Overview
Jun Sitorus (junsitorus) is a relentless online chess player known for fast instincts, a stubborn endgame, and a soft spot for cheeky traps. A Blitz specialist by preference, Jun combines tactical flare with long, grinding endgames — games often go the distance (average decisive length ~76 moves).
Across recorded play Jun has amassed more than 11,000 wins and climbed to peak ratings in both Rapid and Blitz (Rapid peak: 2307 (2025-12-11), Blitz peak: 2178 (2020-07-20)). Preferred time control: Blitz — quick, sharp, and slightly caffeinated.
Playing Style
Jun's style blends endurance with opportunism:
- Endgame-minded: high endgame frequency and long average decisive games (AvgMovesPerWin ~73).
- Tactical resilience: strong comeback rate and a good record after material losses (ComebackRate ~86%).
- Early-resignations are rare — Jun likes to see how far a weird position can go (EarlyResignationRate ~0.73%).
- Night-owl advantage: best time to play tends to be around 02:00 local time.
Opening Preferences
Jun uses a pragmatic but sometimes mischievous opening repertoire. A few favourites:
- As Black: Caro-Kann Defense — played extensively (1,629 games in Rapid) with roughly a 51% win rate.
- As Black: Scandinavian Defense — a staple for counterplay and surprise value.
- Trap-happy pick: Blackburne Shilling Gambit — surprisingly effective in Blitz (very high Blitz win rate).
- When wanting complexity: Sicilian Defense and French Defense.
In short: rock-solid centre choices mixed with the occasional trap to keep opponents on their toes.
Career Highlights & Memorable Moments
- Longest winning streak: 19 games — the sort of run that makes opponents whisper "Who plays like that?"
- Peak Rapid rating achieved in December 2025 and top Blitz rating reached in mid-2020 — milestones Jun hit while refining deep endgame technique.
- Preferred evenings: Jun posts surprisingly strong results in the small hours (hour 02:00 shows notably high win rates).
- Favourite cheeky finish (demo PGN): — yes, sometimes the classics still work in Blitz.
- Progression over time (Blitz & Rapid trend): — a compact view of competitive growth.
Notable Opponents
Jun has squared off repeatedly with several regulars online. Frequent rivals include:
- milandjn — most-played opponent (39 games).
- caturgila26 — 31 games.
- kushmundetmemu — 31 games.
- pointlesstemper — 31 games; fierce battles and many long endgames.
- mogador24 and kraga — frequent matchup pairings that test opening prep.
Trends, Trivia & Fun Facts
- Jun loves a long fight: average moves per loss (~79) and per win (~73) show endurance and tolerance for chaos.
- Best days and times: Tuesdays and late-night hours are surprisingly productive — ideal for those who prefer the moonlit rook endgame.
- Psychological quirks: occasional tilt factor exists (TiltFactor ~13) — but Jun bounces back; comeback rate is excellent.
- Check-happy: the queen delivers a lot of checks — and Jun often benefits when first to check (WinRateWhenFirstToCheck ~57%).
- If you want to study Jun's openings: start with the Caro-Kann and the Blackburne Shilling Gambit — preparation will save you time and embarrassment.
Quick Snapshot
- Username: junsitorus
- Preferred time control: Blitz
- Playing strengths: endgames, comebacks, long tactical battles
- Notable stat: over 11,000 recorded wins across formats