Prepare against Sandro Mareco
GM · Argentina · World #301 classical · FIDE ID 112275
Our database contains 2,037 games by Sandro Mareco, covering Apr 2003 to Aug 2026. Below you'll find Sandro Mareco's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Sandro Mareco before a game. You can open the same data in the free interactive preparation workstation, which builds a move-by-move opening tree from every game.
Ratings
| Time control | Current | Peak | Peak date |
|---|---|---|---|
| Classical | 2,551 | 2,666 | Mar 2019 |
| Rapid | 2,566 | 2,607 | Jul 2016 |
| Blitz | 2,547 | 2,637 | Aug 2016 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 2,037 | 1,061 | 679 | 297 | 52.1% |
| As White | 1,021 | 582 | 316 | 123 | 57.0% |
| As Black | 1,016 | 479 | 363 | 174 | 47.1% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Sandro Mareco's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Sandro Mareco's side.
First moves as White (1,021 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 448 | 43.9% | 72.4% |
| e4 | 229 | 22.4% | 71.2% |
| Nf3 | 221 | 21.6% | 74.7% |
| c4 | 119 | 11.7% | 71.0% |
| b3 | 4 | 0.4% | 75.0% |
Main lines as White
- 1.d4 — 44% of White games, 72.4% score
- …Nf6 (59% of these games) — Mareco usually continues c4 (75.3% score)
- …d5 (30% of these games) — Mareco usually continues c4 (69.7% score)
- …e6 (5% of these games) — Mareco usually continues c4 (75.0% score)
- 1.e4 — 22% of White games, 71.2% score
- …c5 (45% of these games) — Mareco usually continues Nf3 (72.5% score)
- …e5 (23% of these games) — Mareco usually continues Nf3 (64.0% score)
- …e6 (12% of these games) — Mareco usually continues d4 (72.2% score)
As Black against 1.e4 (457 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 282 | 61.7% | 67.4% |
| e5 | 132 | 28.9% | 61.7% |
| c6 | 33 | 7.2% | 66.7% |
| e6 | 5 | 1.1% | 90.0% |
| d6 | 2 | 0.4% | 50.0% |
| g6 | 2 | 0.4% | 100.0% |
As Black against 1.d4 (373 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 339 | 90.9% | 62.8% |
| d5 | 29 | 7.8% | 56.9% |
| e6 | 5 | 1.3% | 40.0% |
Sandro Mareco's chess games
All 2,037 games by Sandro Mareco in the Chess.ceo database (Apr 2003 - Aug 2026) are free to browse, search and replay: filter by opening, opponent, event or date on the player page, or step through any game on the analysis board. Record: 1,061 wins, 679 draws, 297 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A13 | English Opening | 94 | 57/27/10 | 60.6% |
| D46 | Slav Defense | 86 | 42/35/9 | 48.8% |
| E05 | Catalan | 84 | 49/26/9 | 58.3% |
| E94 | King's Indian Defense: Orthodox Variation | 61 | 45/9/7 | 73.8% |
| D37 | Indian Defense | 58 | 38/14/6 | 65.5% |
| A09 | Réti Opening | 43 | 25/12/6 | 58.1% |
| A61 | Benoni Defense | 38 | 24/9/5 | 63.2% |
| A29 | English Opening: Reverse Sicilian | 33 | 17/11/5 | 51.5% |
| B90 | Sicilian: Najdorf | 29 | 16/11/2 | 55.2% |
| A13 | English Opening: Neo-Catalan | 28 | 19/5/4 | 67.9% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B90 | Sicilian: Najdorf | 95 | 45/33/17 | 47.4% |
| B42 | Sicilian | 86 | 48/25/13 | 55.8% |
| A46 | Indian Defense | 63 | 31/22/10 | 49.2% |
| E15 | Queen's Indian Defense | 48 | 13/22/13 | 27.1% |
| A28 | English Opening: Reverse Sicilian | 42 | 18/11/13 | 42.9% |
| E46 | Nimzo-Indian: Rubinstein System | 41 | 17/18/6 | 41.5% |
| E11 | Catalan | 39 | 17/16/6 | 43.6% |
| A17 | English Opening | 34 | 19/12/3 | 55.9% |
| C78 | Ruy Lopez: Morphy Defense | 34 | 13/17/4 | 38.2% |
| B23 | Sicilian: Closed | 33 | 22/8/3 | 66.7% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Mar 2017 | Hikaru Nakamura | 2,793 | PRO League KO Stage | A09 |
| Sep 2016 | Yue Wang | 2,737 | Olympiad-42 | D24 |
| Dec 2016 | Francisco Vallejo Pons | 2,711 | Wch Blitz | A84 |
| Sep 2015 | Hua Ni | 2,704 | FIDE World Cup | A09 |
| Jan 2014 | David Navara | 2,702 | 12th Gibraltar Masters | D76 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Titled Tuesday | 2020 | 35 | 20.5 | 2,492 |
| chT-ARG | 2021 | 28 | 22.5 | 2,561 |
| Asuncion zt 2.5 | 2015 | 27 | 19.5 | 2,600 |
| Chess24 Banter Blitz Cup | 2020 | 24 | 9 | 2,432 |
| FIDE World Cup | 2021 | 22 | 9.5 | 2,584 |
| Wch Blitz | 2016 | 21 | 9.5 | 2,568 |
| Montevideo zt 2.5 | 2019 | 18 | 13.5 | 2,573 |
| Wch Rapid | 2016 | 15 | 7 | 2,522 |
Frequent opponents
Head-to-head records: Diego Flores (38 games) · Andres Rodriguez Vila (27 games) · Federico Perez Ponsa (21 games) · Sergio Slipak (20 games) · Jorge Cori (19 games) · Jose Cubas (18 games) · Alan Pichot (17 games) · Neuris Delgado Ramirez (16 games)
Interactive opening tree from all 2,037 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Sandro Mareco's chess games?
2,037 games by Sandro Mareco, from Apr 2003 to Aug 2026, are free to browse and replay move by move — no signup needed. The preparation view groups them into an opening tree showing every line Sandro Mareco has played.
What does Sandro Mareco play on the first move as White?
Across 1,021 games with White in our database, Sandro Mareco opens with 1.d4 (44% of games), 1.e4 (22% of games), 1.Nf3 (22% of games). Against 1.e4 as Black, Sandro Mareco answers 1...c5 (62% of games), 1...e5 (29% of games), 1...c6 (7% of games). Against 1.d4: 1...Nf6 (91% of games), 1...d5 (8% of games), 1...e6 (1% of games).
What openings does Sandro Mareco play as White?
As White, Sandro Mareco's most-played openings in our database are: English Opening (94 games, 60.6% win rate); Slav Defense (86 games, 48.8% win rate); Catalan (84 games, 58.3% win rate). The full breakdown of 1,021 games with White is in the table above.
What openings does Sandro Mareco play as Black?
As Black, Sandro Mareco most often plays: Sicilian: Najdorf (95 games, 47.4% win rate); Sicilian (86 games, 55.8% win rate); Indian Defense (63 games, 49.2% win rate). See the table above for the top ten Black openings across 1,016 games.
What is Sandro Mareco's FIDE rating?
Sandro Mareco is currently rated 2,551 in classical chess, 2,566 in rapid and 2,547 in blitz. Peak classical rating: 2,666 (Mar 2019).
How many games has Sandro Mareco played?
Our database contains 2,037 games by Sandro Mareco, covering Apr 2003 to Aug 2026. Overall record: 1,061 wins, 679 draws, 297 losses (52.1% win rate).
How do I prepare against Sandro Mareco?
2,037 games by Sandro Mareco reveal their opening repertoire, most-played lines, and the variations where they score worst — the raw material for targeted preparation. The interactive opening tree lets you walk every line to any depth.