Prepare against Ethan Chua
NLD · World #6,621 classical · FIDE ID 1089250
When preparing against Ethan Chua, expect 1.e4 in 88% of White games. Against 1.e4 the reply is 1...c5 (57% of games); against 1.d4, 1...Nf6 (100%).
Our database contains 98 games by Ethan Chua, covering Nov 2022 to Aug 2026. Below you'll find Ethan Chua's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Ethan Chua 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 | 2,232 | 2,234 | Jul 2026 |
| Rapid | 2,094 | 2,148 | Jun 2024 |
| Blitz | 1,804 | 1,804 | Aug 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 98 | 44 | 26 | 28 | 44.9% |
| As White | 49 | 21 | 12 | 16 | 42.9% |
| As Black | 49 | 23 | 14 | 12 | 46.9% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Ethan Chua's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Ethan Chua's side.
First moves as White (49 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 43 | 87.8% | 51.2% |
| Nf3 | 3 | 6.1% | 100.0% |
| d4 | 2 | 4.1% | 75.0% |
| c4 | 1 | 2.0% | 50.0% |
Main lines as White
- 1.e4 — 88% of White games, 51.2% score
- …c5 (60% of these games) — Chua usually continues Nf3 (50.0% score)
- …e5 (14% of these games) — Chua usually continues Nf3 (50.0% score)
- …c6 (12% of these games) — Chua usually continues d4 (50.0% score)
- 1.Nf3 — 6% of White games, 100.0% score
- …d5 (33% of these games) — Chua usually continues d4 (100.0% score)
- …c5 (33% of these games) — Chua usually continues c4 (100.0% score)
- …Nf6 (33% of these games) — Chua usually continues d4 (100.0% score)
As Black against 1.e4 (28 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 16 | 57.1% | 81.3% |
| c6 | 8 | 28.6% | 68.8% |
| e5 | 3 | 10.7% | 66.7% |
| e6 | 1 | 3.6% | 0.0% |
As Black against 1.d4 (14 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 14 | 100.0% | 39.3% |
Ethan Chua's chess games
All 98 games by Ethan Chua in the Chess.ceo database (Nov 2022 - 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: 44 wins, 26 draws, 28 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B90 | Sicilian: Najdorf | 8 | 1/4/3 | 12.5% |
| B20 | Sicilian | 6 | 4/0/2 | 66.7% |
| B33 | Sicilian: Sveshnikov | 4 | 1/2/1 | 25.0% |
| B45 | Sicilian: Four Knights | 4 | 3/0/1 | 75.0% |
| C04 | French: Tarrasch Variation | 4 | 4/0/0 | 100.0% |
| B15 | Caro-Kann: Main Line | 2 | 0/1/1 | 0.0% |
| C77 | Ruy Lopez: Morphy Defense | 2 | 1/0/1 | 50.0% |
| D05 | Indian Defense | 2 | 2/0/0 | 100.0% |
| B12 | Caro-Kann: Advance Variation | 2 | 1/1/0 | 50.0% |
| A18 | English Opening: Mikenas Variation | 1 | 0/1/0 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B30 | Sicilian | 8 | 6/1/1 | 75.0% |
| E97 | King's Indian Defense: Orthodox Variation | 5 | 1/2/2 | 20.0% |
| B13 | Caro-Kann: Exchange Variation | 4 | 2/2/0 | 50.0% |
| B23 | Sicilian: Closed | 4 | 3/1/0 | 75.0% |
| A15 | English Opening | 4 | 2/0/2 | 50.0% |
| B30 | Sicilian: Rossolimo | 3 | 2/1/0 | 66.7% |
| A45 | Trompowsky Attack | 2 | 1/1/0 | 50.0% |
| A49 | King's Indian Defense: Fianchetto Variation | 2 | 0/0/2 | 0.0% |
| E06 | Catalan | 1 | 0/1/0 | 0.0% |
| B11 | Caro-Kann: Two Knights Variation | 1 | 1/0/0 | 100.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Apr 2026 | Sascha Kurt | 2,280 | Dutch Youth Championship 2026 | U16 | B20 |
| Oct 2025 | Vladislav Lymar | 2,261 | 42nd Muensterland Open | B13 |
| May 2025 | David Madularea | 2,225 | 15th WLC Weekender | B23 |
| Dec 2025 | Selwin Keuning | 2,196 | 61st Groningen Open | B30 |
| Apr 2026 | Bram Baarspul | 2,177 | Dutch Youth Championship 2026 | U16 | A33 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| World Youth Open U14 2024 | 2024 | 11 | 5.5 | 1,950 |
| Open NK Rapid | 2025 | 9 | 6 | 2,140 |
| Helmond Rapid Open | 2024 | 9 | 5.5 | 1,997 |
| 42nd Muensterland Open | 2025 | 9 | 6 | 2,204 |
| ch-NED U14 | 2023 | 9 | 4 | 1,674 |
| Open Dutch Rapid Championship 2026 | 2026 | 9 | 6 | 2,099 |
| Dutch Open 2026 | 2026 | 8 | 4.5 | 2,230 |
| Dutch Youth Championship 2026 | U16 | 2026 | 7 | 6 | 2,394 |
Interactive opening tree from all 98 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Ethan Chua's chess games?
98 games by Ethan Chua, from Nov 2022 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 Ethan Chua has played.
What does Ethan Chua play on the first move as White?
Across 49 games with White in our database, Ethan Chua opens with 1.e4 (88% of games), 1.Nf3 (6% of games), 1.d4 (4% of games). Against 1.e4 as Black, Ethan Chua answers 1...c5 (57% of games), 1...c6 (29% of games), 1...e5 (11% of games). Against 1.d4: 1...Nf6 (100% of games).
What openings does Ethan Chua play as White?
As White, Ethan Chua's most-played openings in our database are: Sicilian: Najdorf (8 games, 12.5% win rate); Sicilian (6 games, 66.7% win rate); Sicilian: Sveshnikov (4 games, 25.0% win rate). The full breakdown of 49 games with White is in the table above.
What openings does Ethan Chua play as Black?
As Black, Ethan Chua most often plays: Sicilian (8 games, 75.0% win rate); King's Indian Defense: Orthodox Variation (5 games, 20.0% win rate); Caro-Kann: Exchange Variation (4 games, 50.0% win rate). See the table above for the top ten Black openings across 49 games.
What is Ethan Chua's FIDE rating?
Ethan Chua is currently rated 2,232 in classical chess, 2,094 in rapid and 1,804 in blitz. Peak classical rating: 2,234 (Jul 2026).
How many games has Ethan Chua played?
Our database contains 98 games by Ethan Chua, covering Nov 2022 to Aug 2026. Overall record: 44 wins, 26 draws, 28 losses (44.9% win rate).
How do I prepare against Ethan Chua?
98 games by Ethan Chua 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.