Player profile
Da Costa, Mariana Nara Santana
Dossier
21 of 30 games analyzed.
Accuracy: 88.6%
Opened d4: 8/8
Castled kingside: 16Same-side castling: 11Did not castle: 4Opposite-side castling: 2
Played on the kingside: 7Played in the center: 5Played on the queenside: 3Fianchettoed kingside: 2Fianchettoed queenside: 1
Initiated exchanges: 15Active pieces: 13Sacrificed material: 11Space advantage: 9Kept the bishop pair: 8Backward pawn: 8Isolated pawn: 6Missed tactics: 4Avoided exchanges: 4Played gambits: 1
Openings
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As White 13 games 6W 1D 5L
Queen's Gambit Declined 4 games 2W 0D 1L
Queen's Knight Variation 1 game 0W 0D 0L
(unspecified)
1 game
0W
0D
0L
Orthodox Defense 1 game 1W 0D 0L
Main Line
1 game
1W
0D
0L
Albin Countergambit 1 game 0W 0D 1L
Normal Line
1 game
0W
0D
1L
Marshall Defense 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
King's Indian Defense 2 games 2W 0D 0L
Averbakh Variation 2 games 2W 0D 0L
Nc6 Defense
1 game
1W
0D
0L
Main Line
1 game
1W
0D
0L
Trompowsky Attack 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Grünfeld Defense 1 game 0W 1D 0L
Brinckmann Attack 1 game 0W 1D 0L
Grünfeld Gambit
1 game
0W
1D
0L
Semi-Slav Defense 1 game 0W 0D 1L
Anti-Moscow Gambit 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Slav Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Queen's Indian Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Queen's Gambit Accepted 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Nimzo-Indian Defense 1 game 0W 0D 1L
Classical Variation 1 game 0W 0D 1L
Noa Variation
1 game
0W
0D
1L
As Black 16 games 8W 2D 5L
Caro-Kann Defense 3 games 2W 0D 1L
Classical Variation 1 game 0W 0D 1L
Spassky Variation
1 game
0W
0D
1L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Advance Variation 1 game 1W 0D 0L
Short Variation
1 game
1W
0D
0L
Slav Defense 3 games 3W 0D 0L
Exchange Variation 2 games 2W 0D 0L
(unspecified)
2 games
2W
0D
0L
Czech Variation 1 game 1W 0D 0L
Dutch Variation
1 game
1W
0D
0L
Queen's Gambit Declined 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
(unspecified)
2 games
1W
1D
0L
Queen's Pawn Game 2 games 1W 0D 1L
Accelerated London System 2 games 1W 0D 1L
(unspecified)
2 games
1W
0D
1L
Sicilian Defense 1 game 1W 0D 0L
Kupreichik Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Ware Opening 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Clemenz Opening 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Four Knights Game 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Bird Opening 1 game 0W 0D 0L
Dutch Variation 1 game 0W 0D 0L
(unspecified)
1 game
0W
0D
0L
Rapport-Jobava System 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Blunders Top 4 of 85
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 30 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.08.22 | Round 8: Simoncini, Luana Felipe - Da Costa, Mariana Nara Santana | 8.4 | 2026.08.22 Simoncini, Luana Felipe (44723342) (1859) | ½ | 83.40% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | |
| 2026.08.22 | Round 7: Da Costa, Mariana Nara Santana - Silva Rosas, Natalia | 7.4 | 2026.08.22 Silva Rosas, Natalia (3000575) (1840) | * | 84.30% | 1. d4 d5 2. c4 e6 3. Nc3 h6 | |
| 2026.08.22 | Round 6: Da Costa, Mariana Nara Santana - Sarmento, Flora Ferreira | 6.4 | 2026.08.22 Sarmento, Flora Ferreira (44744960) (1630) | 1 | - | 1. d4 Nf6 2. Bg5 g6 3. Bxf6 exf6 | |
| 2026.08.22 | Round 5: Ramos, Fernanda Cabreira - Da Costa, Mariana Nara Santana | 5.4 | 2026.08.22 Ramos, Fernanda Cabreira (22783733) (1663) | 1 | 97.30% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | |
| 2026.08.22 | Round 4: Brand, Lethicia Soethe - Da Costa, Mariana Nara Santana | 4.4 | 2026.08.22 Brand, Lethicia Soethe (22725458) (1828) | 1 | 88.90% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.06.28 | X Caioba STD | 1.12 | 2026.06.28 Cubas, Jose (3700267) (2424) | ½ | - | 1. d4 Nf6 2. c4 g6 3. Nc3 d5 | |
| 2026.03.15 | rated blitz game | - | 2026.03.15 Valdes Boza, Aliett (3527280) (2060) | 0 | 85.90% | 1. e4 c6 2. d4 d5 3. Nd2 dxe4 | |
| 2026.03.15 | rated blitz game | - | 2026.03.15 Muniz Guevara, Amanda Maria (3524299) (2147) | 1 | 93.50% | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 | |
| 2026.03.15 | rated blitz game | - | 2026.03.15 Palacios, Celina (6703135) (1846) | 1 | - | 1. e4 c6 | |
| 2026.03.15 | rated blitz game | - | 2026.03.15 Rodriguez Dominguez, Melissa (3517560) (2104) | 0 | 83.00% | 1. d4 d5 2. c4 c6 3. Nc3 Nf6 | |
| 2026.03.15 | rated blitz game | - | 2026.03.15 Bolanos Garcia, Heidi Paola (6106226) (1590) | 1 | 92.10% | 1. e4 c6 2. d4 d5 3. e5 Bf5 | |
| 2026.03.15 | rated blitz game | - | 2026.03.15 Santillan Vareles, Stefanny (3616070) (1788) | 1 | 95.00% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2026.03.15 | rated blitz game | - | 2026.03.15 Cardenas, Hebe (20028016) (1836) | 1 | 95.80% | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 | |
| 2026.03.15 | rated blitz game | - | 2026.03.15 Pedraza Aldana, Alexandra (4486080) (1711) | 0 | 67.10% | 1. d4 d5 2. c4 e5 3. dxe5 d4 | |
| 2026.03.15 | rated blitz game | - | 2026.03.15 Baltodano Zomer, Alegria (6551092) (1500) | 1 | 98.50% | 1. d4 d5 2. Bf4 Nf6 3. e3 Bf5 | |
| 2026.01.23 | BCS - Circuito Palas Atena Veloso | 6.6 | 2026.01.23 Monteiro, Melissa (44748620) (1513) | 1 | - | 1. d4 d5 2. c4 c6 3. cxd5 cxd5 | |
| 2026.01.23 | BCS - Circuito Palas Atena Veloso | 5.2 | 2026.01.23 Jimenez Salas, Maria Teresa (3843866) (2090) | 0 | - | 1. d4 d5 2. c4 c6 3. Nc3 dxc4 | |
| 2026.01.23 | BCS - Circuito Palas Atena Veloso | 4.4 | 2026.01.23 Frassetto, Eduarda (22782826) (1614) | 1 | - | 1. d4 Nf6 2. c4 e6 3. Nf3 b6 | |
| 2026.01.23 | BCS - Circuito Palas Atena Veloso | 3.3 | 2026.01.23 Contreras Huaman, Fiorella (3824675) (2144) | 0 | - | 1. d4 d5 2. Bf4 Nf6 3. e3 c5 | |
| 2026.01.23 | BCS - Circuito Palas Atena Veloso | 2.8 | 2026.01.23 Haberbeck Fagundes, Maria Eduarda (538080931) | 1 | 94.90% | 1. d4 d5 2. c4 Nf6 3. Nc3 Nc6 | |
| 2026.01.23 | BCS - Circuito Palas Atena Veloso | 1.8 | 2026.01.23 Martins, Eduarda Baldisserotto (44728700) (1511) | 1 | 97.20% | 1. c4 c6 2. d4 d5 3. cxd5 cxd5 | |
| 2025.02.01 | II Sampa Chess Open - STD Open | 1 | 2025.02.01 De Siqueira, Luigy Lira (22722734) (2267) | 0 | 91.90% | 1. d4 d5 2. c4 dxc4 3. Nc3 Nf6 | |
| 2025.01.22 | Round 10: Da Costa, Mariana Nara Santana - Riline Orso, Alejandro A. | 10.9 | 2025.01.22 Riline Orso, Alejandro A. (3700143) (2075) | 1 | - | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2025.01.22 | Round 7: Nogueira, Ivan Kuhlmann - Da Costa, Mariana Nara Santana | 7.11 | 2025.01.22 Nogueira, Ivan Kuhlmann (2101297) (2293) | 0 | 90.80% | 1. a4 d5 2. g3 Nf6 3. Bg2 Bf5 | |
| 2025.01.22 | Round 1: Lorenzon, Eduardo Lucas - Da Costa, Mariana Nara Santana | 1.8 | 2025.01.22 Lorenzon, Eduardo Lucas (2162164) (2164) | 0 | - | 1. h3 g6 | |
| 2025.01.16 | Round 11: Almeida Junior, Alvaro Alves de - Da Costa, Mariana Nara Santana | 11.1 | 2025.01.16 Almeida Junior, Alvaro Alves de (2149974) (2059) | 0 | 82.70% | 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 | |
| 2024.10.30 | Round 2: Da Costa, Mariana Nara Santana - Smietanska, Wiktoria | 2.3 | 2024.10.30 Smietanska, Wiktoria (21869359) (2070) | 0 | 72.50% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2024.05.06 | Round 6: Bermeo Apolinario,Jaziel Charlie - Da Costa, Mariana Nara Santana | 2024.05.06 Bermeo Apolinario, Jaziel Charlize (3634744) (1527) | * | 90.80% | 1. f4 d5 2. Nf3 Nf6 3. g3 c5 | ||
| 2024.05.04 | Round 4: Morales Perez, Ghisell - Da Costa, Mariana Nara Santana | 2024.05.04 Morales Perez, Ghisell (4497198) (1841) | ½ | 87.10% | 1. d4 d5 2. Nc3 Nf6 3. Bf4 Bf5 | ||
| 2023.10.31 | Round 4: Mariana Nara Santana Da Costa - Isabelle Tamarozi | 2023.10.31 Isabelle Tamarozi (1982) | 0 | 93.40% | 1. d4 Nf6 2. Bg5 g6 3. Bxf6 exf6 |