Avatar of Santiago Castillo
Player Profile

Santiago Castillo NM

cabezauro Buenos Aires Since 2013 (Active) Chess.com ♟♟♟♟♟♟
45.5% W 50.0% L 4.4% D
Bullet
2474
4995W 5482L 479D
Blitz
2365
606W 681L 70D
Rapid
2196
20W 10L 0D

National Master Santiago Castillo: The Rapid Fire Chess Maestro

Known online as cabezauro, Santiago Castillo earned his National Master title through relentless dedication on the chessboard. This funny chess warrior blends sharp tactics with a knack for turning games into hilarious comebacks, especially when his preferred time control of Rapid lets him think on his feet.

Chess Journey and Style

From early online battles to dominating tournaments, Castillo built a reputation for aggressive play. He often deploys the French Defense to surprise opponents or counters with the Sicilian Defense for dynamic fireworks. His longest winning streak hit 13 games, proving even losing streaks of 14 cannot dim his humor or resolve.

Memorable Matches

One standout rivalry came against redlilly10, where Castillo racked up wins with bold strategies that left fans laughing at the drama. His endgame frequency shines here, making every match a story worth sharing.

Performance Insights

Rapid Rating222921302030193018302020: 18632025: 219620202025

With a tilt factor that adds excitement, Castillo thrives in Rapid formats. His record shows strong adaptability across openings like the Caro-Kann and Modern, keeping games fresh and unpredictable.

Bio last updated 2026-07-14