| — | Grutter | ½–½ | Nurgali | new tournament description | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| — | Stoettner | * | Grutter | Grenke Open | ? | |
| May 2, 2026 | Grutter | ½–½ | Baselmans | Round 9: Grutter, Tim - Baselmans, Luuk | King's Indian Attack, with e6 | |
| May 2, 2026 | Pathak | 0–1 | Grutter | Round 8: Pathak, Raghav - Grutter, Tim | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| May 2, 2026 | Grutter | 1–0 | Thijssen | Round 7: Grutter, Tim - Thijssen, Freek | Zukertort Opening | |
| May 2, 2026 | Grutter | 1–0 | Kazi | Round 6: Grutter, Tim - Kazi, Zidan | King's Indian Attack, with e6 | |
| May 2, 2026 | Meulmeester | 1–0 | Grutter | Round 5: Meulmeester, Luuk - Grutter, Tim | Sicilian Defense: French Variation | |
| May 2, 2026 | Grutter | ½–½ | Margarido | Round 4: Grutter, Tim - Margarido, Jose Miguel Teixeira | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| May 2, 2026 | Surkol | 0–1 | Grutter | Round 3: Surkol, Hector - Grutter, Tim | Nimzowitsch Defense: Scandinavian Variation, Advance Variation | |
| May 2, 2026 | Grutter | 1–0 | Vogels | Round 2: Grutter, Tim - Vogels, Mathijs | Sicilian Defense: French Variation | |
| May 2, 2026 | Mathijssen | 0–1 | Grutter | Round 1: Mathijssen, Jasper - Grutter, Tim | Nimzowitsch Defense: Scandinavian Variation, Exchange Variation | |
| Apr 11, 2026 | Grutter | 1–0 | Pauly | Round 9: Grutter, Tim - Pauly, Carlo | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Mar 7, 2026 | Grutter | ½–½ | Ritzerveld | Round 8: Grutter, Tim - Ritzerveld, Noah | Ruy Lopez: Morphy Defense, Mackenzie Variation | |
| Feb 7, 2026 | Van der Stricht | ½–½ | Grutter | Round 7: Van der Stricht, Geert - Grutter, Tim | King's Indian Defense: Orthodox Variation | |
| Feb 1, 2026 | Gloeckler | 1–0 | Grutter | Tata Steel Chess Qualifiers | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Jan 30, 2026 | Hrbek | 1–0 | Grutter | Tata Steel Chess Qualifiers | Ruy Lopez: Closed, Martinez Variation | |
| Jan 27, 2026 | Grutter | 0–1 | Lohia | Tata Steel Chess Qualifiers | Sicilian Defense: Hyperaccelerated Dragon | |
| Jan 27, 2026 | Carow | 0–1 | Grutter | Tata Steel Chess Qualifiers | English Opening: Symmetrical Variation, Rubinstein Variation | |
| Jan 25, 2026 | Tudor | 1–0 | Grutter | Tata Steel Chess Qualifiers | Nimzo-Indian Defense: Normal Variation, Gligoric System, Exchange Variation | |
| Jan 24, 2026 | Grutter | 1–0 | Baselmans | Tata Steel Chess Qualifiers | Caro-Kann Defense: Endgame Variation | |
| Jan 15, 2026 | Grutter | ½–½ | Van Foreest | Tata Steel Chess Qualifiers | Caro-Kann Defense: Two Knights Attack | |
| Jan 15, 2026 | Grutter | 1–0 | Beukema | Tata Steel Chess Qualifiers | Ruy Lopez: Morphy Defense, Steinitz Deferred | |
| Jan 15, 2026 | Grutter | * | Elgersma | Tata Steel Chess Qualifiers | ? | |
| Jan 2, 2026 | Sulskis | ½–½ | Grutter | Round 9: Sulskis, Sarunas - Grutter, Tim | Scotch Game: Scotch Gambit, Advance Variation | |
| Jan 1, 2026 | Grutter | ½–½ | Adams | Round 8: Grutter, Tim - Adams, Henry | Ruy Lopez: Morphy Defense, Mackenzie Variation | |
| Jan 1, 2026 | Liu | 0–1 | Grutter | Round 7: Liu,Yiyi - Grutter, Tim | Rat Defense: English Rat | |
| Dec 31, 2025 | Grutter | 0–1 | Golding | Round 6: Grutter, Tim - Golding, Alex | Ruy Lopez: Closed, Delayed Exchange | |
| Dec 30, 2025 | Martin | ½–½ | Grutter | Round 5: Martin, Nils - Grutter, Tim | Italian Game: Giuoco Pianissimo, Normal | |
| Dec 30, 2025 | Kovchan | ½–½ | Grutter | Round 4: Kovchan, Alexander - Grutter, Tim | Ruy Lopez: Morphy Defense, Steinitz Deferred | |
| Dec 29, 2025 | Grutter | 1–0 | Lau | Round 3: Grutter, Tim - Lau, Lut Yin Luke | Ruy Lopez: Morphy Defense | |
| Dec 29, 2025 | Grutter | 1–0 | Kapechun | Round 2: Grutter, Tim - Kapechun, Mikhailo | Sicilian Defense: Godiva Variation | |
| Dec 28, 2025 | Verbin | ½–½ | Grutter | Round 1: Verbin, Valentina - Grutter, Tim | Ruy Lopez: Morphy Defense, Steinitz Deferred | |
| Dec 26, 2025 | Keuning | 0–1 | Grutter | Round 5: Keuning, Selwin - Grutter, Tim | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Dec 7, 2025 | Jumabayev | 1–0 | Grutter | Round 10: Jumabayev, Rinat - Grutter, Tim | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Dec 7, 2025 | Shetty | ½–½ | Grutter | Round 9: Shetty, Atulya - Grutter, Tim | English Opening: Anglo-Indian Defense | |
| Dec 7, 2025 | Grutter | 1–0 | McShane | Round 8: Grutter, Tim - McShane, Luke J | Ruy Lopez: Morphy Defense, Steinitz Deferred | |
| Dec 7, 2025 | Grutter | 1–0 | Kovalskyi | Round 7: Grutter, Tim - Kovalskyi, Roman | King's Indian Attack: Sicilian Variation | |
| Dec 7, 2025 | White | 0–1 | Grutter | Round 6: White, Stuart A - Grutter, Tim | King's Indian Defense: Makogonov Variation | |
| Dec 6, 2025 | Grutter | 1–0 | Dishman | Round 5: Grutter, Tim - Dishman, Matthew | Vienna Game: Mengarini Variation | |
| Dec 6, 2025 | Murawski | 1–0 | Grutter | Round 4: Murawski, Jan - Grutter, Tim | Benoni Defense: King's Pawn Line | |
| Dec 6, 2025 | Grutter | 0–1 | Abdusattorov | Round 3: Grutter, Tim - Abdusattorov, Nodirbek | Ruy Lopez: Morphy Defense, Steinitz Deferred | |
| Dec 6, 2025 | Patel | 0–1 | Grutter | Round 2: Patel, Zain - Grutter, Tim | Zukertort Opening: Kingside Fianchetto | |
| Dec 6, 2025 | Grutter | 1–0 | Mortazavi | Round 1: Grutter, Tim - Mortazavi, Sami | King's Indian Attack | |
| Nov 22, 2025 | Grutter | 1–0 | Boelhouwer | Round 4: Grutter, Tim - Boelhouwer, Collin | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Nov 22, 2025 | Grutter | 1–0 | Van Rootselaar | Round 4: Grutter, Tim - Van Rootselaar, Rik | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Nov 7, 2025 | Grutter | ½–½ | Ondersteijn | KNSB competitie 2025/2026 | Pirc Defense | |
| Oct 26, 2025 | Grutter | 1–0 | Dovgaliuk | Amsterdam Chess Open 2025 | Sicilian Defense: Modern Variations | |
| Oct 26, 2025 | Walek | ½–½ | Grutter | Amsterdam Chess Open 2025 | Ruy Lopez: Morphy Defense, Steinitz Deferred | |
| Oct 25, 2025 | Grutter | ½–½ | Abdulla | Amsterdam Chess Open 2025 | Sicilian Defense: Moscow Variation, Sokolsky Variation | |
| Oct 25, 2025 | Vroombout | 0–1 | Grutter | Amsterdam Chess Open 2025 | Ruy Lopez: Morphy Defense, Steinitz Deferred | |
| Oct 24, 2025 | Grutter | 1–0 | Sabirov | Amsterdam Chess Open 2025 | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Oct 24, 2025 | Van der Werf | 0–1 | Grutter | Amsterdam Chess Open 2025 | Ruy Lopez: Morphy Defense, Steinitz Deferred | |
| Oct 4, 2025 | Lammens | ½–½ | Grutter | Round 2: Lammens, Tim - Grutter, Tim | King's Indian Defense: Fianchetto Variation, Carlsbad Variation | |
| Sep 20, 2025 | Grutter | ½–½ | De Jong | Round 1: Grutter, Tim - De Jong, Jan-Willem | Ruy Lopez: Exchange Variation, King's Bishop Variation | |
| Jul 19, 2025 | Dgebuadze | ½–½ | Grutter | Round 2: Dgebuadze, Alexandre - Grutter, Tim | Four Knights Game: Gunsberg Variation | |
| Jul 19, 2025 | Grutter | 1–0 | Victor | Round 1: Grutter, Tim - Victor, Julian | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Jul 18, 2025 | Grutter | ½–½ | Ruzhansky | Round 8: Grutter, Tim - Ruzhansky, Elias | Sicilian Defense: Richter-Rauzer Variation, Modern Variation | |
| Jul 18, 2025 | Van Osch | 1–0 | Grutter | Round 5: Van Osch, Mees - Grutter, Tim | Four Knights Game: Spanish Variation | |
| Jul 18, 2025 | Van Volsem | 0–1 | Grutter | Round 7: Van Volsem, Merlijn - Grutter, Tim | King's Indian Defense: Fianchetto Variation, Uhlmann-Szabo System | |
| Jul 18, 2025 | Grutter | 0–1 | Gormally | Round 6: Grutter, Tim - Gormally, Daniel W | Sicilian Defense: Moscow Variation | |
| Jul 18, 2025 | Grutter | ½–½ | Dauw | Round 4: Grutter, Tim - Dauw, Sterre | Sicilian Defense: Modern Variations | |
| Jul 18, 2025 | Fernandez | ½–½ | Grutter | Round 9: Fernandez, Daniel Howard - Grutter, Tim | King's Indian Attack: Symmetrical Defense | |
| Jul 7, 2025 | Grutter | ½–½ | Pijpers | Round 3: Grutter, Tim - Pijpers, Arthur | Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line | |
| Jun 8, 2025 | Beukema | ½–½ | Grutter | Round 8: Beukema, Stefan - Grutter, Tim | English Opening: King's English Variation | |
| Jun 8, 2025 | Grutter | 0–1 | Schoppen | Round 7: Grutter, Tim - Schoppen, Casper | Sicilian Defense: Moscow Variation | |
| Jun 7, 2025 | De Winter | ½–½ | Grutter | Round 6: De Winter, Arthur - Grutter, Tim | Indian Defense: Anti-Nimzo-Indian | |
| Jun 7, 2025 | Grutter | ½–½ | De Boer | Round 5: Grutter, Tim - De Boer, Eelke | Ruy Lopez: Berlin Defense, Rio Gambit Accepted | |
| Jun 6, 2025 | Vrolijk | 1–0 | Grutter | Round 4: Vrolijk, Liam - Grutter, Tim | Hungarian Opening: Symmetrical Variation | |
| Jun 5, 2025 | Grutter | ½–½ | Fier | Round 3: Grutter, Tim - Fier, Alexandr | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Jun 5, 2025 | Van Meegen | ½–½ | Grutter | Round 2: Van Meegen, Ruud - Grutter, Tim | King's Indian Defense: Petrosian Variation, Stein Defense | |
| Jun 4, 2025 | Grutter | 1–0 | Zelbel | Round 1: Grutter, Tim - Zelbel, Patrick | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jun 4, 2025 | Grutter | ½–½ | Braun | Round 9: Grutter, Tim - Braun, Christian | French Defense: Tarrasch Variation, Guimard Defense, Main Line | |
| May 13, 2025 | Grutter | 0–1 | Zwirs | Round 9: Grutter, Tim - Zwirs, Nico | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Apr 21, 2025 | Schneider | 1–0 | Grutter | Round 8: Schneider, Jana - Grutter, Tim | Ruy Lopez: Morphy Defense, Steinitz Deferred | |
| Apr 20, 2025 | Grutter | ½–½ | Kristensen | Round 7: Grutter, Tim - Kristensen, Kaare Hove | Sicilian Defense: Nimzowitsch Variation, Closed Variation | |
| Apr 20, 2025 | Malek | ½–½ | Grutter | Round 6: Malek, Daniel - Grutter, Tim | King's Indian Defense: Orthodox Variation, Glek Defense | |
| Apr 19, 2025 | Grutter | 0–1 | Hartge | Round 5: Grutter, Tim - Hartge, Gedeon | Caro-Kann Defense: Two Knights Attack | |
| Apr 18, 2025 | Grutter | 1–0 | Goluch | Round 3: Grutter, Tim - Goluch, Piotr | Caro-Kann Defense: Two Knights Attack | |
| Apr 18, 2025 | Lippert | 0–1 | Grutter | Round 2: Lippert, Daniel - Grutter, Tim | Ruy Lopez: Morphy Defense, Steinitz Deferred | |
| Apr 18, 2025 | Saric | ½–½ | Grutter | Round 4: Saric, Ivan - Grutter, Tim | King's Indian Attack: Symmetrical Defense | |
| Apr 17, 2025 | Grutter | 1–0 | Feil | Round 1: Grutter, Tim - Feil, Stephan, Dr. | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Apr 5, 2025 | Krylov | ½–½ | Grutter | KNSB Meesterklasse 2024-2025 | King's Indian Defense: Steiner Attack | |
| Mar 15, 2025 | Grutter | 0–1 | Schilstra | Round 2: Grutter, Tim - Schilstra, Laurens | King's Indian Attack | |
| Mar 15, 2025 | Grutter | 0–1 | Labruyere | Round 4: Grutter, Tim - Labruyere, Roger | King's Indian Attack | |
| Mar 15, 2025 | Grutter | 1–0 | Both | Round 6: Grutter, Tim - Both, Erik | Sicilian Defense: Dragon Variation, Yugoslav Attack, Early Deviations | |
| Mar 15, 2025 | Stam | 0–1 | Grutter | Round 1: Stam, Hans - Grutter, Tim | Tarrasch Defense: Symmetrical Variation | |
| Mar 15, 2025 | Van der Geld | * | Grutter | Round 3: Van der Geld, Jona - Grutter, Tim | ? | |
| Mar 15, 2025 | Janse | * | Grutter | Round 5: Janse, Jan Jaap - Grutter, Tim | ? | |
| Mar 15, 2025 | Sari | 0–1 | Grutter | Round 7: Sari, Yasin - Grutter, Tim | King's Indian Defense: Orthodox Variation, Glek Defense | |
| Mar 8, 2025 | Grutter | 1–0 | Hausrath | Round 7: Grutter, Tim - Hausrath, Daniel | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Feb 2, 2025 | Grutter | ½–½ | Zwirs | Tata Steel Chess Qualifiers | Sicilian Defense: Modern Variations | |
| Feb 1, 2025 | Panesar Vedant | 1–0 | Grutter | Tata Steel Chess Qualifiers | King's Indian Defense: Semi-Averbakh System | |
| Jan 31, 2025 | Grutter | 1–0 | Beukema | Tata Steel Chess Qualifiers | Ruy Lopez: Morphy Defense, Steinitz Deferred | |
| Jan 29, 2025 | Lohia | 0–1 | Grutter | Tata Steel Chess Qualifiers | Ruy Lopez: Morphy Defense, Steinitz Deferred | |
| Jan 28, 2025 | Grutter | ½–½ | Holzke | Tata Steel Chess Qualifiers | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Jan 27, 2025 | Slagboom | 1–0 | Grutter | Tata Steel Chess Qualifiers | Italian Game: Two Knights Defense, Polerio Defense, Bishop Check Line | |
| Jan 26, 2025 | Tudor | 0–1 | Grutter | Tata Steel Chess Qualifiers | Rapport-Jobava System | |
| Jan 25, 2025 | Grutter | ½–½ | Smeets | Tata Steel Chess Qualifiers | King's Indian Attack: Pachman System | |
| Jan 24, 2025 | Sofronie | 0–1 | Grutter | Tata Steel Chess Qualifiers | Rapport-Jobava System | |
| Jan 3, 2025 | Grutter | ½–½ | Bazakutsa | 98th Caplin Hastings Masters 2024 | Caro-Kann Defense: Two Knights Attack | |