Game |
| Result | Moves |
Year | Event/Locale | Opening |
1176. M Carcamo vs S Mareco |
| 0-1 | 47 | 2025 | American Continental | B23 Sicilian, Closed |
1177. S Mareco vs E Rodrigues |
| 1-0 | 29 | 2025 | American Continental | A05 Reti Opening |
1178. N Felipe Filgueiras vs S Mareco |
| 1-0 | 29 | 2025 | American Continental | B90 Sicilian, Najdorf |
1179. A V Escobar vs S Mareco |
| ½-½ | 25 | 2025 | American Continental | C47 Four Knights |
1180. S Mareco vs F Contreras Huaman |
| 1-0 | 36 | 2025 | American Continental | B12 Caro-Kann Defense |
1181. I Schnaider vs S Mareco |
| ½-½ | 27 | 2025 | American Continental | B12 Caro-Kann Defense |
1182. S Mareco vs F Ynojosa Aponte |
| 1-0 | 36 | 2025 | American Continental | E15 Queen's Indian |
1183. M Campos Gomez vs S Mareco |
| ½-½ | 40 | 2025 | American Continental | E10 Queen's Pawn Game |
1184. S Mareco vs S Avila Pavas |
| ½-½ | 73 | 2025 | American Continental | A07 King's Indian Attack |