gambit Accepted: Fully Accepted Variation | |
| Dec 30, 2024 | Duijker | 0–1 | Slagboom | Round 9: Duijker, Rick - Slagboom, Leandro | King's Indian Defense: Orthodox Variation, Glek Defense | |
| Dec 29, 2024 | Duijker | ½–½ | Schoorl | Round 8: Duijker, Rick - Schoorl, Rob | Indian Defense | |
| Dec 28, 2024 | Labruyere | 1–0 | Duijker | Round 7: Labruyere, Roger - Duijker, Rick | French Defense: Winawer Variation, Warsaw Variation | |
| Dec 27, 2024 | Duijker | 1–0 | Grooten | Round 6: Duijker, Rick - Grooten, Herman | Sicilian Defense: Smith-Morra Gambit Accepted, Kan Formation | |
| Dec 26, 2024 | Ivanov | 0–1 | Duijker | Round 5: Ivanov, Dmytro - Duijker, Rick | English Opening: Anglo-Indian Defense | |
| Dec 24, 2024 | Duijker | ½–½ | Groenewoud | Round 4: Duijker, Rick - Groenewoud, Joel | Trompowsky Attack | |
| Dec 23, 2024 | Khoo-Thwe | 0–1 | Duijker | Round 3: Khoo-Thwe, Louis - Duijker, Rick | Sicilian Defense: Nimzowitsch Variation, Main Line | |
| Dec 22, 2024 | Madularea | 1–0 | Duijker | Round 2: Madularea, David - Duijker, Rick | Ruy Lopez: Berlin Defense, Rio Gambit Accepted | |
| Dec 21, 2024 | Duijker | 0–1 | Dolzhykova | Round 1: Duijker, Rick - Dolzhykova, Kateryna | Trompowsky Attack | |
| Nov 2, 2024 | Kukushkin | ½–½ | Duijker | Round 9: Kukushkin, Ivan - Duijker, Rick | Ruy Lopez: Open Berlin Defense, l'Hermet Variation | |
| Nov 1, 2024 | Duijker | ½–½ | Plukkel | Round 8: Duijker, Rick - Plukkel, Sjoerd | Sicilian Defense: Smith-Morra Gambit Accepted, Fianchetto Defense | |
| Oct 31, 2024 | Ten Dam | ½–½ | Duijker | Round 7: Ten Dam, Bram - Duijker, Rick | Italian Game: Classical Variation, Giuoco Pianissimo, with d6 | |
| Oct 30, 2024 | Duijker | ½–½ | Emans | Round 6: Duijker, Rick - Emans, Job | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Oct 29, 2024 | Duijker | ½–½ | Bosboom | Round 4: Duijker, Rick - Bosboom, Manuel | King's Indian Defense: Orthodox Variation, Positional Defense | |
| Oct 28, 2024 | Vaupot | 0–1 | Duijker | Round 3: Vaupot, Kajetan - Duijker, Rick | Catalan Opening | |
| Oct 27, 2024 | Duijker | 0–1 | Labruyere | Round 2: Duijker, Rick - Labruyere, Roger | Sicilian Defense: Najdorf Variation | |
| Oct 26, 2024 | Westerhof | 0–1 | Duijker | Round 1: Westerhof, Fleur - Duijker, Rick | French Defense: Advance Variation, Euwe Variation | |
| — | Titus | ½–½ | Duijker | Amsterdam Science Park 2024 | Sicilian Defense: Löwenthal Variation | |