| Jun 21, 2026 | Van Batenburg | ½–½ | Beerdsen | HSG Open 2026 A | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Jun 21, 2026 | Martyr | ½–½ | Beerdsen | HSG Open 2026 A | English Opening: Symmetrical Variation, Ultra-Symmetrical Variation | |
| Jun 21, 2026 | Beerdsen | 1–0 | Leenen | HSG Open 2026 A | Queen's Gambit Declined | |
| Jun 20, 2026 | Beerdsen | ½–½ | Goes | HSG Open 2026 A | King's Indian Defense: Orthodox Variation, Bayonet Attack | |
| Jun 19, 2026 | Beerdsen | 1–0 | Iolis | HSG Open 2026 A | Sicilian Defense: Najdorf Variation | |
| Jun 19, 2026 | Wunnink | ½–½ | Beerdsen | HSG Open 2026 A | English Opening: Neo-Catalan | |
| May 25, 2026 | Ngo | 0–1 | Beerdsen | Round 7: Ngo, Quang Thai - Beerdsen, Thomas | Queen's Gambit Declined: Ragozin Defense | |
| May 25, 2026 | Beerdsen | ½–½ | Thorfinnsson | Round 6: Beerdsen, Thomas - Thorfinnsson, Bjorn | Bishop's Opening: Vienna Hybrid | |
| May 24, 2026 | Ramien | 0–1 | Beerdsen | Round 5: Ramien, David - Beerdsen, Thomas | Zukertort Opening | |
| May 24, 2026 | Beerdsen | ½–½ | Kurt | Round 4: Beerdsen, Thomas - Kurt, Sascha | Sicilian Defense: Najdorf Variation, Amsterdam Variation | |
| May 23, 2026 | Helmer | 0–1 | Beerdsen | Round 3: Helmer, Jan - Beerdsen, Thomas | Bogo-Indian Defense: Retreat Variation | |
| May 23, 2026 | Beerdsen | * | Van Lith | Round 2: Beerdsen, Thomas - Van Lith, Arjan | ? | |
| May 22, 2026 | Kshirsagar | ½–½ | Beerdsen | Round 1: Kshirsagar, Pranav - Beerdsen, Thomas | Queen's Gambit Accepted | |
| May 10, 2026 | Grooten | ½–½ | Beerdsen | Ronde 5: Grooten, Tommy - Beerdsen, Thomas | King's Indian Attack: Keres Variation | |
| May 9, 2026 | Beerdsen | 1–0 | Mostertman | Ronde 4: Beerdsen, Thomas - Mostertman, Milan | French Defense: Advance Variation, Milner-Barry Gambit, Hector Variation | |
| May 9, 2026 | Oscar Zecha | 0–1 | Thomas Beerdsen | Ronde 3: Oscar Zecha - Thomas Beerdsen | Caro-Kann Defense: Advance Variation | |
| May 9, 2026 | Thomas Beerdsen | 1–0 | Elysia Feng | Ronde 2: Thomas Beerdsen - Elysia Feng | Four Knights Game: Gunsberg Variation | |
| May 8, 2026 | Jarich Haitjema | ½–½ | Thomas Beerdsen | Round 1: Jarich Haitjema - Thomas Beerdsen | Ruy Lopez: Schliemann Defense, Exchange Variation | |
| May 6, 2026 | Beerdsen | 1–0 | Baselmans | Ronde 6: Beerdsen, Thomas - Baselmans, Luuk | French Defense: Classical Variation, Burn Variation, Morozevich Line | |
| May 2, 2026 | Vrolijk | ½–½ | Beerdsen | Round 7: Vrolijk, Liam - Beerdsen, Thomas | Four Knights Game: Spanish Variation, Nimzowitsch Variation | |
| May 2, 2026 | Zatonskih | 0–1 | Beerdsen | Round 6: Zatonskih, Anna - Beerdsen, Thomas | Queen's Gambit Declined: Chigorin Defense, Exchange Variation | |
| May 2, 2026 | Beerdsen | 1–0 | Schoorl | Round 5: Beerdsen, Thomas - Schoorl, Rob | Sicilian Defense: Accelerated Dragon, Modern Variation | |
| May 2, 2026 | Van Roon | 0–1 | Beerdsen | Round 4: Van Roon, Sjoerd - Beerdsen, Thomas | Sicilian Defense: Godiva Variation | |
| May 2, 2026 | Beerdsen | 1–0 | Wuijts | Round 3: Beerdsen, Thomas - Wuijts, Johan | Caro-Kann Defense: Maróczy Variation | |
| May 2, 2026 | Karssenberg | 0–1 | Beerdsen | Round 2: Karssenberg, Arnout - Beerdsen, Thomas | English Opening: King's English Variation, Two Knights Variation | |
| May 2, 2026 | Beerdsen | 1–0 | Steinhardt | Round 1: Beerdsen, Thomas - Steinhardt, Stefan | Sicilian Defense: Najdorf Variation | |
| May 1, 2026 | Beerdsen | ½–½ | Van Wely | Round 9: Beerdsen, Thomas - Van Wely, Loek | Sicilian Defense: Taimanov Variation | |
| May 1, 2026 | Beerdsen | 1–0 | Fridman | Round 8: Beerdsen, Thomas - Fridman, Daniel | Petrov's Defense: Nimzowitsch Attack | |
| Apr 11, 2026 | Dijkhuis | ½–½ | Beerdsen | Round 9: Dijkhuis, Tycho - Beerdsen, Thomas | Ruy Lopez: Berlin Defense, Rio Gambit Accepted | |
| Apr 6, 2026 | Beerdsen | ½–½ | Yildiz | Grenke Chess Festival 2026 Open | Sicilian Defense: Taimanov Variation | |
| Apr 6, 2026 | Farokhi | ½–½ | Beerdsen | Grenke Chess Festival 2026 Open | Queen's Gambit Declined: Three Knights Variation | |
| Apr 5, 2026 | Beerdsen | ½–½ | Jin | Grenke Chess Festival 2026 Open | Four Knights Game: Spanish Variation, Rubinstein Variation, Henneberger Variation | |
| Apr 5, 2026 | Yildiz | 0–1 | Beerdsen | Grenke Chess Festival 2026 Open | Indian Defense: Wade-Tartakower Defense | |
| Apr 4, 2026 | Beerdsen | ½–½ | Van Dael | Grenke Chess Festival 2026 Open | Sicilian Defense: Najdorf Variation, Amsterdam Variation | |
| Apr 4, 2026 | Garrigue | 0–1 | Beerdsen | Grenke Chess Festival 2026 Open | Caro-Kann Defense: Tartakower Variation | |
| Apr 3, 2026 | Beerdsen | ½–½ | Matyassy | Grenke Chess Festival 2026 Open | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | |
| Apr 3, 2026 | Mrozowski | 0–1 | Beerdsen | Grenke Chess Festival 2026 Open | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Apr 2, 2026 | Beerdsen | 1–0 | Munschi | Grenke Chess Festival 2026 Open | French Defense: Classical Variation | |
| Mar 28, 2026 | Van Rootselaar | ½–½ | Beerdsen | Round 6: Van Rootselaar, Rik - Beerdsen, Thomas | English Opening: Agincourt Defense | |
| Mar 5, 2026 | Zhu | ½–½ | Beerdsen | Prague Chess Festival 2026 | Challengers | Neo-Grünfeld Defense: Ultra-Delayed Exchange Variation | |
| Mar 4, 2026 | Beerdsen | 0–1 | Yuffa | Prague Chess Festival 2026 | Challengers | Sicilian Defense: Four Knights Variation | |
| Mar 3, 2026 | Divya Deshmukh | ½–½ | Beerdsen | Prague Chess Festival 2026 | Challengers | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Mar 1, 2026 | Beerdsen | ½–½ | Hrbek | Prague Chess Festival 2026 | Challengers | Four Knights Game: Spanish Variation, Nimzowitsch Variation | |
| Feb 28, 2026 | Nemec | ½–½ | Beerdsen | Prague Chess Festival 2026 | Challengers | Queen's Gambit Declined: Neo-Orthodox Variation, Main Line | |
| Feb 27, 2026 | Beerdsen | 0–1 | Bjerre | Prague Chess Festival 2026 | Challengers | Sicilian Defense: Najdorf Variation | |
| Feb 26, 2026 | Gledura | 0–1 | Beerdsen | Prague Chess Festival 2026 | Challengers | Grünfeld Defense: Three Knights Variation, Burille Variation | |
| Feb 25, 2026 | Ganguly | 0–1 | Beerdsen | Prague Chess Festival 2026 | Challengers | Ruy Lopez: Berlin Defense, Rio Gambit Accepted | |
| Feb 22, 2026 | Beerdsen | ½–½ | Golubka | Round 8: Beerdsen, Thomas - Golubka, Petro | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | |
| Feb 22, 2026 | Badacsonyi | 0–1 | Beerdsen | Round 9: Badacsonyi, Stanley - Beerdsen, Thomas | Pirc Defense | |
| Feb 21, 2026 | Allorant | 0–1 | Beerdsen | Round 1: Allorant, Adrien - Beerdsen, Thomas | Queen's Gambit Declined: Three Knights, Vienna Variation | |
| Feb 19, 2026 | Beerdsen | 0–1 | Finek | Prague Chess Festival 2026 | Challengers | Tarrasch Defense: Symmetrical Variation | |
| Feb 19, 2026 | Beerdsen | ½–½ | Chatalbashev | Round 6: Beerdsen, Thomas - Chatalbashev, Boris | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Feb 19, 2026 | Kaufman | 0–1 | Beerdsen | Round 5: Kaufman, Raymond - Beerdsen, Thomas | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Feb 18, 2026 | Beerdsen | 1–0 | Shearsby | Round 4: Beerdsen, Thomas - Shearsby, Jude | King's Indian Defense: Orthodox Variation | |
| Feb 17, 2026 | Golding | ½–½ | Beerdsen | Round 3: Golding, Alex - Beerdsen, Thomas | Zukertort Opening | |
| Feb 17, 2026 | Beerdsen | 1–0 | Rami | Round 2: Beerdsen, Thomas - Rami,Talab | French Defense: Classical Variation, Burn Variation | |
| Feb 7, 2026 | Beerdsen | 1–0 | Van Foreest | Round 7: Beerdsen, Thomas - Van Foreest, Machteld | Caro-Kann Defense: Maróczy Variation | |
| Feb 4, 2026 | Wadsworth | 1–0 | Beerdsen | Round 7: Wadsworth, Matthew J - Beerdsen, Thomas | Réti Opening: Anglo-Slav Variation, with g3 | |
| Dec 29, 2025 | Beerdsen | ½–½ | Jin | Round 9: Beerdsen, Thomas - Jin, Yueheng | Catalan Opening: Open Defense, Classical Line | |
| Dec 28, 2025 | Beerdsen | ½–½ | Manafov | Round 8: Beerdsen, Thomas - Manafov, Vugar | Sicilian Defense: French Variation, Normal | |
| Dec 28, 2025 | Lahaye | ½–½ | Beerdsen | Round 7: Lahaye, Rick - Beerdsen, Thomas | King's Indian Attack: Keres Variation | |
| Dec 26, 2025 | Beerdsen | ½–½ | Elmi | Round 6: Beerdsen, Thomas - Elmi, Saad Abobaker | Indian Defense | |
| Dec 26, 2025 | Beerdsen | 1–0 | Wemmers | Round 5: Beerdsen, Thomas - Wemmers, Xander | Sicilian Defense: Classical Variation, Anti-Sozin Variation | |
| Dec 24, 2025 | Shyaam Nikhil P | ½–½ | Beerdsen | Round 5: Shyaam Nikhil P - Beerdsen, Thomas | Four Knights Game: Spanish Variation, Rubinstein Variation Accepted | |
| Dec 24, 2025 | Beerdsen | 1–0 | Krishnan | Round 4: Beerdsen, Thomas - Krishnan, Ritvik | Sicilian Defense: Old Sicilian | |
| Dec 22, 2025 | Beerdsen | 1–0 | Albers | Round 2: Beerdsen, Thomas - Albers, Sasa | Caro-Kann Defense: Maróczy Variation | |
| Dec 21, 2025 | Schuricht | 0–1 | Beerdsen | Round 1: Schuricht, Emil Frederick - Beerdsen, Thomas | English Opening: Agincourt Defense | |
| Dec 12, 2025 | Beerdsen | 0–1 | Bosiocic | 2. Bundesliga in Mülheim | Four Knights Game: Spanish Variation | |
| Dec 6, 2025 | Parligras | ½–½ | Beerdsen | 2. Bundesliga in Mülheim | Ruy Lopez: Schliemann Defense | |
| Dec 2, 2025 | Ruzhansky | 1–0 | Beerdsen | Round 3: Ruzhansky, Elias - Beerdsen, Thomas | Sicilian Defense: Najdorf Variation | |
| Nov 29, 2025 | Beerdsen | 1–0 | Kistrup | Rond 2: Beerdsen, Thomas - Kistrup, Nicolai | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Nov 22, 2025 | Beerdsen | 1–0 | Hausrath | Round 4: Beerdsen, Thomas - Hausrath, Daniel | Caro-Kann Defense: Advance Variation, Short Variation | |
| Nov 7, 2025 | Beerdsen | 0–1 | Nikolic | KNSB competitie 2025/2026 | French Defense: Winawer Variation, Classical Variation | |
| Oct 25, 2025 | Beerdsen | ½–½ | Harikrishnan.A.Ra | Round 9: Beerdsen, Thomas - Harikrishnan.A.Ra | French Defense: Classical Variation, Burn Variation | |
| Oct 24, 2025 | Nigmatov | 1–0 | Beerdsen | Round 8: Nigmatov, Ortik - Beerdsen, Thomas | Sicilian Defense: Najdorf Variation | |
| Oct 23, 2025 | Beerdsen | ½–½ | Chanda | Round 7: Beerdsen, Thomas - Chanda, Sandipan | French Defense: Classical Variation, Burn Variation | |
| Oct 22, 2025 | Zwirs | ½–½ | Beerdsen | Round 6: Zwirs, Nico - Beerdsen, Thomas | Italian Game: Giuoco Pianissimo, Italian Four Knights Variation | |
| Oct 21, 2025 | Beerdsen | 1–0 | De Jong | Round 5: Beerdsen, Thomas - De Jong, Migchiel | Sicilian Defense: Kan Variation, Polugaevsky Variation | |
| Oct 21, 2025 | Abdisalimov | ½–½ | Beerdsen | Round 4: Abdisalimov, Abdimalik - Beerdsen, Thomas | Queen's Gambit Declined: Ragozin Defense, Alekhine Variation | |
| Oct 20, 2025 | Beerdsen | 1–0 | Miezis | Round 3: Beerdsen, Thomas - Miezis, Normunds | Sicilian Defense: French Variation | |
| Oct 19, 2025 | Kazarjan | 0–1 | Beerdsen | Round 2: Kazarjan, Gachatur - Beerdsen, Thomas | Sicilian Defense: Najdorf Variation, Opocensky Variation | |
| Oct 18, 2025 | Beerdsen | 1–0 | Boeren | Round 1: Beerdsen, Thomas - Boeren, Jurriaan | French Defense: Classical Variation, Burn Variation, Morozevich Line | |
| Oct 4, 2025 | Beerdsen | 1–0 | Van Hesselingen | Round 2: Beerdsen, Thomas - Van Hesselingen, Guido | Four Knights Game: Spanish Variation, Symmetrical Variation | |
| Sep 20, 2025 | Kunin | 0–1 | Beerdsen | Round 1: Kunin, Vitaly - Beerdsen, Thomas | Semi-Slav Defense | |
| Jul 30, 2025 | Baselmans | 0–1 | Beerdsen | Round 9: Baselmans, Luuk - Beerdsen, Thomas | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jul 29, 2025 | Beerdsen | 1–0 | Kurt | Round 8: Beerdsen, Thomas - Kurt, Sascha | Sicilian Defense: Najdorf Variation | |
| Jul 28, 2025 | De Boer | 1–0 | Beerdsen | Round 7: De Boer, Eelke - Beerdsen, Thomas | English Defense | |
| Jul 27, 2025 | Beerdsen | 1–0 | Madularea | Round 6: Beerdsen, Thomas - Madularea, David | Semi-Slav Defense | |
| Jul 26, 2025 | Beerdsen | ½–½ | Labruyere | Round 5: Beerdsen, Thomas - Labruyere, Roger | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jul 25, 2025 | Hausrath | ½–½ | Beerdsen | Round 4: Hausrath, Daniel - Beerdsen, Thomas | King's Indian Attack: Double Fianchetto | |
| Jul 24, 2025 | Schmitz | 0–1 | Beerdsen | Round 3: Schmitz, Philipp - Beerdsen, Thomas | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Jul 20, 2025 | Beerdsen | 1–0 | Papaux | Round 9: Beerdsen, Thomas - Papaux, Steve | Semi-Slav Defense | |
| Jul 19, 2025 | Rotunno | 0–1 | Beerdsen | Round 8: Rotunno, Flavio - Beerdsen, Thomas | Queen's Indian Defense: Kasparov-Petrosian Variation, Main Line | |
| Jul 18, 2025 | Beerdsen | ½–½ | Radeva | Round 7: Beerdsen, Thomas - Radeva, Viktoria | Rapport-Jobava System | |
| Jul 17, 2025 | Gemelli | ½–½ | Beerdsen | Round 6: Gemelli,Romain - Beerdsen, Thomas | Queen's Gambit Declined | |
| Jul 16, 2025 | Beerdsen | ½–½ | Albers | Round 2: Beerdsen, Thomas - Albers, Sasa | Bogo-Indian Defense: Grünfeld Variation | |
| Jul 16, 2025 | Zecha | 0–1 | Beerdsen | Round 1: Zecha, Oscar - Beerdsen, Thomas | Queen's Gambit Declined | |
| Jul 14, 2025 | Beerdsen | 1–0 | Mantovani | Round 3: Beerdsen, Thomas - Mantovani, Renzo | Alekhine Defense: Four Pawns Attack, Main Line | |
| Jul 13, 2025 | Bauer | 0–1 | Beerdsen | Round 2: Bauer, Pierre - Beerdsen, Thomas | Nimzo-Indian Defense: Kmoch Variation | |
| Jul 12, 2025 | Beerdsen | 1–0 | Brandis | Round 1: Beerdsen, Thomas - Brandis, Benjamin | Italian Game: Classical Variation, Giuoco Pianissimo | |