Prepare against Quoc Hy Nguyen
IM · VNM · World #1,313 classical · FIDE ID 12410853
When preparing against Quoc Hy Nguyen, expect 1.d4 in 81% of White games. Against 1.e4 the reply is 1...c5 (78% of games); against 1.d4, 1...d5 (68%). Lowest win rate among frequent openings: Semi-Slav Defense as Black, 29.6% over 27 games.
Our database contains 1,040 games by Quoc Hy Nguyen, covering Nov 2012 to Aug 2026. Below you'll find Quoc Hy Nguyen's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Quoc Hy Nguyen 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 | 2,424 | 2,432 | Jul 2026 |
| Rapid | 2,314 | 2,314 | Aug 2026 |
| Blitz | 2,256 | 2,256 | Aug 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 1,040 | 541 | 195 | 304 | 52.0% |
| As White | 523 | 281 | 102 | 140 | 53.7% |
| As Black | 517 | 260 | 93 | 164 | 50.3% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Quoc Hy Nguyen's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Quoc Hy Nguyen's side.
First moves as White (522 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 423 | 81.0% | 64.9% |
| e4 | 41 | 7.9% | 59.8% |
| c4 | 33 | 6.3% | 54.5% |
| Nf3 | 21 | 4.0% | 52.4% |
| f4 | 3 | 0.6% | 100.0% |
| b3 | 1 | 0.2% | 100.0% |
Main lines as White
- 1.d4 — 81% of White games, 64.9% score
- …Nf6 (61% of these games) — Nguyen usually continues c4 (63.2% score)
- …d5 (29% of these games) — Nguyen usually continues c4 (77.2% score)
- …e6 (3% of these games) — Nguyen usually continues c4 (60.0% score)
- 1.e4 — 8% of White games, 59.8% score
- …c5 (54% of these games) — Nguyen usually continues Nf3 (53.8% score)
- …e5 (24% of these games) — Nguyen usually continues Nf3 (75.0% score)
- …c6 (10% of these games) — Nguyen usually continues d4 (50.0% score)
As Black against 1.e4 (226 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 176 | 77.9% | 64.5% |
| e5 | 38 | 16.8% | 47.4% |
| g6 | 6 | 2.7% | 66.7% |
| d6 | 3 | 1.3% | 66.7% |
| e6 | 1 | 0.4% | 0.0% |
| d5 | 1 | 0.4% | 100.0% |
As Black against 1.d4 (195 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 132 | 67.7% | 54.5% |
| Nf6 | 47 | 24.1% | 55.3% |
| f5 | 10 | 5.1% | 80.0% |
| c5 | 5 | 2.6% | 50.0% |
| Nc6 | 1 | 0.5% | 100.0% |
Quoc Hy Nguyen's chess games
All 1,040 games by Quoc Hy Nguyen in the Chess.ceo database (Nov 2012 - 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: 541 wins, 195 draws, 304 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D37 | Indian Defense | 54 | 30/12/12 | 55.6% |
| E48 | Nimzo-Indian: Rubinstein System | 48 | 24/13/11 | 50.0% |
| D10 | Slav Defense | 46 | 32/9/5 | 69.6% |
| E32 | Nimzo-Indian: Classical Variation | 34 | 18/4/12 | 52.9% |
| A67 | Benoni Defense | 27 | 15/5/7 | 55.6% |
| E94 | King's Indian Defense: Orthodox Variation | 23 | 12/4/7 | 52.2% |
| D32 | Queen's Gambit Declined | 21 | 7/6/8 | 33.3% |
| D03 | Torre Attack | 19 | 7/4/8 | 36.8% |
| D80 | Grünfeld Defense | 16 | 5/1/10 | 31.3% |
| E70 | King's Indian Defense | 15 | 11/2/2 | 73.3% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B90 | Sicilian: Najdorf | 50 | 31/7/12 | 62.0% |
| D30 | Slav Defense | 50 | 24/11/15 | 48.0% |
| B53 | Sicilian | 41 | 22/7/12 | 53.7% |
| D02 | London System | 28 | 16/4/8 | 57.1% |
| D31 | Semi-Slav Defense | 27 | 8/5/14 | 29.6% |
| A07 | Réti Opening | 22 | 12/5/5 | 54.5% |
| B31 | Sicilian: Rossolimo | 22 | 9/5/8 | 40.9% |
| B51 | Sicilian: Moscow Variation | 21 | 10/5/6 | 47.6% |
| D02 | Queen's Pawn Game | 19 | 7/5/7 | 36.8% |
| B23 | Sicilian: Closed | 16 | 11/2/3 | 68.8% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Mar 2026 | Quang Liem Le | 2,731 | Titled Tue | A06 |
| Jul 2021 | Kirill Alekseenko | 2,699 | Titled Tue | D00 |
| May 2020 | Pavel Eljanov | 2,672 | Titled Tue | A47 |
| Sep 2024 | Dmitrij Kollars | 2,659 | Titled Tue Early | C77 |
| Aug 2020 | Matthias Bluebaum | 2,647 | Titled Tue | D45 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Titled Tuesday | 2026 | 560 | 338 | 2,406 |
| ch-VIE | 2024 | 40 | 17.5 | 2,083 |
| chT-VIE | 2019 | 21 | 10.5 | 2,101 |
| Wch U10 | 2016 | 20 | 14 | 2,062 |
| Wch U12 | 2018 | 20 | 13.5 | 2,147 |
| ch-VIE U20 | 2022 | 20 | 12 | 2,341 |
| ch-VIE U17 | 2022 | 14 | 11.5 | 2,536 |
| Wch U18 | 2023 | 11 | 7 | 2,373 |
Interactive opening tree from all 1,040 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Quoc Hy Nguyen's chess games?
1,040 games by Quoc Hy Nguyen, from Nov 2012 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 Quoc Hy Nguyen has played.
What does Quoc Hy Nguyen play on the first move as White?
Across 522 games with White in our database, Quoc Hy Nguyen opens with 1.d4 (81% of games), 1.e4 (8% of games), 1.c4 (6% of games). Against 1.e4 as Black, Quoc Hy Nguyen answers 1...c5 (78% of games), 1...e5 (17% of games), 1...g6 (3% of games). Against 1.d4: 1...d5 (68% of games), 1...Nf6 (24% of games), 1...f5 (5% of games).
What openings does Quoc Hy Nguyen play as White?
As White, Quoc Hy Nguyen's most-played openings in our database are: Indian Defense (54 games, 55.6% win rate); Nimzo-Indian: Rubinstein System (48 games, 50.0% win rate); Slav Defense (46 games, 69.6% win rate). The full breakdown of 523 games with White is in the table above.
What openings does Quoc Hy Nguyen play as Black?
As Black, Quoc Hy Nguyen most often plays: Sicilian: Najdorf (50 games, 62.0% win rate); Slav Defense (50 games, 48.0% win rate); Sicilian (41 games, 53.7% win rate). See the table above for the top ten Black openings across 517 games.
What is Quoc Hy Nguyen's FIDE rating?
Quoc Hy Nguyen is currently rated 2,424 in classical chess, 2,314 in rapid and 2,256 in blitz. Peak classical rating: 2,432 (Jul 2026).
How many games has Quoc Hy Nguyen played?
Our database contains 1,040 games by Quoc Hy Nguyen, covering Nov 2012 to Aug 2026. Overall record: 541 wins, 195 draws, 304 losses (52.0% win rate).
How do I prepare against Quoc Hy Nguyen?
1,040 games by Quoc Hy Nguyen 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.