| May 29, 2026 | Ptaszynski | ½–½ | Grech | Druzynowe Mistrzostwa Polski Juniorow - I Liga 2026 | English Opening: Symmetrical Variation, Ultra-Symmetrical Variation | |
| May 28, 2026 | Grech | 0–1 | Rajlich | DMPJ - I Liga 2026 | Sicilian Defense: Najdorf Variation | |
| May 27, 2026 | Kraczek | ½–½ | Grech | DMPJ - I Liga 2026 | French Defense: Classical Variation | |
| May 26, 2026 | Grech | ½–½ | Iwan | Druzynowe Mistrzostwa Polski Juniorow - I Liga 2026 | Sicilian Defense: Najdorf Variation | |
| May 25, 2026 | Terkiewicz | 1–0 | Grech | Druzynowe Mistrzostwa Polski Juniorow - I Liga 2026 | Catalan Opening: Closed | |
| May 24, 2026 | Grech | 1–0 | Maj | Druzynowe Mistrzostwa Polski Juniorow - I Liga 2026 | Sicilian Defense: Najdorf Variation | |
| May 23, 2026 | Wandor | 0–1 | Grech | Druzynowe Mistrzostwa Polski Juniorow - I Liga 2026 | French Defense: Tarrasch Variation, Open System, Euwe-Keres Line | |
| May 22, 2026 | Macura | 1–0 | Grech | Druzynowe Mistrzostwa Polski Juniorow - I Liga 2026 | French Defense: Classical Variation, Shirov-Anand Variation | |
| May 21, 2026 | Grech | 0–1 | Diachek | Druzynowe Mistrzostwa Polski Juniorow - I Liga 2026 | Nimzo-Indian Defense: Kmoch Variation | |
| Feb 15, 2026 | Klincewicz | ½–½ | Grech | puchar2026 | Queen's Gambit Declined: Ragozin Defense | |
| Feb 14, 2026 | Grech | 1–0 | Bialowas | puchar2026 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Feb 14, 2026 | Owoc | ½–½ | Grech | puchar2026 | Zukertort Opening: Sicilian Invitation | |
| Feb 13, 2026 | Grech | 1–0 | Witczak | puchar2026 | Sicilian Defense: Hyperaccelerated Fianchetto | |
| Feb 12, 2026 | Pelczarski | 1–0 | Grech | puchar2026 | Indian Defense: Anti-Nimzo-Indian | |
| Feb 11, 2026 | Grech | ½–½ | Rzadkowska | puchar2026 | Scotch Game: Mieses Variation | |
| Feb 10, 2026 | Gibala | 1–0 | Grech | puchar2026 | Indian Defense: Normal Variation | |
| Feb 9, 2026 | Grech | 1–0 | Ewiak | puchar2026 | Queen's Gambit Accepted: Central Variation, Alekhine System | |
| Feb 8, 2026 | Zienkiewicz | 0–1 | Grech | puchar2026 | Sicilian Defense: Hyperaccelerated Dragon | |
| Oct 4, 2025 | Grech | 0–1 | Fiedorek | MP-rapid25 | King's Indian Defense: Sämisch Variation, Normal Defense | |
| Oct 4, 2025 | Suder | 1–0 | Grech | MP-rapid25 | Benoni Defense: Classical Variation, New York Variation | |
| Sep 14, 2025 | Grech | ½–½ | Sygulski | I Liga 1-5 | Nimzo-Indian Defense: Normal Variation, Botvinnik System | |
| Sep 13, 2025 | Laszewicz | 0–1 | Grech | I Liga 6-10 | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Sep 12, 2025 | Grech | 0–1 | Sliwicki | I Liga 1-5 | Sicilian Defense: Accelerated Dragon, Maróczy Bind, Gurgenidze Variation | |
| Sep 11, 2025 | Krawczyk | ½–½ | Grech | I Liga 6-10 | Trompowsky Attack | |
| Sep 10, 2025 | Grech | 0–1 | Sokolowski | I Liga 6-10 | Alekhine Defense: Four Pawns Attack, Main Line | |
| Sep 9, 2025 | Grech | ½–½ | Jankowiak | I Liga 6-10 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Sep 8, 2025 | Grech | 0–1 | Ciesla | I Liga 6-10 | Four Knights Game: Scotch Variation | |
| Sep 7, 2025 | Rusiniak | 0–1 | Grech | I Liga 6-10 | Benoni Defense: Modern Variation | |
| Sep 6, 2025 | Grech | ½–½ | Krol | I Liga 6-10 | Nimzo-Indian Defense: Sämisch Variation | |
| Jul 8, 2025 | Koszalka | 0–1 | Grech | XXI Batlic Pearl Ches Festival 2025 Group A | Sicilian Defense: Hyperaccelerated Fianchetto | |
| Jul 7, 2025 | Grech | 1–0 | Banasiak | XXI Batlic Pearl Ches Festival 2025 Group A | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jul 6, 2025 | Obrycki | ½–½ | Grech | XXI Batlic Pearl Ches Festival 2025 Group A | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Jul 5, 2025 | Grech | 0–1 | Jozwik | XXI Batlic Pearl Ches Festival 2025 Group A | French Defense: Advance Variation, Paulsen Attack | |
| Jul 4, 2025 | Standowicz | 1–0 | Grech | XXI Batlic Pearl Ches Festival 2025 Group A | French Defense: Classical Variation, Steinitz Variation | |
| Jul 3, 2025 | Grech | 1–0 | Madejski | XXI Batlic Pearl Ches Festival 2025 Group A | Slav Defense: Exchange Variation | |
| Jul 1, 2025 | Grech | 0–1 | Koralczyk | XXI Batlic Pearl Ches Festival 2025 Group A | Dutch Defense: Staunton Gambit | |
| Jun 30, 2025 | Wolak | 0–1 | Grech | XXI Baltic Pearl Chess Festival Group A 22-27 | French Defense: Tarrasch Variation, Chistyakov Defense | |
| Jun 22, 2025 | Dylong | 1–0 | Grech | DMPJ 1 liga 2025 | English Opening: Symmetrical Variation, Duchamp Variation | |
| Jun 21, 2025 | Grech | 0–1 | Kusiak | DMPJ 1 liga 2025 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jun 20, 2025 | Grech | 1–0 | Mazurek | DMPJ 1 liga 2025 | Nimzo-Indian Defense: Normal Variation, Botvinnik System | |
| Jun 19, 2025 | Seemann | 0–1 | Grech | DMPJ 1 liga 2025 | French Defense: Classical Variation, Burn Variation | |
| Jun 18, 2025 | Grech | ½–½ | Terkiewicz | DMPJ 1 liga 2025 | Nimzo-Indian Defense: Normal Variation, Classical Defense | |
| Jun 17, 2025 | Kania | 1–0 | Grech | DMPJ 1 liga 2025 | French Defense: McCutcheon Variation, Janowski Variation | |
| Jun 16, 2025 | Grech | ½–½ | Przybylski | DMPJ 1 liga 2025 | Tarrasch Defense: Classical Variation | |
| Jun 15, 2025 | Kubik | ½–½ | Grech | DMPJ 1 liga 2025 | French Defense: Advance Variation, Paulsen Attack | |
| Jun 14, 2025 | Grech | 1–0 | Skrzypinski | DMPJ 1 liga 2025 | King's Indian Defense: Sämisch Variation, Panno Formation | |
| Aug 14, 2024 | Misiek | ½–½ | Grech | Festiwal Adolfa Anderssena 2024 B | Benoni Defense: Classical Variation | |
| Aug 13, 2024 | Grech | 0–1 | Bes | Festiwal Adolfa Anderssena 2024 B | Slav Defense: Exchange Variation | |
| Aug 12, 2024 | Grech | ½–½ | Wilgosz | Festiwal Adolfa Anderssena 2024 B | Nimzo-Indian Defense: Sämisch Variation | |
| Aug 12, 2024 | Czaja | 1–0 | Grech | Festiwal Adolfa Anderssena 2024 B | Sicilian Defense: Hyperaccelerated Fianchetto | |
| Aug 11, 2024 | Grech | 1–0 | Protas | Festiwal Adolfa Anderssena 2024 B | Benko Gambit | |
| Aug 10, 2024 | Reiche | ½–½ | Grech | Festiwal Adolfa Anderssena 2024 B | Sicilian Defense: Alapin Variation | |
| Aug 9, 2024 | Grech | 1–0 | Kowalczuk | Festiwal Adolfa Anderssena 2024 B | Nimzo-Indian Defense: Kmoch Variation | |
| Aug 9, 2024 | Spytek | ½–½ | Grech | Festiwal Adolfa Anderssena 2024 B | Benoni Defense: Classical Variation | |
| Aug 8, 2024 | Grech | 1–0 | De la Vega Alvarez | Festiwal Adolfa Anderssena 2024 B | Queen's Gambit Declined: Janowski Variation | |
| Aug 2, 2024 | Skrzypinski | 1–0 | Grech | Mistrzostwa Polski Juniorów - C16 RAPID | Rapport-Jobava System | |
| Aug 2, 2024 | Terkiewicz | 1–0 | Grech | Mistrzostwa Polski Juniorów - C16 RAPID | King's Indian Defense: Normal Variation | |
| — | Grech | 0–1 | Kowalski | anderssen2025 | King's Indian Defense: Sämisch Variation, Normal Defense | |
| — | Grech | 1–0 | Huchla | Memorial Adolfa Anderssena 2025 | Caro-Kann Defense: Advance Variation, Tal Variation | |
| — | Grech | 1–0 | Khyzhniak | Memorial Adolfa Anderssena 2025 | Queen's Gambit Declined: Janowski Variation | |
| — | Grech | 1–0 | Druzd | Memorial Adolfa Anderssena 2025 | Queen's Gambit Declined: Janowski Variation | |
| — | Grech | 1–0 | Werblinski | wroclaw OPEN A | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| — | Grech | ½–½ | Wieckowski | wroclaw OPEN A | King's Indian Defense: Orthodox Variation | |
| — | Grech | 0–1 | Terkiewicz | wroclaw OPEN A | Vienna Game | |
| — | Grech | 0–1 | Chylewski | wroclaw OPEN A | Queen's Gambit Declined: Queen's Knight Variation | |
| — | Grech | ½–½ | Jablonski | wroclaw OPEN A | Sicilian Defense: Alapin Variation | |
| — | Grech | 1–0 | Trzebinski | C18 | Nimzo-Indian Defense: Sämisch Variation | |
| — | Grech | ½–½ | Sowinski | C18b | Caro-Kann Defense: Advance Variation, Tal Variation | |
| — | Pesin | 0–1 | Grech | Memorial Adolfa Anderssena 2025 | Indian Defense | |
| — | Solecki | 0–1 | Grech | Memorial Adolfa Anderssena 2025 | French Defense | |
| — | Golenia | 1–0 | Grech | anderssen2025 | English Opening: Symmetrical Variation, Mecking Variation | |
| — | Lechowski | 1–0 | Grech | anderssen2025 | Benoni Defense | |
| — | Gbiorczyk | ½–½ | Grech | anderssen2025 | French Defense: Classical Variation, Steinitz Variation | |
| — | Jankowiak | 1–0 | Grech | wroclaw OPEN A | French Defense: Classical Variation, Burn Variation | |
| — | Klys | ½–½ | Grech | wroclaw OPEN A | French Defense: Advance Variation, Paulsen Attack | |
| — | Iwanczuk | ½–½ | Grech | wroclaw OPEN A | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| — | Steger | ½–½ | Grech | wroclaw OPEN A | Sicilian Defense: Hyperaccelerated Dragon | |
| — | Zieba | 1–0 | Grech | C18 | Indian Defense: King's Indian Variation, Fianchetto Variation | |