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FIDE ID:
Sandro Mareco
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Magistral Punta del Este | 03/14/2025 | 2497 |  Uruguay |
| Perez Chess Open 2025 | 02/28/2025 | 2318 |  Argentina |
| 99th ch-ARG 2024 | 11/26/2024 | 2457 | Argentina |
| FIDE Grand Swiss 2023 | 10/25/2023 | 2637 |
Sandro Mareco Opening Repertoire with White pieces
| ECO | Opening | Games |
| A13 | English opening | 18 games |
| D45 | Queen's Gambit Declined semi-Slav, 5.e3 | 17 games |
| A15 | English, 1...Nf6 (Anglo-Indian defense) | 12 games |
| E10 | Queen's pawn game | 11 games |
Sandro Mareco Opening Repertoire with Black pieces
| ECO | Opening | Games |
| B90 | Sicilian, Najdorf | 19 games |
| E15 | Queen's Indian, 4.g3 | 18 games |
| E12 | Queen's Indian defence | 12 games |
| B40 | Sicilian defence | 11 games |
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