Carlos Bruno Freitas Sardinha

Carlos Bruno Freitas Sardinha

Also known in the chess world as ufntChess, Carlos is a bullet chess enthusiast with a flair for speedy strategy and bold openings. By 2025, he reached a peak bullet rating of 1160, proving that lightning-fast thinking can still pack a respectable punch on the 64 squares.

Playing Style and Strengths

Carlos is no stranger to the endgame, engaging in it in over two-thirds of his matches—a testament to his stamina and strategic depth. Averaging around 58 moves in victories and losses alike, his games aren't over before you’ve barely settled in. His black pieces have served him especially well, boasting a win rate north of 64%, while with white, he keeps a steady 52.7% win record.

With a remarkably high comeback rate of 83%, Carlos embodies resilience; losing a piece? No problem—he bounces back with a perfect 100% win rate after those setbacks. Opponents beware: early resignations from him are rare (around 4%), proving he battles until the last pawn falls.

Favorite Openings

Carlos shows a special fondness for Sicilian openings, particularly the Old Sicilian Variation, where he dominates with a 90% win rate. The Bowdler Attack and Open Sicilian also feature heavily in his victorious repertoire, showcasing his aggressive and sharp tactical taste. Queens Gambit Declined and Accepted variations make regular appearances but with cooler success rates, proving that sometimes Carlos likes to keep opponents guessing.

Competitive Spirit and Streaks

With a longest winning streak of 10 games and currently riding a 2-game streak, Carlos clearly knows how to maintain momentum. He’s besting many of his frequent rivals with notable perfect win percentages against opponents like aaaa3000 and i_am_tobias. Although some challengers like gui385 have gotten the better of him, the scoreboard shows a fierce competitor undeterred.

When to Catch Carlos in Action

His peak performance tends to light up mid-afternoon and early evening hours, especially around 13:00 (1 pm) where he enjoys an impressive 83% win rate. Wednesdays and Tuesdays seem to be his lucky days, with win rates hovering near 66%. Not a morning person? No worries—at 11 am, Carlos posts a stellar 100% win rate, so maybe he just likes an early caffeine boost along with his chess.

Personality Quirks

Don't expect Carlos to throw in the towel easily—his tilt factor remains low at 4, indicating calmness even under pressure. Despite his casual loss moments, he shows a massive strength difference between rated and casual matches, winning nearly 60% more in rated play, proving the thrill of competition fuels his best moves.

In essence, Carlos Bruno Freitas Sardinha is a resilient, tactical bullet player who combines steady strategic depth with explosive openings, wrapped in a style that refuses to surrender early and delights in comeback victories. If you’re up for a challenge, prepare for a swift and stubborn battle!