Avatar of Ivan Kalajzic

Ivan Kalajzic CM

Username: Kale36

Location: Vrgorac

Playing Since: 2014-01-15 (Active)

Wow Factor: ♟♟♟♟♟♟

Chess.com

Rapid: 2257
107W / 94L / 38D
Blitz: 2471
14680W / 14899L / 2951D
Bullet: 2335
8977W / 9755L / 1490D

Overview

Ivan Kalajzic (aka Kale36) is a fierce Candidate Master with a reputation as a blitz specialist. A strategist who prefers the thrill of the clock, Ivan built his name online and over-the-board playing aggressive, creative chess with an uncanny knack for late-comeback tactics. This profile highlights his style, repertoire, and the little quirks that make him memorable to opponents and fans alike.

Preferred time control: Blitz — expect frantic tactics, quick sacrifices, and the occasional resignation offered with a smile.

Quick snapshot: 2649 (2025-09-25) • Rating trend:

Blitz Rating201420202021202220232024202524482110YearBlitz Rating

Career Highlights

Ivan earned the FIDE Candidate Master title and has been particularly dominant online in fast time controls. He regularly competes in high-volume blitz and bullet events and has racked up long win streaks and dramatic reversals that make highlight reels — if only someone would make them.

  • Known for long tournament runs and deep experience in high-frequency blitz matches.
  • Strong track record against a rotating pool of top opponents; frequently meets competitive players like honorthehawk and tomcat1603.
  • Notable peak performance in recent seasons showcased his adaptability across time controls.

Playing Style & Psychology

Ivan blends hyper-tactical bursts with surprisingly patient endgame technique. He often prefers to steer games into messy, dynamic positions where his tactical awareness shines. The scoreboard and habits say a lot:

  • Style: Tactical opportunist who loves complications and tricky imbalances.
  • Endgame frequency: Frequently carries games deep — comfortable in long endgames.
  • Psychology: Can mount big comebacks; handling of tilt is a known area of human improvement (tilt factor — a real thing).

Openings & Repertoire

Ivan’s opening choices are eclectic but effective. He returns again and again to offbeat, surprise-first-move systems that often take opponents out of book quickly.

  • Favorite starting systems: Nimzo-Larsen Attack (a staple), Barnes Defense, and the versatile Modern setup.
  • Ambitious choices: Amazon Attack and Amar Gambit appear frequently — Ivan enjoys positions that punish passive play.
  • As Black, he mixes active defenses and tactical sidelines to avoid heavy preparation wars.

Sample opening sequence (small taste of the Nimzo-Larsen flavor):

Notable Streaks & Records

  • Longest winning streak: 20 games — a run that left many opponents convinced the time control was haunted.
  • Resilience: strong comeback rate — often converts difficult positions into wins.
  • Frequent rivals include: honorthehawk, tomcat1603, Toomas Valgmae — matches against them are tactical and entertaining.

Practical Tips from Kale36

For those seeking to learn from Ivan’s approach:

  • Embrace offbeat openings to take opponents out of their comfort zone early.
  • Practice time-pressure tactics — Ivan’s advantage often grows as the clock dwindles.
  • Develop a patient endgame mindset; many of his wins arrive after 60+ moves.

Personal Notes & Fun Facts

Ivan is as human as his blunders: he drinks terrible coffee during long sessions, delights in cheeky sacrifices, and once offered a draw while up an exchange "just to be polite." If chess had a comedy hour, he'd be a headliner.

  • Username: Kale36 — the handle that many opponents groan at seeing on the pairings sheet.
  • Best time to play him: late-night sessions (Ivan does his best work near midnight).
  • Placeholder for deeper dives: explore favored openings like Nimzo-Larsen Attack and Barnes Defense to catch his style in the wild.

Want to Study a Game?

Here’s a compact example demonstrating early wing play, tactical skirmishes, and a brave endgame push — perfect for players who want to learn practical blitz decision-making.


Coach Chesswick's Profile Photo
Coach Chesswick

Hi Ivan — short, practical read

Good stretch of blitz: you create active chances, push passed pawns and win sharp games. Your 6‑month trend and recent +73 rating change show clear progress. Below are focused, actionable points to convert more wins and cut down on avoidable losses.

What you're doing well

  • Active piece play — you consistently bring rooks and queens to the opponent’s back rank and generate threats.
  • Pawn play and breaks — the c‑ and b‑pawn advances in recent wins show good understanding of passed‑pawn play.
  • Opening surprise value — your varied repertoire (e.g. Nimzo-Larsen Attack) gets opponents out of book and into unbalanced positions.
  • Practical persistence — you keep the clock moving and pressure opponents, which produces wins (including by flag occasionally: Flagging).

Recurring issues to fix

  • Time management: several decisive games get decided in the last 30 seconds. Improve how you budget early moves so quality doesn't collapse at the end.
  • King safety & back‑rank: your recent loss ended in a mating sequence. Guard against back‑rank mates when queens and rooks are active.
  • Piece coordination: a few games show loose pieces and missed defensive resources — tighten how you regroup after exchanges.
  • Converting advantages: you often create imbalances but then miss the simplest path to a won endgame; aim to simplify correctly when ahead.

Daily & weekly improvement plan

  • Daily (15–20 min): tactics trainer focused on mates, back‑rank motifs, forks and pins. Do sets with increasing difficulty until you hit a target (e.g., 10/12 correct).
  • 3×/week (30–45 min): one slow training game (15+10 or 30+0) followed by a 10–15 min post‑mortem. Mark 3 turning points and alternative moves.
  • 2×/week (20 min): endgame drills — rook vs rook + pawn, basic king + pawn endings, and forced mate patterns to remove back‑rank weaknesses.
  • Weekly blitz block (1 hour): play 20 blitz games but enforce a strict internal rule — no premoving when under 10s left; focus on clean, practical moves.

In‑game checklist (use every game)

  • Turns 10 and 20: check opponent threats and your king safety. If anything is loose, neutralize it (trade or cover).
  • If you're up material: simplify safely — trade queens/rooks and aim for a known winning endgame instead of hunting complications.
  • If under 30 seconds: switch to a “safety protocol” — play checks, captures and forcing moves; avoid long calculations.
  • Before any queen trade: verify there is no back‑rank or rook infiltration that gives counterplay.

Small technical fixes (quick wins)

  • Adopt a 30s rule: when you drop below 30 seconds, stop premoves and only play simple, forcing moves.
  • Memorize 5 defensive patterns against common mating nets (back‑rank, rook lift, mating squares around the king).
  • When winning, keep one waiting move in your pocket to avoid tactical surprises — a calm prophylactic move often wins the game.

Study target — the recent loss vs juriko

Replay the finish of that game on your site and ask: where was the king exposed and when could you have reduced the queen/rook activity? The mate came from a coordinated queen invasion after several exchanges — a good lesson in trade timing and king sheltering.

If you like, I can annotate that game move‑by‑move and highlight three concrete turning points you can work on.

Two‑week mini plan

  • Week 1: 10 consecutive days of tactics (15m/day) + three slow games with post‑mortems.
  • Week 2: endgame focus (rook + pawn basics) + one longer training match to practice converting advantages.
  • Goal: reduce time losses and cut tactical misses in the first 20 moves — measure by comparing mistakes in next 50 blitz games.

Want targeted help now?

  • Pick one game (for example vs Kevin Davidson or juriko) and I’ll deliver a 3‑point annotated post‑mortem: turning moves, missed tactics, and a clear plan to avoid the same error.
  • Your Strength Adjusted Win Rate (~50%) shows small, consistent improvements will yield big rating gains — tighten clock play and the rest follows.

Short encouragement

Your long‑term curve is very promising. Keep the tactical practice and tighten time management — you’ll convert unstable wins into stable, repeatable wins. Ready to pick a game for deeper analysis?



🆚 Opponent Insights

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rubi2211 1W / 0L / 1D View
Most Played Opponents
honorthehawk 34W / 16L / 3D View Games
tomcat1603 27W / 16L / 7D View Games
Toomas Valgmae 15W / 30L / 4D View Games
cruz29 17W / 25L / 5D View Games
ugetting 26W / 19L / 2D View Games

Rating

Year Bullet Blitz Rapid Daily
2025 2335 2606
2024 2382 2310 2257
2023 2252 2342 2255
2022 2141 2422
2021 2119 2320
2020 2203 2221
2014 2110
Rating by Year201420202021202220232024202526062110YearRatingBulletBlitzRapid

Stats by Year

Year White Black Moves
2025 4446W / 4723L / 850D 4226W / 5024L / 790D 82.5
2024 1476W / 1522L / 286D 1386W / 1634L / 251D 81.2
2023 2109W / 2062L / 460D 2027W / 2186L / 431D 84.5
2022 1504W / 1309L / 239D 1456W / 1332L / 219D 80.1
2021 1912W / 1805L / 371D 1841W / 1893L / 369D 83.5
2020 187W / 130L / 35D 164W / 169L / 29D 79.2
2014 526W / 472L / 82D 506W / 482L / 71D 79.9

Openings: Most Played

Blitz Opening Games Wins Losses Draws Win Rate
Nimzo-Larsen Attack 5611 2550 2497 564 45.5%
Barnes Defense 5003 2249 2334 420 45.0%
Australian Defense 3293 1427 1571 295 43.3%
Amazon Attack 2154 1000 961 193 46.4%
Modern 955 440 433 82 46.1%
Caro-Kann Defense 834 355 403 76 42.6%
Colle System: Rhamphorhynchus Variation 785 343 366 76 43.7%
French Defense: Burn Variation 759 376 310 73 49.5%
Amar Gambit 732 318 350 64 43.4%
Amazon Attack: Siberian Attack 729 316 340 73 43.4%
Bullet Opening Games Wins Losses Draws Win Rate
Nimzo-Larsen Attack 5586 2577 2585 424 46.1%
Barnes Defense 3212 1399 1583 230 43.6%
Australian Defense 1907 824 935 148 43.2%
Colle System: Rhamphorhynchus Variation 977 396 519 62 40.5%
Amar Gambit 894 411 420 63 46.0%
Nimzo-Larsen Attack: Classical Variation 878 377 420 81 42.9%
Amazon Attack 636 263 330 43 41.4%
English Defense: Blumenfeld-Hiva Gambit 570 313 233 24 54.9%
Modern 514 223 256 35 43.4%
Benoni Defense: Benoni Gambit Accepted 353 160 175 18 45.3%
Rapid Opening Games Wins Losses Draws Win Rate
Amazon Attack 24 13 8 3 54.2%
Barnes Defense 23 13 7 3 56.5%
Nimzo-Larsen Attack 19 5 10 4 26.3%
Australian Defense 14 5 7 2 35.7%
Modern 14 8 5 1 57.1%
Caro-Kann Defense 9 4 2 3 44.4%
Benoni Defense: Old Benoni 9 4 4 1 44.4%
Sicilian Defense 8 5 3 0 62.5%
QGD: Chigorin, 3.cxd5 7 4 3 0 57.1%
Vienna Gambit, with Max Lange Defense 5 2 1 2 40.0%

🔥 Streaks

Streak Longest Current
Winning 20 2
Losing 12 0
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