Aragon, Sandra Viviana
| FIDE title | None |
| FIDE ID | 4419880 |
| Born | 1988 |
| Sex | Female |
| Federation | COL |
| Games for download | 8 |
| Profile view | Visits: 2 |
Current rates
| ELO Classic | ELO Rapid | ELO Blitz |
| 0 | 0 | 0 |
Number of rated games in the last period
| Classic Games | Rapid Games | Blitz Games |
| 0 | 0 | 0 |
Effectiveness of Aragon Sandra Viviana in official chess games
| Wins | Draws | Losses |
| 4 | 2 | 2 |
Analyzing the loss of accuracy of Aragon Sandra Viviana by year
A sentipawns is a unit of measurement used in chess to represent an advantage. A sentipawns is equal to 1/100 of the value of a pawn. 100 sentipawns are equal to 1 pawn. These values play no role in the game, but are useful in computer chess and for computer analysis when evaluating positions. To evaluate the accuracy of play in a particular game, it is important to analyze the loss of accuracy of play (loss of sentipawns). For example, if a chess player, who played with white pieces, in a game of 30 moves made all moves on the first line (did not lose sentipawns), then his accuracy loss index will be equal to zero (just an excellent and almost impossible result). And if his partner, who played with black pieces, made 20 moves out of 30 on the first line, and 10 out of 30 moves with a loss of 100 sentipawns each time (for example, on the first line the evaluation of the position is equal to: +0.5, and Black made bad moves with an evaluation of +1.5). The analytical report shows the change in the accuracy of Sandra Viviana in the opening and at the end of the game by year. The games were analyzed using the Stockfish 17.| Year | White Debute | White Endgame | Black Debute | Black Endgame |
| 2009 | -0.10 | 0.42 | 0.39 | -2.33 |
Last official chess games of Aragon Sandra Viviana
Оur database contains 8 Sandra Viviana official chess games. On the chessboard you can play the last 10 games in online mode. Below there is a link to download all chess games in PGN format for free.| Date | Event | Result | Players | ECO | ScoreSheet |
|---|---|---|---|---|---|
| 2009-10-26 | COL-ch U26 (Women) 18th | 1/2-1/2 | Motta, Lida Marcela - Aragon, Sandra Viviana | Reti Opening: 1...d5 (D02) | 1.Nf3 d5 2.d4 e6 3.g3 b6 4.Bg2 Nd7 5.O-O c5 6.c4 dxc4 7.dxc5 Bb7 8.cxb6 axb6 9.Nc3 Ngf6 10.Bf4 Bc5 |
| 2009-10-25 | COL-ch U26 (Women) 18th | 0-1 | Aragon, Sandra Viviana - Salcedo Paez, Diana | English: Anglo-Indian, 2.Nc3 e6 3.g3 (A11) | 1.c4 Nf6 2.Nc3 e6 3.g3 d5 4.cxd5 exd5 5.Bg2 c6 6.d3 Bf5 7.Nf3 h6 8.O-O Bc5 9.Re1 O-O 10.a3 a5 |
| 2009-10-24 | COL-ch U26 (Women) 18th | 1/2-1/2 | Aragon, Sandra Viviana - Galvis Pedraza, Maryory | English: Anglo-Indian, 2.Nc3 g6 3.g3 Bg7 4.Bg2 (A26) | 1.c4 Nf6 2.Nc3 g6 3.g3 Bg7 4.Bg2 d6 5.Nf3 O-O 6.O-O Nc6 7.d3 h6 8.Bd2 e5 9.Qc1 Kh7 10.Rb1 Ne7 |
| 2009-10-24 | COL-ch U26 (Women) 18th | 0-1 | Carvajal, Diana Yamile - Aragon, Sandra Viviana | French: 1.e4 e6 (C00) | 1.e4 e6 2.c3 d5 3.exd5 Qxd5 4.d4 b6 5.Nd2 Bb7 6.Ngf3 c5 7.Bc4 Qd8 8.Bb5+ Bc6 9.Bxc6+ Nxc6 10.Qa4 Qd7 |
| 2009-10-23 | COL-ch U26 (Women) 18th | 1-0 | Aragon, Sandra Viviana - Gamboa Carvajal, Manuela | Reti Opening: KIA, 3.Bg2 Bg7 (E62) | 1.Nf3 Nf6 2.g3 g6 3.Bg2 Bg7 4.d4 O-O 5.O-O d6 6.c4 Nc6 7.Nc3 e5 8.dxe5 dxe5 9.e4 Be6 10.b3 Qc8 |
| 2009-10-23 | COL-ch U26 (Women) 18th | 0-1 | Betancur, Carolina - Aragon, Sandra Viviana | French: KIA 2.d3 d5 3.Nd2 c5 (C00) | 1.e4 e6 2.d3 d5 3.Nd2 c5 4.g3 Nc6 5.Bg2 Nge7 6.f4 g6 7.Ngf3 Bg7 8.O-O O-O 9.e5 f6 10.Re1 fxe5 |
| 2009-03-23 | Eje Cafetero Region 3rd | 0-1 | Aragon, Sandra Viviana - Zuluaga Alzate, Gustavo | Indian: 2.Nf3 (D02) | 1.d4 Nf6 2.Nf3 d5 3.g3 e6 4.Bg2 c5 5.c3 Nc6 6.O-O b6 7.Bf4 Bd6 8.Bxd6 Qxd6 9.dxc5 bxc5 10.Nbd2 O-O |
COL-ch U26 (Women) 18th, Risarald, 2009-10-26
1.Nf3 d5 2.d4 e6 3.g3 b6 4.Bg2 Nd7 5.O-O c5 6.c4 dxc4 7.dxc5 Bb7 8.cxb6 axb6 9.Nc3 Ngf6 10.Bf4 Bc5 11.Qc2 Qe7 12.Nb5 O-O 13.Qxc4 Rac8 14.Qd3 Rfd8 15.Bd6 Bxd6 16.Qxd6 Qxd6 17.Nxd6 Bxf3 18.Bxf3 Rc2 19.Nb7 Rdc8 20.b3 Ne5 21.Nd6 Rd8 22.Ne4 Nxe4 23.Bxe4 Rxe2 24.Rfe1 Rdd2 25.Rxe2 Rxe2 26.f3 f5 27.Bb7 Kf7 28.b4 Rb2 29.a3 Rb3 30.Ba6 1/2-1/2
1.Nf3 d5 2.d4 e6 3.g3 b6 4.Bg2 Nd7 5.O-O c5 6.c4 dxc4 7.dxc5 Bb7 8.cxb6 axb6 9.Nc3 Ngf6 10.Bf4 Bc5 11.Qc2 Qe7 12.Nb5 O-O 13.Qxc4 Rac8 14.Qd3 Rfd8 15.Bd6 Bxd6 16.Qxd6 Qxd6 17.Nxd6 Bxf3 18.Bxf3 Rc2 19.Nb7 Rdc8 20.b3 Ne5 21.Nd6 Rd8 22.Ne4 Nxe4 23.Bxe4 Rxe2 24.Rfe1 Rdd2 25.Rxe2 Rxe2 26.f3 f5 27.Bb7 Kf7 28.b4 Rb2 29.a3 Rb3 30.Ba6 1/2-1/2
Download all the chess games of Sandra Viviana for free
Last Tournaments of Aragon Sandra Viviana
| Tournaments | Positions | Date |
|---|---|---|
| Eje Cafetero Region 3rd | 2 | 2009-03-22 |
| COL-ch U26 (Women) 18th | 6 | 2009-10-23 |
Statistics of the most played openings by Sandra Viviana with white
Below are the most frequently played openings of Sandra Viviana for White, in descending order of frequency.| ECO | Games | White Win | Black Win | Draws |
|---|---|---|---|---|
| A16 (English: Anglo-Indian, 2.Nc3 g6 3.g3 Bg7 4.Bg2) | 1 | 0 | 0 | 1 |
| D02 (Queen's Pawn: 3.g3 g6) | 1 | 1 | 0 | 0 |
| A46 (Indian: 2.Nf3) | 1 | 0 | 1 | 0 |
| A05 (Reti Opening: KIA, 3.Bg2 Bg7) | 1 | 1 | 0 | 0 |
| A17 (English: Anglo-Indian, 2.Nc3 e6 3.g3) | 1 | 0 | 1 | 0 |
Statistics of the most played openings by Sandra Viviana with black
Below are the most frequently played openings of Sandra Viviana for Black in descending order of frequency of play.| ECO | Games | White Win | Black Win | Draws |
|---|---|---|---|---|
| A06 (Reti Opening: 1...d5) | 1 | 0 | 0 | 1 |
| C00 (French: KIA 2.d3 d5 3.Nd2 c5) | 1 | 1 | 0 | 0 |
| C00 (French: 1.e4 e6) | 1 | 1 | 0 | 0 |