Avatar of Nikolaos Kalesis

Nikolaos Kalesis IM

Username: Serlock

Playing Since: 2020-01-14 (Active)

Wow Factor: ♟♟♟♟♟

Chess.com

Blitz: 2544
175W / 69L / 23D

Nikolaos Kalesis – The International Master with a Blitz Touch

Known in the chess world as a fearsome tactician and an absolute blitz blitzkrieg, Nikolaos Kalesis holds the prestigious title of International Master awarded by FIDE. With a peak blitz rating climbing as high as 2579 in 2020, Nikolaos is not just fast but frighteningly consistent, boasting an impressive 65% win rate over more than 260 blitz games. Opponents beware: this player’s moves don’t just come quickly—they come with a vengeance.

Nikolaos is a connoisseur of long, strategic battles, often stretching games to an average of 74 moves before sealing victory, while losses tend to linger even longer, showing true endurance and fighting spirit. When the chips are down, Nikolaos is no quitter, sporting a 100% win rate after losing a piece – a true comeback king! In fact, the longest winning streak on record stands proudly at 12 games, a testament to their relentless drive.

This player’s performance varies intriguingly with time and day: Tuesdays and Wednesdays are golden opportunities with win rates soaring past 70%, while evenings are hot too—100% wins have even been recorded at 8 PM and 11 PM hours! Perhaps Nikolaos enjoys a little after-dark brain frenzy.

Nikolaos’ approach to openings is shrouded in mystery ("Top Secret" to be exact), dominating with a solid 65% win rate in blitz openings across 267 games—proving the player is not just about speed but also strategic depth. Black or white, Nikolaos dances equally well, with both colors holding above 65% win rates.

On the psychological front, Nikolaos keeps a remarkably cool head with a minor tilt factor of 5, showing resilience even in the face of adversity—because who needs tilt when you can just out-calc your opponent? And despite a casual gamer’s urge, rated games lead to a notable 65% increase in winning likelihood, proving this player thrives under pressure.

Favorite foes include “nmmustang6000” who has yet to taste victory against Nikolaos, while "mimizah" has had a spirited 7 clashes with an 85% success for Nikolaos. Some adversaries, such as “zeigmata” and legendary names like “anand-carlsen,” remain elusive, reminding us that even the best have rivals who keep them honest.

In summary, Nikolaos Kalesis is a brilliant blend of blistering blitz speed, tactical wizardry, and strategic stamina, wrapped up in an International Master’s garb. Next time you face Serlock on the board, prepare for a chess lesson… or at least a very exciting ride!


Coach's Avatar

Hi Nikolaos, personalized feedback based on your recent blitz games

What you already do well

  • Sound opening repertoire. As Black you employ the Nimzo-Indian and Scheveningen structures confidently, while with White you handle Queen-Pawn systems and the Anti-Grünfeld smoothly. You often emerge from the opening with at least equal play.
  • Activity-first mindset. In many wins (e.g. vs. spongyexorcis  and NMMustang6000) you willingly give pawns to seize the initiative, showing good tactical vision and the courage to keep pieces humming.
  • Calculation under pressure. Even in time scrambles you spot forcing ideas such as …Rc4, …Bxd4 or the exchange sac …Rxe3 against Dutch setups. This tactical sharpness is a real asset.

Key areas to focus on next

  1. Clock management
    • Four of the last six losses were on time with playable (sometimes better) positions.
    • Goal: arrive at move 20 with ≥40 % of your initial time. Try a simple “10-second rule”: move within 10 s unless the position is critical.
    89101112131517181920212223100%0%Hour of Day
    (use this chart to discover when your concentration is highest).
  2. Converting technical positions
    • Against Mi-Wan (Dutch Fianchetto) you reached an equal ending but allowed your pawns to become static and eventually resigned a lost king-and-pawn ending.
    • Drill the “four must-know rook endings” and typical outside passed pawn scenarios 15 minutes per day.
  3. Prophylaxis & king safety
    • In the loss to zeigmata your 18.h4 weakened dark squares; …Ne4–Rfd8-Rxb3 punished it instantly.
    • Add one question to your thinking routine: “What is my opponent’s next half-threat?” This prevents self-inflicted weaknesses.
  4. Fine-tune your mainline Nimzo
    • Several games reached the diagram after 4.Qc2 O-O 5.a3 Bxc3 6.Qxc3 d5. You sometimes choose 7.cxd5 and sometimes 7.Nf3 or 7.Bg5.
    • Pick one move-order as your main weapon and learn the thematic plans (minority attack vs. kingside expansion). Consistency will save time on the clock.

Action plan (next 4 weeks)

WeekMain taskHow to measure
1Time-management drills in 3|2 games<20 % losses on time
2Rook & pawn endings studyWin 3 test positions vs. engine
3Deep dive: Nimzo 7.cxd5 lineCreate a one-page “plan sheet”
4Self-analysis of every loss (before engine)3-sentence summary per game

Quick reference corner

• Current peak blitz rating: 2579 (2020-02-14)
• Glossary refresher: prophylaxis, minority attack, outside passed pawn

Motivational snippet

Remember this finish?

That game shows your ability to squeeze in long endings when you avoid time trouble.

Keep the momentum going!

With sharper clock handling and a bit more endgame polish you have every chance to push beyond your current peak. Happy studying and good luck at the board!



🆚 Opponent Insights

Most Played Opponents
Barnabás Emődi 6W / 0L / 1D
vit2015 3W / 1L / 2D
marinstrasni 2W / 2L / 1D
Sinisa S Popov 3W / 2L / 0D
spongyexorcis 3W / 2L / 0D

Rating

Year Bullet Blitz Rapid Daily
2020 2538

Stats by Year

Year White Black Moves
2020 88W / 34L / 13D 86W / 35L / 11D 79.6

Openings: Most Played

Blitz Opening Games Wins Losses Draws Win Rate
Döry Defense 15 13 1 1 86.7%
Sicilian Defense 14 7 6 1 50.0%
Slav Defense 14 11 3 0 78.6%
Nimzo-Indian Defense: Classical Variation 14 11 2 1 78.6%
Gruenfeld: Exchange Variation 10 8 1 1 80.0%
Sicilian Defense: Scheveningen Variation 10 7 2 1 70.0%
Colle System: Rhamphorhynchus Variation 8 4 4 0 50.0%
Queen's Indian Defense: Buerger Variation 8 4 2 2 50.0%
English Opening: Symmetrical Variation, Fianchetto Variation 8 6 1 1 75.0%
Benko Gambit 8 4 3 1 50.0%

🔥 Streaks

Streak Longest Current
Winning 12 0
Losing 5 2