Prepare against Sungwon Byun
WCM · South Korea · World #99,260 classical · FIDE ID 13200852
When preparing against Sungwon Byun, expect 1.e4 in 100% of White games. Against 1.e4 the reply is 1...e5 (100% of games); against 1.d4, 1...d5 (100%).
Our database contains 62 games by Sungwon Byun, covering Jul 2009 to Jul 2026. Below you'll find Sungwon Byun's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Sungwon Byun 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 | 1,732 | 1,738 | Jun 2025 |
| Rapid | 1,732 | 1,732 | Jul 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 62 | 13 | 12 | 37 | 21.0% |
| As White | 28 | 5 | 9 | 14 | 17.9% |
| As Black | 34 | 8 | 3 | 23 | 23.5% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Sungwon Byun's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Sungwon Byun's side.
First moves as White (28 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 28 | 100.0% | 33.9% |
Main lines as White
- 1.e4 — 100% of White games, 33.9% score
- …e5 (46% of these games) — Byun usually continues Nf3 (23.1% score)
- …c5 (25% of these games) — Byun usually continues Nf3 (28.6% score)
- …e6 (11% of these games) — Byun usually continues d4 (66.7% score)
As Black against 1.e4 (15 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 15 | 100.0% | 43.3% |
As Black against 1.d4 (16 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 16 | 100.0% | 18.8% |
Sungwon Byun's chess games
All 62 games by Sungwon Byun 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: 13 wins, 12 draws, 37 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C92 | Ruy Lopez: Closed | 5 | 0/2/3 | 0.0% |
| B54 | Sicilian | 3 | 1/1/1 | 33.3% |
| C02 | French: Advance Variation | 3 | 1/2/0 | 33.3% |
| C77 | Ruy Lopez: Morphy Defense | 2 | 0/1/1 | 0.0% |
| B07 | Pirc Defense | 2 | 1/1/0 | 50.0% |
| C69 | Ruy Lopez: Exchange | 1 | 0/0/1 | 0.0% |
| C80 | Ruy Lopez: Open | 1 | 0/0/1 | 0.0% |
| C63 | Ruy Lopez: Schliemann | 1 | 0/0/1 | 0.0% |
| B01 | Scandinavian Defense: Modern Variation | 1 | 1/0/0 | 100.0% |
| B34 | Sicilian: Accelerated Dragon | 1 | 0/1/0 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D19 | Slav Defense | 6 | 1/0/5 | 16.7% |
| C92 | Ruy Lopez: Closed | 6 | 0/2/4 | 0.0% |
| D00 | Queen's Pawn Game | 3 | 0/0/3 | 0.0% |
| C77 | Ruy Lopez: Morphy Defense | 3 | 0/0/3 | 0.0% |
| C50 | Italian Game | 3 | 2/1/0 | 66.7% |
| D05 | Colle System | 2 | 2/0/0 | 100.0% |
| D35 | Semi-Slav Defense | 2 | 0/0/2 | 0.0% |
| C44 | King's Knight Opening: Konstantinopolsky | 1 | 0/0/1 | 0.0% |
| D02 | London System | 1 | 0/0/1 | 0.0% |
| D30 | Queen's Gambit Declined | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Nov 2010 | Khateeb Tamara | 1,890 | chT-Asia w 16th | C54 |
| Nov 2010 | Monalisa Khamboo | 1,877 | 16th Asia Rapid w | D37 |
| Dec 2008 | Wongi Baek | 1,681 | Seoul Open | B01 |
| Dec 2008 | Jinsu Kang | 1,589 | Seoul Open | D05 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Wch U12 Girls | 2009 | 11 | 3.5 | – |
| Olympiad Women-39 | 2010 | 10 | 2.5 | 1,702 |
| 16th Asia Rapid w | 2010 | 9 | 3.5 | 1,746 |
| Seoul Open | 2008 | 9 | 3 | 1,741 |
| Olympiad Women-38 | 2008 | 8 | 3.5 | 1,755 |
| Olympiad Women-40 | 2012 | 8 | 2 | 1,674 |
| chT-Asia w 16th | 2010 | 6 | 1 | 1,802 |
| 2nd Chalkidiki Open B | 2006 | 1 | 0 | – |
Interactive opening tree from all 62 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Sungwon Byun's chess games?
62 games by Sungwon Byun, 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 Sungwon Byun has played.
What does Sungwon Byun play on the first move as White?
Across 28 games with White in our database, Sungwon Byun opens with 1.e4 (100% of games). Against 1.e4 as Black, Sungwon Byun answers 1...e5 (100% of games). Against 1.d4: 1...d5 (100% of games).
What openings does Sungwon Byun play as White?
As White, Sungwon Byun's most-played openings in our database are: Ruy Lopez: Closed (5 games, 0.0% win rate); Sicilian (3 games, 33.3% win rate); French: Advance Variation (3 games, 33.3% win rate). The full breakdown of 28 games with White is in the table above.
What openings does Sungwon Byun play as Black?
As Black, Sungwon Byun most often plays: Slav Defense (6 games, 16.7% win rate); Ruy Lopez: Closed (6 games, 0.0% win rate); Queen's Pawn Game (3 games, 0.0% win rate). See the table above for the top ten Black openings across 34 games.
What is Sungwon Byun's FIDE rating?
Sungwon Byun is currently rated 1,732 in classical chess, 1,732 in rapid. Peak classical rating: 1,738 (Jun 2025).
How many games has Sungwon Byun played?
Our database contains 62 games by Sungwon Byun, covering Jul 2009 to Jul 2026. Overall record: 13 wins, 12 draws, 37 losses (21.0% win rate).
How do I prepare against Sungwon Byun?
62 games by Sungwon Byun 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.