Prepare against Marvin Andres Guevara Ruiz
FM · SLV · World #23,628 classical · FIDE ID 6708889
When preparing against Marvin Andres Guevara Ruiz, expect 1.e4 in 86% of White games. Against 1.e4 the reply is 1...c5 (85% of games); against 1.d4, 1...d5 (50%). Lowest win rate among frequent openings: Sicilian as Black, 31.3% over 16 games.
Our database contains 130 games by Marvin Andres Guevara Ruiz, covering Oct 2021 to Sep 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 | 2,029 | 2,149 | Aug 2026 |
| Rapid | 1,801 | 1,801 | Sep 2026 |
| Blitz | 1,849 | 1,965 | Aug 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 130 | 51 | 26 | 53 | 39.2% |
| As White | 66 | 31 | 14 | 21 | 47.0% |
| As Black | 64 | 20 | 12 | 32 | 31.3% |
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 (65 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 56 | 86.2% | 61.6% |
| d4 | 5 | 7.7% | 40.0% |
| c4 | 4 | 6.2% | 37.5% |
Main lines as White
- 1.e4 — 86% of White games, 61.6% score
- …c5 (48% of these games) — Ruiz usually continues Nf3 (59.5% score)
- …e5 (20% of these games) — Ruiz usually continues Nf3 (75.0% score)
- …e6 (11% of these games) — Ruiz usually continues d4 (66.7% score)
- 1.d4 — 8% of White games, 40.0% score
- …Nf6 (60% of these games) — Ruiz usually continues Nf3 (50.0% score)
- …d5 (40% of these games) — Ruiz usually continues Nf3 (50.0% score)
As Black against 1.e4 (34 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 29 | 85.3% | 46.6% |
| d6 | 3 | 8.8% | 33.3% |
| c6 | 1 | 2.9% | 50.0% |
| e6 | 1 | 2.9% | 0.0% |
As Black against 1.d4 (20 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 10 | 50.0% | 20.0% |
| Nf6 | 9 | 45.0% | 44.4% |
Marvin Andres Guevara Ruiz's chess games
All 130 games by Marvin Andres Guevara Ruiz in the Chess.ceo database (Oct 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: 51 wins, 26 draws, 53 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B38 | Sicilian: Accelerated Dragon | 6 | 2/2/2 | 33.3% |
| B33 | Sicilian: Four Knights | 5 | 2/2/1 | 40.0% |
| B50 | Sicilian | 5 | 2/3/0 | 40.0% |
| B21 | Sicilian: Smith-Morra Gambit | 5 | 1/1/3 | 20.0% |
| C10 | French Defense | 4 | 4/0/0 | 100.0% |
| D02 | Catalan | 3 | 0/1/2 | 0.0% |
| C50 | Italian Game: Giuoco Pianissimo | 3 | 2/0/1 | 66.7% |
| C54 | Italian Game: Classical Variation | 3 | 2/0/1 | 66.7% |
| C55 | Italian Game | 3 | 3/0/0 | 100.0% |
| B12 | Caro-Kann: Advance Variation | 3 | 2/1/0 | 66.7% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B30 | Sicilian | 16 | 5/3/8 | 31.3% |
| D02 | Queen's Pawn Game | 4 | 0/2/2 | 0.0% |
| B23 | Sicilian: Closed | 4 | 1/1/2 | 25.0% |
| A11 | English Opening: Slav Setup | 3 | 0/3/0 | 0.0% |
| B30 | Sicilian: Rossolimo | 3 | 0/0/3 | 0.0% |
| B22 | Sicilian: Alapin | 3 | 2/0/1 | 66.7% |
| D15 | Slav Defense | 3 | 0/1/2 | 0.0% |
| A45 | London System | 3 | 1/1/1 | 33.3% |
| D27 | English Opening | 3 | 1/0/2 | 33.3% |
| B00 | Pirc Defense | 2 | 0/0/2 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Aug 2026 | Erick Marvin Guevara Sanchez | 2,067 | XII Torneo Internacional Feria Agostina 2026 | B53 |
| Aug 2026 | Esteban Quesada Fallas | 2,033 | Pan American U-20 Championship 2026 | Open | B45 |
| 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 | B50 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| 16th American Continental | 2022 | 10 | 3.5 | 1,498 |
| World Cup U12 Prel | 2021 | 10 | 4 | 1,310 |
| Pan American U-20 Championship 2026 | Open | 2026 | 9 | 4.5 | 1,989 |
| 31st ch-Pan American Hybrid U12 | 2021 | 9 | 4.5 | 1,347 |
| World Youth U16 Olympiad | 2025 | 9 | 3.5 | 1,863 |
| 9th ch-Iberoamerican | 2023 | 9 | 5 | 1,821 |
| ch-Caribbean U12 | 2021 | 9 | 7 | 1,454 |
| 46th FIDE Chess Olympiad Samarkand 2026 | Open | Matches 1-12 | 2026 | 8 | 2.5 | 2,117 |
Interactive opening tree from all 130 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Marvin Andres Guevara Ruiz's chess games?
130 games by Marvin Andres Guevara Ruiz, from Oct 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 Marvin Andres Guevara Ruiz has played.
What does Marvin Andres Guevara Ruiz play on the first move as White?
Across 65 games with White in our database, Marvin Andres Guevara Ruiz opens with 1.e4 (86% of games), 1.d4 (8% of games), 1.c4 (6% of games). Against 1.e4 as Black, Marvin Andres Guevara Ruiz answers 1...c5 (85% of games), 1...d6 (9% of games), 1...c6 (3% of games). Against 1.d4: 1...d5 (50% of games), 1...Nf6 (45% 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: Four Knights (5 games, 40.0% win rate); Sicilian (5 games, 40.0% win rate). The full breakdown of 66 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 (16 games, 31.3% win rate); Queen's Pawn Game (4 games, 0.0% win rate); Sicilian: Closed (4 games, 25.0% win rate). See the table above for the top ten Black openings across 64 games.
What is Marvin Andres Guevara Ruiz's FIDE rating?
Marvin Andres Guevara Ruiz is currently rated 2,029 in classical chess, 1,801 in rapid and 1,849 in blitz. Peak classical rating: 2,149 (Aug 2026).
How many games has Marvin Andres Guevara Ruiz played?
Our database contains 130 games by Marvin Andres Guevara Ruiz, covering Oct 2021 to Sep 2026. Overall record: 51 wins, 26 draws, 53 losses (39.2% win rate).
How do I prepare against Marvin Andres Guevara Ruiz?
130 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.