Prepare against Oscar Fernandez Sanjuan
Spain · World #16,738 classical · FIDE ID 54543428
Our database contains 46 games by Oscar Fernandez Sanjuan, covering Nov 2017 to Aug 2026. Below you'll find Oscar Fernandez Sanjuan's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Oscar Fernandez 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 | 2,088 | 2,088 | Aug 2026 |
| Rapid | 2,133 | 2,133 | Aug 2026 |
| Blitz | 2,066 | 2,074 | Jun 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 46 | 18 | 9 | 19 | 39.1% |
| As White | 22 | 8 | 5 | 9 | 36.4% |
| As Black | 24 | 10 | 4 | 10 | 41.7% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Oscar Fernandez Sanjuan's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Oscar Fernandez Sanjuan's side.
First moves as White (22 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c4 | 18 | 81.8% | 50.0% |
| g3 | 2 | 9.1% | 50.0% |
| Nf3 | 1 | 4.5% | 0.0% |
| e4 | 1 | 4.5% | 50.0% |
Main lines as White
- 1.c4 — 82% of White games, 50.0% score
- …e5 (33% of these games) — Sanjuan usually continues Nc3 (25.0% score)
- …Nf6 (28% of these games) — Sanjuan usually continues g3 (50.0% score)
- …e6 (17% of these games) — Sanjuan usually continues Nc3 (50.0% score)
- 1.g3 — 9% of White games, 50.0% score
- …g6 (50% of these games) — Sanjuan usually continues Bg2 (0.0% score)
- …c5 (50% of these games) — Sanjuan usually continues Bg2 (100.0% score)
As Black against 1.e4 (13 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 13 | 100.0% | 76.9% |
As Black against 1.d4 (8 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 6 | 75.0% | 16.7% |
| g6 | 1 | 12.5% | 0.0% |
| c5 | 1 | 12.5% | 100.0% |
Oscar Fernandez Sanjuan's chess games
All 46 games by Oscar Fernandez Sanjuan in the Chess.ceo database (Nov 2017 - 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: 18 wins, 9 draws, 19 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A25 | English Opening: Reverse Sicilian | 7 | 3/0/4 | 42.9% |
| A13 | English Opening | 7 | 2/2/3 | 28.6% |
| A36 | English Opening: Symmetrical | 4 | 2/1/1 | 50.0% |
| A14 | English Opening: Neo-Catalan | 1 | 0/0/1 | 0.0% |
| B00 | Nimzowitsch Defense | 1 | 0/1/0 | 0.0% |
| A11 | English Opening: Slav Setup | 1 | 0/1/0 | 0.0% |
| A10 | English Opening: Anglo-Scandinavian Defense | 1 | 1/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B23 | Sicilian | 6 | 4/1/1 | 66.7% |
| B57 | Sicilian: Dragon | 4 | 2/1/1 | 50.0% |
| A57 | Benoni Defense | 3 | 0/0/3 | 0.0% |
| B23 | Sicilian: Closed | 2 | 2/0/0 | 100.0% |
| E76 | Modern Defense | 1 | 0/0/1 | 0.0% |
| A01 | Nimzovich-Larsen attack | 1 | 0/0/1 | 0.0% |
| D00 | Queen's Pawn Game: Chigorin Variation | 1 | 0/1/0 | 0.0% |
| A04 | Réti Opening | 1 | 0/0/1 | 0.0% |
| B27 | Sicilian: Alapin | 1 | 1/0/0 | 100.0% |
| B77 | Sicilian: Hyperaccelerated Dragon | 1 | 1/0/0 | 100.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Aug 2025 | Antonio Alvarez Pampillon | 2,174 | 4th Leca Chess Open | A37 |
| Jul 2023 | Arnau Sanchez Aguilar | 2,046 | ch-ESP U16 rapid | B27 |
| Jul 2023 | Ivan Paton Alvarez | 1,957 | ch-ESP U16 rapid | B77 |
| Jul 2023 | Oriol Mangues Rubia | 1,890 | ch-ESP U16 rapid | A25 |
| Jul 2023 | Guerau Benseny Martinez | 1,802 | ch-ESP U16 rapid | E07 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| 10th Pontevedra Open B | 2022 | 9 | 5 | 1,504 |
| Padron Pre-Mundial U12 | 2018 | 9 | 4.5 | 1,371 |
| Gran Canaria Online Blitz | 2021 | 8 | 4.5 | 1,656 |
| ch-ESP U16 rapid | 2023 | 8 | 4.5 | 2,021 |
| Leça Chess Open 2026 | 2026 | 3 | 0.5 | 1,973 |
| Maia Open | 2024 | 3 | 0.5 | 1,896 |
| ch-Galicia U14 | 2020 | 2 | 1 | 1,543 |
| 4th Leca Chess Open | 2025 | 2 | 1 | 2,262 |
Interactive opening tree from all 46 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Oscar Fernandez Sanjuan's chess games?
46 games by Oscar Fernandez Sanjuan, from Nov 2017 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 Oscar Fernandez Sanjuan has played.
What does Oscar Fernandez Sanjuan play on the first move as White?
Across 22 games with White in our database, Oscar Fernandez Sanjuan opens with 1.c4 (82% of games), 1.g3 (9% of games), 1.Nf3 (5% of games). Against 1.e4 as Black, Oscar Fernandez Sanjuan answers 1...c5 (100% of games). Against 1.d4: 1...Nf6 (75% of games), 1...g6 (13% of games), 1...c5 (13% of games).
What openings does Oscar Fernandez Sanjuan play as White?
As White, Oscar Fernandez Sanjuan's most-played openings in our database are: English Opening: Reverse Sicilian (7 games, 42.9% win rate); English Opening (7 games, 28.6% win rate); English Opening: Symmetrical (4 games, 50.0% win rate). The full breakdown of 22 games with White is in the table above.
What openings does Oscar Fernandez Sanjuan play as Black?
As Black, Oscar Fernandez Sanjuan most often plays: Sicilian (6 games, 66.7% win rate); Sicilian: Dragon (4 games, 50.0% win rate); Benoni Defense (3 games, 0.0% win rate). See the table above for the top ten Black openings across 24 games.
What is Oscar Fernandez Sanjuan's FIDE rating?
Oscar Fernandez Sanjuan is currently rated 2,088 in classical chess, 2,133 in rapid and 2,066 in blitz. Peak classical rating: 2,088 (Aug 2026).
How many games has Oscar Fernandez Sanjuan played?
Our database contains 46 games by Oscar Fernandez Sanjuan, covering Nov 2017 to Aug 2026. Overall record: 18 wins, 9 draws, 19 losses (39.1% win rate).
How do I prepare against Oscar Fernandez Sanjuan?
46 games by Oscar Fernandez 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.