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Player Profile

Yesun Lee WCM

sunnilee Since 2016 (Active) Chess.com ♟♟♟♟♟♟♟
48.5% W 45.0% L 6.5% D
Bullet
2090
6283W 5912L 849D
Blitz
1992
517W 418L 57D
Rapid
2052
79W 63L 22D
Daily
1763
49W 41L 2D

Yesun Lee, the Bullet Chess Specialist

Yesun Lee, known online as sunnilee, is a FIDE-titled chess player who has earned the Woman Candidate Master title. A dedicated streamer and prolific online competitor, Lee has built a distinctive chess identity around fast decisions, tactical pressure, and the wonderfully chaotic world of Bullet chess.

With more than 13,000 recorded Bullet games, Lee is clearly comfortable living on the edge of the clock. For sunnilee, every second matters, every tactic is urgent, and sometimes the mouse deserves a coaching session of its own.

Competitive Style and Highlights

Lee's overall Bullet record includes 6,515 wins, 6,467 losses, and 868 draws, producing an impressively balanced record across a massive sample. Their longest winning streak reached 24 games, while their comeback rate stands at 81.22 percent, a strong sign that a bad position is treated as a plot twist rather than a conclusion.

The data also points to a resilient, tactical approach. Lee frequently reaches endgames and averages more than 76 moves in wins, suggesting that the battle often continues long after the opening fireworks have faded.

Lee's peak Bullet performance reached 2,468, while their best recorded Blitz and Rapid peaks were 2,260 and 2,082 respectively.

Bullet Rating238622162046187617052019: 17612020: 23302021: 21272022: 21222023: 21902024: 21412025: 21652026: 207820192020202120222023202420252026

Opening Repertoire

Lee's opening choices are broad, adventurous, and particularly well suited to rapid online play. The Australian Defense appears more than 1,100 times in the Bullet data, making it one of the defining features of the repertoire. It is joined by frequent appearances of the Sicilian Defense, Benoni structures, the Amar Gambit, and several sharp attacking systems.

In Blitz, Lee has achieved especially strong results with the London Poisoned Pawn Variation, the Sicilian Defense's Anti-Sveshnikov structures, and the Amar Gambit. The repertoire suggests a player who is happy to leave quiet theory behind and ask practical questions immediately.

Streaming and Chess Community

As a streamer, Yesun Lee brings a competitive title and a huge archive of online experience to the audience. Their games offer plenty to study, from opening experiments and tactical swindles to the timeless Bullet question: “Was that move brilliant, or did the clock simply panic first?”

For viewers looking for a titled chess streamer with an energetic online style, a deep Bullet résumé, and a willingness to keep fighting, sunnilee is a player worth following.

Quick Profile

  • Name: Yesun Lee
  • Username: sunnilee
  • FIDE title: Woman Candidate Master
  • Primary specialty: Bullet chess
  • Role: Chess streamer and competitive online player
  • Signature traits: Tactical resilience, high volume, and a refusal to let the clock have the final word
Bio last updated 2026-09-15