Prepare against Juan Romero Calderon
Spain · World #14,355 classical · FIDE ID 2219450
When preparing against Juan Romero Calderon, expect 1.d4 in 73% of White games. Against 1.e4 the reply is 1...e6 (100% of games); against 1.d4, 1...e6 (86%).
Our database contains 37 games by Juan Romero Calderon, covering Apr 2003 to Jul 2026. Below you'll find Juan Romero Calderon's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Juan Romero Calderon 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 | 2,112 | 2,227 | Apr 2016 |
| Rapid | 2,107 | 2,182 | Apr 2018 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 37 | 12 | 8 | 17 | 32.4% |
| As White | 15 | 7 | 3 | 5 | 46.7% |
| As Black | 22 | 5 | 5 | 12 | 22.7% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Juan Romero Calderon's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Juan Romero Calderon's side.
First moves as White (15 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 11 | 73.3% | 54.5% |
| Nf3 | 4 | 26.7% | 62.5% |
Main lines as White
- 1.d4 — 73% of White games, 54.5% score
- …Nf6 (55% of these games) — Calderon usually continues Nf3 (33.3% score)
- …e6 (18% of these games) — Calderon usually continues c4 (100.0% score)
- …d5 (18% of these games) — Calderon usually continues Nf3 (50.0% score)
- 1.Nf3 — 27% of White games, 62.5% score
- …d5 (75% of these games) — Calderon usually continues d4 (50.0% score)
- …Nf6 (25% of these games) — Calderon usually continues d4 (100.0% score)
As Black against 1.e4 (12 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e6 | 12 | 100.0% | 37.5% |
As Black against 1.d4 (7 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e6 | 6 | 85.7% | 16.7% |
| d5 | 1 | 14.3% | 50.0% |
Juan Romero Calderon's chess games
All 37 games by Juan Romero Calderon in the Chess.ceo database (Apr 2003 - 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: 12 wins, 8 draws, 17 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D45 | Slav Defense | 3 | 2/0/1 | 66.7% |
| D05 | Colle System | 2 | 1/1/0 | 50.0% |
| A61 | Benoni Defense | 2 | 1/0/1 | 50.0% |
| A90 | Horwitz Defense | 1 | 1/0/0 | 100.0% |
| A54 | Indian Defense | 1 | 1/0/0 | 100.0% |
| E63 | King's Indian Defense: Fianchetto Variation | 1 | 0/1/0 | 0.0% |
| E90 | King's Indian Defense: Orthodox Variation | 1 | 0/1/0 | 0.0% |
| E43 | Nimzo-Indian: Rubinstein System | 1 | 1/0/0 | 100.0% |
| E14 | Queen's Indian Defense | 1 | 0/0/1 | 0.0% |
| D11 | Queen's Pawn Game | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C06 | French: Tarrasch Variation | 3 | 0/1/2 | 0.0% |
| C02 | French: Advance Variation | 2 | 0/1/1 | 0.0% |
| B00 | King's Indian Attack | 2 | 1/1/0 | 50.0% |
| C11 | French: Classical Variation | 2 | 0/0/2 | 0.0% |
| A47 | Horwitz Defense | 2 | 1/0/1 | 50.0% |
| B20 | French Defense | 2 | 1/0/1 | 50.0% |
| A13 | English Opening | 2 | 1/0/1 | 50.0% |
| D46 | Slav Defense | 2 | 0/1/1 | 0.0% |
| C01 | French: Exchange Variation | 1 | 1/0/0 | 100.0% |
| A37 | English Opening: Symmetrical | 1 | 0/1/0 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jan 2003 | Jacint Raurell Bernada | 2,300 | chT-Catalunya | C00 |
| Feb 2008 | Juan Carlos Tebar Moreno | 2,270 | chT-Catalunya Primera Gp2 | E65 |
| Feb 2008 | Jordi Saenz Rebull | 2,152 | chT-Catalunya Primera Gp2 | D45 |
| Feb 2018 | Sergio Gonzalez Vericat | 2,140 | chT-Catalunya Gp2 | B27 |
| Apr 2018 | Lluis Quintas Galeano | 2,107 | chT-Catalunya GpB final | A54 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| chT-Catalunya Gp1 | 2023 | 18 | 8 | 2,078 |
| chT-Catalunya Gp2 | 2018 | 7 | 1 | 1,905 |
| chT-Catalunya Primera Gp2 | 2008 | 4 | 3 | 2,382 |
| chT-Catalunya GpB final | 2018 | 4 | 2 | 2,148 |
| chT-Catalunya Gp2 Final | 2023 | 2 | 1 | 2,072 |
| chT-Catalunya Final A+B | 2020 | 1 | 0 | 1,621 |
| chT-Catalunya | 2003 | 1 | 1 | 2,700 |
Interactive opening tree from all 37 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Juan Romero Calderon's chess games?
37 games by Juan Romero Calderon, from Apr 2003 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 Juan Romero Calderon has played.
What does Juan Romero Calderon play on the first move as White?
Across 15 games with White in our database, Juan Romero Calderon opens with 1.d4 (73% of games), 1.Nf3 (27% of games). Against 1.e4 as Black, Juan Romero Calderon answers 1...e6 (100% of games). Against 1.d4: 1...e6 (86% of games), 1...d5 (14% of games).
What openings does Juan Romero Calderon play as White?
As White, Juan Romero Calderon's most-played openings in our database are: Slav Defense (3 games, 66.7% win rate); Colle System (2 games, 50.0% win rate); Benoni Defense (2 games, 50.0% win rate). The full breakdown of 15 games with White is in the table above.
What openings does Juan Romero Calderon play as Black?
As Black, Juan Romero Calderon most often plays: French: Tarrasch Variation (3 games, 0.0% win rate); French: Advance Variation (2 games, 0.0% win rate); King's Indian Attack (2 games, 50.0% win rate). See the table above for the top ten Black openings across 22 games.
What is Juan Romero Calderon's FIDE rating?
Juan Romero Calderon is currently rated 2,112 in classical chess, 2,107 in rapid. Peak classical rating: 2,227 (Apr 2016).
How many games has Juan Romero Calderon played?
Our database contains 37 games by Juan Romero Calderon, covering Apr 2003 to Jul 2026. Overall record: 12 wins, 8 draws, 17 losses (32.4% win rate).
How do I prepare against Juan Romero Calderon?
37 games by Juan Romero Calderon 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.