Prepare against Marvin Andres Guevara Ruiz
FM · SLV · World #11,375 classical · FIDE ID 6708889
Our database contains 108 games by Marvin Andres Guevara Ruiz, covering Oct 2021 to Aug 2026. Below you'll find Marvin Andres Guevara Ruiz's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Marvin Andres Guevara Ruiz 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 | 2,149 | 2,149 | Aug 2026 |
| Rapid | 1,801 | 1,801 | Aug 2026 |
| Blitz | 1,965 | 1,965 | Aug 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 108 | 45 | 20 | 43 | 41.7% |
| As White | 55 | 26 | 12 | 17 | 47.3% |
| As Black | 53 | 19 | 8 | 26 | 35.8% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Marvin Andres Guevara Ruiz's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Marvin Andres Guevara Ruiz's side.
First moves as White (55 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 49 | 89.1% | 60.2% |
| d4 | 4 | 7.3% | 50.0% |
| c4 | 2 | 3.6% | 25.0% |
Main lines as White
- 1.e4 — 89% of White games, 60.2% score
- …c5 (49% of these games) — Ruiz usually continues Nf3 (55.6% score)
- …e5 (20% of these games) — Ruiz usually continues Nf3 (72.2% score)
- …e6 (12% of these games) — Ruiz usually continues d4 (66.7% score)
- 1.d4 — 7% of White games, 50.0% score
- …d5 (50% of these games) — Ruiz usually continues Nf3 (50.0% score)
- …Nf6 (50% of these games) — Ruiz usually continues Nf3 (100.0% score)
As Black against 1.e4 (30 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 27 | 90.0% | 46.3% |
| d6 | 2 | 6.7% | 50.0% |
| e6 | 1 | 3.3% | 0.0% |
As Black against 1.d4 (15 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 8 | 53.3% | 50.0% |
| d5 | 7 | 46.7% | 21.4% |
Marvin Andres Guevara Ruiz's chess games
All 108 games by Marvin Andres Guevara Ruiz in the Chess.ceo database (Oct 2021 - 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: 45 wins, 20 draws, 43 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B38 | Sicilian: Accelerated Dragon | 6 | 2/2/2 | 33.3% |
| B21 | Sicilian: Smith-Morra Gambit | 5 | 1/1/3 | 20.0% |
| B33 | Sicilian: Four Knights | 5 | 2/2/1 | 40.0% |
| C10 | French Defense | 4 | 4/0/0 | 100.0% |
| C20 | Italian Game: Classical Variation | 3 | 2/0/1 | 66.7% |
| B12 | Caro-Kann: Advance Variation | 3 | 2/1/0 | 66.7% |
| B56 | Sicilian | 3 | 1/2/0 | 33.3% |
| C50 | Italian Game: Giuoco Pianissimo | 3 | 2/0/1 | 66.7% |
| C50 | Italian Game | 2 | 2/0/0 | 100.0% |
| A15 | English Opening | 2 | 0/1/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B30 | Sicilian | 14 | 4/3/7 | 28.6% |
| B23 | Sicilian: Closed | 4 | 1/1/2 | 25.0% |
| A45 | London System | 3 | 1/1/1 | 33.3% |
| D15 | Slav Defense | 3 | 0/1/2 | 0.0% |
| D27 | English Opening | 3 | 1/0/2 | 33.3% |
| B22 | Sicilian: Alapin | 3 | 2/0/1 | 66.7% |
| B30 | Sicilian: Rossolimo | 3 | 0/0/3 | 0.0% |
| D35 | Indian Defense | 2 | 2/0/0 | 100.0% |
| A45 | Queen's Pawn Game | 2 | 0/1/1 | 0.0% |
| B00 | Pirc Defense | 2 | 0/0/2 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Aug 2026 | Esteban Quesada Fallas | 2,033 | Pan American U-20 Championship 2026 | Open | B40 |
| Jun 2026 | Angie Garcia | 2,001 | Segundo Campeonato Nacional Open 2026 | El Salvador | C54 |
| May 2026 | Daniel Ramos Rodriguez | 1,984 | XV Campeonato Panamericano U7 - U17 de Ajedrez 2026 | O17 | C10 |
| Aug 2026 | Daniel Ramirez | 1,975 | Pan American U-20 Championship 2026 | Open | B00 |
| Aug 2026 | Aayush Jain | 1,944 | Pan American U-20 Championship 2026 | Open | B00 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| World Cup U12 Prel | 2021 | 10 | 4 | 1,310 |
| 16th American Continental | 2022 | 10 | 3.5 | 1,498 |
| 9th ch-Iberoamerican | 2023 | 9 | 5 | 1,821 |
| 31st ch-Pan American Hybrid U12 | 2021 | 9 | 4.5 | 1,347 |
| ch-Caribbean U12 | 2021 | 9 | 7 | 1,454 |
| World Youth U16 Olympiad | 2025 | 9 | 3.5 | 1,863 |
| Pan American U-20 Championship 2026 | Open | 2026 | 9 | 4.5 | 1,989 |
| Olympiad-45 | 2024 | 8 | 3 | 1,945 |
Interactive opening tree from all 108 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Marvin Andres Guevara Ruiz's chess games?
108 games by Marvin Andres Guevara Ruiz, from Oct 2021 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 Marvin Andres Guevara Ruiz has played.
What does Marvin Andres Guevara Ruiz play on the first move as White?
Across 55 games with White in our database, Marvin Andres Guevara Ruiz opens with 1.e4 (89% of games), 1.d4 (7% of games), 1.c4 (4% of games). Against 1.e4 as Black, Marvin Andres Guevara Ruiz answers 1...c5 (90% of games), 1...d6 (7% of games), 1...e6 (3% of games). Against 1.d4: 1...Nf6 (53% of games), 1...d5 (47% of games).
What openings does Marvin Andres Guevara Ruiz play as White?
As White, Marvin Andres Guevara Ruiz's most-played openings in our database are: Sicilian: Accelerated Dragon (6 games, 33.3% win rate); Sicilian: Smith-Morra Gambit (5 games, 20.0% win rate); Sicilian: Four Knights (5 games, 40.0% win rate). The full breakdown of 55 games with White is in the table above.
What openings does Marvin Andres Guevara Ruiz play as Black?
As Black, Marvin Andres Guevara Ruiz most often plays: Sicilian (14 games, 28.6% win rate); Sicilian: Closed (4 games, 25.0% win rate); London System (3 games, 33.3% win rate). See the table above for the top ten Black openings across 53 games.
What is Marvin Andres Guevara Ruiz's FIDE rating?
Marvin Andres Guevara Ruiz is currently rated 2,149 in classical chess, 1,801 in rapid and 1,965 in blitz. Peak classical rating: 2,149 (Aug 2026).
How many games has Marvin Andres Guevara Ruiz played?
Our database contains 108 games by Marvin Andres Guevara Ruiz, covering Oct 2021 to Aug 2026. Overall record: 45 wins, 20 draws, 43 losses (41.7% win rate).
How do I prepare against Marvin Andres Guevara Ruiz?
108 games by Marvin Andres Guevara Ruiz 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.