Avatar of Radek Sluka

Radek Sluka IM

Username: Zajdanek

Location: Olomouc

Playing Since: 2020-03-20 (Active)

Wow Factor: ♟♟♟♟♟

Chess.com

Blitz: 2334
1913W / 1563L / 181D
Bullet: 2091
2769W / 2301L / 218D

Radek Sluka (Zajdanek) – International Master Extraordinaire

Radek Sluka, better known to his countless opponents as Zajdanek, is a fierce International Master who dances through the chessboard with a blend of tactical wizardry and psychological endurance. Awarded the IM title by FIDE, Radek has consistently pushed the limits, achieving impressive peak blitz ratings soaring close to 2600 – a number that makes casual players quake and grandmasters nod in respect.

Playing Style & Strengths

Never in a hurry to resign, Radek’s early resignation rate is a humble 0.39%, proving that he fights to the bitter end. A master of the endgame, he engages in endgames in almost 80% of his games, showing patience and precision. His games average around 70 moves, a testament to his strategic depth and love for long battles.

White pieces give him a slight edge, boasting a 53.86% win rate, while on Black he still holds a solid 51.36%. And when life knocks off one of his pieces? Worry not – he has a 100% record bouncing back from that disadvantage, turning setbacks into comebacks like a true chess gladiator.

Records and Achievements

  • Longest winning streak: 22 games – talk about hot streaks!
  • Impressive blitz career with over 4,000 games played and a healthy win ratio.
  • Top secret opening knowledge leaving opponents guessing (and often groaning) with a ~53% win rate in Blitz.

Personality and Anecdotes

Known for a tilt factor of 11, Radek occasionally experiences moments of frustration – but hey, who doesn’t when staring down a king looking to dance the checkmate tango? Despite that, his resilience and tactical sharpness rarely falter, often turning the tables spectacularly.

Whether it’s bullet, blitz, or daily chess, Radek Sluka’s relentless spirit makes each game a thrilling saga of sweat, strategy, and maybe a little bit of madness. Opponents beware – when you sit across from Zajdanek, you're not just facing an International Master, you're stepping into the arena with the chessboard’s own gladiator.


Coach's Avatar

Feedback on your recent bullet games

You’ve shown sharp tactical readiness and a strong willingness to engage in dynamic, combinational play. Your recent winning game demonstrated clear initiative, active piece activity, and a successful finish when you created multiple threats and coordinated attacks. However, there are recurring issues that show up in your losses and slower lines: time pressure, early middlegame planning, and the need for quicker, safer decision making in the opening phase. Focusing on these areas can help you convert more of your promising positions into wins in bullet time control.

What you’re doing well in bullet games

  • Dynamic piece activity: you routinely activate your pieces, putting pressure on your opponent and creating tactical chances.
  • Aggressive posture when you spot a tactical shot: you’re not afraid to sacrifice material to force winning lines or mating nets.
  • Good mix of forcing lines and concrete threats: your wins show you can steer positions toward concrete, winning outcomes when the opponent missteps under time pressure.

Key areas to improve

  • Time management and move selection: in bullet games, you can improve the quality of candidate moves you consider in the first 5-10 seconds. Focus on two strong candidate moves and a quick check of the opponent’s immediate threats before committing.
  • Opening discipline under time pressure: aim for solid, straightforward first moves and clear developmental plans so you avoid getting into highly tactical skirmishes too early unless you’re certain you can maintain the initiative.
  • Endgame transitions: some losses arise from complicated exchanges or unclear paths to convert material advantage. Practice simplifying when ahead and look for clear routes to convert small advantages into a win.
  • Pattern recognition in common bullet motifs: train to recognize back-rank vulnerabilities, quick mates along files/diagonals, and typical tactical nets that arise in the openings you favor.

Openings performance and practical guidance

From your openings data, several choices show solid results, especially lines in the Sicilian family and the Alekhine Defense. Leaning into openings with proven success can help you reach favorable middlegame structures faster in a bullet setting. Pair solid plans with active piece play to maximize the effect of your strengths. For reference, you can explore: Sicilian Defense: Closed, Alekhine Defense.

Practical tip: in fast games, it’s often better to reach a clear, familiar middlegame structure than to wade into a sharp, unfamiliar line. Build a small repertoire around 2-3 solid responses to common replies and practice the corresponding middlegame plans.

Training plan to raise your bullet results

  • Short, focused sessions: 3-4 times per week, 20-25 minutes each, dedicated to bullet practice with a fixed plan for the opening and a simple endgame goal.
  • Opening reinforcement: choose 2 openings with strong results for you (for example, Sicilian Defense: Closed and Alekhine Defense) and drill 3-4 standard middlegame plans from each to speed up decision making under time pressure. Sicilian Defense: Closed Alekhine Defense
  • Two-move check discipline: practice a two-move lookahead — identify two strong candidate moves and a quick recapture or threat check — before clicking.
  • Post-game micro-review: after each bullet session, spend 2 minutes reviewing the critical moment where you spent extra time or let the initiative slip, and note one alternative, safer plan you could have taken.
  • Puzzle focus: solve 5-7 quick tactical puzzles focused on back-rank ideas, direct attacks on the king, and common mating nets to strengthen pattern recognition under time pressure.

Next steps

Implement a compact, repeatable routine for your bullet practice that emphasizes speed with accuracy. Prioritize two reliable openings, build a few middlegame plans from those lines, and commit to a strong, simple endgame conversion strategy. Track your progress by reviewing the key moments each session and adjust choices to reduce time spent on secondary lines.

Optional practice starter

To get started, try this quick drill:

  • Play 10 quick games focusing on one of your chosen openings, aiming to reach a familiar middlegame within the first 15 moves.
  • After each game, write down one decision you would repeat and one mistake you would avoid next time, with a brief justification.



🆚 Opponent Insights

Recent Opponents
ahnaz84 0W / 1L / 0D
rus159sp 0W / 1L / 0D
sridatta2008 2W / 0L / 0D
titledtuna 1W / 0L / 0D
inadrose 2W / 2L / 0D
thesuitm4n 1W / 0L / 0D
badudesky 1W / 0L / 0D
obewanknob 1W / 1L / 0D
khaledistkrasss 1W / 0L / 0D
zeca57 0W / 1L / 0D
Most Played Opponents
KF3WIN 12W / 15L / 1D
timeless limitless 15W / 11L / 0D
drzaiuus 17W / 7L / 0D
windowsenthusiast 10W / 11L / 1D
bozzunter 16W / 4L / 0D

Rating

Year Bullet Blitz Rapid Daily
2025 2369
2024 2091 2411
2023 2237 2334
2021 2286 2272 800
2020 2202 2277
Rating by Year2020202120232024202524112091YearRatingBulletBlitz

Stats by Year

Year White Black Moves
2025 241W / 183L / 27D 212W / 220L / 24D 72.4
2024 390W / 311L / 45D 383W / 337L / 25D 73.4
2023 243W / 186L / 27D 226W / 208L / 22D 70.7
2021 516W / 432L / 45D 513W / 435L / 45D 70.8
2020 1006W / 740L / 70D 951W / 804L / 69D 73.1

Openings: Most Played

Blitz Opening Games Wins Losses Draws Win Rate
Scandinavian Defense 211 124 79 8 58.8%
Sicilian Defense: Closed 189 99 80 10 52.4%
Sicilian Defense: Accelerated Dragon 163 90 67 6 55.2%
Caro-Kann Defense 131 66 52 13 50.4%
Sicilian Defense: Closed, Anti-Sveshnikov Variation, Kharlov-Kramnik Line 120 65 52 3 54.2%
Alekhine Defense 107 60 42 5 56.1%
Sicilian Defense 85 40 41 4 47.1%
Sicilian Defense: Alapin Variation 84 38 37 9 45.2%
Sicilian Defense: Dragon Variation, Yugoslav Attack 81 39 38 4 48.1%
Czech Defense 77 45 25 7 58.4%
Bullet Opening Games Wins Losses Draws Win Rate
Sicilian Defense: Closed 350 210 125 15 60.0%
Scandinavian Defense 317 174 128 15 54.9%
Alekhine Defense 238 148 83 7 62.2%
Sicilian Defense: Accelerated Dragon 188 85 91 12 45.2%
Modern 181 90 81 10 49.7%
Amar Gambit 177 96 73 8 54.2%
Caro-Kann Defense 167 85 71 11 50.9%
Czech Defense 136 64 64 8 47.1%
Bird Opening 133 78 49 6 58.6%
Colle System: Rhamphorhynchus Variation 122 64 54 4 52.5%
Daily Opening Games Wins Losses Draws Win Rate
Amazon Attack 1 1 0 0 100.0%

🔥 Streaks

Streak Longest Current
Winning 22 2
Losing 11 0