Avatar of Oskar Wieczorek

Oskar Wieczorek GM

Username: oskariot

Playing Since: 2014-08-15 (Inactive)

Wow Factor: ♟♟♟♟♟

Chess.com

Daily: 2278
15W / 2L / 4D
Rapid: 2370
12W / 1L / 0D
Blitz: 2911
6110W / 6294L / 1136D
Bullet: 2903
4050W / 4067L / 477D

Grandmaster Oskar Wieczorek (aka oskariot)

Born to dance a complex ballet with 64 squares, Oskar Wieczorek is a formidable Grandmaster recognized by FIDE. Oskar's journey through the ranks is a compelling saga of grit, brains, and an almost suspicious knack for pulling off stunning comebacks—boasting an impressive comeback rate of 87.73%.

Starting his blitz escapades modestly at around 1300 in 2015, Oskar rocketed to a peak blitz rating of 2903 in April 2025, proving that relentless dedication and perhaps a daily coffee or two can take you far in chess. Bullet chess? He’s just as intense, matching that peak 2903 rating by January 2025 — maybe flicking fingers faster than a caffeine-fueled octopus.

When not blitzing, Oskar’s rapid and daily chess games reveal a player who prizes longevity and endurance, with an average game length of nearly 83 moves for wins. Opponents have learned that resignation is a frequent method of his wins, screamed in defeat by foes unable to match his unyielding pressure.

Oskar approaches chess with a style that favors endgames — with a cool 79.14% endgame frequency — as if saying, “Let’s save the fireworks for the grand finale.” Yet, beware: Oskar’s not one to throw in the towel prematurely, maintaining a miserly early resignation rate below 2%.

A tactical beast and psychological warrior, Oskar’s tilt factor is surprisingly low for a grandmaster at 16, proving Zen-like patience even in chaotic clashes. His best moment to strike is around 9 pm, so nocturnal opponents watch out: that’s when he’s most dangerous.

Opening Repertoire & Secrets

His opening repertoire is as enigmatic as a sassy chess meme — predominantly using a Top Secret line that yields a respectable 45.5% win rate in blitz, peppered with some French Defense love and the odd King's Pawn Opening for nostalgic flair. In rapid games, his winning rate skyrockets to over 92% when sticking to his mystery lines — because who doesn’t love some suspense?

Recent Battles

Oskar’s recent games in the quirky Chess960 variant reveal his adaptability and sharp mind, winning by resignation and even time, twisting positions into knots that opponents can’t untangle. Whether it’s outsmarting opponents known as “ssuperqa” or taking down “gunsberg,” he blends classical knowledge with inventive flair.

Fun Facts

  • Longest winning streak: 18 games.
  • Once lost 16 games in a row — hey, even Grandmasters have those days.
  • Preferred battle time is evenings, possibly fueled by a mysterious blend of caffeine and sheer willpower.
  • Opponent "maciek_92" played 181 times against Oskar — talk about a rivalry.

All in all, Oskar Wieczorek is a Grandmaster who turns chess into an art form and a tactical war all at once. When you face oskariot, expect fireworks, puzzles, and the tiniest hint of mischief.


Coach Chesswick's Profile Photo
Coach Chesswick

Coaching Feedback for Oskar Wieczorek

Oskar, your recent games show promising strengths and a clear growth path. Here are some personalized insights and actionable advice based on your recent performances:

Strengths

  • Strategic Awareness: In your recent Chess960 games, you demonstrate good understanding of piece activity and coordination, indicating solid positional grasp despite the unusual starting positions.
  • Effective Attacking Moves: You successfully capitalize on tactical opportunities, as seen in your latest win by resignation where you exploited weaknesses and pressured your opponent into surrendering.
  • Opening Consistency: Your opening play, notably with fianchetto setups and flexible pawn structures, helps you maintain equal or better positions in the early game.

Areas for Improvement

  • Time Management: Several games ended due to time pressure, including some losses and wins on your opponent’s flag falling. Prioritize balancing calculation depth with faster decision-making, especially in tactical or complex positions.
  • Tactical Accuracy Under Pressure: While you spot good tactical chances, occasional inaccuracies appear when the clock runs low. Practice puzzles with time limits and focus on calm, methodical thinking in the last few minutes.
  • Endgame Technique: A few close endgames suggest opportunity to sharpen fundamental endgame knowledge—consider studying key theoretical endings to improve confidence converting advantages.

Suggestions for Development

  1. Review Critical Moments: Analyze your losses to identify recurring tactical slips or strategic misunderstandings. Try to understand alternative moves to avoid similar pitfalls.
  2. Time Control Practice: Train with slightly longer time controls to practice deep calculation, then gradually decrease time to enhance intuition and decision speed.
  3. Expand Opening Repertoire: Although your current openings serve you well, experimenting with other structures can diversify your understanding and give you an edge against prepared opponents.
  4. Endgame Training: Dedicate regular study sessions to fundamental endgames such as king+pawn, rook, and minor piece endings. This will improve your practical technique and reduce reliance on opponents’ mistakes in this phase.

Recommended Study Focus

  • Practical tactics training with emphasis on pattern recognition.
  • Chess960 specific opening ideas to strengthen initial plans.
  • Time pressure scenario simulations to build resilience.
  • Selected endgame modules to close out winning positions confidently.

Keep up the dedicated training, and your steady improvement will translate into more consistent results. If you want, I can help you break down any specific game or position for deeper insights.



🆚 Opponent Insights

Recent Opponents
i_swallow_pawns 0W / 0L / 2D View
Most Played Opponents
Maciej Klekowski 67W / 99L / 15D View Games
Pawel Weichhold 34W / 53L / 10D View Games
... .... 38W / 46L / 6D View Games
Łukasz Licznerski 23W / 46L / 3D View Games
Kevin Bordi 29W / 35L / 7D View Games

Rating

Year Bullet Blitz Rapid Daily
2025 2903 2009
2024 2903 2801 2370
2023 2802 2737 2369
2022 2686 2688
2021 2625 2683
2020 2671 2659 2088 2278
2019 2520 2638
2018 2462 2485
2017 2489 2484
2016 2478 2429 2276
2015 2348 2232 2308
Rating by Year2015201620172018201920202021202220232024202529032009YearRatingBulletBlitzRapidDaily

Stats by Year

Year White Black Moves
2025 96W / 94L / 25D 98W / 108L / 12D 75.9
2024 522W / 486L / 75D 466W / 532L / 82D 80.7
2023 337W / 256L / 43D 293W / 303L / 42D 81.9
2022 256W / 177L / 34D 189W / 240L / 38D 79.6
2021 570W / 538L / 98D 516W / 611L / 88D 81.4
2020 562W / 472L / 97D 493W / 556L / 87D 83.1
2019 575W / 555L / 104D 524W / 607L / 110D 84.4
2018 126W / 129L / 17D 128W / 139L / 21D 70.4
2017 621W / 668L / 106D 574W / 685L / 111D 83.5
2016 1205W / 1140L / 133D 1105W / 1183L / 174D 80.9
2015 218W / 134L / 13D 203W / 144L / 12D 77.6

Openings: Most Played

Blitz Opening Games Wins Losses Draws Win Rate
Four Knights Game 700 344 270 86 49.1%
Sicilian Defense: Alapin Variation, Sherzer Variation 466 229 211 26 49.1%
Caro-Kann Defense 444 214 186 44 48.2%
Benko Gambit 403 169 209 25 41.9%
Sicilian Defense: Closed, Anti-Sveshnikov Variation, Kharlov-Kramnik Line 374 181 164 29 48.4%
Sicilian Defense: Najdorf Variation 348 167 155 26 48.0%
Unknown 294 161 130 3 54.8%
Sicilian Defense: Scheveningen Variation 272 141 114 17 51.8%
Sicilian Defense 259 114 124 21 44.0%
Amazon Attack: Siberian Attack 251 102 128 21 40.6%
Bullet Opening Games Wins Losses Draws Win Rate
Amar Gambit 557 250 282 25 44.9%
Caro-Kann Defense 354 166 173 15 46.9%
Colle System: Rhamphorhynchus Variation 325 150 150 25 46.1%
Nimzo-Larsen Attack 273 116 143 14 42.5%
Scandinavian Defense 268 137 119 12 51.1%
Modern 227 110 104 13 48.5%
Sicilian Defense 225 107 103 15 47.6%
Barnes Defense 203 99 94 10 48.8%
Sicilian Defense: Closed 183 80 88 15 43.7%
Benoni Defense: Benoni Gambit Accepted 180 81 92 7 45.0%

🔥 Streaks

Streak Longest Current
Winning 18 0
Losing 16 0
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