Prepare against Alejandro Castillo Sanjuan
Spain · World #15,286 classical · FIDE ID 22220488
Our database contains 78 games by Alejandro Castillo Sanjuan, covering Apr 2007 to Aug 2026. Below you'll find Alejandro Castillo Sanjuan's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Alejandro Castillo Sanjuan 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 | 2,103 | 2,103 | Aug 2026 |
| Rapid | 2,099 | 2,099 | Aug 2026 |
| Blitz | 2,015 | 2,074 | May 2017 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 78 | 29 | 14 | 35 | 37.2% |
| As White | 38 | 16 | 4 | 18 | 42.1% |
| As Black | 40 | 13 | 10 | 17 | 32.5% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Alejandro Castillo Sanjuan's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Alejandro Castillo Sanjuan's side.
First moves as White (36 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 22 | 61.1% | 52.3% |
| d4 | 13 | 36.1% | 50.0% |
| g3 | 1 | 2.8% | 0.0% |
Main lines as White
- 1.e4 — 61% of White games, 52.3% score
- …c5 (36% of these games) — Sanjuan usually continues Nc3 (57.1% score)
- …c6 (23% of these games) — Sanjuan usually continues d4 (66.7% score)
- …e6 (14% of these games) — Sanjuan usually continues d4 (50.0% score)
- 1.d4 — 36% of White games, 50.0% score
- …Nf6 (85% of these games) — Sanjuan usually continues c4 (50.0% score)
- …d5 (15% of these games) — Sanjuan usually continues c4 (100.0% score)
As Black against 1.e4 (14 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 14 | 100.0% | 60.7% |
As Black against 1.d4 (13 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 11 | 84.6% | 40.9% |
| e6 | 1 | 7.7% | 0.0% |
| f5 | 1 | 7.7% | 100.0% |
Alejandro Castillo Sanjuan's chess games
All 78 games by Alejandro Castillo Sanjuan in the Chess.ceo database (Apr 2007 - 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: 29 wins, 14 draws, 35 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B23 | Sicilian: Closed | 7 | 4/0/3 | 57.1% |
| A57 | Benoni Defense | 4 | 1/1/2 | 25.0% |
| E97 | King's Indian Defense: Orthodox Variation | 3 | 2/0/1 | 66.7% |
| B12 | Caro-Kann: Advance Variation | 3 | 1/2/0 | 33.3% |
| B10 | Caro-Kann | 2 | 0/0/2 | 0.0% |
| C07 | French: Tarrasch Variation | 1 | 1/0/0 | 100.0% |
| C10 | French Defense | 1 | 0/1/0 | 0.0% |
| A07 | Hungarian Opening | 1 | 0/0/1 | 0.0% |
| D93 | Grünfeld Defense | 1 | 0/0/1 | 0.0% |
| C18 | French: Winawer Variation | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A21 | English Opening: Reverse Sicilian | 6 | 2/1/3 | 33.3% |
| B95 | Sicilian: Najdorf | 5 | 3/0/2 | 60.0% |
| A48 | Indian Defense | 4 | 1/1/2 | 25.0% |
| B07 | King's Indian Defense | 4 | 0/2/2 | 0.0% |
| B26 | Sicilian: Closed | 3 | 2/0/1 | 66.7% |
| B22 | Sicilian: Alapin | 2 | 0/2/0 | 0.0% |
| B56 | Sicilian: Scheveningen | 2 | 1/0/1 | 50.0% |
| E90 | King's Indian Defense: Orthodox Variation | 2 | 0/1/1 | 0.0% |
| A04 | Réti Opening | 2 | 0/1/1 | 0.0% |
| D00 | Blackmar-Diemer Gambit | 1 | 1/0/0 | 100.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jul 2025 | Priyanka Nutakki | 2,260 | Vitoria-Gasteiz Int Open | C07 |
| Aug 2008 | Jesus Maria Cerrajeria Ruiz | 2,190 | ch-Aragon | A57 |
| Feb 2011 | Manuel Angel Roche Simon | 2,141 | chT-Aragon Honor II | B23 |
| Feb 2012 | Oscar Cid Royo | 2,037 | chT-Aragon Honor GrB | B12 |
| Mar 2011 | Rodrigo Alonso Fernandez-Revuelta | 2,037 | chT-Aragon Honor II | B23 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| chT-Aragon Honor Titulo | 2012 | 8 | 1 | 1,939 |
| ch-ESP U14 | 2008 | 8 | 4.5 | 1,849 |
| chT-Aragon Preferente B | 2017 | 7 | 6.5 | 2,202 |
| ch-ESP U16 | 2010 | 7 | 2 | 1,802 |
| Vitoria-Gasteiz Int Open | 2026 | 7 | 3 | 2,089 |
| chT-Aragon Honor GrB | 2012 | 6 | 4.5 | 2,252 |
| chT-Aragon Preferente | 2010 | 6 | 3 | 2,047 |
| chT-Aragon Honor II | 2011 | 6 | 4 | 2,256 |
Interactive opening tree from all 78 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Alejandro Castillo Sanjuan's chess games?
78 games by Alejandro Castillo Sanjuan, from Apr 2007 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 Alejandro Castillo Sanjuan has played.
What does Alejandro Castillo Sanjuan play on the first move as White?
Across 36 games with White in our database, Alejandro Castillo Sanjuan opens with 1.e4 (61% of games), 1.d4 (36% of games), 1.g3 (3% of games). Against 1.e4 as Black, Alejandro Castillo Sanjuan answers 1...c5 (100% of games). Against 1.d4: 1...Nf6 (85% of games), 1...e6 (8% of games), 1...f5 (8% of games).
What openings does Alejandro Castillo Sanjuan play as White?
As White, Alejandro Castillo Sanjuan's most-played openings in our database are: Sicilian: Closed (7 games, 57.1% win rate); Benoni Defense (4 games, 25.0% win rate); King's Indian Defense: Orthodox Variation (3 games, 66.7% win rate). The full breakdown of 38 games with White is in the table above.
What openings does Alejandro Castillo Sanjuan play as Black?
As Black, Alejandro Castillo Sanjuan most often plays: English Opening: Reverse Sicilian (6 games, 33.3% win rate); Sicilian: Najdorf (5 games, 60.0% win rate); Indian Defense (4 games, 25.0% win rate). See the table above for the top ten Black openings across 40 games.
What is Alejandro Castillo Sanjuan's FIDE rating?
Alejandro Castillo Sanjuan is currently rated 2,103 in classical chess, 2,099 in rapid and 2,015 in blitz. Peak classical rating: 2,103 (Aug 2026).
How many games has Alejandro Castillo Sanjuan played?
Our database contains 78 games by Alejandro Castillo Sanjuan, covering Apr 2007 to Aug 2026. Overall record: 29 wins, 14 draws, 35 losses (37.2% win rate).
How do I prepare against Alejandro Castillo Sanjuan?
78 games by Alejandro Castillo Sanjuan 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.