Prepare against Oscar Arrillaga Romero
Spain · World #48,510 classical · FIDE ID 2258684
Our database contains 36 games by Oscar Arrillaga Romero, covering Jan 2012 to Jul 2026. Below you'll find Oscar Arrillaga Romero's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Oscar Arrillaga Romero 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 | 1,899 | 1,959 | Oct 2012 |
| Rapid | 1,837 | 1,947 | Jul 2014 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 36 | 19 | 4 | 13 | 52.8% |
| As White | 18 | 8 | 2 | 8 | 44.4% |
| As Black | 18 | 11 | 2 | 5 | 61.1% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Oscar Arrillaga Romero's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Oscar Arrillaga Romero's side.
First moves as White (18 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 17 | 94.4% | 52.9% |
| e3 | 1 | 5.6% | 0.0% |
Main lines as White
- 1.e4 — 94% of White games, 52.9% score
- …c5 (29% of these games) — Romero usually continues Nf3 (50.0% score)
- …e5 (18% of these games) — Romero usually continues Nf3 (83.3% score)
- …e6 (12% of these games) — Romero usually continues d4 (50.0% score)
- 1.e3 — 6% of White games, 0.0% score
- …g6 (100% of these games) — Romero usually continues f4 (0.0% score)
As Black against 1.e4 (12 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 12 | 100.0% | 83.3% |
As Black against 1.d4 (4 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| f5 | 4 | 100.0% | 50.0% |
Oscar Arrillaga Romero's chess games
All 36 games by Oscar Arrillaga Romero in the Chess.ceo database (Jan 2012 - Jul 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: 19 wins, 4 draws, 13 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B01 | Scandinavian Defense: Main Line | 2 | 0/0/2 | 0.0% |
| B41 | Sicilian | 2 | 0/0/2 | 0.0% |
| B06 | Modern Defense | 2 | 2/0/0 | 100.0% |
| B33 | Sicilian: Sveshnikov | 2 | 1/1/0 | 50.0% |
| C50 | Italian Game | 2 | 2/0/0 | 100.0% |
| C42 | Petrov's Defense | 1 | 0/1/0 | 0.0% |
| B77 | Sicilian: Accelerated Dragon | 1 | 1/0/0 | 100.0% |
| B02 | Alekhine Defense | 1 | 1/0/0 | 100.0% |
| A02 | Van 't Kruijs Opening | 1 | 0/0/1 | 0.0% |
| B15 | Caro-Kann | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C24 | Italian Game | 4 | 2/1/1 | 50.0% |
| A80 | Dutch Defense | 4 | 2/0/2 | 50.0% |
| C89 | Ruy Lopez: Closed | 3 | 3/0/0 | 100.0% |
| C55 | Four Knights Game: Italian Variation | 2 | 2/0/0 | 100.0% |
| C22 | Center Game | 1 | 0/1/0 | 0.0% |
| C86 | Ruy Lopez: Morphy Defense | 1 | 1/0/0 | 100.0% |
| A00 | Dunst Opening | 1 | 0/0/1 | 0.0% |
| A96 | Hungarian Opening | 1 | 0/0/1 | 0.0% |
| C57 | Italian Game: Two Knights Defense | 1 | 1/0/0 | 100.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Nov 2004 | Sergio Trigo Urquijo | 2,062 | Sestao Open | C56 |
| Sep 2018 | Eder Hernandez Izaguirre | 2,039 | 3rd Getxo Open | B06 |
| Nov 2006 | David Martinez Pelaez | 1,969 | ch-BIZKAIA B | C55 |
| Nov 2006 | Jorge Sanchez Dolado | 1,966 | ch-BIZKAIA B | B78 |
| Oct 2004 | Aingeru Virto Alustiza | 1,956 | Sestao Open | B02 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| 4th Getxo Open | 2019 | 8 | 4 | 1,754 |
| 1st Elgoibar Danobat U2200 Open | 2018 | 7 | 3.5 | 1,653 |
| ch-Bizkaia B | 2005 | 6 | 4 | 2,126 |
| ch-BIZKAIA B | 2006 | 6 | 4.5 | 2,198 |
| Sestao Open | 2004 | 4 | 3 | 2,209 |
| Getxo Open 2nd | 2017 | 2 | 1 | 1,703 |
| 3rd Getxo Open | 2018 | 2 | 1 | 2,197 |
| 21st Erandio Open | 2012 | 1 | 0 | 1,793 |
Interactive opening tree from all 36 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Oscar Arrillaga Romero's chess games?
36 games by Oscar Arrillaga Romero, from Jan 2012 to Jul 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 Arrillaga Romero has played.
What does Oscar Arrillaga Romero play on the first move as White?
Across 18 games with White in our database, Oscar Arrillaga Romero opens with 1.e4 (94% of games), 1.e3 (6% of games). Against 1.e4 as Black, Oscar Arrillaga Romero answers 1...e5 (100% of games). Against 1.d4: 1...f5 (100% of games).
What openings does Oscar Arrillaga Romero play as White?
As White, Oscar Arrillaga Romero's most-played openings in our database are: Scandinavian Defense: Main Line (2 games, 0.0% win rate); Sicilian (2 games, 0.0% win rate); Modern Defense (2 games, 100.0% win rate). The full breakdown of 18 games with White is in the table above.
What openings does Oscar Arrillaga Romero play as Black?
As Black, Oscar Arrillaga Romero most often plays: Italian Game (4 games, 50.0% win rate); Dutch Defense (4 games, 50.0% win rate); Ruy Lopez: Closed (3 games, 100.0% win rate). See the table above for the top ten Black openings across 18 games.
What is Oscar Arrillaga Romero's FIDE rating?
Oscar Arrillaga Romero is currently rated 1,899 in classical chess, 1,837 in rapid. Peak classical rating: 1,959 (Oct 2012).
How many games has Oscar Arrillaga Romero played?
Our database contains 36 games by Oscar Arrillaga Romero, covering Jan 2012 to Jul 2026. Overall record: 19 wins, 4 draws, 13 losses (52.8% win rate).
How do I prepare against Oscar Arrillaga Romero?
36 games by Oscar Arrillaga Romero 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.