Avatar of John Leko

John Leko

Username: Bulldzer

Playing Since: 2017-04-04 (Active)

Wow Factor: ♟♟♟♟

Chess.com

Daily: 1465
167W / 381L / 20D
Rapid: 1661
315W / 358L / 26D
Blitz: 1513
1763W / 1885L / 107D
Bullet: 1575
21W / 25L / 1D

Bulldzer: A Tenacious Chess Competitor

Bulldzer first stepped into the competitive arena in 2017, and over the past several years has steadily refined his style and sharpened his strategic acumen. His early ratings, with modest figures in Daily and Blitz formats, have evolved into solid performances—a Blitz rating that crept from the mid-1500s to an impressive 1648 in peak years and Rapid scores consistently hovering around the 1700 mark. This progression is a testament to his unwavering dedication and capacity for continuous improvement.

Known for his resilience at the board, Bulldzer has earned a reputation for never giving up. His comeback rate of nearly 80% and a remarkable ability to win even after an early setback, such as losing a key piece, set him apart as a tactically aware and psychologically tough opponent. Whether engaged in a quick-paced blitz battle or a deep, thoughtful rapid game, he maintains an aggressive yet measured approach that keeps his adversaries guessing.

His playing style is both versatile and strategic. With an early resignation rate of just 4% and a focus on steering games into promising endgame scenarios—evidenced by an endgame frequency exceeding 60%—Bulldzer is not one to concede lightly. His average win comes after roughly 65 moves, showcasing endurance and a long-term vision for the evolving positions on the board, while even his losses reveal a fast, decisive nature as he often wraps up games in fewer moves.

Equally comfortable with a diverse range of openings—from staunch defenses like the Scandinavian and Caro-Kann to more aggressive, modern systems—Bulldzer’s repertoire reflects his expansive chess knowledge and adaptability. His strategic choices are informed by both empirical performance trends by hour and day, as well as an ability to react to an opponent’s style, making him a well-rounded competitor who thrives under pressure.

Ultimately, Bulldzer is celebrated not only for the steady rise in his ratings but also for his psychological fortitude. With a tilt factor suggesting a balanced emotional approach and a modest win rate difference between rated and casual games, he embodies the spirit of a player who continually learns and adapts. His journey is one of persistence, tactical brilliance, and an unyielding will to succeed, making his story an inspiring narrative in the world of chess.


Coach Chesswick's Profile Photo
Coach Chesswick

Hi John, here is your personalized post-match report

Quick snapshot

• Current Peak: 1883 (2023-03-24)
• Recent form: 5 wins – 5 losses in the sample provided.
• Typical session:

01234567891011121314151617181920212223100%0%Hour of Day
 
MonTueWedThuFriSatSun100%0%Day of Week

What you’re already doing well

  • Active, initiative-driven openings. Your Nimzo-Indian victory against howku shows confident piece play and a willingness to seize space with early …d5 and …h5. You converted in only 17 moves − keep this aggressive mindset.
  • Early king safety. In almost every win you castle before move 10, giving you freedom to attack (e.g. 1.e4 e5 2.Nf3 Nc6 3.d4… win vs yakkyyak).
  • Tactical vision. Your 11.Qxc5!! in the Scotch Game exploited an overloaded queen and netted material; these shots appear frequently in your wins.

Key growth areas

  1. Caro-Kann performance as Black (0/4 in the sample).
    • You are reaching similar Advance and Fantasy structures but struggle against early f-pawn thrusts.
    • Study model games with …c5/…Nc6 plans and the timely …g5 break. 15-20 minutes of focused opening prep will pay off quickly.
  2. Handling Nb5 & outposts.
    Your latest loss (Alapin Sicilian) ended after 9.e5 Nd5 10.Nb5. Black can meet this by 10…dxe5 11.dxe5 a6! chasing the knight before developing the dark-squared bishop.
  3. Time management. One game (vs jbhatt_192) was lost on time in a winning position. Try the “30-30-40 rule”: spend roughly 30 % of your clock on the opening, 30 % on the middlegame transition, and keep 40 % for the final phase.
  4. Converting endgames. Against fat-frumos68 you reached a drawn rook-and-pawn ending but resigned after mis-assessing a distant passed pawn. Regularly practice technical endings on a trainer or by replaying classic endings – it sharpens calculation and confidence.

Targeted drills for the coming week

ThemeExercise typeDaily dose
Opposite-colored bishop endingsEndgame studies10 mins
Backward pawn exploitationAnnotated master games15 mins
Caro-Kann Advance defenceOpening flashcards10 mins
3-move calculation burstsTactics trainer15 mins

One critical moment to replay

From your loss to deibyroos (moves 8-11):

    8… h6 9.e5 Nd5 10.Nb5 d6 11.Bf4 Nxf4?!
    Better was 11… Nxf4 12.exd6 Bxd6 with equality.
  
Drop this mini-sequence into your board and test alternative lines; you’ll see how quickly the position improves after simple prophylaxis.

Next steps

  • Integrate at least one solid alternative to the Caro-Kann (e.g. the French or 1…e5) so you have a back-up on tough days.
  • Play two games this week focused solely on staying above 5 minutes on the clock before move 20.
  • Upload your games for engine review but first annotate them yourself; compare notes afterwards.

Keep up the sharp play, refine these specific areas, and your next rating peak is just around the corner. Good luck, and enjoy the journey!



🆚 Opponent Insights

Recent Opponents
nikycamelo 0W / 1L / 0D View
Most Played Opponents
Sameer Mujumdar 16W / 341L / 2D View Games
emeraldteam_vs 52W / 9L / 5D View Games
aurelianosegundo 30W / 18L / 0D View Games
chessdada007 18W / 13L / 5D View Games
miami111 8W / 21L / 4D View Games

Rating

Year Bullet Blitz Rapid Daily
2025 1661
2024 1513 1702
2023 1583 1719 1465
2022 1595 1744
2021 1648 1765 1482
2020 1593 1660
2019 1425 1631 1615 1312
2018 1628 1632 1580 1310
2017 1600 1561 1534 1332
Rating by Year20172018201920202021202220232024202517651310YearRatingBulletBlitzRapidDaily

Stats by Year

Year White Black Moves
2025 0W / 0L / 0D 0W / 1L / 0D 57.0
2024 8W / 8L / 0D 4W / 12L / 0D 54.0
2023 20W / 31L / 3D 22W / 29L / 1D 62.4
2022 10W / 13L / 3D 7W / 17L / 1D 67.7
2021 77W / 80L / 7D 73W / 86L / 3D 65.9
2020 17W / 23L / 1D 20W / 17L / 1D 64.4
2019 391W / 497L / 28D 389W / 508L / 32D 61.0
2018 390W / 434L / 26D 358W / 482L / 28D 60.7
2017 307W / 357L / 18D 271W / 411L / 14D 62.7

Openings: Most Played

Blitz Opening Games Wins Losses Draws Win Rate
Caro-Kann Defense 473 218 243 12 46.1%
Sicilian Defense: Alapin Variation 402 200 190 12 49.8%
Scandinavian Defense 394 190 193 11 48.2%
Scotch Game 278 123 148 7 44.2%
Caro-Kann Defense: Exchange Variation 130 54 73 3 41.5%
Barnes Defense 127 67 57 3 52.8%
Philidor Defense 103 39 61 3 37.9%
Amazon Attack: Siberian Attack 101 45 54 2 44.5%
Amar Gambit 83 38 44 1 45.8%
Döry Defense 77 28 47 2 36.4%
Rapid Opening Games Wins Losses Draws Win Rate
Caro-Kann Defense 128 53 67 8 41.4%
Sicilian Defense: Alapin Variation 86 43 40 3 50.0%
Scotch Game 65 31 30 4 47.7%
Scandinavian Defense 51 24 24 3 47.1%
Caro-Kann Defense: Exchange Variation 27 16 11 0 59.3%
Blackburne Shilling Gambit 22 11 10 1 50.0%
Barnes Defense 18 6 10 2 33.3%
Four Knights Game 18 7 9 2 38.9%
Philidor Defense 17 12 5 0 70.6%
Nimzo-Indian Defense: Three Knights Variation 14 5 9 0 35.7%
Daily Opening Games Wins Losses Draws Win Rate
Caro-Kann Defense 76 21 54 1 27.6%
Sicilian Defense: Alapin Variation 49 16 31 2 32.6%
Scotch Game 47 23 22 2 48.9%
Unknown 42 6 36 0 14.3%
Scandinavian Defense 30 7 23 0 23.3%
Barnes Defense 21 7 14 0 33.3%
Philidor Defense 17 4 12 1 23.5%
Amazon Attack: Siberian Attack 14 3 11 0 21.4%
Caro-Kann Defense: Exchange Variation 12 3 8 1 25.0%
Blackburne Shilling Gambit 11 5 5 1 45.5%
Bullet Opening Games Wins Losses Draws Win Rate
Scandinavian Defense 8 2 5 1 25.0%
Sicilian Defense: Alapin Variation 5 4 1 0 80.0%
Caro-Kann Defense 5 2 3 0 40.0%
Döry Defense 3 2 1 0 66.7%
Barnes Defense 3 2 1 0 66.7%
Blackburne Shilling Gambit 2 1 1 0 50.0%
Four Knights Game 2 1 1 0 50.0%
Amar Gambit 2 0 2 0 0.0%
Scotch Game 2 0 2 0 0.0%
Czech Defense 2 0 2 0 0.0%

🔥 Streaks

Streak Longest Current
Winning 13 0
Losing 43 2
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