| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. S Mareco vs Y Wang |
| ½-½ | 39 | 2011 | Indonesia Open | D10 Queen's Gambit Declined Slav |
| 2. S Mareco vs O Barbosa |
| ½-½ | 17 | 2011 | Indonesia Open | D10 Queen's Gambit Declined Slav |
| 3. S Mareco vs R Molina |
| 0-1 | 37 | 2015 | VIII Hebraica GM | D10 Queen's Gambit Declined Slav |
| 4. S Mareco vs S Alonso |
| 1-0 | 54 | 2018 | Marcel Duchamp Open | D10 Queen's Gambit Declined Slav |
| 5. S Mareco vs J Zhao |
| 1-0 | 79 | 2018 | 8th HD Bank Cup | D10 Queen's Gambit Declined Slav |
| 6. S Mareco vs J Ortiz |
| 1-0 | 40 | 2025 | Perez Chess Open | D10 Queen's Gambit Declined Slav |
Kibitzing
