Avatar of Arkadiusz Bubnowski
Player Profile

Arkadiusz Bubnowski

Asteroidanus Since 2020 (Active) Chess.com ♟♟♟♟♟♟
47.5% W 48.0% L 4.6% D
Bullet
2382
25392W 25838L 2415D
Blitz
2451
928W 772L 113D
Rapid
2018
1W 5L 1D

Arkadiusz Bubnowski, Known Online as Asteroidanus

Arkadiusz Bubnowski, who plays under the username Asteroidanus, is a prolific online chess competitor with a clear fondness for fast chess. The statistics point to a player who is most at home in Bullet, where decisions are made at warp speed and the clock is often treated as a second opponent.

A Bullet Specialist

Asteroidanus has played more than 50,000 recorded bullet games, building an enormous body of practical experience. His longest winning streak reached 48 games, a remarkable run that suggests both strong tactical instincts and an impressive ability to keep clicking the correct squares when everyone else is still looking for the mouse.

His overall bullet record is closely balanced, with thousands of wins, losses, and draws. That balance reflects a competitive style built around constant pressure, resilience, and a willingness to play chess at a pace where even a perfectly reasonable thought can be considered a luxury.

Bullet Rating253524832431237923272020: 23532021: 23702022: 24172023: 23442024: 24562025: 25182026: 23932020202120222023202420252026

Opening Repertoire

Asteroidanus has explored a remarkably broad range of openings. The Czech Defense is his most frequently played choice in bullet, while the Nimzo-Larsen Attack also appears thousands of times in his games. The repertoire includes both familiar systems and more unconventional ideas, suggesting a player who values practical surprises as much as textbook theory.

  • Czech Defense: a favorite in high-volume bullet play.
  • Nimzo-Larsen Attack: a recurring choice when playing White.
  • Scandinavian Defense: particularly effective in blitz, with a strong recorded performance.
  • French Defense: another productive blitz weapon.
Win Rate by Opening0%25%75%100%50%Czech Defense: 47.7% over 10621 gamesNimzo-Larsen Attack: 47.4% over 6363 gamesAmar Gambit: 47.5% over 5296 gamesColle System: Rhamphorhynchus Variation: 48.2% over 4564 gamesOld Indian Defense: 48.7% over 2513 gamesNimzo-Larsen Attack: Classical Variation: 47.1% over 1953 gamesCzech Defense48%Nimzo-Larsen Attack47%Amar Gambit48%Colle System: Rhamphorh…48%Old Indian Defense49%Nimzo-Larsen Attack: Cl…47%

Style and Chess Personality

The numbers describe a combative and persistent player. Asteroidanus frequently reaches endgames, averages more than 70 moves in decisive games, and shows a high comeback rate after difficult positions. The queen is the most common checking piece, which is a polite statistical way of saying that the queen is often invited to the party first.

Asteroidanus also performs well when delivering the first check, turning initiative into a practical advantage. The overall profile is one of a durable online fighter: inventive in the opening, tactically alert, and quite comfortable continuing long after the position has stopped being comfortable for anyone.

Legacy of the Username

Whether appearing as Arkadiusz Bubnowski or Asteroidanus, this player has created a distinctive online chess identity through volume, variety, and relentless bullet competition. For opponents, the message is simple: expect an unusual opening, a complicated middlegame, and a clock that may become the final tactical motif.

Bio last updated 2026-09-13