Antonio Sebastian Almiron Villalba (aka SharkAnto55)
Title: International Master (IM) recognized by FIDE
Meet Antonio Sebastian Almiron Villalba, or as the online chess world fondly calls him, SharkAnto55. A cunning International Master who has been steadily rising through the ranks like a shark cruising the waters—silent, deadly, and always hungry for the next victory.
Rating Journey & Playstyle
Since bursting onto the scene in 2014 with a Blitz rating around 1900, Antonio's skill has grown relentlessly, recently hitting a sizzling peak of 2736 in Blitz by 2025. Whether it's the lightning speed of Bullet, the rapid-fire of Rapid, or the thoughtful Daily games, Antonio prowls the chessboard with a versatile and relentless style.
His average win rate in Blitz is a shark-sized 51.6%, and in Bullet, it jumps to a fearsome 57%. Rapid and Daily games show his all-terrain mastery with consistent wins above 50%, proving he's no one-trick fish.
Chess Personality: Tactical Predator with a Dash of Humor
Antonio is known for his impressive comeback rate of 87.6% — a true testament to his refusal to go down without a fight. Lose a piece? No problem. His win rate after losing a piece is an astonishing 100%, making opponents feel like they're trying to wrestle a Kraken.
Despite being a fierce competitor, SharkAnto55 keeps things cool with a low early resignation rate of just 1.35%, preferring to drag opponents into deep, gnarly endgames (he reaches the endgame in over 77% of his matches). His games average around 74 moves when winning, so expect a full theatrical performance, rather than a quick checkmate flash.
Quirks & Stats Bite
- Longest winning streak: 13 games — that's nearly a full marathon of triumphs!
- Current winning streak: 1 game (hey, even sharks need to catch their breath)
- White pieces win rate: 53.13% — the bright side suits him well
- Black pieces win rate: 50.85% — not bad for the 'dark side'
- Tilt factor: 13 — even sharks get annoyed when their prey slips away
Favorite Opponents & Rivalries
Antonio’s most played opponents include jdpachess (23 games) and tiohoracio (21 games), providing spicy bouts full of strategic twists and turns. Against some players, his win rates stretch to 100%, while a few poor souls have yet to taste victory against the Shark.
When to Catch SharkAnto55 Hunting
He’s most lethal between noon and early evening, with peak win rates around 12:00 and between 18:00 and 20:00 hours. So beware if you face him during these prime hunting times!
On any given day, Antonio’s winning mood peaks on Mondays (winning 55.7% of his games) and Sundays (53.7%), making weekends and early week dreaded times for opponents.
In Summary
Whether blitzing through positions, bulleting past opponents, or calmly strategizing in daily games, Antonio Sebastian Almiron Villalba embodies the true spirit of a chess predator — strategic, resilient, and just a bit intimidating. Avoid the waters during his prime hours, or prepare to be outmaneuvered by SharkAnto55!