Prepare against Sonia Zepeda
WIM · SLV · World #22,945 classical · FIDE ID 6700241
When preparing against Sonia Zepeda, expect 1.e4 in 99% of White games. Against 1.e4 the reply is 1...c5 (87% of games); against 1.d4, 1...d5 (91%). Lowest win rate among frequent openings: Sicilian as Black, 31.4% over 35 games.
Our database contains 176 games by Sonia Zepeda, covering Apr 2003 to Sep 2026. Below you'll find Sonia Zepeda's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Sonia Zepeda 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 | 2,034 | 2,136 | Nov 2009 |
| Rapid | 2,037 | 2,073 | Apr 2026 |
| Blitz | 2,021 | 2,083 | Feb 2020 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 176 | 62 | 48 | 65 | 35.2% |
| As White | 83 | 37 | 24 | 22 | 44.6% |
| As Black | 93 | 25 | 24 | 43 | 26.9% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Sonia Zepeda's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Sonia Zepeda's side.
First moves as White (83 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 82 | 98.8% | 58.5% |
| d4 | 1 | 1.2% | 100.0% |
Main lines as White
- 1.e4 — 99% of White games, 58.5% score
- …c5 (46% of these games) — Zepeda usually continues Nf3 (60.0% score)
- …e5 (20% of these games) — Zepeda usually continues Bc4 (57.7% score)
- …e6 (13% of these games) — Zepeda usually continues d3 (66.7% score)
- 1.d4 — 1% of White games, 100.0% score
- …d5 (100% of these games) — Zepeda usually continues Nc3 (100.0% score)
As Black against 1.e4 (60 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 52 | 86.7% | 39.4% |
| d5 | 7 | 11.7% | 35.7% |
| Nf6 | 1 | 1.7% | 0.0% |
As Black against 1.d4 (22 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 20 | 90.9% | 40.0% |
| f5 | 2 | 9.1% | 25.0% |
Sonia Zepeda's chess games
All 176 games by Sonia Zepeda in the Chess.ceo database (Apr 2003 - Sep 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: 62 wins, 48 draws, 65 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B20 | Sicilian | 21 | 7/5/9 | 33.3% |
| C54 | Bishop's Opening | 12 | 6/1/5 | 50.0% |
| B90 | Sicilian: Najdorf | 8 | 7/1/0 | 87.5% |
| C00 | King's Indian Attack | 6 | 3/2/1 | 50.0% |
| B01 | Scandinavian Defense: Main Line | 4 | 1/2/1 | 25.0% |
| B12 | Caro-Kann: Advance Variation | 4 | 1/3/0 | 25.0% |
| C01 | French: Exchange Variation | 4 | 0/2/2 | 0.0% |
| B78 | Sicilian: Dragon | 3 | 1/2/0 | 33.3% |
| B00 | Pirc Defense | 3 | 1/1/1 | 33.3% |
| B38 | Sicilian: Accelerated Dragon | 3 | 2/1/0 | 66.7% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B57 | Sicilian | 35 | 11/8/16 | 31.4% |
| B30 | Sicilian: Rossolimo | 8 | 1/1/6 | 12.5% |
| B26 | Sicilian: Closed | 7 | 2/2/3 | 28.6% |
| B01 | Scandinavian Defense: Main Line | 7 | 2/1/4 | 28.6% |
| D31 | Semi-Slav Defense | 7 | 1/3/3 | 14.3% |
| D45 | Slav Defense | 5 | 1/2/2 | 20.0% |
| D02 | Queen's Pawn Game | 5 | 3/1/1 | 60.0% |
| A30 | English Opening: Symmetrical | 4 | 1/2/0 | 25.0% |
| A80 | Dutch Defense | 2 | 0/1/1 | 0.0% |
| A13 | English Opening | 2 | 0/1/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jun 2010 | Carlos E Mena Crespo | 2,337 | 45th Capablanca Memorial Open | B90 |
| Jun 2010 | Eduardo Jesus Mendez Fortes | 2,310 | 45th Capablanca Memorial Open | B90 |
| Nov 2011 | Raul Junior Barros | 2,263 | 1st Panama Open | B41 |
| Mar 2009 | Ricardo Hugo Sosa | 2,220 | 10th Dos Hermanas Internet qual-A | D45 |
| Dec 2005 | Ruben Dario Contreras Medina | 2,196 | 18th Carlos Torre Memorial Open | B38 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Olympiad Women-34 | 2000 | 14 | 7 | 2,113 |
| Santo Domingo zt 2.3 w | 2007 | 13 | 6.5 | 2,138 |
| 4th American Continental w | 2007 | 11 | 5 | 2,055 |
| 33rd Olympiad Women | 1998 | 11 | 6 | 2,126 |
| Olympiad Women-38 | 2008 | 11 | 6.5 | 2,095 |
| 46th FIDE Chess Olympiad Samarkand 2026 | Women | Matches 1-25 | 2026 | 10 | 5.5 | 1,966 |
| 45th Capablanca Memorial Open | 2010 | 10 | 3 | 2,148 |
| San Salvador Open | 2003 | 9 | 5 | 2,302 |
Interactive opening tree from all 176 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Sonia Zepeda's chess games?
176 games by Sonia Zepeda, from Apr 2003 to Sep 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 Sonia Zepeda has played.
What does Sonia Zepeda play on the first move as White?
Across 83 games with White in our database, Sonia Zepeda opens with 1.e4 (99% of games), 1.d4 (1% of games). Against 1.e4 as Black, Sonia Zepeda answers 1...c5 (87% of games), 1...d5 (12% of games), 1...Nf6 (2% of games). Against 1.d4: 1...d5 (91% of games), 1...f5 (9% of games).
What openings does Sonia Zepeda play as White?
As White, Sonia Zepeda's most-played openings in our database are: Sicilian (21 games, 33.3% win rate); Bishop's Opening (12 games, 50.0% win rate); Sicilian: Najdorf (8 games, 87.5% win rate). The full breakdown of 83 games with White is in the table above.
What openings does Sonia Zepeda play as Black?
As Black, Sonia Zepeda most often plays: Sicilian (35 games, 31.4% win rate); Sicilian: Rossolimo (8 games, 12.5% win rate); Sicilian: Closed (7 games, 28.6% win rate). See the table above for the top ten Black openings across 93 games.
What is Sonia Zepeda's FIDE rating?
Sonia Zepeda is currently rated 2,034 in classical chess, 2,037 in rapid and 2,021 in blitz. Peak classical rating: 2,136 (Nov 2009).
How many games has Sonia Zepeda played?
Our database contains 176 games by Sonia Zepeda, covering Apr 2003 to Sep 2026. Overall record: 62 wins, 48 draws, 65 losses (35.2% win rate).
How do I prepare against Sonia Zepeda?
176 games by Sonia Zepeda 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.