Prepare against Sergio Romero Calduch
FM · Spain · World #5,510 classical · FIDE ID 2246848
Our database contains 274 games by Sergio Romero Calduch, covering Jul 2009 to Jul 2026. Below you'll find Sergio Romero Calduch's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Sergio Romero Calduch 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 | 2,260 | 2,321 | Jan 2025 |
| Rapid | 2,120 | 2,158 | May 2025 |
| Blitz | 2,169 | 2,172 | Jul 2015 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 274 | 126 | 75 | 73 | 46.0% |
| As White | 145 | 67 | 44 | 34 | 46.2% |
| As Black | 129 | 59 | 31 | 39 | 45.7% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Sergio Romero Calduch's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Sergio Romero Calduch's side.
First moves as White (145 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 137 | 94.5% | 62.0% |
| Nf3 | 7 | 4.8% | 42.9% |
| e4 | 1 | 0.7% | 100.0% |
Main lines as White
- 1.d4 — 94% of White games, 62.0% score
- …Nf6 (61% of these games) — Calduch usually continues c4 (62.7% score)
- …d5 (24% of these games) — Calduch usually continues c4 (66.1% score)
- …e6 (5% of these games) — Calduch usually continues c4 (20.0% score)
- 1.Nf3 — 5% of White games, 42.9% score
- …Nf6 (71% of these games) — Calduch usually continues d4 (60.0% score)
- …e6 (14% of these games) — Calduch usually continues e4 (0.0% score)
- …f5 (14% of these games) — Calduch usually continues d3 (0.0% score)
As Black against 1.e4 (71 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e6 | 34 | 47.9% | 64.7% |
| c6 | 28 | 39.4% | 58.9% |
| Nf6 | 7 | 9.9% | 57.1% |
| e5 | 2 | 2.8% | 25.0% |
As Black against 1.d4 (42 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 37 | 88.1% | 63.5% |
| e6 | 2 | 4.8% | 100.0% |
| d5 | 2 | 4.8% | 25.0% |
| f5 | 1 | 2.4% | 0.0% |
Sergio Romero Calduch's chess games
All 274 games by Sergio Romero Calduch in the Chess.ceo database (Jul 2009 - 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: 126 wins, 75 draws, 73 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D36 | Indian Defense | 25 | 15/5/5 | 60.0% |
| A59 | Benoni Defense | 17 | 7/6/4 | 41.2% |
| D10 | Slav Defense | 13 | 6/3/4 | 46.2% |
| E18 | Queen's Indian Defense | 9 | 5/3/1 | 55.6% |
| D32 | Queen's Gambit Declined | 9 | 5/4/0 | 55.6% |
| E62 | King's Indian Defense | 8 | 3/2/3 | 37.5% |
| E76 | King's Indian Defense: Four Pawns Attack | 7 | 2/3/2 | 28.6% |
| E16 | Bogo-Indian Defense | 5 | 1/1/3 | 20.0% |
| A83 | Dutch Defense | 5 | 2/1/2 | 40.0% |
| E01 | Catalan | 5 | 4/1/0 | 80.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C06 | French: Tarrasch Variation | 11 | 7/1/3 | 63.6% |
| B12 | Caro-Kann: Advance Variation | 10 | 5/1/4 | 50.0% |
| A46 | Indian Defense | 7 | 5/1/1 | 71.4% |
| E04 | Catalan | 7 | 1/1/5 | 14.3% |
| B03 | Alekhine Defense | 7 | 3/2/2 | 42.9% |
| C02 | French: Advance Variation | 6 | 3/1/2 | 50.0% |
| C01 | French: Exchange Variation | 6 | 4/1/1 | 66.7% |
| B11 | Caro-Kann: Two Knights Variation | 6 | 2/3/1 | 33.3% |
| C13 | French: Classical Variation | 6 | 2/3/1 | 33.3% |
| E91 | King's Indian Defense: Orthodox Variation | 6 | 3/1/2 | 50.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Oct 2020 | David Anton Guijarro | 2,590 | La Nucia Blitz Open | E19 |
| Aug 2021 | Carlos S. Matamoros Franco | 2,486 | 3rd San Cristobal de La Laguna Open | A07 |
| Sep 2022 | Aleksa Strikovic | 2,484 | San Cristobal de La Laguna Open 4th | C41 |
| Jan 2024 | Marcos Camacho Collados | 2,466 | 35th Roquetas de Mar Open | B13 |
| Jul 2024 | Josep Manuel Lopez Martinez | 2,463 | 40th Andorra Open | E32 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-Provincial Vila Real | 2014 | 14 | 9 | 2,088 |
| ch-Valencia Autonomico U18 | 2010 | 10 | 4 | 1,735 |
| Colonia de Sant Jordi Open A | 2022 | 9 | 6 | 2,265 |
| 1st Merida World Heritage Open | 2021 | 9 | 6 | 2,053 |
| 14th Vecindario Montalvo Memorial | 2022 | 9 | 6 | 2,172 |
| 32nd Krakow Open A | 2022 | 9 | 3 | 2,142 |
| 50th Mislata Open | 2016 | 9 | 5 | 2,203 |
| 45th Mislata Open C | 2011 | 9 | 7.5 | 2,013 |
Interactive opening tree from all 274 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Sergio Romero Calduch's chess games?
274 games by Sergio Romero Calduch, from Jul 2009 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 Sergio Romero Calduch has played.
What does Sergio Romero Calduch play on the first move as White?
Across 145 games with White in our database, Sergio Romero Calduch opens with 1.d4 (94% of games), 1.Nf3 (5% of games), 1.e4 (1% of games). Against 1.e4 as Black, Sergio Romero Calduch answers 1...e6 (48% of games), 1...c6 (39% of games), 1...Nf6 (10% of games). Against 1.d4: 1...Nf6 (88% of games), 1...e6 (5% of games), 1...d5 (5% of games).
What openings does Sergio Romero Calduch play as White?
As White, Sergio Romero Calduch's most-played openings in our database are: Indian Defense (25 games, 60.0% win rate); Benoni Defense (17 games, 41.2% win rate); Slav Defense (13 games, 46.2% win rate). The full breakdown of 145 games with White is in the table above.
What openings does Sergio Romero Calduch play as Black?
As Black, Sergio Romero Calduch most often plays: French: Tarrasch Variation (11 games, 63.6% win rate); Caro-Kann: Advance Variation (10 games, 50.0% win rate); Indian Defense (7 games, 71.4% win rate). See the table above for the top ten Black openings across 129 games.
What is Sergio Romero Calduch's FIDE rating?
Sergio Romero Calduch is currently rated 2,260 in classical chess, 2,120 in rapid and 2,169 in blitz. Peak classical rating: 2,321 (Jan 2025).
How many games has Sergio Romero Calduch played?
Our database contains 274 games by Sergio Romero Calduch, covering Jul 2009 to Jul 2026. Overall record: 126 wins, 75 draws, 73 losses (46.0% win rate).
How do I prepare against Sergio Romero Calduch?
274 games by Sergio Romero Calduch 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.