6 games · 2023–2025 · 6 classical · 0 online
Pettersson 12 draws3 Mazurek
33.3% for Pettersson
Openings between them
| A08 | King's Indian Attack: Sicilian Variation | 1 | 0.0% |
| B17 | Caro-Kann Defense: Karpov Variation, Modern Main Line | 1 | 0.0% |
| D05 | Rubinstein Opening | 1 | 0.0% |
| D12 | Slav Defense: Quiet Variation, Schallopp Defense | 1 | 50.0% |
| D37 | Queen's Gambit Declined: Three Knights Variation | 1 | 100.0% |
| E70 | King's Indian Defense: Normal Variation | 1 | 50.0% |
All games
| Mazurek, Jerzy1922 | 1-0 | Pettersson, Al1829 | 307th YMCA Autumn B 2025 | 2025 |
| Pettersson, Al1829 | 0-1 | Mazurek, Jerzy1910 | TCh-POL 2nd League 2025 | 2025 |
| Mazurek, Jerzy1895 | 1-0 | Pettersson, Al1858 | 296th YMCA Winter A 2025 | 2025 |
| Pettersson, Al1841 | 1-0 | Mazurek, Jerzy1890 | 292nd YMCA Autumn A 2024 | 2024 |
| Pettersson, Al1856 | ½-½ | Mazurek, Jerzy1839 | 287th YMCA Spring B 2024 | 2024 |
| Pettersson, Al1878 | ½-½ | Mazurek, Jerzy1715 | 271st YMCA Winter A 2023 | 2023 |