Avatar of Mathias Jensen

Mathias Jensen

Bassofdoom Since 2010 (Active) Chess.com ♟♟♟
51.3%- 44.2%- 4.5%
Bullet 2026
879W 768L 50D
Blitz 2203
5950W 5223L 549D
Rapid 2295
167W 91L 16D
Daily 2113
76W 13L 6D

Mathias Jensen - Short Biography

Mathias Jensen is a marathon blitz specialist who treats 3+0 as both sport and performance art. Known to some online as Bassofdoom, Mathias climbed from a humble 1028 blitz debut to sustained high-level play across the 2016-2026 decade. His preferred time control is Blitz - fast, furious, and full of surprises.

Quick career snapshot

Mathias has played a staggering number of blitz games - over 11,600 on record - and has polished a style that blends stubborn endgame technique with a knack for dramatic comebacks. Highlights include multiple peaks in the 2200-2300 range across blitz and rapid play.

  • Blitz experience - more than 11,600 recorded games
  • Great comeback ability - Comeback rate around 82%
  • Longest winning streak - 13 games; longest losing streak - 14 games
  • Peak performances: 2339 (2026-01-12) and 2295 (2026-03-14)
  • Blitz rating trend:
    Blitz Rating231521561996183716772016: 17302017: 18892018: 18382019: 18632020: 19012021: 20642022: 20412023: 20572024: 21522025: 22622026: 220320162017201820192020202120222023202420252026

Playing style and strengths

Mathias favors action. He rarely gives up without a fight and has an unusually high endgame frequency - he loves the long grind. Key traits:

  • Endgame-minded - high EndgameFrequency suggests many long, technical finishes
  • Persistent - low early resignation rate, often bounces back even after material losses
  • Tactical resilience - WinRateAfterLosingPiece near 48%
  • Prefers dynamic, unbalanced openings that produce practical chances

Openings and repertoire

Mathias plays a wide palette but certain recipes recur. On both sides he mixes cheeky gambits with solid Queen's Gambit lines.

  • Frequently played white setups - QGD: 4.Nf3 and QGD: 3.Nc3 Bb4
  • Black favorites include the Blackburne Shilling Gambit and the Australian Defense
  • When feeling spicy - Barnes Opening and Amar Gambit show up in bullet
  • Explore related openings: Blackburne Shilling Gambit, Australian Defense, QGD: 4.Nf3

Memorable moments and sample game

Mathias has a long list of wins against regular opponents. He has an excellent record versus jrdrums - 15 wins in 16 encounters. See that profile: jrdrums.

A small spice of chess to view inline:

Personality and fun facts

Mathias approaches chess with a wink. Opponents report witty chat and sudden counterattacks. Off the board he is the kind of player who will analyze a lost blitz game at 2 AM and insist the right move was "probably Qh5, or maybe pizza."

  • Best time of day to challenge him - early morning around 05:00 when his win rate spikes
  • Favorite challenge - turning messy middlegames into winning endgames
  • If you get him on the ropes expect a fight - strong comeback instincts

Want to follow more?

Check the rating chart and peak stats above, explore sample games, and if you face Mathias online remember to bring both your opening prep and a sense of humor.

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