Prepare against Jaiden Andres Ubilluz Pena
Ecuador · World #83,632 classical · FIDE ID 3634760
When preparing against Jaiden Andres Ubilluz Pena, expect 1.e4 in 98% of White games. Against 1.e4 the reply is 1...c5 (78% of games); against 1.d4, 1...Nf6 (73%).
Our database contains 96 games by Jaiden Andres Ubilluz Pena, covering Jan 2017 to Jul 2026. Below you'll find Jaiden Andres Ubilluz Pena's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jaiden Andres Ubilluz Pena 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 | 1,778 | 1,825 | Mar 2025 |
| Rapid | 1,951 | 1,951 | Jul 2026 |
| Blitz | 1,911 | 1,911 | Jul 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 96 | 51 | 8 | 37 | 53.1% |
| As White | 49 | 22 | 5 | 22 | 44.9% |
| As Black | 47 | 29 | 3 | 15 | 61.7% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jaiden Andres Ubilluz Pena's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jaiden Andres Ubilluz Pena's side.
First moves as White (49 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 48 | 98.0% | 51.0% |
| b4 | 1 | 2.0% | 0.0% |
Main lines as White
- 1.e4 — 98% of White games, 51.0% score
- …c5 (29% of these games) — Pena usually continues Nf3 (69.2% score)
- …e5 (29% of these games) — Pena usually continues Nf3 (60.7% score)
- …c6 (25% of these games) — Pena usually continues d4 (11.1% score)
- 1.b4 — 2% of White games, 0.0% score
- …e5 (100% of these games) — Pena usually continues Bb2 (0.0% score)
As Black against 1.e4 (27 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 21 | 77.8% | 54.8% |
| g6 | 6 | 22.2% | 83.3% |
As Black against 1.d4 (11 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 8 | 72.7% | 62.5% |
| g6 | 2 | 18.2% | 100.0% |
| c5 | 1 | 9.1% | 100.0% |
Jaiden Andres Ubilluz Pena's chess games
All 96 games by Jaiden Andres Ubilluz Pena in the Chess.ceo database (Jan 2017 - 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: 51 wins, 8 draws, 37 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B12 | Caro-Kann: Advance Variation | 7 | 1/0/6 | 14.3% |
| C47 | Four Knights Game: Scotch Variation | 7 | 4/1/2 | 57.1% |
| B87 | Sicilian: Najdorf | 4 | 3/0/1 | 75.0% |
| C00 | French Defense | 4 | 0/2/2 | 0.0% |
| C45 | Scotch Game | 4 | 2/0/2 | 50.0% |
| B72 | Sicilian | 3 | 2/0/1 | 66.7% |
| B13 | Caro-Kann | 3 | 2/0/1 | 66.7% |
| B06 | Modern Defense | 2 | 0/0/2 | 0.0% |
| B35 | Sicilian: Accelerated Dragon | 2 | 0/2/0 | 0.0% |
| B72 | Sicilian: Dragon | 2 | 2/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B38 | Sicilian: Accelerated Dragon | 11 | 6/0/5 | 54.5% |
| B06 | Modern Defense | 10 | 8/1/1 | 80.0% |
| B30 | Sicilian | 6 | 2/0/4 | 33.3% |
| B24 | Sicilian: Closed | 4 | 2/2/0 | 50.0% |
| A36 | English Opening: Symmetrical | 4 | 3/0/1 | 75.0% |
| A45 | London System | 3 | 1/0/2 | 33.3% |
| A48 | King's Indian Defense | 2 | 1/0/1 | 50.0% |
| B40 | Sicilian: Wing Gambit | 1 | 1/0/0 | 100.0% |
| A62 | Catalan | 1 | 1/0/0 | 100.0% |
| E66 | English Opening | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Aug 2025 | Anastasia Kirtadze | 2,299 | World Youth U16 Olympiad | B38 |
| Aug 2025 | Osiel Alberto Alonso Orta | 2,280 | World Youth U16 Olympiad | B87 |
| Aug 2025 | Alejandro Munoz Feliz | 1,848 | World Youth U16 Olympiad | B38 |
| Jun 2022 | Mayrin Elizabeth Peralta Jimenez | 1,678 | Las Americas Open U1800 Hybrid | C41 |
| Jun 2022 | Leon Felipe Angeles Dorantes | 1,630 | Las Americas Open U1800 Hybrid | C45 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-ECU Schools U13 Clas2 | 2020 | 9 | 6.5 | 1,438 |
| ch-ECU Schools U13 Clas1 | 2020 | 9 | 6 | 1,456 |
| ECU Clasif1 U13 | 2020 | 9 | 6 | 1,460 |
| ch-ECU Schools U15 Clas2 | 2020 | 9 | 5 | 1,506 |
| 17th South America-ch U12 | 2022 | 9 | 4.5 | 1,366 |
| ch-ECU Schools U15 Clas1 | 2020 | 9 | 5 | 1,073 |
| World Youth U16 Olympiad | 2025 | 9 | 5 | 2,030 |
| ch-South America U20 | 2021 | 9 | 4.5 | 1,681 |
Interactive opening tree from all 96 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jaiden Andres Ubilluz Pena's chess games?
96 games by Jaiden Andres Ubilluz Pena, from Jan 2017 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 Jaiden Andres Ubilluz Pena has played.
What does Jaiden Andres Ubilluz Pena play on the first move as White?
Across 49 games with White in our database, Jaiden Andres Ubilluz Pena opens with 1.e4 (98% of games), 1.b4 (2% of games). Against 1.e4 as Black, Jaiden Andres Ubilluz Pena answers 1...c5 (78% of games), 1...g6 (22% of games). Against 1.d4: 1...Nf6 (73% of games), 1...g6 (18% of games), 1...c5 (9% of games).
What openings does Jaiden Andres Ubilluz Pena play as White?
As White, Jaiden Andres Ubilluz Pena's most-played openings in our database are: Caro-Kann: Advance Variation (7 games, 14.3% win rate); Four Knights Game: Scotch Variation (7 games, 57.1% win rate); Sicilian: Najdorf (4 games, 75.0% win rate). The full breakdown of 49 games with White is in the table above.
What openings does Jaiden Andres Ubilluz Pena play as Black?
As Black, Jaiden Andres Ubilluz Pena most often plays: Sicilian: Accelerated Dragon (11 games, 54.5% win rate); Modern Defense (10 games, 80.0% win rate); Sicilian (6 games, 33.3% win rate). See the table above for the top ten Black openings across 47 games.
What is Jaiden Andres Ubilluz Pena's FIDE rating?
Jaiden Andres Ubilluz Pena is currently rated 1,778 in classical chess, 1,951 in rapid and 1,911 in blitz. Peak classical rating: 1,825 (Mar 2025).
How many games has Jaiden Andres Ubilluz Pena played?
Our database contains 96 games by Jaiden Andres Ubilluz Pena, covering Jan 2017 to Jul 2026. Overall record: 51 wins, 8 draws, 37 losses (53.1% win rate).
How do I prepare against Jaiden Andres Ubilluz Pena?
96 games by Jaiden Andres Ubilluz Pena 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.