Prepare against Octavio Aaron Bazan Romero
FM · Argentina · World #3,853 classical · FIDE ID 20003943
When preparing against Octavio Aaron Bazan Romero, expect 1.d4 in 45% of White games. Against 1.e4 the reply is 1...c5 (54% of games); against 1.d4, 1...Nf6 (69%). Lowest win rate among frequent openings: Queen's Pawn Game: Chigorin Variation as White, 61.1% over 18 games.
Our database contains 165 games by Octavio Aaron Bazan Romero, covering Nov 2021 to Sep 2026. Below you'll find Octavio Aaron Bazan Romero's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Octavio Aaron Bazan 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 | 2,308 | 2,317 | Aug 2025 |
| Rapid | 2,311 | 2,311 | Sep 2026 |
| Blitz | 2,271 | 2,293 | Dec 2025 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 165 | 81 | 21 | 63 | 49.1% |
| As White | 87 | 44 | 15 | 28 | 50.6% |
| As Black | 78 | 37 | 6 | 35 | 47.4% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Octavio Aaron Bazan Romero's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Octavio Aaron Bazan Romero's side.
First moves as White (87 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 39 | 44.8% | 55.1% |
| e4 | 27 | 31.0% | 53.7% |
| Nf3 | 11 | 12.6% | 86.4% |
| b3 | 10 | 11.5% | 60.0% |
Main lines as White
- 1.d4 — 45% of White games, 55.1% score
- …Nf6 (56% of these games) — Romero usually continues Nc3 (65.4% score)
- …d5 (26% of these games) — Romero usually continues Nc3 (80.0% score)
- …f5 (8% of these games) — Romero usually continues Nc3 (66.7% score)
- 1.e4 — 31% of White games, 53.7% score
- …c5 (30% of these games) — Romero usually continues Nf3 (50.0% score)
- …e5 (26% of these games) — Romero usually continues Nf3 (42.9% score)
- …c6 (19% of these games) — Romero usually continues d4 (87.5% score)
As Black against 1.e4 (35 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 19 | 54.3% | 47.4% |
| c6 | 10 | 28.6% | 80.0% |
| Nc6 | 6 | 17.1% | 33.3% |
As Black against 1.d4 (26 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 18 | 69.2% | 55.6% |
| d5 | 4 | 15.4% | 50.0% |
| c6 | 3 | 11.5% | 16.7% |
| d6 | 1 | 3.8% | 100.0% |
Octavio Aaron Bazan Romero's chess games
All 165 games by Octavio Aaron Bazan Romero in the Chess.ceo database (Nov 2021 - 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: 81 wins, 21 draws, 63 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A45 | Queen's Pawn Game: Chigorin Variation | 18 | 11/4/3 | 61.1% |
| A01 | Nimzovich-Larsen attack | 10 | 6/0/4 | 60.0% |
| A46 | Indian Defense | 8 | 5/0/3 | 62.5% |
| D00 | London System | 4 | 1/1/2 | 25.0% |
| B22 | Sicilian: Alapin | 4 | 0/2/2 | 0.0% |
| B30 | Sicilian | 3 | 1/0/2 | 33.3% |
| C50 | Italian Game: Giuoco Pianissimo | 3 | 1/0/2 | 33.3% |
| A80 | Dutch Defense | 3 | 2/0/1 | 66.7% |
| C02 | French: Advance Variation | 3 | 0/3/0 | 0.0% |
| A04 | Réti Opening | 3 | 3/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B12 | Caro-Kann | 10 | 8/0/2 | 80.0% |
| B70 | Sicilian: Dragon | 8 | 2/0/6 | 25.0% |
| D35 | Indian Defense | 6 | 2/3/1 | 33.3% |
| A20 | English Opening: Reverse Sicilian | 4 | 2/0/2 | 50.0% |
| A40 | Queen's Pawn Game | 4 | 2/1/1 | 50.0% |
| A58 | Benoni Defense | 4 | 3/0/1 | 75.0% |
| B00 | Nimzowitsch Defense | 4 | 2/0/2 | 50.0% |
| A45 | London System | 3 | 2/0/1 | 66.7% |
| B50 | Sicilian | 3 | 2/0/1 | 66.7% |
| B00 | Nimzowitsch Defense: Scandinavian Variation | 2 | 0/0/2 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Mar 2026 | Gennadi Gutman | 2,445 | 1st 3-0 Thursday | B50 |
| Jul 2025 | Viacheslav I. Neklyudov | 2,432 | Titled Tue Late | B54 |
| Apr 2026 | Ka Agasiyev | 2,422 | 2nd 3-0 Thursday | A01 |
| May 2026 | Carlos Horacio Garcia Palermo | 2,394 | 4th Buenos Aires Open | B12 |
| Nov 2025 | Mikayel Manvelyan | 2,386 | 1st 3-0 Thursday | A01 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Titled Tuesday | 2025 | 95 | 54 | 2,255 |
| 1st 3-0 Thursday | 2026 | 32 | 16 | 2,284 |
| 2nd 3-0 Thursday | 2026 | 11 | 5 | 2,239 |
| 3rd BA Chess Masters | 2025 | 9 | 7 | 2,301 |
| BA CHESS BLITZ DGT GRAND PRIX | Etapa 4 | 2025 | 6 | 3.5 | 2,295 |
| 4th Buenos Aires Open | 2026 | 5 | 3.5 | 2,419 |
| Perez Chess Open | 2025 | 4 | 2 | 2,365 |
| 101 Semifinal Campeonato Argentino Superior Absoluto | 2026 | 2 | 0 | 1,974 |
Interactive opening tree from all 165 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Octavio Aaron Bazan Romero's chess games?
165 games by Octavio Aaron Bazan Romero, from Nov 2021 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 Octavio Aaron Bazan Romero has played.
What does Octavio Aaron Bazan Romero play on the first move as White?
Across 87 games with White in our database, Octavio Aaron Bazan Romero opens with 1.d4 (45% of games), 1.e4 (31% of games), 1.Nf3 (13% of games). Against 1.e4 as Black, Octavio Aaron Bazan Romero answers 1...c5 (54% of games), 1...c6 (29% of games), 1...Nc6 (17% of games). Against 1.d4: 1...Nf6 (69% of games), 1...d5 (15% of games), 1...c6 (12% of games).
What openings does Octavio Aaron Bazan Romero play as White?
As White, Octavio Aaron Bazan Romero's most-played openings in our database are: Queen's Pawn Game: Chigorin Variation (18 games, 61.1% win rate); Nimzovich-Larsen attack (10 games, 60.0% win rate); Indian Defense (8 games, 62.5% win rate). The full breakdown of 87 games with White is in the table above.
What openings does Octavio Aaron Bazan Romero play as Black?
As Black, Octavio Aaron Bazan Romero most often plays: Caro-Kann (10 games, 80.0% win rate); Sicilian: Dragon (8 games, 25.0% win rate); Indian Defense (6 games, 33.3% win rate). See the table above for the top ten Black openings across 78 games.
What is Octavio Aaron Bazan Romero's FIDE rating?
Octavio Aaron Bazan Romero is currently rated 2,308 in classical chess, 2,311 in rapid and 2,271 in blitz. Peak classical rating: 2,317 (Aug 2025).
How many games has Octavio Aaron Bazan Romero played?
Our database contains 165 games by Octavio Aaron Bazan Romero, covering Nov 2021 to Sep 2026. Overall record: 81 wins, 21 draws, 63 losses (49.1% win rate).
How do I prepare against Octavio Aaron Bazan Romero?
165 games by Octavio Aaron Bazan 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.