Prepare against Isaias Merma
Peru · World #103,245 classical · FIDE ID 3803066
When preparing against Isaias Merma, expect 1.d4 in 58% of White games. Against 1.e4 the reply is 1...e6 (40% of games); against 1.d4, 1...d5 (50%).
Our database contains 37 games by Isaias Merma, covering Jul 2009 to Jul 2026. Below you'll find Isaias Merma's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Isaias Merma 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 | 1,720 | 1,841 | Jul 2011 |
| Rapid | 1,670 | 1,695 | Mar 2025 |
| Blitz | 1,757 | 1,799 | Sep 2024 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 37 | 11 | 7 | 19 | 29.7% |
| As White | 19 | 4 | 4 | 11 | 21.1% |
| As Black | 18 | 7 | 3 | 8 | 38.9% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Isaias Merma's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Isaias Merma's side.
First moves as White (19 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 11 | 57.9% | 31.8% |
| e4 | 8 | 42.1% | 31.3% |
Main lines as White
- 1.d4 — 58% of White games, 31.8% score
- …Nf6 (73% of these games) — Merma usually continues c4 (42.9% score)
- …d5 (27% of these games) — Merma usually continues c4 (16.7% score)
- 1.e4 — 42% of White games, 31.3% score
- …e5 (38% of these games) — Merma usually continues Nf3 (75.0% score)
- …c5 (25% of these games) — Merma usually continues Nf3 (0.0% score)
- …e6 (13% of these games) — Merma usually continues Nf3 (0.0% score)
As Black against 1.e4 (5 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e6 | 2 | 40.0% | 50.0% |
| c5 | 1 | 20.0% | 0.0% |
| Nc6 | 1 | 20.0% | 100.0% |
| e5 | 1 | 20.0% | 100.0% |
As Black against 1.d4 (8 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 4 | 50.0% | 37.5% |
| Nf6 | 4 | 50.0% | 62.5% |
Isaias Merma's chess games
All 37 games by Isaias Merma 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: 11 wins, 7 draws, 19 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A30 | Benoni Defense | 4 | 1/1/2 | 25.0% |
| E12 | Queen's Indian Defense | 2 | 1/1/0 | 50.0% |
| D45 | Slav Defense | 2 | 0/1/1 | 0.0% |
| C50 | Italian Game: Giuoco Pianissimo | 1 | 0/1/0 | 0.0% |
| C34 | King's Gambit | 1 | 1/0/0 | 100.0% |
| E92 | King's Indian Defense: Orthodox Variation | 1 | 0/0/1 | 0.0% |
| B04 | Alekhine Defense | 1 | 0/0/1 | 0.0% |
| C92 | Ruy Lopez: Closed | 1 | 1/0/0 | 100.0% |
| B01 | Scandinavian Defense: Main Line | 1 | 0/0/1 | 0.0% |
| B73 | Sicilian: Dragon | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D40 | Indian Defense | 4 | 1/2/1 | 25.0% |
| A07 | Réti Opening | 2 | 1/0/1 | 50.0% |
| A39 | English Opening | 1 | 0/0/1 | 0.0% |
| C06 | French: Tarrasch Variation | 1 | 1/0/0 | 100.0% |
| D11 | Indian Defense: Tartakower Attack | 1 | 1/0/0 | 100.0% |
| C50 | Italian Game | 1 | 1/0/0 | 100.0% |
| C00 | King's Indian Attack | 1 | 0/0/1 | 0.0% |
| D02 | London System | 1 | 1/0/0 | 100.0% |
| C02 | Nimzowitsch Defense: Scandinavian Variation | 1 | 1/0/0 | 100.0% |
| D43 | Queen's Gambit Declined: Ragozin Defense | 1 | 0/1/0 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Mar 2005 | Jorge Franco | 2,048 | Lima Open | A30 |
| Feb 2025 | Edwin Condori | 1,967 | Zonal 2.4 2025 | A09 |
| May 2023 | Cassio Roberto Sopko | 1,832 | ch-Pan American Seniors 65 | D11 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| 1st Quillabamba IRT | 2012 | 10 | 6.5 | 2,053 |
| ch-Pan American Seniors 65 | 2023 | 9 | 3 | 1,765 |
| 1st Lima qual Open | 2002 | 8 | 3 | 2,120 |
| Zonal 2.4 2025 | 2025 | 6 | 1 | 1,733 |
| Lima Open | 2005 | 2 | 1 | 2,101 |
| 1st PER Grand Prix | 2004 | 1 | 0 | 1,767 |
| 5th Lima Circulo Peruano | 2014 | 1 | 0 | – |
Interactive opening tree from all 37 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Isaias Merma's chess games?
37 games by Isaias Merma, 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 Isaias Merma has played.
What does Isaias Merma play on the first move as White?
Across 19 games with White in our database, Isaias Merma opens with 1.d4 (58% of games), 1.e4 (42% of games). Against 1.e4 as Black, Isaias Merma answers 1...e6 (40% of games), 1...c5 (20% of games), 1...Nc6 (20% of games). Against 1.d4: 1...d5 (50% of games), 1...Nf6 (50% of games).
What openings does Isaias Merma play as White?
As White, Isaias Merma's most-played openings in our database are: Benoni Defense (4 games, 25.0% win rate); Queen's Indian Defense (2 games, 50.0% win rate); Slav Defense (2 games, 0.0% win rate). The full breakdown of 19 games with White is in the table above.
What openings does Isaias Merma play as Black?
As Black, Isaias Merma most often plays: Indian Defense (4 games, 25.0% win rate); Réti Opening (2 games, 50.0% win rate); English Opening (1 games, 0.0% win rate). See the table above for the top ten Black openings across 18 games.
What is Isaias Merma's FIDE rating?
Isaias Merma is currently rated 1,720 in classical chess, 1,670 in rapid and 1,757 in blitz. Peak classical rating: 1,841 (Jul 2011).
How many games has Isaias Merma played?
Our database contains 37 games by Isaias Merma, covering Jul 2009 to Jul 2026. Overall record: 11 wins, 7 draws, 19 losses (29.7% win rate).
How do I prepare against Isaias Merma?
37 games by Isaias Merma 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.