Profile: Hoang Tu (aka 5tyn09)
Hoang Tu, better known in the chess world as 5tyn09, is a strategic force to be reckoned with, especially in Rapid chess. With a peak Rapid rating of 725 in 2025, this player manages to keep opponents on their toes with a unique blend of tactical surprise and resilience.
Known for a comeback rate of almost 79% and a perfect win rate after losing a piece (yes, you read that right — 100%!), Hoang Tu is not just another player; they're that opponent you don't want to underestimate, even if they sacrifice a pawn or two (or several). Maybe that’s why their 'early resignation rate' is a humble 2.68% — quitting is not their style.
With a fondness for the Queen's Pawn Opening Zukertort Chigorin Variation (33 games, 57.6% wins) and a reliable performance in the Reti Opening (over 64% win rate), Hoang Tu combines classic openings with creative flair. While their blitz and bullet games tell tales of a rollercoaster ride with ratings around 360 and 275 respectively, the real magic unfolds in longer formats.
Hoang's playing style could be summarized as patient endurance—average wins last about 66 moves, showcasing stamina that rivals marathon runners. Matches tend to be epic stories rather than quick skirmishes.
Off the board, they might be the type to drink three cups of coffee before a Sunday game, perhaps explaining their lower win percentages on weekends (only about 32.5% on Saturdays). But come Monday morning? A smashing 72.7% win rate proves that the week is their battlefield—and Monday the opening salvo.
Despite the occasional tilt (a modest factor of 6), 5tyn09’s mental game keeps evolving, making each match an intriguing chapter in a larger saga. The frequent rivals - including glich-504 and williame_wallace1988 - never know if they're up for a slow strategic grind or a surprising blitz attack.
Whether you're facing Hoang Tu online or at a weekend tournament, expect a challenge wrapped in chess humor, wit, and a well-timed “Oops, I lost a piece—wait, I still win!” moment.
