Prepare against Mariana Nara Santana Da Costa
Brazil · World #60,760 classical · FIDE ID 22779884
When preparing against Mariana Nara Santana Da Costa, expect 1.d4 in 97% of White games. Against 1.e4 the reply is 1...c6 (80% of games); against 1.d4, 1...d5 (100%). Lowest win rate among frequent openings: Slav Defense as Black, 60.0% over 20 games.
Our database contains 153 games by Mariana Nara Santana Da Costa, covering Mar 2020 to Aug 2026. Below you'll find Mariana Nara Santana Da Costa's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Mariana Nara Santana Da Costa 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 | 1,853 | 1,934 | Aug 2025 |
| Rapid | 1,905 | 1,946 | Jul 2026 |
| Blitz | 1,886 | 1,961 | Feb 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 153 | 67 | 19 | 67 | 43.8% |
| As White | 73 | 28 | 10 | 35 | 38.4% |
| As Black | 80 | 39 | 9 | 32 | 48.8% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Mariana Nara Santana Da Costa's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Mariana Nara Santana Da Costa's side.
First moves as White (73 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 71 | 97.3% | 43.7% |
| c4 | 1 | 1.4% | 100.0% |
| e4 | 1 | 1.4% | 100.0% |
Main lines as White
- 1.d4 — 97% of White games, 43.7% score
- …Nf6 (54% of these games) — Costa usually continues c4 (25.0% score)
- …d5 (31% of these games) — Costa usually continues c4 (61.4% score)
- …d6 (4% of these games) — Costa usually continues c4 (66.7% score)
- 1.c4 — 1% of White games, 100.0% score
- …f5 (100% of these games) — Costa usually continues d4 (100.0% score)
As Black against 1.e4 (41 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c6 | 33 | 80.5% | 59.1% |
| e5 | 5 | 12.2% | 40.0% |
| c5 | 2 | 4.9% | 0.0% |
| d5 | 1 | 2.4% | 50.0% |
As Black against 1.d4 (29 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 29 | 100.0% | 56.9% |
Mariana Nara Santana Da Costa's chess games
All 153 games by Mariana Nara Santana Da Costa in the Chess.ceo database (Mar 2020 - 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: 67 wins, 19 draws, 67 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| E61 | King's Indian Defense | 9 | 4/0/5 | 44.4% |
| D50 | Queen's Gambit Declined | 8 | 4/1/3 | 50.0% |
| E61 | Indian Defense | 7 | 3/2/2 | 42.9% |
| D10 | Slav Defense | 7 | 5/0/2 | 71.4% |
| A43 | Benoni Defense | 5 | 2/0/3 | 40.0% |
| A45 | Trompowsky Attack | 5 | 1/0/4 | 20.0% |
| E21 | Nimzo-Indian Defense | 3 | 0/0/3 | 0.0% |
| E73 | King's Indian Defense: Averbakh System | 3 | 1/2/0 | 33.3% |
| D83 | Grünfeld Defense | 3 | 0/1/2 | 0.0% |
| A31 | English Opening | 2 | 0/0/2 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D10 | Slav Defense | 20 | 12/0/8 | 60.0% |
| B12 | Caro-Kann: Advance Variation | 10 | 7/1/2 | 70.0% |
| D00 | London System | 9 | 5/1/3 | 55.6% |
| B13 | Caro-Kann: Exchange Variation | 9 | 4/2/3 | 44.4% |
| B18 | Caro-Kann: Classical | 7 | 2/0/5 | 28.6% |
| A11 | English Opening: Slav Setup | 7 | 3/2/2 | 42.9% |
| B10 | Caro-Kann | 5 | 4/0/1 | 80.0% |
| C42 | Petrov's Defense | 3 | 1/1/1 | 33.3% |
| B12 | Caro-Kann: Fantasy Variation | 2 | 1/0/1 | 50.0% |
| A00 | Grob's Attack | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Mar 2026 | Amanda Maria Muniz Guevara | 2,147 | Queens' American Online Blitz Qualification 2026 | D63 |
| Jul 2024 | Osvaldo Cezar G. De Andrade | 2,036 | 1st Maringa Open | B12 |
| Jan 2023 | Mels Leopold Ccerhuayo Escobedo | 1,988 | 9th Florianopolis Open | B18 |
| May 2024 | Joao Paulo S. Galindo Santos | 1,986 | ch-BRA Amateurs U2000 | D66 |
| Oct 2023 | Vanessa Ramos Gazola | 1,942 | 62nd ch-BRA w | C11 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Timbo Open | 2021 | 11 | 3.5 | 1,537 |
| World Youth Girls U14 | 2024 | 11 | 6 | 1,826 |
| Brazil Chess - Floripa | 2026 | 10 | 5 | 1,833 |
| 7th Florianopolis Open | 2021 | 10 | 4 | 1,482 |
| ch-Pan American U1700 | 2021 | 9 | 4.5 | 1,484 |
| 11th Floripa Open | 2025 | 9 | 4.5 | 2,012 |
| Queens' American Online Blitz Qualification 2026 | 2026 | 9 | 6 | 1,975 |
| 10th Florianopolis Open | 2024 | 8 | 3.5 | 1,753 |
Interactive opening tree from all 153 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Mariana Nara Santana Da Costa's chess games?
153 games by Mariana Nara Santana Da Costa, from Mar 2020 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 Mariana Nara Santana Da Costa has played.
What does Mariana Nara Santana Da Costa play on the first move as White?
Across 73 games with White in our database, Mariana Nara Santana Da Costa opens with 1.d4 (97% of games), 1.c4 (1% of games), 1.e4 (1% of games). Against 1.e4 as Black, Mariana Nara Santana Da Costa answers 1...c6 (80% of games), 1...e5 (12% of games), 1...c5 (5% of games). Against 1.d4: 1...d5 (100% of games).
What openings does Mariana Nara Santana Da Costa play as White?
As White, Mariana Nara Santana Da Costa's most-played openings in our database are: King's Indian Defense (9 games, 44.4% win rate); Queen's Gambit Declined (8 games, 50.0% win rate); Indian Defense (7 games, 42.9% win rate). The full breakdown of 73 games with White is in the table above.
What openings does Mariana Nara Santana Da Costa play as Black?
As Black, Mariana Nara Santana Da Costa most often plays: Slav Defense (20 games, 60.0% win rate); Caro-Kann: Advance Variation (10 games, 70.0% win rate); London System (9 games, 55.6% win rate). See the table above for the top ten Black openings across 80 games.
What is Mariana Nara Santana Da Costa's FIDE rating?
Mariana Nara Santana Da Costa is currently rated 1,853 in classical chess, 1,905 in rapid and 1,886 in blitz. Peak classical rating: 1,934 (Aug 2025).
How many games has Mariana Nara Santana Da Costa played?
Our database contains 153 games by Mariana Nara Santana Da Costa, covering Mar 2020 to Aug 2026. Overall record: 67 wins, 19 draws, 67 losses (43.8% win rate).
How do I prepare against Mariana Nara Santana Da Costa?
153 games by Mariana Nara Santana Da Costa 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.