Avatar of Paul Usselman

Paul Usselman

drdubius Calgary Since 2015 (Active) Chess.com ♟♟♟♟♟
48.7%- 44.3%- 7.0%
Bullet 716
0W 1L 0D
Blitz 917
1813W 1822L 117D
Rapid 1796
7367W 6525L 1205D
Daily 400
0W 1L 0D

Paul Usselman — "drdubius"

Paul Usselman, who online goes by drdubius, is a marathon Rapid specialist with a wry sense of humor and a stubborn fondness for the Sicilian. A steady d4 player by habit and a tactician by temperament, Paul has played over 15,000 Rapid games and turned the 30–60 minute battleground into his favorite arena. Preferred time control: Rapid.

  • Preferred handle: drdubius
  • Preferred time control: Rapid
  • Rapid games played (approx.): 15,012 (
    Rapid Rating188618301774171816622016: 17262017: 17772018: 17342019: 17332020: 18682021: 16812022: 16802023: 18472024: 17582025: 18292026: 178520162017201820192020202120222023202420252026
    )
  • Career highlight (Rapid peak): 1954 (2025-11-25)

Playing Style & Strengths

If Paul were a chess piece he'd be a queen with a good sense of timing: aggressive, decisive, but willing to trade down into technical endgames. He finishes long games (average decisive length ~64–69 moves), often funnels play into complex middlegames, and shows a notable ability to come back from adversity.

  • Endgame frequency: high — Paul often grinds to the finish (EndgameFrequency: 68.9).
  • Avg moves per win: ~66 — patience wins here.
  • Tactical resilience: strong comeback rate (~77.8%).
  • Psychology: modest tilt factor (13) — when he flaps, he recovers quickly.
  • Best hour to play: midday — the 12:00 window is surprisingly fruitful.

Notable Openings & Repertoire

Paul is a committed specialist on both sides of the board. As Black he loves the Sicilian Defense: O'Kelly Variation, and as White he often steers games into systems like the Slav Defense: Bonet Gambit (yes, he knows how odd that sounds—he toys with edges).

Head-to-Head & Memorable Records

Paul has a handful of recurring sparring partners and some lopsided mini-rivalries. He racks up wins steadily, and his match history reads like a roll call of familiar usernames.

  • Most played opponents:
    • gagik53 — 27 games (W15 / L8 / D4)
    • mightyjoe001 — 24 games (W16 / L6 / D2)
    • ratkomih — 20 games (W10 / L8 / D2)
    • kayacik_19 — 18 games (W10 / L7 / D1)
  • Streaks: longest winning streak = 13, longest losing streak = 13, current winning streak = 1.
  • Overall Rapid record snapshot: thousands of wins and a career built on persistence and long games.

Memorable Games & Example

Paul enjoys messy, fighting lines that give both sides chances. Here is a short illustrative sequence (viewer-friendly snippet):

  • Sample sequence (PGN viewer):
  • Opening flavor: this sort of Sicilian middlegame is classic drdubius territory — messy, tactical, and entertaining.

Quirks, Habits & Fun Facts

Paul's profile mixes competitive seriousness with a wink. He has a few habits that make opponents smile (or groan):

  • Early-resignation tendency: ~73% (he hates playing dead positions and will often tip the king rather than admire the fortress).
  • Prefers 1.d4 openings in practice; his first-move data shows heavy d4 usage across years.
  • Best time to catch him online: around noon — statistically his sharpest play.
  • He keeps a few "surprise" gadgets in the repertoire—openings with curious names and unexpected traps.

Placeholders for Deeper Dive

Charts, peak stats and game viewers are embedded below for deeper inspection — tap to explore.

  • Career Rapid rating chart:
    Rapid Rating188618301774171816622016: 17262017: 17772018: 17342019: 17332020: 18682021: 16812022: 16802023: 18472024: 17582025: 18292026: 178520162017201820192020202120222023202420252026
  • Peak Rapid citation: 1954 (2025-11-25)
  • Openings glossary links: Sicilian Defense: O'Kelly Variation, Slav Defense: Bonet Gambit
  • Sample opponent profile: gagik53
  • Sample game viewer (short illustrative game included above via PGN):

Final Note

Paul "drdubius" Usselman is the kind of player who turns Rapid chess into an endurance sport with a punchline. Expect deep middlegames, an affection for the O'Kelly, and a knack for bouncing back — and if you beat him, he’ll probably congratulate you and immediately challenge a rematch.

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