Player profile
Herrera Idarraga, Karen Alejandra
Dossier
154 of 182 games analyzed.
Accuracy: 84.9%
Opened e4: 53/76Opened d4: 23/76
Castled kingside: 115Same-side castling: 106Castled queenside: 19Did not castle: 17Opposite-side castling: 17
Played in the center: 64Played on the kingside: 38Played on the queenside: 24Fianchettoed queenside: 23Fianchettoed kingside: 11
Active pieces: 123Initiated exchanges: 104Sacrificed material: 90Kept the bishop pair: 81Space advantage: 76Isolated pawn: 73Missed tactics: 63Backward pawn: 59Avoided exchanges: 31Played gambits: 22
Openings
Click "+" to add that group to the games list below. Multiple groups can be added at once.
As White 86 games 54W 3D 26L
Sicilian Defense 22 games 10W 1D 11L
Alapin Variation 17 games 8W 1D 8L
(unspecified)
9 games
6W
0D
3L
Barmen Defense
4 games
0W
1D
3L
Barmen Defense, Modern Line
2 games
0W
0D
2L
Stoltz Attack
1 game
1W
0D
0L
Smith-Morra Declined
1 game
1W
0D
0L
Delayed Alapin Variation 2 games 0W 0D 2L
(unspecified)
2 games
0W
0D
2L
Dragon Variation 1 game 0W 0D 1L
Yugoslav Attack, Hungarian Dragon
1 game
0W
0D
1L
Marshall Counterattack 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Scheveningen Variation 1 game 1W 0D 0L
Classical Variation
1 game
1W
0D
0L
Four Knights Game 15 games 9W 0D 6L
Spanish Variation 14 games 8W 0D 6L
(unspecified)
6 games
4W
0D
2L
Ranken Variation
2 games
1W
0D
1L
Spielmann Variation
2 games
0W
0D
2L
Rubinstein Variation Accepted
2 games
1W
0D
1L
Double Spanish
1 game
1W
0D
0L
Classical Variation
1 game
1W
0D
0L
Scotch Variation Accepted 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Queen's Gambit Declined 9 games 7W 0D 2L
Exchange Variation 4 games 2W 0D 2L
Reshevsky Variation
2 games
1W
0D
1L
Positional Variation
1 game
1W
0D
0L
(unspecified)
1 game
0W
0D
1L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Queen's Knight Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Semi-Tarrasch Defense 1 game 1W 0D 0L
with e3
1 game
1W
0D
0L
Janowski Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Tarrasch Defense 1 game 1W 0D 0L
Pseudo-Tarrasch
1 game
1W
0D
0L
Caro-Kann Defense 4 games 3W 0D 1L
Maróczy Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Exchange Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Accelerated Panov Attack 1 game 0W 0D 1L
Modern Variation
1 game
0W
0D
1L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Three Knights Opening 4 games 4W 0D 0L
(unspecified) 4 games 4W 0D 0L
(unspecified)
4 games
4W
0D
0L
Benoni Defense 3 games 2W 0D 1L
Old Benoni 2 games 1W 0D 1L
(unspecified)
2 games
1W
0D
1L
French Benoni 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Queen's Pawn Game 3 games 1W 0D 1L
Modern Defense 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
(unspecified) 1 game 0W 0D 0L
(unspecified)
1 game
0W
0D
0L
Colle System 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Slav Defense 3 games 3W 0D 0L
Exchange Variation 3 games 3W 0D 0L
Boor Attack
2 games
2W
0D
0L
(unspecified)
1 game
1W
0D
0L
Scandinavian Defense 3 games 2W 0D 0L
Main Line 2 games 2W 0D 0L
Mieses Variation
1 game
1W
0D
0L
(unspecified)
1 game
1W
0D
0L
Lasker Variation 1 game 0W 0D 0L
(unspecified)
1 game
0W
0D
0L
Nimzo-Indian Defense 2 games 1W 0D 1L
Sämisch Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Normal Variation 1 game 1W 0D 0L
Bernstein Defense, Exchange Line
1 game
1W
0D
0L
Italian Game 2 games 1W 1D 0L
Classical Variation 1 game 1W 0D 0L
Greco Gambit, Dubov Italian
1 game
1W
0D
0L
Two Knights Defense 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Indian Defense 2 games 2W 0D 0L
Budapest Gambit Accepted 1 game 1W 0D 0L
Main Line, Adler Variation
1 game
1W
0D
0L
Przepiorka Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Petrov's Defense 2 games 1W 1D 0L
Three Knights Game 2 games 1W 1D 0L
(unspecified)
2 games
1W
1D
0L
French Defense 2 games 1W 0D 0L
Rubinstein Variation 1 game 0W 0D 0L
(unspecified)
1 game
0W
0D
0L
Exchange Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Modern Defense 2 games 2W 0D 0L
Standard Defense 2 games 2W 0D 0L
(unspecified)
2 games
2W
0D
0L
Queen's Indian Accelerated 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Benko Gambit 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Dutch Defense 1 game 1W 0D 0L
Queen's Knight Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
King's Indian Defense 1 game 1W 0D 0L
Four Pawns Attack 1 game 1W 0D 0L
Normal Attack
1 game
1W
0D
0L
Grünfeld Defense 1 game 0W 0D 1L
Three Knights Variation 1 game 0W 0D 1L
Burille Variation
1 game
0W
0D
1L
Scotch Game 1 game 1W 0D 0L
Benima Defense 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
King's Knight Opening 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Alekhine Defense 1 game 0W 0D 1L
Exchange Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
As Black 89 games 37W 3D 44L
Sicilian Defense 33 games 14W 3D 15L
Four Knights Variation 11 games 5W 1D 5L
(unspecified)
9 games
4W
1D
4L
Exchange Variation
2 games
1W
0D
1L
Alapin Variation 7 games 3W 0D 3L
(unspecified)
6 games
3W
0D
2L
Stoltz Attack
1 game
0W
0D
1L
French Variation 5 games 3W 0D 2L
Normal
4 games
3W
0D
1L
Open
1 game
0W
0D
1L
Old Sicilian 3 games 2W 0D 1L
(unspecified)
3 games
2W
0D
1L
Kramnik Variation 2 games 0W 1D 1L
(unspecified)
2 games
0W
1D
1L
Accelerated Dragon 2 games 1W 0D 1L
Maróczy Bind
1 game
0W
0D
1L
(unspecified)
1 game
1W
0D
0L
Delayed Alapin Variation 1 game 0W 1D 0L
with e6
1 game
0W
1D
0L
McDonnell Attack 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Closed 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Queen's Pawn Game 13 games 3W 0D 9L
Chigorin Variation 3 games 1W 0D 2L
(unspecified)
3 games
1W
0D
2L
London System 2 games 1W 0D 1L
(unspecified)
1 game
1W
0D
0L
with e6
1 game
0W
0D
1L
Krause Variation 2 games 0W 0D 1L
(unspecified)
2 games
0W
0D
1L
Accelerated London System 2 games 1W 0D 1L
Steinitz Countergambit
1 game
0W
0D
1L
(unspecified)
1 game
1W
0D
0L
Symmetrical Variation 1 game 0W 0D 1L
Pseudo-Catalan
1 game
0W
0D
1L
Colle System 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Zukertort Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Anti-Torre 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
English Opening 6 games 2W 0D 3L
King's English Variation 3 games 2W 0D 1L
Two Knights Variation, Keres Variation
1 game
0W
0D
1L
(unspecified)
1 game
1W
0D
0L
Two Knights Variation
1 game
1W
0D
0L
Symmetrical Variation 3 games 0W 0D 2L
Botvinnik System Reversed, with Nf3
1 game
0W
0D
0L
Four Knights Variation
1 game
0W
0D
1L
Botvinnik System Reversed, with e3
1 game
0W
0D
1L
Italian Game 5 games 3W 0D 2L
Two Knights Defense 5 games 3W 0D 2L
(unspecified)
4 games
3W
0D
1L
Modern Bishop's Opening
1 game
0W
0D
1L
Petrov's Defense 5 games 1W 0D 4L
Damiano Variation 4 games 0W 0D 4L
Kholmov Gambit
3 games
0W
0D
3L
(unspecified)
1 game
0W
0D
1L
Modern Attack 1 game 1W 0D 0L
Center Variation
1 game
1W
0D
0L
Queen's Gambit Declined 4 games 3W 0D 1L
Exchange Variation 2 games 2W 0D 0L
Reshevsky Variation
1 game
1W
0D
0L
Positional Variation
1 game
1W
0D
0L
(unspecified) 2 games 1W 0D 1L
(unspecified)
2 games
1W
0D
1L
Queen's Indian Defense 3 games 1W 0D 2L
Kasparov Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Classical Variation 1 game 0W 0D 1L
Traditional Variation
1 game
0W
0D
1L
Kasparov-Petrosian Variation 1 game 0W 0D 1L
Modern Variation
1 game
0W
0D
1L
Nimzo-Indian Defense 2 games 1W 0D 1L
Sämisch Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Leningrad Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
King's Indian Attack 2 games 0W 0D 2L
French Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Semi-Slav Defense 2 games 2W 0D 0L
Main Line 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Chigorin Defense 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Queen's Gambit Accepted 2 games 0W 0D 1L
Normal Variation 1 game 0W 0D 0L
(unspecified)
1 game
0W
0D
0L
Old Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Catalan Opening 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Indian Defense 1 game 0W 0D 1L
Dzindzi-Indian Defense 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Nimzo-Larsen Attack 1 game 1W 0D 0L
Modern Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Caro-Kann Defense 1 game 1W 0D 0L
Exchange Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Rapport-Jobava System 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Slav Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
King's Indian Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Four Knights Game 1 game 1W 0D 0L
Spanish Variation 1 game 1W 0D 0L
Double Spanish
1 game
1W
0D
0L
Nimzowitsch Defense 1 game 0W 0D 0L
Declined Variation 1 game 0W 0D 0L
(unspecified)
1 game
0W
0D
0L
King's Gambit 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Tarrasch Defense 1 game 1W 0D 0L
Schara Gambit 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Bishop's Opening 1 game 0W 0D 1L
Paulsen Defense 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Blunders Top 4 of 873
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 182 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.09.06 | Round 5: Herrera Idarraga, Karen Alejandra - Franco Garzon, Jonier Dario | 5.10 | 2026.09.06 Franco Garzon, Jonier Dario (4454146) (2022) | 0 | 82.20% | 1. d4 c5 2. d5 e5 3. c4 b5 | |
| 2026.08.17 | Round 8: Castano, Saray - Herrera Idarraga, Karen Alejandra | 8.7 | 2026.08.17 Castano, Saray (4450949) (1873) | 0 | 81.40% | 1. c4 e5 2. Nc3 Nf6 3. g3 c6 | |
| 2026.08.16 | Round 7: Herrera Idarraga, Karen Alejandra - Posada Torres, Briggith | 7.6 | 2026.08.16 Posada Torres, Briggith (144431236) (1884) | 0 | 87.80% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2026.08.16 | Round 6: Ruiz Jaraba, Valentina Sofia - Herrera Idarraga, Karen Alejandra | 6.6 | 2026.08.16 Ruiz Jaraba, Valentina Sofia (4451279) (1937) | 1 | 91.90% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2026.08.15 | Round 5: Herrera Idarraga, Karen Alejandra - Pachon Gutierrez, Adriana Paola | 5.3 | 2026.08.15 Pachon Gutierrez, Adriana Paola (4400690) (2016) | 0 | 85.00% | 1. d4 Nf6 2. c4 b6 3. Nc3 Bb7 | |
| 2026.08.15 | Round 4: Rua Palacio, Nora - Herrera Idarraga, Karen Alejandra | 4.10 | 2026.08.15 Rua Palacio, Nora (4401930) (1784) | 1 | 96.70% | 1. d4 Nf6 2. Bf4 d5 3. e3 c5 | |
| 2026.08.14 | Round 2: Pulido, Diana Marcela - Herrera Idarraga, Karen Alejandra | 2.6 | 2026.08.14 Pulido, Diana Marcela (4410084) (1932) | 0 | 83.30% | 1. e4 c5 2. c3 Qa5 3. Nf3 Nc6 | |
| 2026.07.16 | Round 1: Herrera Idarraga, Karen Alejandra - Rosero, Francisco Alberto | 1.41 | 2026.07.16 Rosero, Francisco Alberto (144449127) (1430) | 1 | 93.80% | 1. d4 g6 2. c4 e6 3. Nc3 a6 | |
| 2026.07.12 | Round 6: Morales Perez, Ghisell - Herrera Idarraga, Karen Alejandra | 6.9 | 2026.07.12 Morales Perez, Ghisell (4497198) (1990) | 0 | 84.80% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2026.07.11 | Round 1: Toro Castaneda, Elizabeth - Herrera Idarraga, Karen Alejandra | 1.5 | 2026.07.11 Toro Castaneda, Elizabeth (4429559) (2054) | 0 | 76.90% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2026.07.11 | Round 10: Mateus, Martha - Herrera Idarraga, Karen Alejandra | 10.9 | 2026.07.11 Mateus, Martha (4401549) (1910) | 0 | 82.30% | 1. e4 c5 2. c3 Nf6 3. e5 Nd5 | |
| 2026.07.11 | Round 7: Ramirez, Heimy Polgar - Herrera Idarraga, Karen Alejandra | 7.7 | 2026.07.11 Ramirez, Heimy Polgar (4401611) (1951) | 0 | 68.60% | 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ | |
| 2026.07.11 | Round 6: Herrera Idarraga, Karen Alejandra - Morales Perez, Ghisell | 6.10 | 2026.07.11 Morales Perez, Ghisell (4497198) (1947) | 1 | 90.90% | 1. d4 Nf6 2. c4 c5 3. d5 b5 | |
| 2026.07.11 | Round 3: Montilla Reyes, Jorcerys - Herrera Idarraga, Karen Alejandra | 3.7 | 2026.07.11 Montilla Reyes, Jorcerys (3900517) (2182) | 0 | 86.00% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2026.06.28 | Round 9: Guarin Fonseca, Nobel Alfredo - Herrera Idarraga, Karen Alejandra | 9.17 | 2026.06.28 Guarin Fonseca, Nobel Alfredo (4477731) (1954) | 1 | 72.50% | 1. d4 Nf6 2. Nf3 e6 3. c4 b6 | |
| 2026.06.28 | Round 8: Herrera Idarraga, Karen Alejandra - Bravo Mejia, Angel David | 8.18 | 2026.06.28 Bravo Mejia, Angel David (144410727) (1610) | 1 | 80.70% | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 | |
| 2026.06.28 | Round 7: Sanchez Aragon, Michael Alejandro - Herrera Idarraga, Karen Alejandra | 7.16 | 2026.06.28 Sanchez Aragon, Michael Alejandro (4488059) (1620) | 0 | 68.30% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2026.06.28 | Round 6: Herrera Idarraga, Karen Alejandra - Suarez Vera, Angel Antonio | 6.18 | 2026.06.28 Suarez Vera, Angel Antonio (144434901) (1772) | 1 | 84.80% | 1. d4 f5 2. c4 Nf6 3. Nc3 e6 | |
| 2026.06.28 | Round 5: Mejia Tamayo, Julian David - Herrera Idarraga, Karen Alejandra | 5.15 | 2026.06.28 Mejia Tamayo, Julian David (144405626) (1745) | 0 | 85.70% | 1. d4 Nf6 2. c4 e6 3. Nf3 a6 | |
| 2026.06.28 | Round 4: Herrera Idarraga, Karen Alejandra - Munoz Triana, Joseph Steve | 4.12 | 2026.06.28 Munoz Triana, Joseph Steve (4481712) (2215) | 0 | 79.90% | 1. d4 Nf6 2. c4 e6 3. Nc3 d5 | |
| 2026.06.28 | Round 3: Alcala Leon, Daniel Alejandro - Herrera Idarraga, Karen Alejandra | 3.13 | 2026.06.28 Alcala Leon, Daniel Alejandro (144410050) (2023) | ½ | 87.70% | 1. e4 c5 2. Nf3 e6 3. c3 d5 | |
| 2026.06.28 | Round 2: Herrera Idarraga, Karen Alejandra - Camacho Galindo, Jonathan David | 2.17 | 2026.06.28 Camacho Galindo, Jonathan David (144430442) (1804) | 1 | 92.30% | 1. d4 d5 2. c4 c6 3. cxd5 cxd5 | |
| 2026.06.28 | Round 1: Figueroa Rincon, Cesar Fabian - Herrera Idarraga, Karen Alejandra | 1.13 | 2026.06.28 Figueroa Rincon, Cesar Fabian (144400748) (2086) | 1 | 88.30% | 1. e4 c5 2. c3 Nf6 3. e5 Nd5 | |
| 2026.06.27 | Round 1: Munoz Triana, Joseph Steve - Herrera Idarraga, Karen Alejandra | 1.9 | 2026.06.27 Munoz Triana, Joseph Steve (4481712) (2196) | 0 | 85.00% | 1. e4 c5 2. Nf3 e6 3. c4 Nc6 | |
| 2026.06.20 | Round 7: Sanabria Bello, Javier - Herrera Idarraga, Karen Alejandra | 7.10 | 2026.06.20 Sanabria Bello, Javier (144477716) (1630) | * | - | 1. d4 c5 2. Nf3 d5 3. e3 Nc6 | |
| 2026.06.20 | Round 6: Herrera Idarraga, Karen Alejandra - Pedraza Aldana, Alexandra | 6.13 | 2026.06.20 Pedraza Aldana, Alexandra (4486080) (1676) | 1 | 90.30% | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 | |
| 2026.06.20 | Round 5: Herrera Idarraga, Karen Alejandra - Ortega Leon, Jaime | 5.16 | 2026.06.20 Ortega Leon, Jaime (4435516) (1667) | 1 | 96.90% | 1. d4 d5 2. c4 e6 3. Nc3 Nc6 | |
| 2026.06.20 | Round 4: Cortes, Emanuel - Herrera Idarraga, Karen Alejandra | 4.12 | 2026.06.20 Cortes, Emanuel (175854) (1716) | 0 | 81.90% | 1. e4 c5 2. f4 e6 3. Nf3 d5 | |
| 2026.06.20 | Round 3: Valle, Efrain - Herrera Idarraga, Karen Alejandra | 3.2 | 2026.06.20 Valle, Efrain (4401387) (2107) | 0 | 80.60% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2026.06.20 | Round 2: Herrera Idarraga, Karen Alejandra - Salazar Zavala, Alexandra Valentina | 2.16 | 2026.06.20 Salazar Zavala, Alexandra Valentina (3986594) (1734) | 1 | 93.50% | 1. d4 Nf6 2. c4 c5 3. d5 g6 | |
| 2026.06.20 | Round 1: Herrera Idarraga, Karen Alejandra - Verdugo Silva, Felipe | 1.21 | 2026.06.20 Verdugo Silva, Felipe (144453264) (1543) | * | - | ||
| 2026.05.03 | Round 7: Herrera Idarraga, Karen Alejandra - Mena Cordoba, Yamil Octavio | 7.18 | 2026.05.03 Mena Cordoba, Yamil Octavio (4422376) (1868) | 1 | 95.40% | 1. d4 c5 2. d5 e6 3. c4 b5 | |
| 2026.05.03 | Round 6: Herrera Idarraga, Karen Alejandra - Esterling Galindo, Abby Gabriela | 6.24 | 2026.05.03 Esterling Galindo, Abby Gabriela (144452349) | 1 | 96.70% | 1. d4 d5 2. c4 Nf6 3. Nc3 e6 | |
| 2026.05.02 | Round 5: Ordonez Gonzalez, Gabriel - Herrera Idarraga, Karen Alejandra | 5.15 | 2026.05.02 Ordonez Gonzalez, Gabriel (4435400) (1881) | 0 | 87.80% | 1. d4 d5 2. Nf3 c5 3. c3 Nc6 | |
| 2026.05.02 | Round 4: Guevara Rincon, Cristian Camilo - Herrera Idarraga, Karen Alejandra | 4.15 | 2026.05.02 Guevara Rincon, Cristian Camilo (4483537) (1827) | 0 | - | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2026.05.02 | Round 2: Riscanevo Oicata, Reyes - Herrera Idarraga, Karen Alejandra | 2.21 | 2026.05.02 Riscanevo Oicata, Reyes (4427149) (1733) | 1 | - | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2026.05.01 | Round 3: Herrera Idarraga, Karen Alejandra - Dominguez Rincon, Miller Duvan | 3.9 | 2026.05.01 Dominguez Rincon, Miller Duvan (4406583) (2001) | 0 | 82.40% | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 | |
| 2026.03.01 | Round 9: Garcia Tabares, Sara Lucia - Herrera Idarraga, Karen Alejandra | 9.20 | 2026.03.01 Garcia Tabares, Sara Lucia (144452454) (1508) | 1 | 76.80% | 1. b3 e5 2. Bb2 Nc6 3. e3 a6 | |
| 2026.03.01 | Round 8: Mogollon Tobar, Nicolle Julieth - Herrera Idarraga, Karen Alejandra | 8.17 | 2026.03.01 Mogollon Tobar, Nicolle Julieth (4452194) (2109) | 0 | 80.50% | 1. Nf3 c5 2. g3 Nc6 3. Bg2 d5 | |
| 2026.02.28 | Round 7: Herrera Idarraga, Karen Alejandra - Luna Monsalve, Sofia | 7.18 | 2026.02.28 Luna Monsalve, Sofia (4486846) (1881) | 1 | - | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2026.02.28 | Round 6: Morales Perez, Ghisell - Herrera Idarraga, Karen Alejandra | 6.18 | 2026.02.28 Morales Perez, Ghisell (4497198) (1963) | 1 | - | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | |
| 2026.02.27 | Round 5: Herrera Idarraga, Karen Alejandra - Cupaban Alonso, Luciana | 5.20 | 2026.02.27 Cupaban Alonso, Luciana (144406533) (1743) | 1 | - | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2026.02.27 | Round 4: Solano Trillos, Thaliana - Herrera Idarraga, Karen Alejandra | 4.19 | 2026.02.27 Solano Trillos, Thaliana (144406207) (1814) | ½ | - | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2026.02.26 | Round 3: Herrera Idarraga, Karen Alejandra - Osma Abaunza, Maria Antonia | 3.23 | 2026.02.26 Osma Abaunza, Maria Antonia (144466188) (1514) | 1 | - | 1. d4 d5 2. c4 e6 3. Nc3 c5 | |
| 2026.02.26 | Round 2: Herrera Idarraga, Karen Alejandra - Acevedo Ramirez, Lizeth Dahiana | 2.22 | 2026.02.26 Acevedo Ramirez, Lizeth Dahiana (144424205) (1724) | 1 | - | 1. d4 d5 2. c4 e6 3. Nc3 a6 | |
| 2026.02.25 | Round 1: Agudelo Zapata, Yarli Alejandra - Herrera Idarraga, Karen Alejandra | 1.21 | 2026.02.25 Agudelo Zapata, Yarli Alejandra (4458222) (1868) | 0 | - | 1. d4 Nf6 2. Nf3 e6 3. g3 b6 | |
| 2026.01.18 | Round 7: Castro Lombana, Juan Pablo - Herrera Idarraga, Karen Alejandra | 7.2 | 2026.01.18 Castro Lombana, Juan Pablo (144402147) (2129) | * | - | 1. c4 c5 2. Nc3 Nc6 3. g3 g6 | |
| 2026.01.18 | Round 6: Herrera Idarraga, Karen Alejandra - Bejarano, Dany Andres | 6.8 | 2026.01.18 Bejarano, Dany Andres (4401700) (1934) | 1 | 98.40% | 1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 | |
| 2026.01.18 | Round 5: Herrera Idarraga, Karen Alejandra - Montilla Rodriguez, Camilo | 5.10 | 2026.01.18 Montilla Rodriguez, Camilo (144424590) (1803) | 1 | 89.40% | 1. d4 c6 2. c4 Nf6 3. Nc3 d5 | |
| 2026.01.18 | Round 4: Zuluaga Penagos, Gabriel - Herrera Idarraga, Karen Alejandra | 4.27 | 2026.01.18 Zuluaga Penagos, Gabriel (144439776) | 1 | - | 1. e4 c5 2. Nf3 Nc6 3. Nc3 e6 | |
| 2026.01.18 | Round 3: Herrera Idarraga, Karen Alejandra - Barrios Palacio, Marlon David | 3.29 | 2026.01.18 Barrios Palacio, Marlon David (144434774) | 1 | 81.40% | 1. d4 d5 2. c4 e6 3. Nf3 c5 | |
| 2026.01.18 | Round 2: Gonzalez Mojica, Renan Arturo - Herrera Idarraga, Karen Alejandra | 2.3 | 2026.01.18 Gonzalez Mojica, Renan Arturo (4482379) (2077) | 0 | 73.90% | 1. d4 Nf6 2. c4 e6 3. Nf3 b6 | |
| 2025.12.11 | Round 9: Bohm Roman, Martina Eloisa - Herrera Idarraga, Karen Alejandra | 9.41 | 2025.12.11 Bohm Roman, Martina Eloisa (3451984) (1580) | 1 | 77.90% | 1. d4 d5 2. Nc3 Nf6 3. Bf4 c5 | |
| 2025.12.10 | Round 8: Herrera Idarraga, Karen Alejandra - Melgarejo Suarez, Ariatna Valentina | 8.39 | 2025.12.10 Melgarejo Suarez, Ariatna Valentina (4443799) (1730) | 0 | 82.60% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.12.10 | Round 7: Posada Torres, Briggith - Herrera Idarraga, Karen Alejandra | 7.35 | 2025.12.10 Posada Torres, Briggith (144431236) (1834) | 0 | 90.20% | 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 | |
| 2025.12.09 | Round 6: Herrera Idarraga, Karen Alejandra - Fontecha Pastrana, Laura Sofia | 6.38 | 2025.12.09 Fontecha Pastrana, Laura Sofia (144407769) (1773) | 1 | 82.50% | 1. d4 d5 2. c4 c6 3. cxd5 cxd5 | |
| 2025.12.09 | Round 9: Zhunio Guaman, Sofia Morelia - Herrera Idarraga, Karen Alejandra | 9.20 | 2025.12.09 Zhunio Guaman, Sofia Morelia (3634817) (1673) | 1 | - | 1. d4 Nf6 2. c4 e6 3. Nc3 d5 | |
| 2025.12.09 | Round 8: Melgarejo Suarez, Ariatna Valentina - Herrera Idarraga, Karen Alejandra | 8.18 | 2025.12.09 Melgarejo Suarez, Ariatna Valentina (4443799) (1930) | * | 89.00% | 1. e4 c5 2. c3 Nf6 3. e5 Nd5 | |
| 2025.12.09 | Round 7: Herrera Idarraga, Karen Alejandra - Alvarado Quintero, Laura Natalia | 7.20 | 2025.12.09 Alvarado Quintero, Laura Natalia (4482514) (1801) | 1 | 80.70% | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 | |
| 2025.12.09 | Round 6: Brito Carrascal, Isabela - Herrera Idarraga, Karen Alejandra | 6.17 | 2025.12.09 Brito Carrascal, Isabela (4456122) (1856) | 0 | 77.70% | 1. c4 c5 2. Nc3 Nc6 3. g3 g6 | |
| 2025.12.08 | Round 5: Bravo Mora, Aidden Dennis - Herrera Idarraga, Karen Alejandra | 5.42 | 2025.12.08 Bravo Mora, Aidden Dennis (144436319) | 1 | 97.70% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2025.12.07 | Round 5: Herrera Idarraga, Karen Alejandra - Velarde Alarcon, Jhoana | 5.20 | 2025.12.07 Velarde Alarcon, Jhoana (3320103) (1843) | 0 | - | 1. d4 Nf6 2. c4 g6 3. Nc3 d5 | |
| 2025.12.07 | Round 4: Bravo Mora, Aidden Dennis - Herrera Idarraga, Karen Alejandra | 4.22 | 2025.12.07 Bravo Mora, Aidden Dennis (144436319) | 0 | - | 1. d4 d5 2. c4 c6 3. g3 Nf6 | |
| 2025.12.07 | Round 3: Herrera Idarraga, Karen Alejandra - Lopez Mahecha, Natalia | 3.20 | 2025.12.07 Lopez Mahecha, Natalia (4492471) (1847) | 0 | 84.20% | 1. e4 e5 2. Nc3 Nc6 3. Nf3 Nf6 | |
| 2025.12.07 | Round 2: Fontecha Pastrana, Laura Sofia - Herrera Idarraga, Karen Alejandra | 2.20 | 2025.12.07 Fontecha Pastrana, Laura Sofia (144407769) (1854) | 1 | 76.60% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2025.12.07 | Round 1: Herrera Idarraga, Karen Alejandra - Castiblanco Bautista, Dana Gabriela | 1.21 | 2025.12.07 Castiblanco Bautista, Dana Gabriela (144405588) (1589) | * | - | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 | |
| 2025.12.06 | Round 2: Herrera Idarraga, Karen Alejandra - Brito Carrascal, Isabela | 2.36 | 2025.12.06 Brito Carrascal, Isabela (4456122) (2053) | 0 | 85.20% | 1. e4 c5 2. c3 d5 3. exd5 Qxd5 | |
| 2025.12.06 | Round 1: Velarde Alarcon, Jhoana - Herrera Idarraga, Karen Alejandra | 1.35 | 2025.12.06 Velarde Alarcon, Jhoana (3320103) (1891) | ½ | 86.30% | 1. e4 c5 2. Nf3 e6 3. c4 Nc6 | |
| 2025.10.19 | Round 7: Rodriguez Sanchez, Diego Eduardo - Herrera Idarraga, Karen Alejandra | 7.8 | 2025.10.19 Rodriguez Sanchez, Diego Eduardo (4421230) (1982) | 0 | 87.60% | 1. d4 d5 2. Bf4 c5 3. e3 Nc6 | |
| 2025.10.19 | Round 6: Herrera Idarraga, Karen Alejandra - Santos Rios, Carlos Gabriel | 6.14 | 2025.10.19 Santos Rios, Carlos Gabriel (4497295) (1868) | 1 | 91.80% | 1. e4 c6 2. d4 d5 3. f3 dxe4 | |
| 2025.10.19 | Round 5: Tarazona Villamizar, Jose Rafael - Herrera Idarraga, Karen Alejandra | 5.21 | 2025.10.19 Tarazona Villamizar, Jose Rafael (144437269) (1479) | 1 | 76.60% | 1. e4 c5 2. c3 Nf6 3. e5 Nd5 | |
| 2025.10.19 | Round 4: Herrera Idarraga, Karen Alejandra - Lizarazo Camelo, Sara Alejandra | 4.20 | 2025.10.19 Lizarazo Camelo, Sara Alejandra (144406150) (1636) | ½ | 89.90% | 1. e4 c5 2. c3 d5 3. exd5 Qxd5 | |
| 2025.10.19 | Round 3: Valle, Efrain - Herrera Idarraga, Karen Alejandra | 3.4 | 2025.10.19 Valle, Efrain (4401387) (1993) | 0 | 79.90% | 1. e4 c5 2. Nc3 e6 3. Nf3 Nc6 | |
| 2025.10.19 | Round 2: Herrera Idarraga, Karen Alejandra - Acosta Neira, Jaime | 2.24 | 2025.10.19 Acosta Neira, Jaime (4431820) (1535) | 1 | 89.90% | 1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 | |
| 2025.10.19 | Round 1: Ocacionez Amortegui, Maria Camila - Herrera Idarraga, Karen Alejandra | 1.30 | 2025.10.19 Ocacionez Amortegui, Maria Camila (144456069) (1420) | 1 | 91.40% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | |
| 2025.07.13 | Round 9: Castiblanco Bautista, Dana Gabriela - Herrera Idarraga, Karen Alejandra | 9.26 | 2025.07.13 Castiblanco Bautista, Dana Gabriela (144405588) (1619) | 1 | 91.40% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2025.07.13 | Round 8: Fontecha Pastrana, Laura Sofia - Herrera Idarraga, Karen Alejandra | 8.26 | 2025.07.13 Fontecha Pastrana, Laura Sofia (144407769) (1691) | 1 | - | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2025.07.13 | Round 7: Herrera Idarraga, Karen Alejandra - Lopez Mahecha, Natalia | 7.25 | 2025.07.13 Lopez Mahecha, Natalia (4492471) (1722) | 0 | - | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | |
| 2025.07.13 | Round 6: Herrera Idarraga, Karen Alejandra - Melgarejo Suarez, Ariatna Valentina | 6.24 | 2025.07.13 Melgarejo Suarez, Ariatna Valentina (4443799) (1896) | 0 | - | 1. e4 c5 2. c3 d5 3. exd5 Qxd5 | |
| 2025.07.13 | Round 5: Cotrino Torres, Lineth Sofia - Herrera Idarraga, Karen Alejandra | 5.25 | 2025.07.13 Cotrino Torres, Lineth Sofia (144409338) (1613) | 1 | - | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2025.07.13 | Round 4: Herrera Idarraga, Karen Alejandra - Lara Aguirre, Maria Camila | 4.27 | 2025.07.13 Lara Aguirre, Maria Camila (4488164) (1708) | 1 | - | 1. e4 c5 2. Nf3 e6 3. d4 d5 | |
| 2025.07.13 | Round 3: Alvarado Quintero, Laura Natalia - Herrera Idarraga, Karen Alejandra | 3.26 | 2025.07.13 Alvarado Quintero, Laura Natalia (4482514) (1857) | 0 | - | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2025.07.13 | Round 2: Herrera Idarraga, Karen Alejandra - Diaz Bobadilla, Laura Juliana | 2.27 | 2025.07.13 Diaz Bobadilla, Laura Juliana (4488415) (1672) | 1 | 54.90% | 1. e4 c5 2. c3 e6 3. d4 d5 | |
| 2025.07.13 | Round 1: Yeomans Luna, Elsie Maribel - Herrera Idarraga, Karen Alejandra | 1.24 | 2025.07.13 Yeomans Luna, Elsie Maribel (144409648) (1665) | * | - | 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 | |
| 2025.07.12 | Round 6: Alvarado Quintero, Laura Natalia - Herrera Idarraga, Karen Alejandra | 6.23 | 2025.07.12 Alvarado Quintero, Laura Natalia (4482514) (1857) | 0 | 82.70% | 1. d4 d5 2. c4 dxc4 3. e3 e5 | |
| 2025.07.12 | Round 5: Fontecha Pastrana, Laura Sofia - Herrera Idarraga, Karen Alejandra | 5.24 | 2025.07.12 Fontecha Pastrana, Laura Sofia (144407769) (1691) | 1 | 96.90% | 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 | |
| 2025.07.12 | Round 4: Herrera Idarraga, Karen Alejandra - Lopez Mahecha, Natalia | 4.24 | 2025.07.12 Lopez Mahecha, Natalia (4492471) (1722) | 0 | 79.30% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | |
| 2025.07.12 | Round 3: Lara Aguirre, Maria Camila - Herrera Idarraga, Karen Alejandra | 3.23 | 2025.07.12 Lara Aguirre, Maria Camila (4488164) (1708) | 0 | 73.90% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2025.07.12 | Round 2: Herrera Idarraga, Karen Alejandra - Cotrino Torres, Lineth Sofia | 2.23 | 2025.07.12 Cotrino Torres, Lineth Sofia (144409338) (1613) | 1 | 92.50% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | |
| 2025.07.12 | Round 1: Yeomans Luna, Elsie Maribel - Herrera Idarraga, Karen Alejandra | 1.25 | 2025.07.12 Yeomans Luna, Elsie Maribel (144409648) (1665) | 1 | 87.30% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2025.05.24 | Round 6: Velez Alvarez, Laura Camila - Herrera Idarraga, Karen Alejandra | 6.10 | 2025.05.24 Velez Alvarez, Laura Camila (4414896) (1856) | 0 | 85.70% | 1. Nf3 d5 2. g3 Nc6 3. d4 Bg4 | |
| 2025.05.23 | Round 5: Herrera Idarraga, Karen Alejandra - Fontecha Pastrana, Laura Sofia | 5.10 | 2025.05.23 Fontecha Pastrana, Laura Sofia (144407769) (1623) | 1 | 98.00% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | |
| 2025.05.23 | Round 4: Herrera Idarraga, Karen Alejandra - Quinonez, Constanza | 4.11 | 2025.05.23 Quinonez, Constanza (4426703) (1854) | 1 | 83.50% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.05.22 | Round 3: Pedraza Aldana, Alexandra - Herrera Idarraga, Karen Alejandra | 3.9 | 2025.05.22 Pedraza Aldana, Alexandra (4486080) (1710) | 0 | 75.50% | 1. e4 c5 2. Nf3 Nc6 3. c3 Nf6 | |
| 2025.05.22 | Round 2: Leguizamo Cortes, Laura Juliana - Herrera Idarraga, Karen Alejandra | 2.11 | 2025.05.22 Leguizamo Cortes, Laura Juliana (144403186) (1742) | 1 | 95.40% | 1. c4 e5 2. g3 c6 3. Bg2 Nf6 | |
| 2025.04.14 | Round 1: Herrera Idarraga, Karen Alejandra - Perez Hernandez, Vicmary C. | 1.24 | 2025.04.14 Perez Hernandez, Vicmary C. (3930831) (1984) | 0 | 75.20% | 1. e4 c5 2. c3 d5 3. exd5 Qxd5 | |
| 2025.02.02 | Round 9: Herrera Idarraga, Karen Alejandra - Leguizamo Cortes, Laura Juliana | 9.10 | 2025.02.02 Leguizamo Cortes, Laura Juliana (144403186) (1615) | 1 | 96.90% | 1. e4 c5 2. c3 d6 3. d4 Nf6 | |
| 2025.02.02 | Round 8: Lopez Rayo, Isabella - Herrera Idarraga, Karen Alejandra | 8.2 | 2025.02.02 Lopez Rayo, Isabella (4452755) (2050) | 0 | 87.10% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2025.02.01 | Round 7: Brito Carrascal, Isabela - Herrera Idarraga, Karen Alejandra | 7.55 | 2025.02.01 Brito Carrascal, Isabela (4456122) (1861) | 0 | 77.40% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2025.02.01 | Round 6: Herrera Idarraga, Karen Alejandra - Valencia Quinchia, Isabella | 6.53 | 2025.02.01 Valencia Quinchia, Isabella (4496302) (1865) | ½ | 85.80% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2025.01.31 | Round 5: Herrera Idarraga, Karen Alejandra - Suarez Ardila, Luisa Maria | 5.52 | 2025.01.31 Suarez Ardila, Luisa Maria (4452216) (1830) | 0 | 76.60% | 1. e4 c5 2. c3 d5 3. exd5 Qxd5 | |
| 2025.01.31 | Round 4: Pinilla Rozo, Maria Alejandra - Herrera Idarraga, Karen Alejandra | 4.53 | 2025.01.31 Pinilla Rozo, Maria Alejandra (4497597) (1652) | 1 | 91.90% | 1. d4 d5 2. c4 e6 3. Nf3 c6 | |
| 2025.01.30 | Round 3: Luna Monsalve, Sofia - Herrera Idarraga, Karen Alejandra | 3.55 | 2025.01.30 Luna Monsalve, Sofia (4486846) (1840) | 1 | 94.50% | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 | |
| 2025.01.29 | Round 1: Herrera Idarraga, Karen Alejandra - Contreras Salcedo, Evelyn Daniela | 1.16 | 2025.01.29 Contreras Salcedo, Evelyn Daniela (144421311) | 1 | 98.70% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | |
| 2024.12.05 | Round 2: Mena Cordoba, Yamil Octavio - Herrera Idarraga, Karen Alejandra | 2.31 | 2024.12.05 Mena Cordoba, Yamil Octavio (4422376) (1884) | 0 | 81.80% | 1. d4 d5 2. c4 e6 3. Nf3 a6 | |
| 2024.12.04 | Round 1: Herrera Idarraga, Karen Alejandra - Rua, Nora | 1.24 | 2024.12.04 Rua Palacio, Nora (4401930) (1971) | 1 | 79.80% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | |
| 2024.11.25 | Round 12: Alvarado Quintero, Laura Natalia - Herrera Idarraga, Karen Alejandra | 12.2 | 2024.11.25 Alvarado Quintero, Laura Natalia (4482514) (1792) | 0 | 55.00% | 1. d4 d5 2. Bf4 Nf6 3. Nf3 e6 | |
| 2024.11.25 | Round 11: Herrera Idarraga, Karen Alejandra - Alvarado Quintero, Laura Natalia | 11.2 | 2024.11.25 Alvarado Quintero, Laura Natalia (4482514) (1792) | 1 | 99.50% | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 | |
| 2024.11.25 | Round 10: Herrera Idarraga, Karen Alejandra - Cabrales Almanza, Isabela Jireth | 10.2 | 2024.11.25 Cabrales Almanza, Isabela Jireth (4497180) (1606) | 0 | 67.80% | 1. e4 c5 2. c3 d5 3. exd5 Qxd5 | |
| 2024.11.25 | Round 9: Cabrales Almanza, Isabela Jireth - Herrera Idarraga, Karen Alejandra | 9.2 | 2024.11.25 Cabrales Almanza, Isabela Jireth (4497180) (1606) | 0 | 82.90% | 1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nxe4 | |
| 2024.11.25 | Round 5: Herrera Idarraga, Karen Alejandra - Tamara Zedan, Maria Camila | 5.1 | 2024.11.25 Tamara Zedan, Maria Camila (144421710) (1635) | 1 | 93.40% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 d6 | |
| 2024.11.25 | Round 3: Herrera Idarraga, Karen Alejandra - Vergara Canchila, Dariana | 3.3 | 2024.11.25 Vergara Canchila, Dariana (144404247) (1511) | 1 | 76.20% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Bb4 | |
| 2024.11.25 | Round 8: Yatacue Perdomo, Ciara Marcela - Herrera Idarraga, Karen Alejandra | 8.3 | 2024.11.25 Yatacue Perdomo, Ciara Marcela (4479696) (1584) | 1 | 76.20% | 1. d4 d5 2. Bf4 h5 3. h3 Nf6 | |
| 2024.11.25 | Round 7: Herrera Idarraga, Karen Alejandra - Yatacue Perdomo, Ciara Marcela | 7.3 | 2024.11.25 Yatacue Perdomo, Ciara Marcela (4479696) (1584) | 1 | 80.70% | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | |
| 2024.11.25 | Round 4: Vergara Canchila, Dariana - Herrera Idarraga, Karen Alejandra | 4.3 | 2024.11.25 Vergara Canchila, Dariana (144404247) (1511) | 1 | 90.20% | 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 | |
| 2024.11.25 | Round 2: Herrera Idarraga, Karen Alejandra - Nino Brito, Rosaureli Cecilia | 2.6 | 2024.11.25 Nino Brito, Rosaureli Cecilia (144424272) | 1 | 97.60% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | |
| 2024.11.25 | Round 1: Nino Brito, Rosaureli Cecilia - Herrera Idarraga, Karen Alejandra | 1.6 | 2024.11.25 Nino Brito, Rosaureli Cecilia (144424272) | 1 | 91.20% | 1. e4 e5 2. Nf3 Nf6 3. Bc4 Nc6 | |
| 2024.11.25 | Round 6: Agudelo Zapata, Yarli Alejandra - Herrera Idarraga, Karen Alejandra | 6.2 | 2024.11.25 Agudelo Zapata, Yarli Alejandra (4458222) (1730) | 0 | 86.50% | 1. d4 d5 2. Nf3 Nf6 3. g3 e6 | |
| 2024.11.25 | Round 5: Estrada Diaz, Laura Andrea - Herrera Idarraga, Karen Alejandra | 5.3 | 2024.11.25 Estrada Diaz, Laura Andrea (144400721) (1584) | 1 | 77.00% | 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 | |
| 2024.11.25 | Round 4: Herrera Idarraga, Karen Alejandra - Cardona, Marisol | 4.5 | 2024.11.25 Cardona, Marisol (4489306) (1542) | 1 | 86.30% | 1. e4 c5 2. c3 e6 3. d4 d5 | |
| 2024.11.24 | Round 3: Pantoja Pantoja, Anyel Stefani - Herrera Idarraga, Karen Alejandra | 3.6 | 2024.11.24 Pantoja Pantoja, Anyel Stefani (144450230) | 1 | 96.90% | 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 | |
| 2024.11.24 | Round 2: Herrera Idarraga, Karen Alejandra - Lara Aguirre, Maria Camila | 2.1 | 2024.11.24 Lara Aguirre, Maria Camila (4488164) (1648) | 0 | 83.90% | 1. e4 c5 2. c3 d5 3. exd5 Qxd5 | |
| 2024.11.24 | Round 1: Herrera Idarraga, Karen Alejandra - Araque Plazas, Ana Yolanda | 1.9 | 2024.11.24 Araque Plazas, Ana Yolanda (144450290) | 1 | 96.30% | 1. e4 c5 2. c3 d6 3. d4 cxd4 | |
| 2024.11.24 | Round 7: Herrera Idarraga, Karen Alejandra - Agudelo Zapata, Yarli Alejandra | 7.4 | 2024.11.24 Agudelo Zapata, Yarli Alejandra (4458222) (1718) | 0 | 67.30% | 1. e4 c5 2. c3 Nf6 3. e5 Nd5 | |
| 2024.11.23 | Round 6: Tamara Zedan, Maria Camila - Herrera Idarraga, Karen Alejandra | 6.1 | 2024.11.23 Tamara Zedan, Maria Camila (144421710) (1635) | 0 | 81.20% | 1. d4 d5 2. Nf3 Nf6 3. e3 e6 | |
| 2024.11.23 | Round 6: Cabrales Almanza, Isabela Jireth - Herrera Idarraga, Karen Alejandra | 6.2 | 2024.11.23 Cabrales Almanza, Isabela Jireth (4497180) (1556) | 0 | 80.10% | 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 | |
| 2024.11.23 | Round 5: Herrera Idarraga, Karen Alejandra - Lara Aguirre, Maria Camila | 5.1 | 2024.11.23 Lara Aguirre, Maria Camila (4488164) (1742) | 0 | 90.50% | 1. d4 d5 2. Nf3 Nf6 3. e3 c5 | |
| 2024.11.22 | Round 4: Herrera Idarraga, Karen Alejandra - Gomez Araque, Laura Sofia | 4.1 | 2024.11.22 Gomez Araque, Laura Sofia (4463480) (1688) | 1 | 84.00% | 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 | |
| 2024.11.22 | Round 3: Trujillo Infante, Ines Maria - Herrera Idarraga, Karen Alejandra | 3.1 | 2024.11.22 Trujillo Infante, Ines Maria (144417136) (1682) | 1 | 94.90% | 1. c4 e5 2. Nc3 Nf6 3. Nf3 c6 | |
| 2024.11.21 | Round 2: Galindez Guerrero, Tania Isabela - Herrera Idarraga, Karen Alejandra | 2.4 | 2024.11.21 Galindez Guerrero, Tania Isabela (4460839) (1682) | 1 | 94.00% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2024.11.21 | Round 1: Herrera Idarraga, Karen Alejandra - Marlen Yulisa Chala Rivas | 1.9 | 2024.11.21 Marlen Yulisa Chala Rivas | 1 | 95.40% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Bc5 | |
| 2024.11.11 | Round 5: Herrera Idarraga, Karen Alejandra - Lopez Rayo, Isabella | 5.6 | 2024.11.11 Lopez Rayo, Isabella (4452755) (1974) | 0 | 75.50% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | |
| 2024.11.10 | Round 1: Herrera Idarraga, Karen Alejandra - Moncada Correa, Sara | 1.5 | 2024.11.10 Moncada Correa, Sara (4460642) (2068) | 0 | 90.20% | 1. e4 c6 2. c4 d5 3. exd5 cxd5 | |
| 2024.11.07 | Round 1: Herrera Idarraga, Karen Alejandra - Moncada Correa, Sara | 1.2 | 2024.11.07 Moncada Correa, Sara (4460642) (2068) | 0 | 82.40% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | |
| 2024.10.30 | Round 6: Herrera Idarraga, Karen Alejandra - Saravia Delgadillo, Sara Sofia | 6.42 | 2024.10.30 Saravia Delgadillo, Sara Sofia (144424299) (1602) | 1 | 95.10% | 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 | |
| 2024.10.30 | Round 5: Karen Sofia Betancourt Jerez - Herrera Idarraga, Karen Alejandra | 5.43 | 2024.10.30 Karen Sofia Betancourt Jerez | * | 40.10% | 1. e4 Nc6 2. Nf3 Nf6 3. Bb5 a6 | |
| 2024.10.30 | Round 6: Herrera Idarraga, Karen Alejandra - Dana Valentina Cotame Pulido | 6.43 | 2024.10.30 Dana Valentina Cotame Pulido | 1 | 96.30% | 1. e4 e6 2. d4 c5 3. d5 exd5 | |
| 2024.10.30 | Round 5: Yenelis Paola Cardozo Navas - Herrera Idarraga, Karen Alejandra | 5.43 | 2024.10.30 Yenelis Paola Cardozo Navas | 1 | 90.10% | 1. e4 e5 2. f4 d6 3. Nf3 Nc6 | |
| 2024.10.29 | Round 3: Herrera Idarraga, Karen Alejandra - Alejandra Cruz Piñeros | 3.41 | 2024.10.29 Alejandra Cruz Piñeros | 1 | 100.00% | 1. e4 c6 2. d4 g5 3. Bxg5 e6 | |
| 2024.09.22 | Round 7: Herrera Idarraga, Karen Alejandra - Madrigal Montagutt, Anthony Steve | 9.34 | 2024.09.22 Madrigal Montagutt, Anthony Steve (144430370) (1804) | * | 86.80% | 1. e4 e6 2. d4 d5 3. Nc3 dxe4 | |
| 2024.09.21 | Round 5: Herrera Idarraga, Karen Alejandra - Sanjuan Navarro, Carlos | 7.41 | 2024.09.21 Sanjuan Navarro, Carlos (4414675) (1819) | ½ | 93.80% | 1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 | |
| 2024.09.21 | Round 4: Murcia Molina, Manuel Hernando - Herrera Idarraga, Karen Alejandra | 6.47 | 2024.09.21 Murcia Molina, Manuel Hernando (4490053) (1816) | 1 | 97.00% | 1. Nf3 d5 2. d4 e6 3. c4 c6 | |
| 2024.09.19 | Round 1: Herrera Idarraga, Karen Alejandra - Guerra, Alvaro | 3.40 | 2024.09.19 Guerra, Alvaro (4440366) (1889) | 0 | 65.30% | 1. e4 c5 2. c3 g6 3. d4 cxd4 | |
| 2024.07.14 | Round 7: Herrera Idarraga, Karen Alejandra - Susunaga Duran, Madelen Fernanda | 7.5 | 2024.07.14 Susunaga Duran, Madelen Fernanda (4488067) (1617) | 1 | 90.90% | 1. e4 e6 2. d4 d5 3. exd5 exd5 | |
| 2024.07.14 | Round 6: Diaz Bobadilla, Laura Juliana - Herrera Idarraga, Karen Alejandra | 6.3 | 2024.07.14 Diaz Bobadilla, Laura Juliana (4488415) (1580) | 0 | 62.10% | 1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 | |
| 2024.07.13 | Round 5: Agudelo Zapata, Yarli Alejandra - Herrera Idarraga, Karen Alejandra | 5.2 | 2024.07.13 Agudelo Zapata, Yarli Alejandra (4458222) (1800) | 0 | 92.50% | 1. d4 d5 2. Nf3 e6 3. g3 c6 | |
| 2024.07.13 | Round 4: Herrera Idarraga, Karen Alejandra - Lopez Mahecha, Natalia | 4.2 | 2024.07.13 Lopez Mahecha, Natalia (4492471) (1675) | 1 | 96.20% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | |
| 2024.07.12 | Round 2: Melgarejo Suarez, Ariatna Valentina - Herrera Idarraga, Karen Alejandra | 2.3 | 2024.07.12 Melgarejo Suarez, Ariatna Valentina (4443799) (1729) | 1 | 94.50% | 1. e4 c5 2. c3 Nf6 3. e5 Nd5 | |
| 2024.07.11 | Round 3: Herrera Idarraga, Karen Alejandra - Valencia Lopez, Greissy Sofia | 3.1 | 2024.07.11 Valencia Lopez, Greissy Sofia (4449304) (1799) | 0 | 82.10% | 1. e4 c5 2. c3 d5 3. exd5 Qxd5 | |
| 2024.07.11 | Round 1: Herrera Idarraga, Karen Alejandra - Lara Aguirre, Maria Camila | 1.6 | 2024.07.11 Lara Aguirre, Maria Camila (4488164) (1700) | 1 | 92.50% | 1. e4 c5 2. c3 Nf6 3. e5 Nd5 | |
| 2024.06.09 | Round 12: Herrera Idarraga, Karen Alejandra - Rivera Burgos, Aura Daniela | 2024.06.09 Rivera Burgos, Aura Daniela (144404379) (1499) | 0 | 74.50% | 1. e4 c5 2. c3 Nc6 3. d4 e6 | ||
| 2024.06.09 | Round 11: Rivera Burgos, Aura Daniela - Herrera Idarraga, Karen Alejandra | 2024.06.09 Rivera Burgos, Aura Daniela (144404379) (1499) | 1 | 72.70% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | ||
| 2024.06.09 | Round 10: Valencia Quinchia, Isabella - Herrera Idarraga, Karen Alejandra | 2024.06.09 Valencia Quinchia, Isabella (4496302) (1783) | 0 | 89.90% | 1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nxe4 | ||
| 2024.06.09 | Round 9: Herrera Idarraga, Karen Alejandra - Valencia Quinchia, Isabella | 2024.06.09 Valencia Quinchia, Isabella (4496302) (1783) | 0 | 75.00% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | ||
| 2024.06.09 | Round 8: Lara Aguirre, Maria Camila - Herrera Idarraga, Karen Alejandra | 2024.06.09 Lara Aguirre, Maria Camila (4488164) (1641) | 0 | 86.30% | 1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nxe4 | ||
| 2024.06.09 | Round 7: Herrera Idarraga, Karen Alejandra - Lara Aguirre, Maria Camila | 2024.06.09 Lara Aguirre, Maria Camila (4488164) (1641) | 1 | 87.90% | 1. e4 c5 2. c3 Nf6 3. e5 Nd5 | ||
| 2024.06.09 | Round 6: Herrera Idarraga, Karen Alejandra - Tamara Zedan, Maria Camila | 2024.06.09 Tamara Zedan, Maria Camila (144421710) (1668) | 1 | 92.40% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 d6 | ||
| 2024.06.09 | Round 5: Tamara Zedan, Maria Camila - Herrera Idarraga, Karen Alejandra | 2024.06.09 Tamara Zedan, Maria Camila (144421710) (1668) | 0 | 60.80% | 1. d4 d5 2. Nf3 Nc6 3. e3 Bg4 | ||
| 2024.06.09 | Round 4: Herrera Idarraga, Karen Alejandra - Suarez Ardila, Luisa Maria | 2024.06.09 Suarez Ardila, Luisa Maria (4452216) (1807) | 1 | 65.60% | 1. d4 g6 2. Nc3 Bg7 3. e4 d6 | ||
| 2024.06.09 | Round 3: Suarez Ardila, Luisa Maria - Herrera Idarraga, Karen Alejandra | 2024.06.09 Suarez Ardila, Luisa Maria (4452216) (1807) | 0 | 73.10% | 1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nxe4 | ||
| 2024.06.09 | Round 2: Herrera Idarraga, Karen Alejandra - Alvarez Fuentes, Lina Fernanda | 2024.06.09 Alvarez Fuentes, Lina Fernanda (144407149) | 1 | 81.20% | 1. e4 e5 2. Nf3 b6 3. Nc3 d6 | ||
| 2024.06.09 | Round 1: Alvarez Fuentes, Lina Fernanda - Herrera Idarraga, Karen Alejandra | 2024.06.09 Alvarez Fuentes, Lina Fernanda (144407149) | 1 | 92.10% | 1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 | ||
| 2024.06.09 | Round 6: Herrera Idarraga, Karen Alejandra - Lara Aguirre, Maria Camila | 2024.06.09 Lara Aguirre, Maria Camila (4488164) (1625) | 1 | 79.90% | 1. e4 c5 2. c3 Nf6 3. e5 Nd5 | ||
| 2024.06.09 | Round 5: Laura Sofia Narvaez Manso - Herrera Idarraga, Karen Alejandra | 2024.06.09 Narvaez Manso, Laura Sofia (144440235) | 1 | 93.90% | 1. d4 d5 2. Nc3 Nc6 3. Bf4 a6 | ||
| 2024.06.09 | Round 4: Herrera Idarraga, Karen Alejandra - Emelys Sindy Garavito Alvarez | 2024.06.09 Garavito Alvarez, Emelys Sindy (144440219) | 1 | 85.50% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | ||
| 2024.06.08 | Round 3: Tamara Zedan, Maria Camila - Herrera Idarraga, Karen Alejandra | 2024.06.08 Tamara Zedan, Maria Camila (144421710) (1675) | 0 | 88.70% | 1. d4 d5 2. Nf3 Bg4 3. e3 Nf6 | ||
| 2024.06.08 | Round 2: Herrera Idarraga, Karen Alejandra - Mogollon Tobar, Nicolle Julieth | 2024.06.08 Mogollon Tobar, Nicolle Julieth (4452194) (1987) | 0 | 88.60% | 1. e4 Nf6 2. e5 Nd5 3. d4 d6 | ||
| 2024.06.08 | Round 1: Alvarez Fuentes, Lina Fernanda - Herrera Idarraga, Karen Alejandra | 2024.06.08 Alvarez Fuentes, Lina Fernanda (144407149) | 1 | 94.30% | 1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 | ||
| 2024.06.08 | Round 7: Herrera Idarraga, Karen Alejandra - Suarez Ardila, Luisa Maria | 2024.06.08 Suarez Ardila, Luisa Maria (4452216) (1857) | 1 | 87.20% | 1. d4 g6 2. Nc3 Bg7 3. e4 d6 | ||
| 2024.06.07 | Round 6: Samboni, Luisa Fernanda - Herrera Idarraga, Karen Alejandra | 2024.06.07 Samboni Giron, Luisa Fernanda (144432194) | 1 | 95.70% | 1. d4 d5 2. c4 e6 3. Nc3 c5 | ||
| 2024.06.07 | Round 5: Herrera Idarraga, Karen Alejandra - Galindez Guerrero, Tania Isabela | 2024.06.07 Galindez Guerrero, Tania Isabela (4460839) (1617) | 1 | 90.10% | 1. e4 c5 2. c3 Nf6 3. e5 Nd5 | ||
| 2024.06.06 | Round 4: Agudelo Zapata, Yarli Alejandra - Herrera Idarraga, Karen Alejandra | 2024.06.06 Agudelo Zapata, Yarli Alejandra (4458222) (1817) | 0 | 90.00% | 1. d4 d5 2. Nf3 Nc6 3. g3 Bf5 | ||
| 2024.06.06 | Round 3: Herrera Idarraga, Karen Alejandra - Pena Carrasco, Deiyi Carolina | 2024.06.06 Pena Carrasco, Deiyi Carolina (144421702) | 1 | 88.70% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | ||
| 2024.06.05 | Round 2: Bonilla Barreiro, Maria Jose - Herrera Idarraga, Karen Alejandra | 2024.06.05 Bonilla Barreiro, Maria Jose (4472659) (1753) | 0 | 87.40% | 1. e4 e5 2. Bc4 Nf6 3. d3 c6 | ||
| 2024.06.05 | Round 1: Herrera Idarraga, Karen Alejandra - Karen Daniela Giron Bravo | 2024.06.05 Karen Daniela Giron Bravo | 1 | 71.70% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | ||
| Round 7: Suarez Aldana, Eduard Davis - Herrera Idarraga, Karen Alejandra | 7.19 | Suarez Aldana, Eduard Davis (4484126) (1745) | 1 | - | 1. e4 g6 2. Nf3 Bg7 3. d4 d6 | ||
| Round 6: Herrera Idarraga, Karen Alejandra - Castillo, Samir | 6.19 | Castillo, Samir (22797530) (1784) | * | - | 1. e4 e5 2. Nf3 Nf6 3. Bc4 Nxe4 | ||
| Round 5: Herrera Idarraga, Karen Alejandra - Ruiz Cruz, Cesar Augusto | 5.20 | Ruiz Cruz, Cesar Augusto (4427173) (1735) | * | - | 1. e4 Nc6 2. Bc4 Nb8 | ||
| Round 4: Gabriel Francisco Puentes Espejo - Herrera Idarraga, Karen Alejandra | 4.22 | Gabriel Francisco Puentes Espejo | 0 | - | 1. e4 g6 2. Nf3 Bg7 3. d4 e6 | ||
| Round 3: Herrera Idarraga, Karen Alejandra - Gabriel Fernado Zapata Vasquez | 3.24 | Gabriel Fernado Zapata Vasquez | 0 | 80.40% | 1. d4 e6 2. Bf4 c5 3. c3 cxd4 | ||
| Round 2: Francisco Javier Salazar Castelblanco - Herrera Idarraga, Karen Alejandra | 2.27 | Francisco Javier Salazar Castelblanco | 1 | 83.30% | 1. e4 e5 2. Nf3 d6 3. d4 exd4 | ||
| Round 1: Herrera Idarraga, Karen Alejandra - Martinez, Libnaim Celeste | 1.40 | Martinez, Libnaim Celeste (3912353) | 1 | 90.10% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 |