Prepare against Oscar Cuellar
CUR · World #34,789 classical · FIDE ID 7500327
Our database contains 32 games by Oscar Cuellar, covering Jul 2006 to Jul 2026. Below you'll find Oscar Cuellar's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Oscar Cuellar 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 | 1,960 | 2,128 | Jul 2006 |
| Blitz | 1,958 | 1,960 | Mar 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 32 | 8 | 6 | 18 | 25.0% |
| As White | 17 | 3 | 2 | 12 | 17.6% |
| As Black | 15 | 5 | 4 | 6 | 33.3% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Oscar Cuellar's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Oscar Cuellar's side.
First moves as White (17 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 15 | 88.2% | 20.0% |
| e4 | 2 | 11.8% | 50.0% |
Main lines as White
- 1.d4 — 88% of White games, 20.0% score
- …Nf6 (47% of these games) — Cuellar usually continues c4 (0.0% score)
- …d5 (40% of these games) — Cuellar usually continues c4 (37.5% score)
- …f5 (7% of these games) — Cuellar usually continues c4 (0.0% score)
- 1.e4 — 12% of White games, 50.0% score
- …e5 (50% of these games) — Cuellar usually continues d4 (0.0% score)
- …c5 (50% of these games) — Cuellar usually continues Nf3 (100.0% score)
As Black against 1.e4 (10 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c6 | 10 | 100.0% | 45.0% |
As Black against 1.d4 (5 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 4 | 80.0% | 37.5% |
| e6 | 1 | 20.0% | 100.0% |
Oscar Cuellar's chess games
All 32 games by Oscar Cuellar in the Chess.ceo database (Jul 2006 - 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: 8 wins, 6 draws, 18 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| E32 | Nimzo-Indian: Classical Variation | 3 | 0/0/3 | 0.0% |
| A45 | London System | 3 | 1/1/1 | 33.3% |
| D08 | Albin Countergambit | 3 | 1/1/1 | 33.3% |
| D36 | Indian Defense | 2 | 0/0/2 | 0.0% |
| D02 | Queen's Pawn Game | 1 | 0/0/1 | 0.0% |
| C45 | Scotch Game | 1 | 0/0/1 | 0.0% |
| B35 | Sicilian: Dragon | 1 | 1/0/0 | 100.0% |
| A32 | Benoni Defense | 1 | 0/0/1 | 0.0% |
| A85 | Dutch Defense | 1 | 0/0/1 | 0.0% |
| A41 | Modern Defense | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B19 | Caro-Kann: Classical | 4 | 1/1/2 | 25.0% |
| B10 | Caro-Kann | 2 | 2/0/0 | 100.0% |
| D45 | Slav Defense | 2 | 1/0/1 | 50.0% |
| B13 | Caro-Kann: Exchange Variation | 1 | 0/1/0 | 0.0% |
| B15 | Caro-Kann: Main Line | 1 | 0/1/0 | 0.0% |
| B11 | Caro-Kann: Two Knights Variation | 1 | 0/0/1 | 0.0% |
| A80 | Horwitz Defense | 1 | 1/0/0 | 100.0% |
| D00 | Queen's Pawn Game | 1 | 0/1/0 | 0.0% |
| D31 | Semi-Slav Defense | 1 | 0/0/1 | 0.0% |
| B12 | Caro-Kann: Advance Variation | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jun 2006 | Zuzana Kovacova | 2,098 | Olympiad-37 | B19 |
| May 2006 | Willem Adriaan Jacobusse | 2,022 | Olympiad-37 | A80 |
| May 2006 | Sinclair Wilkinson | 1,880 | Olympiad-37 | B10 |
| Jul 2011 | Seydi Salim-Moussa | 1,816 | Curacao Open 11th | B11 |
| Aug 2024 | Joseph Almanza Montoya | 1,793 | 31st Medellin Castro Memorial Open A | B07 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Olympiad-37 | 2006 | 11 | 4 | 2,096 |
| Curacao Open 11th | 2011 | 8 | 3.5 | 1,970 |
| 31st Medellin Castro Memorial Open A | 2024 | 6 | 2 | 1,723 |
| 1st American Continental | 2001 | 4 | 0 | 1,888 |
| San Cristobal Open | 1998 | 3 | 1.5 | – |
Interactive opening tree from all 32 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Oscar Cuellar's chess games?
32 games by Oscar Cuellar, from Jul 2006 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 Oscar Cuellar has played.
What does Oscar Cuellar play on the first move as White?
Across 17 games with White in our database, Oscar Cuellar opens with 1.d4 (88% of games), 1.e4 (12% of games). Against 1.e4 as Black, Oscar Cuellar answers 1...c6 (100% of games). Against 1.d4: 1...d5 (80% of games), 1...e6 (20% of games).
What openings does Oscar Cuellar play as White?
As White, Oscar Cuellar's most-played openings in our database are: Nimzo-Indian: Classical Variation (3 games, 0.0% win rate); London System (3 games, 33.3% win rate); Albin Countergambit (3 games, 33.3% win rate). The full breakdown of 17 games with White is in the table above.
What openings does Oscar Cuellar play as Black?
As Black, Oscar Cuellar most often plays: Caro-Kann: Classical (4 games, 25.0% win rate); Caro-Kann (2 games, 100.0% win rate); Slav Defense (2 games, 50.0% win rate). See the table above for the top ten Black openings across 15 games.
What is Oscar Cuellar's FIDE rating?
Oscar Cuellar is currently rated 1,960 in classical chess and 1,958 in blitz. Peak classical rating: 2,128 (Jul 2006).
How many games has Oscar Cuellar played?
Our database contains 32 games by Oscar Cuellar, covering Jul 2006 to Jul 2026. Overall record: 8 wins, 6 draws, 18 losses (25.0% win rate).
How do I prepare against Oscar Cuellar?
32 games by Oscar Cuellar 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.