Prepare against Aitor Funes Ostos
Spain · World #6,140 classical · FIDE ID 24538140
When preparing against Aitor Funes Ostos, expect 1.c4 in 45% of White games. Against 1.e4 the reply is 1...c5 (35% of games); against 1.d4, 1...Nf6 (71%). Lowest win rate among frequent openings: English Opening as White, 52.6% over 19 games.
Our database contains 148 games by Aitor Funes Ostos, covering Aug 2015 to Sep 2026. Below you'll find Aitor Funes Ostos's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Aitor Funes Ostos 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 | 2,245 | 2,249 | Aug 2026 |
| Rapid | 2,068 | 2,073 | Dec 2023 |
| Blitz | 2,089 | 2,089 | Sep 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 148 | 74 | 34 | 40 | 50.0% |
| As White | 75 | 36 | 19 | 20 | 48.0% |
| As Black | 73 | 38 | 15 | 20 | 52.1% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Aitor Funes Ostos's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Aitor Funes Ostos's side.
First moves as White (75 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c4 | 34 | 45.3% | 72.1% |
| Nf3 | 18 | 24.0% | 41.7% |
| e4 | 17 | 22.7% | 55.9% |
| d4 | 5 | 6.7% | 60.0% |
| b3 | 1 | 1.3% | 100.0% |
Main lines as White
- 1.c4 — 45% of White games, 72.1% score
- …Nf6 (35% of these games) — Ostos usually continues Nc3 (66.7% score)
- …e5 (24% of these games) — Ostos usually continues Nc3 (85.7% score)
- …e6 (21% of these games) — Ostos usually continues Nf3 (100.0% score)
- 1.Nf3 — 24% of White games, 41.7% score
- …Nf6 (44% of these games) — Ostos usually continues b3 (50.0% score)
- …d5 (39% of these games) — Ostos usually continues c4 (50.0% score)
- …c5 (11% of these games) — Ostos usually continues c4 (50.0% score)
As Black against 1.e4 (37 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 13 | 35.1% | 76.9% |
| e5 | 10 | 27.0% | 25.0% |
| e6 | 8 | 21.6% | 50.0% |
| c6 | 4 | 10.8% | 75.0% |
| d6 | 1 | 2.7% | 100.0% |
| Nf6 | 1 | 2.7% | 50.0% |
As Black against 1.d4 (28 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 20 | 71.4% | 72.5% |
| e6 | 5 | 17.9% | 70.0% |
| d5 | 2 | 7.1% | 50.0% |
| d6 | 1 | 3.6% | 0.0% |
Aitor Funes Ostos's chess games
All 148 games by Aitor Funes Ostos in the Chess.ceo database (Aug 2015 - 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: 74 wins, 34 draws, 40 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A36 | English Opening | 19 | 10/4/5 | 52.6% |
| A05 | Réti Opening | 9 | 2/3/4 | 22.2% |
| A25 | English Opening: Reverse Sicilian | 8 | 6/2/0 | 75.0% |
| A36 | English Opening: Symmetrical | 4 | 0/4/0 | 0.0% |
| A84 | English Opening: Dutch Defense | 2 | 2/0/0 | 100.0% |
| A18 | English Opening: Mikenas Variation | 2 | 1/1/0 | 50.0% |
| B07 | London System | 2 | 1/0/1 | 50.0% |
| A04 | English Opening: Neo-Catalan | 2 | 1/0/1 | 50.0% |
| D00 | Indian Defense | 2 | 1/0/1 | 50.0% |
| C53 | Italian Game: Classical Variation | 2 | 0/1/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A50 | Indian Defense | 7 | 4/2/1 | 57.1% |
| A04 | Sicilian | 6 | 3/2/1 | 50.0% |
| A10 | English Opening | 4 | 3/0/1 | 75.0% |
| E11 | Catalan | 4 | 2/1/1 | 50.0% |
| C03 | French: Tarrasch Variation | 4 | 2/1/1 | 50.0% |
| B13 | Caro-Kann: Exchange Variation | 3 | 2/0/1 | 66.7% |
| B70 | Sicilian: Najdorf | 3 | 3/0/0 | 100.0% |
| C64 | Ruy Lopez: Morphy Defense | 3 | 0/1/2 | 0.0% |
| B23 | Sicilian: Closed | 3 | 2/0/1 | 66.7% |
| D05 | Colle System | 2 | 1/1/0 | 50.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Aug 2026 | Alejandro Domingo Nunez | 2,372 | 91st ch-ESP 2026 | A01 |
| Mar 2026 | Leo Valle Luis | 2,317 | Catalonia Championship Individual for Ages | Sub 20 | C02 |
| Aug 2023 | Antonio Granero Roca | 2,305 | Mutxamel 5th | A36 |
| Mar 2026 | Arnau Sanchez Aguilar | 2,239 | Catalonia Championship Individual for Ages | Sub 20 | A88 |
| Aug 2023 | Ciro Revaliente Montoya | 2,233 | ch-ESP U18 | B07 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-ESP U16 | 2022 | 16 | 10.5 | 2,008 |
| Catalonia Championship Individual for Ages | Sub 20 | 2026 | 9 | 7.5 | 2,278 |
| ch-ESP U18 | 2023 | 9 | 6.5 | 2,214 |
| 1st Llinars del Valles Open | 2021 | 9 | 5.5 | 1,941 |
| ch-Catalan U10/20 | 2022 | 9 | 6.5 | 2,068 |
| ch-ESP U16 Rapid | 2022 | 9 | 6.5 | 1,801 |
| Mutxamel 5th | 2023 | 9 | 2 | 2,089 |
| 4th Llinars del Valles Open | 2024 | 9 | 5 | 2,078 |
Interactive opening tree from all 148 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Aitor Funes Ostos's chess games?
148 games by Aitor Funes Ostos, from Aug 2015 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 Aitor Funes Ostos has played.
What does Aitor Funes Ostos play on the first move as White?
Across 75 games with White in our database, Aitor Funes Ostos opens with 1.c4 (45% of games), 1.Nf3 (24% of games), 1.e4 (23% of games). Against 1.e4 as Black, Aitor Funes Ostos answers 1...c5 (35% of games), 1...e5 (27% of games), 1...e6 (22% of games). Against 1.d4: 1...Nf6 (71% of games), 1...e6 (18% of games), 1...d5 (7% of games).
What openings does Aitor Funes Ostos play as White?
As White, Aitor Funes Ostos's most-played openings in our database are: English Opening (19 games, 52.6% win rate); Réti Opening (9 games, 22.2% win rate); English Opening: Reverse Sicilian (8 games, 75.0% win rate). The full breakdown of 75 games with White is in the table above.
What openings does Aitor Funes Ostos play as Black?
As Black, Aitor Funes Ostos most often plays: Indian Defense (7 games, 57.1% win rate); Sicilian (6 games, 50.0% win rate); English Opening (4 games, 75.0% win rate). See the table above for the top ten Black openings across 73 games.
What is Aitor Funes Ostos's FIDE rating?
Aitor Funes Ostos is currently rated 2,245 in classical chess, 2,068 in rapid and 2,089 in blitz. Peak classical rating: 2,249 (Aug 2026).
How many games has Aitor Funes Ostos played?
Our database contains 148 games by Aitor Funes Ostos, covering Aug 2015 to Sep 2026. Overall record: 74 wins, 34 draws, 40 losses (50.0% win rate).
How do I prepare against Aitor Funes Ostos?
148 games by Aitor Funes Ostos 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.