Avatar of Marco Dieleman

Marco Dieleman

Username: Dielie

Playing Since: 2017-08-22 (Active)

Wow Factor: ♟♟♟♟♟

Chess.com

Rapid: 2002
5W / 1L / 0D
Blitz: 2371
1683W / 1321L / 210D
Bullet: 2257
1502W / 1318L / 122D

Marco Dieleman - aka "Dielie"

Marco Dieleman is a formidable chess enthusiast whose passion for the 64 squares shines brightly in the world of fast and furious chess. Whether it’s blitz or bullet, Marco is a force to be reckoned with, boasting peak ratings of 2517 in blitz and an impressive 2516 in bullet. Clearly, speed doesn’t faze this chess player one bit — after all, “Dielie” plays thousands of games a year, each a thrilling battle between strategy, nerves, and occasionally, early resignations (he’s tipped the odds at a 95% early resignation rate, so don’t expect many marathons!).

Style & Stats

Notorious for his lightning-fast decisions and propensity to wrap things up in about 3 moves on average — win or lose — Marco’s style could be described as “blitzkrieg meets express checkout.” His win rates hover around a sturdy 58% in white and 57% in black, making him a tough competitor no matter which color he commands.

With over 45,000 blitz wins under his belt and blazing bullet victories too, Marco’s chess journey is nothing short of epic. He thrives under pressure, and his bullet rating surge up to 2406 shows he's as comfortable as a coffee shop chess hustler as he is in online arenas.

Opponents & Openings

Marco loves mixing things up, employing “Unknown Opening” and his secret weapon “Top Secret” with remarkable success, sweeping up wins with over 55% win rates in mainstays like blitz and bullet alike. His opponents who dare to face him repeatedly include names like jarlcarlander and angelinakali, where he battles fiercely with almost 50% success.

Psychological & Tactical Edge

Despite a modest “tilt factor” of 16 (chess players, you know this is code for “he gets a little grumpy when losing”), Marco shows exceptional resilience when down pieces with a comeback rate of around 4%. Though mostly he likes one-sided games, it’s this occasional comeback spark that keeps fans on the edge of their seats.

A Few Fun Facts

  • Average moves per win or loss: about 3.3 — blink and you might miss his games!
  • Current winning streak: a humble 0, but his longest was a dazzling 30 wins in a row.
  • Rapid and daily chess? Marco’s got them covered too, with perfect rapid win rate (100%) in 6 recorded wins. Daily chess is more laid back, but he’s playing there as well.
  • Battle-tested with tens of thousands of fast games, he’s basically a speed chess machine.

Summary

In short, Marco Dieleman is the guy you want on your team in bullet and blitz, but beware: his rapid fire style and quick resignations could have you wondering if the opponent is really even playing chess… or speed chess with ninja reflexes. One thing is for sure, with "Dielie" at the board, the games are fast, furious, and never predictable.


Coach's Avatar

Overall Performance Overview

Marco, your recent blitz games show a mix of strong tactical awareness and areas for strategic improvement. Your strength adjusted win rate is around 38%, which means there are good opportunities to convert your skills into more consistent positive results. Your ratings have fluctuated with a recent one-month dip of about 39 points; however, your short-term trend shows a promising slight upward slope, indicating opportunities for growth despite some setbacks.

Game Highlights and Suggestions

  • Opening Choices: You frequently use King's Indian Defense and Modern Defense structures. These are solid choices in blitz, allowing dynamic play. Continue deepening your understanding of these openings to get comfortable with typical plans and tactics.
  • Tactical Execution: Your wins demonstrate good tactical vision, including successful combinations and exploiting opponent mistakes. Keep practicing calculation under time pressure to sharpen this further.
  • Time Management: In some losses, you faced increasing pressure likely from time management challenges. Try to balance your thinking time between critical and routine moves to avoid time trouble late in games.
  • Positional Play and Defense: Losses often occurred after opponents capitalized on weaknesses or gained space. Work on assessing positional risks early, improving piece coordination, and defense under pressure.

Rating Trends and Development

While your rating trend over the recent 3 months shows some decline, your 1-month trend indicates possible improvement momentum. The 12-month data suggests a generally positive longer-term development. Consider the following for sustained rating progress:

  • Regular review of losses to identify recurring mistakes or weaknesses.
  • Focused opening study to improve comfort with your preferred lines and avoid early imbalances.
  • Drills to improve calculation speed and accuracy in blitz conditions.
  • Working on endgame fundamentals to convert advantages more reliably.

Next Steps

To build on your solid foundation, try these practical steps:

  • Analyze a few key losses in depth, especially where opponents penetrated your position or tactical oversight occurred.
  • Study typical middlegame plans in your main openings like the King's Indian Defense and Modern Defense for better strategic clarity.
  • Practice puzzles and blitz games focusing on calculation to increase your tactical alertness.
  • Use incremental time management in blitz — spend more time in critical positions, less on obvious moves.

Keep up the consistent effort, and you will see further rating improvement and stronger confidence in your games.



🆚 Opponent Insights

Recent Opponents
Marton Braun 2W / 0L / 0D
lewiseisen 1W / 0L / 0D
pink-ostrich 0W / 1L / 0D
shen20 1W / 0L / 0D
shekibsozan 0W / 1L / 1D
pierog1988 1W / 0L / 0D
mixiil 0W / 1L / 0D
ivbry 0W / 1L / 0D
misimp2024 1W / 0L / 0D
lamachineee 4W / 1L / 0D
Most Played Opponents
Jarl Carlander 296W / 293L / 6D
Angelina Kali 281W / 289L / 0D
Dieblauesau 264W / 291L / 6D
Selim Citak 231W / 314L / 4D
demestofos 316W / 228L / 1D

Rating

Year Bullet Blitz Rapid Daily
2025 2257 2349 2002
2024 2304 2244 2004 1200
2023 2316
2022 2317 2278
2021 2266 2287
2020 2319 2439
2019 2325 2400
2018 1887 2340
2017 1810 2233
Rating by Year20172018201920202021202220232024202524391810YearRatingBulletBlitzRapid

Stats by Year

Year White Black Moves
2025 4103W / 3628L / 130D 3932W / 3720L / 107D 15.7
2024 1496W / 1318L / 43D 1489W / 1326L / 38D 9.7
2023 1028W / 896L / 10D 961W / 894L / 8D 0.0
2022 698W / 603L / 10D 705W / 627L / 5D 0.0
2021 2037W / 1444L / 11D 1998W / 1395L / 16D 0.1
2020 2995W / 1834L / 27D 3026W / 1886L / 24D 1.0
2019 6071W / 3854L / 51D 5866W / 3949L / 36D 0.5
2018 7438W / 5199L / 21D 7240W / 5300L / 12D 1.0
2017 393W / 235L / 50D 355W / 292L / 39D 75.4

Openings: Most Played

Blitz Opening Games Wins Losses Draws Win Rate
Unknown 84233 48294 35629 310 57.3%
Amar Gambit 330 187 112 31 56.7%
Sicilian Defense: Closed 232 127 86 19 54.7%
Czech Defense 183 90 78 15 49.2%
Modern 169 78 79 12 46.1%
Hungarian Opening: Wiedenhagen-Beta Gambit 136 72 55 9 52.9%
Colle System: Rhamphorhynchus Variation 128 74 49 5 57.8%
Benoni Defense 115 63 49 3 54.8%
Vienna Gambit, with Max Lange Defense 92 53 32 7 57.6%
Pirc Defense: Classical Variation 84 42 39 3 50.0%
Bullet Opening Games Wins Losses Draws Win Rate
Amar Gambit 818 432 335 51 52.8%
Unknown 265 130 134 1 49.1%
Modern 232 116 107 9 50.0%
Czech Defense 176 87 87 2 49.4%
Colle System: Rhamphorhynchus Variation 160 85 71 4 53.1%
Bird Opening: Dutch Variation 148 82 65 1 55.4%
Australian Defense 147 77 64 6 52.4%
Pirc Defense: Classical Variation 145 69 69 7 47.6%
Nimzo-Larsen Attack 92 45 47 0 48.9%
Hungarian Opening: Wiedenhagen-Beta Gambit 90 47 41 2 52.2%
Daily Opening Games Wins Losses Draws Win Rate
Amar Gambit 1 0 1 0 0.0%

🔥 Streaks

Streak Longest Current
Winning 30 1
Losing 16 0