About Jan Bernasek
Jan Bernasek, also known by the username berny643, is a formidable chess Grandmaster recognized by FIDE. Specializing in rapid, tactical battles, Jan thrives especially in the fast-paced Blitz and Bullet formats, where his sharp play and strategic acumen shine brightest.
Playing Style & Strengths
Known for his resilience and tactical prowess, Jan boasts an impressive comeback rate of over 89% and often scores wins even after losing a piece. His games tend to be engaging and relatively long, averaging around 80 moves per win — no quick draws here!
- Strongest in Blitz and Bullet time controls
- High activity in endgames with 88% frequency
- Prefers dynamic positions with sharp tactical opportunities
- Average first capture around move 7 — he doesn't shy from early confrontation
- White pieces yield a higher win rate (57%) compared to Black (48%)
Career Highlights & Peak Ratings
Jan’s peak ratings reflect his steady climb and prowess on the online arena:
- Blitz: An astounding peak rating of 2829 (July 2025)
- Rapid: Reached 2500 in February 2021
- Bullet: Peaked at 2347 in January 2021
Opening Preferences
Jan’s opening repertoire is quite varied, but he has shown particular success with:
- Queen's Pawn structures (especially Neo-Indian and 1...e6 variations)
- Sicilian Defense, notably the Kan Variation and Delayed Alapin
- Gruenfeld and King's Indian setups on the Black side
- For Bullet, a fondness for offbeat lines like the Nimzo-Larsen Attack and Hungarian Opening
Competitive Record & Notable Stats
With hundreds of games spanning Blitz, Rapid, and Bullet, Jan demonstrates a winning mindset and strong psychology:
- Total Blitz games won: 314 out of over 600 played
- Longest winning streak: 8 games
- Win rate tends to be higher against lower-rated opponents (over 63%) but holds his own well against equals and stronger players
- Active hours for best win rates include mornings and evenings, with a charming 100% win rate noted at 4 AM — perhaps fueled by midnight coffee?
Fun Facts
Besides being a chess powerhouse, Jan Bernasek is:
- Known for his resilience—he rarely resigns early (only about 0.8% early resignations)
- A player who loves lengthy battles, averaging around 87 moves per decisive game in 2025
- Likes to keep his opponents guessing with a wide range of openings in all time formats
- Not afraid to take risks: his losses often come in longer games, demonstrating his fighting spirit until the very end
Overall Performance and Rating Progress
Jan, you have shown impressive performance recently with a strength-adjusted win rate of approximately 57%. Additionally, your rating has increased by 430 points over the past 1, 3, and 6 months, showing a consistent upward trend in your chess skills. This steady progress is commendable, especially in bullet games where quick thinking is critical.
Game Highlights and Key Positives
- You are comfortable playing aggressive openings such as the Nimzowitsch-Larsen Attack and the English Opening, which suit your style well in fast-paced games.
- Excellent use of time in critical moments during your wins, allowing you to apply pressure and force your opponents into errors.
- Strong endgame technique is evident, with several wins on time indicating confident positional understanding and time management.
- Good tactical awareness – you frequently capitalize on opponent’s inaccuracies quickly, which is crucial in the bullet format.
Areas for Improvement
- In some losses, early exchanges led to loss of key central control or material disadvantage; paying closer attention to early middle-game piece coordination can help.
- Time management during complex positions can be refined. In bullet games, rapid evaluation is key, so practicing quick calculation while maintaining accuracy is important.
- Some games featured missed opportunities for better piece placement, especially in defensive phases; focusing on defensive resources and counterplay options could strengthen your resilience.
- Consider studying specific pawn structure themes and typical break moves in the openings you play to deepen your strategic understanding and avoid early positional weaknesses.
Suggestions for Training
- Review your games focusing on the early and middle-game transitions to spot recurring tactical or strategic mistakes.
- Practice puzzles and tactical motifs related to your favored openings to speed up pattern recognition under time pressure.
- Analyze more endgame scenarios, especially those arising from your preferred openings, to build confidence in converting advantages efficiently.
- Use slow games or training sessions to explore alternative plans and deepen your understanding of critical positions from your bullet openings.
Keep Up the Good Work!
Your recent success and rating gains reflect your dedication and talent. Staying mindful of the above points can help solidify your bullet play and prepare you for even stronger competition.
🆚 Opponent Insights
| Recent Opponents | ||
|---|---|---|
| Can Alp Cansun | 1W / 0L / 0D | |
| Christov Kleijn | 0W / 1L / 0D | |
| sanjeev_18 | 0W / 0L / 1D | |
| triangel69 | 1W / 0L / 0D | |
| stanley6 | 10W / 0L / 0D | |
| pancser1987 | 1W / 1L / 0D | |
| schmetterling64 | 0W / 1L / 0D | |
| genderuwo_mabuk | 0W / 1L / 0D | |
| Most Played Opponents | ||
|---|---|---|
| kleinermax | 13W / 3L / 4D | |
| stanley6 | 10W / 0L / 0D | |
| olliear | 6W / 3L / 0D | |
| Stevan Djordjevic | 3W / 4L / 1D | |
| Daniel Garcia Ramos | 2W / 4L / 1D | |
Rating
| Year | Bullet | Blitz | Rapid | Daily |
|---|---|---|---|---|
| 2025 | 2642 | |||
| 2024 | 2520 | |||
| 2022 | 2485 | |||
| 2021 | 2336 | 2591 | 2252 | |
| 2020 | 2525 | |||
| 2019 | 1906 |
Stats by Year
| Year | White | Black | Moves |
|---|---|---|---|
| 2025 | 164W / 118L / 30D | 142W / 141L / 32D | 87.6 |
| 2024 | 12W / 5L / 2D | 9W / 6L / 1D | 79.1 |
| 2022 | 3W / 3L / 1D | 2W / 4L / 1D | 90.2 |
| 2021 | 25W / 7L / 3D | 18W / 7L / 4D | 88.3 |
| 2020 | 8W / 2L / 1D | 8W / 3L / 3D | 93.8 |
| 2019 | 1W / 2L / 0D | 2W / 1L / 0D | 65.3 |
Openings: Most Played
| Blitz Opening | Games | Wins | Losses | Draws | Win Rate |
|---|---|---|---|---|---|
| Sicilian Defense: Alapin Variation | 36 | 22 | 13 | 1 | 61.1% |
| QGD: 3.Nc3 Nf6 4.e3 | 33 | 19 | 11 | 3 | 57.6% |
| Nimzo-Indian Defense: Normal Variation | 28 | 14 | 10 | 4 | 50.0% |
| Sicilian Defense: Kan Variation | 26 | 11 | 12 | 3 | 42.3% |
| Sicilian Defense: Kan Variation, Gipslis Variation | 23 | 8 | 14 | 1 | 34.8% |
| Sicilian Defense: Alapin Variation, Sherzer Variation | 21 | 10 | 7 | 4 | 47.6% |
| English Opening: Agincourt Defense | 18 | 10 | 7 | 1 | 55.6% |
| Döry Defense | 18 | 10 | 8 | 0 | 55.6% |
| King's Indian Defense: Four Pawns Attack | 16 | 12 | 2 | 2 | 75.0% |
| QGD: 3.Nc3 Bb4 | 16 | 11 | 3 | 2 | 68.8% |
| Rapid Opening | Games | Wins | Losses | Draws | Win Rate |
|---|---|---|---|---|---|
| Amazon Attack | 1 | 1 | 0 | 0 | 100.0% |
| Sicilian Defense: Najdorf Variation, Opocensky Variation | 1 | 1 | 0 | 0 | 100.0% |
| Gruenfeld: 4.Bf4 Bg7 | 1 | 1 | 0 | 0 | 100.0% |
| Nimzo-Indian Defense: Rubinstein System | 1 | 1 | 0 | 0 | 100.0% |
| Nimzo-Indian Defense: St. Petersburg Variation | 1 | 0 | 1 | 0 | 0.0% |
| Catalan Opening | 1 | 1 | 0 | 0 | 100.0% |
| English Opening: Symmetrical Variation | 1 | 1 | 0 | 0 | 100.0% |
| Czech Defense | 1 | 0 | 1 | 0 | 0.0% |
| Nimzo-Indian Defense: Normal Variation | 1 | 0 | 1 | 0 | 0.0% |
| QGD: 2...Bf5 3.cxd5 | 1 | 1 | 0 | 0 | 100.0% |
| Bullet Opening | Games | Wins | Losses | Draws | Win Rate |
|---|---|---|---|---|---|
| Nimzo-Larsen Attack | 6 | 4 | 1 | 1 | 66.7% |
| Caro-Kann Defense | 6 | 4 | 1 | 1 | 66.7% |
| Australian Defense | 5 | 3 | 0 | 2 | 60.0% |
| Amar Gambit | 5 | 4 | 0 | 1 | 80.0% |
| Caro-Kann Defense: Exchange Variation | 3 | 2 | 1 | 0 | 66.7% |
| London System: Poisoned Pawn Variation | 2 | 1 | 1 | 0 | 50.0% |
| Modern | 2 | 2 | 0 | 0 | 100.0% |
| Modern Defense | 2 | 1 | 1 | 0 | 50.0% |
| Bird Opening: Dutch Variation | 2 | 1 | 0 | 1 | 50.0% |
| Catalan Opening: Closed | 1 | 0 | 1 | 0 | 0.0% |
🔥 Streaks
| Streak | Longest | Current |
|---|---|---|
| Winning | 8 | 0 |
| Losing | 6 | 0 |