Brian Costelloe (Costellito) — Chess Biography
Brian Costelloe, known online as "Costellito", is a determined and occasionally mischievous chess player who prefers the tempo and tactical drama of Rapid games. A long-time lover of quirky openings and late-night swindles, Brian combines stubborn endgame play with a surprising flair for tactical comebacks — the kind of player who will smile politely after losing material and then somehow win anyway.
Playing Style & Strengths
Costellito is best described as a grinding attacker who enjoys long, strategic battles that often head deep into the endgame. He favors playing white when he can set the tone, but is dangerous with both colors.
- Preferred time control: Rapid — comfortable juggling time pressure with tactics.
- Endgame frequency: high; Brian often takes games past the 60-move mark.
- Average moves per win: ~71 — patient and persistent.
- Tactical resilience: Comeback rate ~74% and wins after losing a piece ~61% — don’t write him off.
- Psychological quirks: Best time to catch him? Midnight (00:00) — the midnight marauder strikes.
Signature Openings & Repertoires
Brian’s opening choices reveal a taste for offbeat but sound play. He mixes classical ideas with surprise weapons that frustrate opponents and rack up win rates.
- Australian Defense — a nightly favorite when playing White: excellent win-rate and reliable structure. Australian Defense
- Amazon Attack (including Siberian Attack) — an aggressive line that Brian uses to punish imprecise defenders. Amazon Attack
- QGA: 3.e3 c5 and QGD: 2...Bf5 3.cxd5 — lovely queen’s-side simplifications leading to long squeezes. QGA: 3.e3 c5
- Scandinavian Defense — short, sharp, and often effective; used as a surprise weapon. Scandinavian Defense
- He also dabbles in cheeky tries like the Blackburne Shilling Gambit when mood and opponents permit. Blackburne Shilling Gambit
Career Highlights & Streaks
Brian has compiled some memorable runs and statistical curiosities worthy of a dramatic commentary feed.
- Longest winning streak: 13 games — a terrifying purple patch.
- Current winning streak: 9 games — if it continues, bring popcorn.
- Longest losing streak: 5 games — yes, he’s human (and philosophical about it).
- Stellar recovery: high comeback and resilience statistics make him dangerous even from losing positions.
- Peak Rapid performance: 1100 (2022-06-21)
Notable Opponents & Head-to-Head
Brian has a small rogues’ gallery of frequent foes. He’s played some opponents many times and shows strong dominance versus several.
- Most-played opponent: iamszy — an epic rivalry with a record heavily in Brian’s favor (93 wins, 20 losses, 3 draws).
- Other frequent rivals: dofarrell1, knightmate305, and coach-david — games that often turn into long tactical melees.
- Tip for opponents: beware of late middlegame simplifications; Brian’s endgame skill often punishes tiny mistakes.
Time & Tempo — When to Play (or Avoid) Him
Brian’s results show clear temporal patterns — he’s at his sharpest at unusual hours and on certain days.
- Best day of week: Saturday (win rate ~74%).
- Best hours: many high win percentages between late evening and early morning (notably 22:00–00:00 and hour 8:00 shows very strong results).
- Fun fact: hour "00" shows a 100% win rate in the dataset — challenge him at midnight only if you’re brave.
Sample Game — Quick Glimpse
Here’s a short sample that captures Costellito’s taste for classical development and quick positional pressure. Replay it and try to spot the subtle endgame plan.
Noteworthy Stats & Visuals
For a visual of sustained performance over time and to see how the Daily rating evolved, view the chart below.
- Rating trend (Daily):
- Rapid peak: 1100 (2022-06-21)
Practical Notes for Opponents
If you’re preparing to face Costellito, focus on:
- Avoid speculative pawn grabs and cheap tactics — he thrives on cleaning up the complications.
- Be prepared for long games: endgame technique can be the deciding factor.
- Time management is key — Brian punishes hasty play in rapid settings.
Quick Facts
- Username: Costellito
- Preferred Time Control: Rapid
- Notable opening wins: Australian Defense, Amazon Attack, QGD simplifications
- Aggressive comeback aptitude: high — expect swindles and resourceful defenses