| Jul 6, 2026 | KOWALCZUK | 0–1 | Mielczarski | XXII MFS PERŁA BAŁTYKU - GRUPA C | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jul 5, 2026 | Mielczarski | 1–0 | Gasik | XXII MFS PERŁA BAŁTYKU - GRUPA C | Zukertort Opening: Dutch Variation | |
| Jul 4, 2026 | Mielczarski | 1–0 | Wolak | XXII MFS PERŁA BAŁTYKU - GRUPA C | Zukertort Opening | |
| Jul 3, 2026 | Bugajski | 1–0 | Mielczarski | XXII MFS PERŁA BAŁTYKU - GRUPA C | Semi-Slav Defense: Moscow Variation | |
| Jul 2, 2026 | Mielczarski | ½–½ | Slawinski | XXII MFS PERŁA BAŁTYKU - GRUPA C | Queen's Indian Defense: Kasparov-Petrosian Variation, Main Line | |
| Jul 1, 2026 | Gromczak | 0–1 | Mielczarski | XXII MFS PERŁA BAŁTYKU - GRUPA C | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jun 30, 2026 | Kobus | 0–1 | Mielczarski | XXII MFS PERŁA BAŁTYKU - GRUPA C | ? | |
| Jun 29, 2026 | Mielczarski | ½–½ | Cyra | XXII MFS PERŁA BAŁTYKU - GRUPA C | English Opening: King's English Variation, Reversed Closed Sicilian | |
| Jun 28, 2026 | Kuzian | 0–1 | Mielczarski | XXII MFS PERŁA BAŁTYKU - GRUPA C | Sicilian Defense: McDonnell Attack | |
| Dec 30, 2025 | Daniel | 1–0 | Mielczarski | Runda 9: Daniel, Damian - Mielczarski, Miroslaw | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Dec 30, 2025 | Mielczarski | 1–0 | Fukowski | Runda 8: Mielczarski, Miroslaw - Fukowski, Pawel | English Opening: Anglo-Indian Defense, Queen's Indian Formation | |
| Dec 30, 2025 | Kicinski | 0–1 | Mielczarski | Runda 7: Kicinski, Jacek - Mielczarski, Miroslaw | Torre Attack: Classical Defense | |
| Dec 29, 2025 | Mielczarski | ½–½ | Businski | Runda 6: Mielczarski, Miroslaw - Businski, Jan | English Opening: King's English Variation, Closed System, Full Symmetry | |
| Dec 29, 2025 | Krajdocha | ½–½ | Mielczarski | Runda 5: Krajdocha, Konrad - Mielczarski, Miroslaw | Queen's Pawn Game: Chigorin Variation | |
| Dec 28, 2025 | Mielczarski | ½–½ | Reshetniak | Runda 4: Mielczarski, Miroslaw - Reshetniak, Vitaliy | English Opening: King's English Variation | |
| Dec 27, 2025 | Kaminska | 0–1 | Mielczarski | Runda 3: Kaminska, Zuzanna - Mielczarski, Miroslaw | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Dec 27, 2025 | Mielczarski | 1–0 | Lenkov | Runda 2: Mielczarski, Miroslaw - Lenkov, Stanislav | English Opening: King's English Variation, Kramnik-Shirov Counterattack | |
| Dec 27, 2025 | Kultucki | ½–½ | Mielczarski | Runda 1: Kultucki, Kamil - Mielczarski, Miroslaw | Benoni Defense: Old Benoni | |
| Jul 8, 2025 | Szczesniak | 0–1 | Mielczarski | XXI Baltic Pearl Chess Festival Group C | Queen's Pawn Game: Accelerated London System, Steinitz Countergambit | |
| Jul 7, 2025 | Mielczarski | 1–0 | Sciborowski | XXI Baltic Pearl Chess Festival Group C | English Opening: Anglo-Indian Defense, Queen's Knight Variation | |
| Jul 6, 2025 | Mielczarski | 1–0 | Aleksandrowicz | XXI Baltic Pearl Chess Festival Group C | Semi-Slav Defense: Normal Variation | |
| Jul 5, 2025 | Krainski | 1–0 | Mielczarski | XXI Baltic Pearl Chess Festival Group C | Slav Defense: Quiet Variation | |
| Jul 4, 2025 | Wolak | 0–1 | Mielczarski | XXI Baltic Pearl Chess Festival Group C | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jul 3, 2025 | Mielczarski | ½–½ | Mazalon | XXI Baltic Pearl Chess Festival Group C | Nimzo-Indian Defense: Classical Variation, Berlin Variation | |
| Jul 2, 2025 | Kapral | ½–½ | Mielczarski | XXI Baltic Pearl Chess Festival Group C | Benoni Defense: Semi-Benoni | |
| Jul 1, 2025 | Mielczarski | 1–0 | Cyra | XXI Baltic Pearl Chess Festival Group C | English Opening: King's English Variation, Two Knights Variation | |