Who is Bubi6?
Bubi6 is a FIDE Grandmaster with an online chess life built on volume, sharp openings, and stubborn resilience. The six in the name remains a mystery, but the rating is not. Bubi6 made their online blitz debut in late 2016 at a modest 1397 and touched 2538 within the same month, a jump that hinted at the storm to come.
Opening Repertoire
As White, Bubi6 is an e4 player through and through. They rarely rely on cheap surprises, they simply try to outplay you from the first move. As Black, they are happy to steer the game into sharp and well trodden lines.
- Favorite answer to 1.d4: Benoni Gambit Accepted, with close to 1,740 blitz games behind it.
- Favorite answer to 1.e4: Caro-Kann Defense, especially the Classical Variation.
- As White, Bubi6 scores well against the Sicilian Defense: Chekhover Variation and the Italian Game: Two Knights Defense.
Rivalries
No player has crossed swords with Bubi6 more often than ErnestoGuevaraLynch. Their 63 game series is a genuine online rivalry: Bubi6 leads 32 wins to 26, with 5 draws, and the tension never gets old.
By the Numbers
Bubi6 has played more than 13,600 rated blitz games, winning over 6,900 of them. The rating journey is visible in a single glance.
Their live blitz peak stands at 2855 (2026-08-10). In those games Bubi6 gets the first check 55% of the time, and their most common checking piece is the queen. They also own a 17 game winning streak, and even after losing a piece they still win about half the time. Opponents who want a quiet evening should know that Bubi6 plays their best chess around 2am.Bullet vs Blitz
Bubi6's profile lists their preferred time control as bullet, and the small bullet sample is spotless: 10 wins from 13 games. Yet the Grandmaster's true home is blitz, where the title is backed by tens of thousands of moves, a heavy dose of 1.e4, and a fighting spirit that rarely switches off. Call it bullet by preference, blitz by habit.