Overview
Igor Dorica (username pacerkos) is a Candidate Master known for fast, sharp play and a clear preference for Blitz chess. A practical tactician, Igor has built a large online presence with thousands of rapid decisive games and a reputation for squeezing wins out of complex middlegames. He blends classical opening knowledge with creative sidelines and enjoys surprising opponents in time trouble.
Playing Style
Igor favors dynamic positions and long, tactical battles. His games tend to be lengthy and decisive, with an above average tendency to reach endgames.
- Preferred time control: Blitz
- Avg moves per win: 83
- Strong comeback ability: High comeback rate and solid win rate after losing a piece
- Typical strengths: Opening preparation, middlegame tactics, endgame persistence
Favorite Openings
Igor has clear favorites that show up repeatedly in his games. He uses both mainstream and quirky lines to steer opponents into uncomfortable territory.
- French Defense: Advance Variation - many wins and heavy use as Black
- French Defense: Exchange Variation - reliable and familiar battleground
- Czech Defense - excellent win rate and a go-to choice
- Amazon Attack - aggressive and successful in practice
- Sicilian Defense: Alapin Variation - effective against unprepared opponents
- Also plays Caro-Kann and various anti-Sicilian lines
Highlights & Achievements
Igor has racked up impressive streaks and landmark performances in Blitz play.
- Title: FIDE Candidate Master
- Peak Blitz achievement: 2393 (2025-06-23)
- Longest winning streak: 26 games
- Notable head-to-head success vs top regulars, for example a dominant record against gorelle (35 wins, 2 losses, 8 draws)
- Sample memorable game: View Game
Records & Trends
Across thousands of online games Igor shows consistent strengths and some seasonal swings.
- Blitz record highlights: thousands of games with a solid win rate and a habit of long decisive games
- Best win rates on certain hours: strong nights with peaks around late evening and early morning
- Time of day edge: technically strongest around early morning hours
- Psychological note: low early resignation rate and high endgame frequency
Fun Facts
- Igor loves the French Defense family so much that opponents sometimes feel they walked into a French-themed escape room
- Favorite surprise line: Amazon Attack
- For a quick peak at rating history:
- Want to study one of his typical opening sequences? Try this mini PGN viewer:
Contact & Follow
Look up Igor by username pacerkos when searching boards and study his Blitz archive to see how he conducts long tactical fights. For terminology and openings he often uses, try these quick links: French Defense and Sicilian Defense.