Prepare against Karen Alejandra Herrera Idarraga
Colombia · World #93,933 classical · FIDE ID 144408170
When preparing against Karen Alejandra Herrera Idarraga, expect 1.e4 in 55% of White games. Against 1.e4 the reply is 1...c5 (68% of games); against 1.d4, 1...Nf6 (64%).
Our database contains 85 games by Karen Alejandra Herrera Idarraga, covering Jun 2022 to Aug 2026. Below you'll find Karen Alejandra Herrera Idarraga's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Karen Alejandra Herrera Idarraga 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 | 1,747 | 1,747 | Aug 2026 |
| Rapid | 1,784 | 1,840 | Jun 2026 |
| Blitz | 1,824 | 1,824 | Aug 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 85 | 36 | 7 | 42 | 42.4% |
| As White | 42 | 18 | 5 | 19 | 42.9% |
| As Black | 43 | 18 | 2 | 23 | 41.9% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Karen Alejandra Herrera Idarraga's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Karen Alejandra Herrera Idarraga's side.
First moves as White (42 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 23 | 54.8% | 23.9% |
| d4 | 19 | 45.2% | 78.9% |
Main lines as White
- 1.e4 — 55% of White games, 23.9% score
- …c5 (43% of these games) — Idarraga usually continues c3 (7.1% score)
- …e5 (30% of these games) — Idarraga usually continues Nf3 (21.4% score)
- …e6 (13% of these games) — Idarraga usually continues d4 (83.3% score)
- 1.d4 — 45% of White games, 78.9% score
- …d5 (47% of these games) — Idarraga usually continues c4 (88.9% score)
- …Nf6 (32% of these games) — Idarraga usually continues c4 (50.0% score)
- …f5 (5% of these games) — Idarraga usually continues c4 (100.0% score)
As Black against 1.e4 (28 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 19 | 67.9% | 44.7% |
| e5 | 6 | 21.4% | 50.0% |
| e6 | 3 | 10.7% | 33.3% |
As Black against 1.d4 (11 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 7 | 63.6% | 42.9% |
| d5 | 4 | 36.4% | 50.0% |
Karen Alejandra Herrera Idarraga's chess games
All 85 games by Karen Alejandra Herrera Idarraga in the Chess.ceo database (Jun 2022 - 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: 36 wins, 7 draws, 42 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B22 | Sicilian: Alapin | 7 | 0/1/6 | 0.0% |
| D35 | Indian Defense | 5 | 2/0/3 | 40.0% |
| C10 | French Defense | 3 | 2/1/0 | 66.7% |
| C49 | Four Knights Game: Spanish Variation | 3 | 0/0/3 | 0.0% |
| D10 | Slav Defense | 3 | 3/0/0 | 100.0% |
| C28 | Petrov's Defense | 3 | 0/1/2 | 0.0% |
| D30 | Queen's Gambit Declined | 3 | 3/0/0 | 100.0% |
| A43 | Benoni Defense | 2 | 2/0/0 | 100.0% |
| B13 | Caro-Kann: Exchange Variation | 1 | 0/0/1 | 0.0% |
| A40 | Modern Defense | 1 | 1/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B40 | Sicilian | 6 | 2/1/3 | 33.3% |
| B34 | Sicilian: Accelerated Dragon | 4 | 3/0/1 | 75.0% |
| B22 | Sicilian: Alapin | 3 | 0/0/3 | 0.0% |
| C42 | Petrov's Defense | 3 | 1/0/2 | 33.3% |
| B45 | Sicilian: Four Knights | 3 | 1/0/2 | 33.3% |
| D03 | Indian Defense | 2 | 1/0/1 | 50.0% |
| E00 | Catalan | 2 | 0/1/1 | 0.0% |
| C11 | French: Classical Variation | 2 | 1/0/1 | 50.0% |
| A45 | London System | 2 | 2/0/0 | 100.0% |
| E12 | Queen's Indian Defense | 2 | 1/0/1 | 50.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jun 2026 | Nobel Alfredo Guarin Fonseca | 1,954 | Colombia Nacional Rápidas y Blitz | Blitz Sub 20 | E12 |
| Jul 2026 | Ghisell Morales Perez | 1,947 | Colombia Campeonato Nacional de Mayores | Blitz | Femenino | A59 |
| Aug 2026 | Valentina Sofia Ruiz Jaraba | 1,937 | Semifinal De Mayores Absoluto Colombia 2026 | Women | B40 |
| Jan 2026 | Dany Andres Bejarano | 1,934 | 1er IRT Centro Comercial AV. Chile | A52 |
| May 2026 | Yamil Octavio Mena Cordoba | 1,868 | IRT Kallpa Colombia Tournaments | Olimpiada por Equipos | A43 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Bucaramanga Open | 2023 | 9 | 3 | 1,416 |
| Colombia Nacional Rápidas y Blitz | Blitz Sub 20 | 2026 | 9 | 4.5 | 1,869 |
| Medellin de La Raza U2000 Open | 2023 | 7 | 3 | 1,384 |
| ch-COL U18 Girls | 2024 | 7 | 3 | 1,595 |
| ch-COL U16 Girls | 2022 | 7 | 3 | 1,164 |
| Semifinal De Mayores Absoluto Colombia 2026 | Women | 2026 | 6 | 2 | 1,771 |
| 1er IRT Centro Comercial AV. Chile | 2026 | 6 | 5 | 2,204 |
| Fomeque Open | 2023 | 5 | 2.5 | 1,535 |
Interactive opening tree from all 85 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Karen Alejandra Herrera Idarraga's chess games?
85 games by Karen Alejandra Herrera Idarraga, from Jun 2022 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 Karen Alejandra Herrera Idarraga has played.
What does Karen Alejandra Herrera Idarraga play on the first move as White?
Across 42 games with White in our database, Karen Alejandra Herrera Idarraga opens with 1.e4 (55% of games), 1.d4 (45% of games). Against 1.e4 as Black, Karen Alejandra Herrera Idarraga answers 1...c5 (68% of games), 1...e5 (21% of games), 1...e6 (11% of games). Against 1.d4: 1...Nf6 (64% of games), 1...d5 (36% of games).
What openings does Karen Alejandra Herrera Idarraga play as White?
As White, Karen Alejandra Herrera Idarraga's most-played openings in our database are: Sicilian: Alapin (7 games, 0.0% win rate); Indian Defense (5 games, 40.0% win rate); French Defense (3 games, 66.7% win rate). The full breakdown of 42 games with White is in the table above.
What openings does Karen Alejandra Herrera Idarraga play as Black?
As Black, Karen Alejandra Herrera Idarraga most often plays: Sicilian (6 games, 33.3% win rate); Sicilian: Accelerated Dragon (4 games, 75.0% win rate); Sicilian: Alapin (3 games, 0.0% win rate). See the table above for the top ten Black openings across 43 games.
What is Karen Alejandra Herrera Idarraga's FIDE rating?
Karen Alejandra Herrera Idarraga is currently rated 1,747 in classical chess, 1,784 in rapid and 1,824 in blitz. Peak classical rating: 1,747 (Aug 2026).
How many games has Karen Alejandra Herrera Idarraga played?
Our database contains 85 games by Karen Alejandra Herrera Idarraga, covering Jun 2022 to Aug 2026. Overall record: 36 wins, 7 draws, 42 losses (42.4% win rate).
How do I prepare against Karen Alejandra Herrera Idarraga?
85 games by Karen Alejandra Herrera Idarraga 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.