| Jun 30, 2026 | Kucewicz | 1–0 | Klim | Najdorf Memorial | Nimzo-Indian Defense: Normal Variation, Botvinnik System | |
| Jun 29, 2026 | Mich | 0–1 | Kucewicz | Najdorf Memorial | King's Indian Attack: Yugoslav Variation | |
| Jun 28, 2026 | Kucewicz | ½–½ | Thompson | Najdorf Memorial | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jun 27, 2026 | Khamidov | 1–0 | Kucewicz | Najdorf Memorial | Semi-Slav Defense: Main Line | |
| May 29, 2026 | Rekets | 0–1 | Kucewicz | DMPJ - Ekstraliga 2026 | Benoni Defense: King's Pawn Line | |
| May 28, 2026 | Kucewicz | 1–0 | Rzadkowska | DMPJ - Ekstraliga 2026 | Dutch Defense: Hopton Attack | |
| May 27, 2026 | Kucewicz | 0–1 | Radzimski | DMPJ - Ekstraliga 2026 | Indian Defense: Tartakower Attack | |
| May 26, 2026 | Kucewicz | 1–0 | Ciupek | DMPJ - Ekstraliga 2026 | King's Indian Defense: Normal Variation, Standard Development | |
| May 25, 2026 | Zajadlak | ½–½ | Kucewicz | DMPJ - Ekstraliga 2026 | Caro-Kann Defense: Advance Variation, Tal Variation | |
| May 24, 2026 | Kucewicz | 1–0 | Wilczek | DMPJ - Ekstraliga 2026 | King's Indian Defense: Makogonov Variation | |
| May 23, 2026 | Chiszko | 1–0 | Kucewicz | DMPJ - Ekstraliga 2026 | Réti Opening: Advance Variation, Michel Gambit | |
| May 22, 2026 | Kucewicz | ½–½ | Nakonechnyi | DMPJ - Ekstraliga 2026 | Slav Defense | |
| May 21, 2026 | Koch | 0–1 | Kucewicz | DMPJ - Ekstraliga 2026 | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Jun 24, 2025 | Kucewicz | 0–1 | Pawleta | II DMP Juniorow | Semi-Slav Defense: Chigorin Defense | |
| Jun 23, 2025 | Roszczyk | ½–½ | Kucewicz | II DMP Juniorow | Bogo-Indian Defense: Exchange Variation | |
| Jun 22, 2025 | Puk | 0–1 | Kucewicz | II DMP Juniorow | Caro-Kann Defense: Tartakower Variation | |
| Jun 21, 2025 | Kucewicz | ½–½ | Zawisza | II DMP Juniorow | King's Indian Defense: Orthodox Variation | |
| Jun 20, 2025 | Ozminski | 0–1 | Kucewicz | II DMP Juniorow | Nimzo-Indian Defense: Reshevsky Variation | |
| Jun 19, 2025 | Kucewicz | 0–1 | Kolasinski | II DMP Juniorow | Benko Gambit Accepted: Fianchetto Variation | |
| Jun 18, 2025 | Stepien | ½–½ | Kucewicz | II DMP Juniorow | Caro-Kann Defense: Exchange Variation, Rubinstein Variation | |
| Aug 10, 2024 | Popczynska | 1–0 | Kucewicz | Festiwal Adolfa Anderssena 2024 B | King's Pawn Game | |
| Aug 9, 2024 | Kucewicz | 0–1 | Martinez Hernandez | Festiwal Adolfa Anderssena 2024 B | Caro-Kann Defense: Classical Variation, Spassky Variation | |
| Aug 9, 2024 | Bartoszewicz | 1–0 | Kucewicz | Festiwal Adolfa Anderssena 2024 B | Sicilian Defense: Taimanov Variation, Szén Variation | |
| Aug 8, 2024 | Kucewicz | ½–½ | Zelak | Festiwal Adolfa Anderssena 2024 B | Italian Game: Giuoco Pianissimo, Normal | |
| Aug 2, 2024 | Kucewicz | ½–½ | Sniedziewski | Rapid C12 | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| — | Kucewicz | 0–1 | Kilarski | Mistrzostwa Polski Juniorów w szachach szybkich c12 | Queen's Gambit Declined: Cambridge Springs Defense | |
| — | Kucewicz | 1–0 | Banasiak | Mistrzostwa Polski Juniorów w szachach b?yskawicznych C12 | King's Indian Attack | |
| — | Kucewicz | 1–0 | Janeczek | Mistrzostwa Polski Juniorów w szachach b?yskawicznych C12 | English Opening: Symmetrical Variation | |
| — | Kucewicz | 0–1 | Olejko | Rubinstein Chess Festival 2025 - OPEN B | Queen's Pawn Game: Symmetrical Variation | |
| — | Kucewicz | 1–0 | Palacz | Rubinstein Chess Festival 2025 - OPEN B | Dutch Defense: Queen's Knight Variation | |
| — | Kucewicz | 1–0 | Szuber | Rubinstein Chess Festival 2025 - OPEN B | Semi-Slav Defense: Chigorin Defense | |
| — | Kucewicz | ½–½ | Klisowski | Rubinstein Chess Festival 2025 - OPEN B | King's Indian Defense: Normal Variation, King's Knight Variation | |
| — | Sniedziewski | ½–½ | Kucewicz | Mistrzostwa Polski Juniorów w szachach szybkich c12 | Caro-Kann Defense: Panov Attack | |
| — | Kopacki | ½–½ | Kucewicz | Mistrzostwa Polski Juniorów w szachach szybkich c12 | Caro-Kann Defense: Tartakower Variation | |
| — | Serafin | 1–0 | Kucewicz | Mistrzostwa Polski Juniorów w szachach szybkich c12 | English Opening: Symmetrical Variation, Mecking Variation | |
| — | Machaj | 1–0 | Kucewicz | Mistrzostwa Polski Juniorów w szachach szybkich c12 | Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | |
| — | Bury | 1–0 | Kucewicz | Mistrzostwa Polski Juniorów w szachach b?yskawicznych C12 | Caro-Kann Defense: Two Knights Attack, Mindeno Variation | |
| — | Mrozowski | 1–0 | Kucewicz | Mistrzostwa Polski Juniorów w szachach b?yskawicznych C12 | Caro-Kann Defense: Tartakower Variation | |
| — | Czeremcha | 1–0 | Kucewicz | Rubinstein Chess Festival 2025 - OPEN B | Catalan Opening: Closed Variation, Traditional Variation | |
| — | Karleszko-Jedynak | 0–1 | Kucewicz | Rubinstein Chess Festival 2025 - OPEN B | Queen's Indian Defense: Capablanca Variation | |
| — | Kapica | 1–0 | Kucewicz | Rubinstein Chess Festival 2025 - OPEN B | Caro-Kann Defense: Exchange Variation, Rubinstein Variation | |
| — | Adamowicz | 1–0 | Kucewicz | Rubinstein Chess Festival 2025 - OPEN B | Polish Opening | |
| — | Balis | ½–½ | Kucewicz | Rubinstein Chess Festival 2025 - OPEN B | Sicilian Defense: O'Kelly Variation, Venice System, Barcza Line | |