Prepare against Julio Cesar Diaz Rosas
IM · Mexico · World #2,087 classical · FIDE ID 5105099
Our database contains 851 games by Julio Cesar Diaz Rosas, covering Apr 2009 to Aug 2026. Below you'll find Julio Cesar Diaz Rosas's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Julio Cesar Diaz Rosas 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 | 2,379 | 2,411 | Nov 2024 |
| Rapid | 2,214 | 2,226 | Jun 2024 |
| Blitz | 2,301 | 2,313 | Aug 2025 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 851 | 394 | 127 | 330 | 46.3% |
| As White | 415 | 204 | 58 | 153 | 49.2% |
| As Black | 436 | 190 | 69 | 177 | 43.6% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Julio Cesar Diaz Rosas's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Julio Cesar Diaz Rosas's side.
First moves as White (415 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 252 | 60.7% | 50.8% |
| d4 | 123 | 29.6% | 64.2% |
| Nf3 | 19 | 4.6% | 57.9% |
| c4 | 10 | 2.4% | 90.0% |
| b3 | 8 | 1.9% | 62.5% |
| g3 | 2 | 0.5% | 0.0% |
Main lines as White
- 1.e4 — 61% of White games, 50.8% score
- …c5 (46% of these games) — Rosas usually continues Nf3 (55.2% score)
- …e5 (21% of these games) — Rosas usually continues Nf3 (43.4% score)
- …c6 (13% of these games) — Rosas usually continues d4 (41.9% score)
- 1.d4 — 30% of White games, 64.2% score
- …Nf6 (66% of these games) — Rosas usually continues c4 (67.6% score)
- …d5 (24% of these games) — Rosas usually continues c4 (55.4% score)
- …e6 (3% of these games) — Rosas usually continues c4 (100.0% score)
As Black against 1.e4 (204 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 103 | 50.5% | 51.5% |
| e5 | 61 | 29.9% | 59.8% |
| c6 | 22 | 10.8% | 59.1% |
| e6 | 10 | 4.9% | 45.0% |
| g6 | 4 | 2.0% | 37.5% |
| d5 | 3 | 1.5% | 33.3% |
As Black against 1.d4 (139 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 95 | 68.3% | 46.8% |
| d5 | 39 | 28.1% | 51.3% |
| g6 | 3 | 2.2% | 83.3% |
| d6 | 1 | 0.7% | 50.0% |
Julio Cesar Diaz Rosas's chess games
All 851 games by Julio Cesar Diaz Rosas in the Chess.ceo database (Apr 2009 - Aug 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: 394 wins, 127 draws, 330 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B41 | Sicilian | 60 | 31/9/20 | 51.7% |
| B90 | Sicilian: Najdorf | 23 | 10/1/12 | 43.5% |
| B12 | Caro-Kann: Advance Variation | 20 | 7/2/11 | 35.0% |
| E24 | Nimzo-Indian: Sämisch Variation | 19 | 8/2/9 | 42.1% |
| A50 | Indian Defense | 16 | 9/1/6 | 56.3% |
| E04 | Catalan | 16 | 9/2/5 | 56.3% |
| A11 | Slav Defense | 14 | 7/1/6 | 50.0% |
| C84 | Ruy Lopez: Closed | 12 | 4/3/5 | 33.3% |
| B06 | Modern Defense | 11 | 4/2/5 | 36.4% |
| B13 | Caro-Kann: Exchange Variation | 10 | 4/2/4 | 40.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B90 | Sicilian: Najdorf | 34 | 15/3/16 | 44.1% |
| B50 | Sicilian | 33 | 18/2/13 | 54.5% |
| D35 | Indian Defense | 31 | 9/10/12 | 29.0% |
| D85 | Grünfeld Defense | 28 | 12/5/11 | 42.9% |
| A16 | English Opening | 24 | 11/0/13 | 45.8% |
| D02 | London System | 13 | 1/2/10 | 7.7% |
| E05 | Catalan | 13 | 9/1/3 | 69.2% |
| A07 | Réti Opening | 12 | 4/3/5 | 33.3% |
| B51 | Sicilian: Moscow Variation | 12 | 5/3/4 | 41.7% |
| A45 | Queen's Pawn Game | 11 | 6/1/4 | 54.5% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Nov 2020 | Rasmus Svane | 2,613 | Titled Tue | E62 |
| Apr 2014 | Isan Reynaldo Ortiz Suarez | 2,604 | Cuernavaca Sisniega Memorial | A62 |
| Dec 2019 | Yasser Quesada Perez | 2,582 | 31st Carlos Torre Memorial Open | C88 |
| May 2022 | Gregory Kaidanov | 2,556 | 16th American Continental | C88 |
| Nov 2020 | Levan Pantsulaia | 2,553 | Titled Tue | C00 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Titled Tuesday | 2026 | 487 | 251.5 | 2,298 |
| ch-MEX | 2024 | 18 | 12 | 2,379 |
| 18th American Continental | 2025 | 18 | 12.5 | 2,407 |
| 19th American Continental | 2026 | 11 | 7.5 | 2,443 |
| 16th American Continental | 2022 | 11 | 7 | 2,383 |
| Pereira Gildardo Garcia Memorial A | 2022 | 10 | 6 | 2,185 |
| 32nd Carlos Torre Mem Open | 2022 | 9 | 5.5 | 2,294 |
| Olympiad-44 | 2022 | 9 | 5 | 2,269 |
Interactive opening tree from all 851 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Julio Cesar Diaz Rosas's chess games?
851 games by Julio Cesar Diaz Rosas, from Apr 2009 to Aug 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 Julio Cesar Diaz Rosas has played.
What does Julio Cesar Diaz Rosas play on the first move as White?
Across 415 games with White in our database, Julio Cesar Diaz Rosas opens with 1.e4 (61% of games), 1.d4 (30% of games), 1.Nf3 (5% of games). Against 1.e4 as Black, Julio Cesar Diaz Rosas answers 1...c5 (50% of games), 1...e5 (30% of games), 1...c6 (11% of games). Against 1.d4: 1...Nf6 (68% of games), 1...d5 (28% of games), 1...g6 (2% of games).
What openings does Julio Cesar Diaz Rosas play as White?
As White, Julio Cesar Diaz Rosas's most-played openings in our database are: Sicilian (60 games, 51.7% win rate); Sicilian: Najdorf (23 games, 43.5% win rate); Caro-Kann: Advance Variation (20 games, 35.0% win rate). The full breakdown of 415 games with White is in the table above.
What openings does Julio Cesar Diaz Rosas play as Black?
As Black, Julio Cesar Diaz Rosas most often plays: Sicilian: Najdorf (34 games, 44.1% win rate); Sicilian (33 games, 54.5% win rate); Indian Defense (31 games, 29.0% win rate). See the table above for the top ten Black openings across 436 games.
What is Julio Cesar Diaz Rosas's FIDE rating?
Julio Cesar Diaz Rosas is currently rated 2,379 in classical chess, 2,214 in rapid and 2,301 in blitz. Peak classical rating: 2,411 (Nov 2024).
How many games has Julio Cesar Diaz Rosas played?
Our database contains 851 games by Julio Cesar Diaz Rosas, covering Apr 2009 to Aug 2026. Overall record: 394 wins, 127 draws, 330 losses (46.3% win rate).
How do I prepare against Julio Cesar Diaz Rosas?
851 games by Julio Cesar Diaz Rosas 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.