Avatar of Zeljko678

Zeljko678

Playing Since: 2020-07-08 (Active)

Wow Factor: ♟♟♟♟♟

Chess.com

Rapid: 1431
3W / 1L / 0D
Blitz: 2359
11748W / 10022L / 3072D

Player Profile: Zeljko678

Since starting to compete on Chess.com in 2020, Zeljko678 has shown a remarkable passion for blitz, logging tens of thousands of matchups. His Blitz rating history is impressive, peaking at 2538 in 2025, and rarely dipping below 1352 since he began. Over the years, he has played in excess of 22,000 total blitz games, accumulating 10,798 wins, 9,147 losses, and 2,782 draws.

Although he has dabbled in Rapid on rare occasions—just two games, both won—blitz has been his true focus. Across these seasons, he has posted steady improvements in his rating, often averaging around the 2300–2400 threshold. He reached his personal best in Blitz (2538) in 2025, demonstrating continuous growth and dedication.

Known for his strong preference for solid defenses and ambitious openings, Zeljko678 favors the Caro-Kann, Slav, and Kings Indian Defense setups in blitz. He has, for example, battled through more than 500 Caro-Kann games, over 700 Slav, and nearly 1,500 Kings Indian Samisch Steiner Attack showdowns, often embracing dynamic pawn pushes and intricate strategical lines. Notably, his performance in lines such as the Caro-Kann or the Kings Indian Samisch has hovered around or above the 50% win mark, reflecting both his fighting spirit and willingness to navigate complex middlegames.

Statistically, Zeljko678 displays a high endgame frequency (over 84%), coupled with a strong “comeback rate,” indicating he is rarely out of a game even when down material. He has also established a longest winning streak of 14 consecutive victories, revealing that when on form, he can be formidable for any opponent. His tilt factor remains modest, suggesting resilience even after challenging losses.

While his winning percentages vary slightly depending on the day—and his results suggest different playing strengths at different hours—he remains a determined attacker throughout the week, constantly scanning the board for tactical shots and endgame conversions. If you encounter Zeljko678 in a blitz arena, expect a battle of wits marked by perseverance and a keen sense of momentum.


Coach Chesswick's Profile Photo
Coach Chesswick

Strong points in your rapid games

You show clear willingness to fight for active play, especially in the Caro-Kann structures you favor. You think in terms of piece activity and are comfortable converting advantages when you gain space or seize initiative in the middlegame. Your openings indicate a solid, resilient approach and a readiness to simplify into favorable endgames when ahead.

  • Initiative and pressure in the middlegame when you find active piece coordination.
  • Consistency with a solid opening choice (Caro-Kann) that leads to clean, reachable middlegames.
  • Ability to convert advantages from balanced or slightly worse positions into a win in some games.

Areas to improve

  • Time management in fast time controls: allocate a bit more time to critical middlegame decisions to avoid rushing into risky captures or unclear plans.
  • Depth of calculation in tactical moments: double-check for counterplay before committing to forcing lines, especially when material is equal or you are pursuing an initiative.
  • Structural awareness after exchanges: watch for pawn structure changes that leave weak squares or target pawns; aim to keep your king relatively safe and your pawn skeleton sound.
  • Endgame technique: practice common rook endgames and simple king-and-pawn endings so you can convert or hold wins more reliably.
  • Opening diversification: continue refining the Caro-Kann repertoire but also prepare a flexible plan against a few common White responses to avoid getting surprised after early deviations.

Targeted training plan

To build on your current level, try this focused two-week plan. It emphasizes the openings you use, as well as practical endgames and calculation discipline.

  • Daily tactics: 15–20 minutes of focused puzzle work, emphasizing pattern recognition for forks, pins, and discovered attacks that occur in the Caro-Kann structures you often reach.
  • Opening study: 2–3 short sessions per week to deepen your understanding of the Caro-Kann Defense and the Exchange Variation, plus a light review of the QGD ideas you’ve encountered.
  • Game analysis: review at least 2 of your recent rapid games per week (one win and one loss), noting the turning points and what you would do differently next time.
  • Endgame practice: 2 short sessions (10–15 minutes) focusing on rook endings and king-pawn endings to improve conversion and defense in real games.
  • Time-management drills: in practice games, set a target time per move (e.g., 1 minute for the first 20 moves) and stick to it to build consistent pace in real games.

Opening guidance and adjustments

Your Caro-Kann results show it is a strong and reliable weapon for you. Keep using it as your main toolkit, but also prepare a plan for the Exchange Variation against certain White setups to handle dynamic and imbalanced positions. The QGD-related line you used indicates you can handle solid, strategic games too, which is a good complementary option if you want to diversify.

  • Practice typical pawn structures from Caro-Kann games (especially the central pawn chain and how Black supports it) so you can anticipate common plans for both sides.
  • Study the Exchange Variation concepts where Black trades into an open game with chances on the queenside, to avoid feeling squeezed in these lines.
  • When using the QGD approach, reinforce patience in the buildup and look for timely breaks rather than rushing to activate pieces.

Quick practical drills

  • Do 3–4 tactical puzzles a few times per week that reflect typical motifs in your openings (forks, overloading, and piece coordination in Caro-Kann structures).
  • Analyze one winning and one losing game each week with emphasis on critical moments and alternative safe continuations.
  • Practice at least one rook endgame per week to strengthen endgame conversion and defensive technique.
  • Keep a simple move-checklist during games: king safety, development, central control, and a concrete plan before trading pieces.

Personalized note

If you’d like, I can tailor this plan to your playing style and opponents. See your profile for a quick overview and to share any specific goals you have for the next couple of months. Zeljko678



🆚 Opponent Insights

Recent Opponents
rafailovv 1W / 0L / 0D View
chess_needs_an_uupdate 3W / 4L / 3D View
henry940622 2W / 2L / 0D View
hayrettin 1W / 0L / 0D View
savoryclass 0W / 1L / 0D View
Milan Franic 8W / 17L / 5D View
george13pi 1W / 0L / 1D View
vinnythegreat5555 1W / 0L / 0D View
raul31085 9W / 19L / 9D View
kralevsk 1W / 0L / 0D View
Most Played Opponents
Tom Borvander 79W / 48L / 15D View Games
aflatunmamedov 54W / 52L / 25D View Games
romanakopov 38W / 49L / 22D View Games
Zvonko Stanojoski 21W / 49L / 8D View Games
epolkovnikov 36W / 33L / 9D View Games

Rating

Year Bullet Blitz Rapid Daily
2025 2457 1431
2024 2339
2023 2334
2022 2223
2021 2267 1487
2020 2295 1357
Rating by Year20202021202220232024202524571357YearRatingBlitzRapid

Stats by Year

Year White Black Moves
2025 615W / 471L / 180D 537W / 581L / 165D 80.5
2024 768W / 660L / 211D 696W / 728L / 208D 79.8
2023 1034W / 819L / 264D 889W / 961L / 267D 80.1
2022 812W / 677L / 217D 711W / 757L / 222D 79.2
2021 1663W / 893L / 322D 1511W / 1032L / 342D 78.8
2020 1331W / 1123L / 297D 1129W / 1257L / 360D 79.9

Openings: Most Played

Blitz Opening Games Wins Losses Draws Win Rate
Caro-Kann Defense 2373 1127 1013 233 47.5%
King's Indian Defense: Sämisch Variation, Bobotsov-Korchnoi-Petrosian Variation 1709 962 616 131 56.3%
Caro-Kann Defense: Classical Variation 1392 591 598 203 42.5%
Slav Defense 963 510 316 137 53.0%
Nimzo-Indian Defense: Classical Variation 940 421 381 138 44.8%
Caro-Kann Defense: Exchange Variation 749 358 300 91 47.8%
Döry Defense 700 283 305 112 40.4%
Benko Gambit 666 317 278 71 47.6%
QGD: Exchange, 5.Bg5 c6 6.Qc2 g6 606 290 224 92 47.9%
Australian Defense 587 276 244 67 47.0%
Rapid Opening Games Wins Losses Draws Win Rate
Caro-Kann Defense 2 2 0 0 100.0%
Caro-Kann Defense: Exchange Variation 1 0 1 0 0.0%
QGD: 3.Nc3 Nf6 4.e3 1 1 0 0 100.0%

🔥 Streaks

Streak Longest Current
Winning 14 4
Losing 9 0
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