Scouting report: Zdenko Kozul (GM, CRO)

3,893 over-the-board games in the Chess Stalker database (3,723 classical, 110 rapid, 83 blitz): 47% wins, 32% draws, 21% losses. FIDE rating 2483 standard, 2519 rapid, 2533 blitz. 515 games analyzed with Stockfish: 94% accuracy, 0.06 blunders per game.

  • Opening repertoire of Zdenko Kozul as White and Black, with results per line — free.
  • Weaknesses and blunder patterns, evaluated with Stockfish — free.
  • Recent over-the-board games and endgame statistics.
  • Twin Bot: a sparring bot that imitates Zdenko Kozul's style so you can rehearse the matchup — free online.

Full report: https://chessstalker.com/fide/14502879 — no account needed.

Chess Stalker

Zdenko Kozul

GM

Croatiaborn 1966FIDE ID 14502879

Rating & statistics

FIDE rating lists · Sep 2023 – Sep 2026
2460
2500
2540
2580
2533 · Sep 2023
Oct
2024
Apr
Jul
Oct
2025
Apr
Jul
Oct
2026
Apr
Jul
Oct
Sep 2023Oct 2026
2533
2519
2483
2640peak, Oct 2004
3,893games
1,829wins, 47%
1,243draws, 32%
821losses, 21%

Play style

before facing them
Elite accuracy: 93.6% average
Solid conversion: 84%
Very consistent (88%)
Very precise: only 0.1 blunders/game
Dominates 1.d4 as ♔ (67% in 1723 games)

Play against Kozul's Twin

Their real openings, level & style

Based on 3,893 games

Openings

3,893 games

Weaknesses

where they slip as ♔ White

No significant weaknesses detected as white

Strengths

what holds up for them as ♔ White
Dutch: Fianchetto1.d4 f5 2.g3 ♞f625 games, last played 5 years ago72.0%wins
Benko Gambit1.d4 ♞f6 2.c4 c5 3.d5 b510 games, last played 2 years ago70.0%wins

Deep analysis

Stockfish · Classical · 515 analyzed
Accuracy by phase
Opening
96.8%
Middlegame
93.8%
Endgame
95.4%
Clutch factor
+6%
Winning (+2)
95%
Equal
95%
Losing (−2)
89%
Problematic pieces
23%
82 err
19%
69 err
18%
66 err
15%
52 err
14%
51 err
11%
38 err
Critical moment
Move 40 avg
0%
1-15
18%
16-25
29%
26-35
24%
36-45
29%
46+
29% of blunders occur after move 26-35. Keep tension until then.
Error heatmap · Critical squares
14
13
15
12
Few
Many
f4
15
d5
14
g5
13
e3
12
e4
11
f4/d5 concentrate most errors. Force decisions in those zones.

Critical blunders

10 errors
#48
a4?? vs Jovanovic
Endgame · OTB · 2026
#48
♜e2?? vs Jovanovic
Endgame · OTB · 2026
#52
♞xg3?? vs Kovacevic
Endgame · OTB · 2026
#47
♜f2?? vs Makridis
Endgame · OTB · 2025
#43
♚h2?? vs Postny
Endgame · OTB · 2025
#39
♜g5?? vs Safarli
Middlegame · Rapid · 2025

Recent games

Bouska, Jiri(2321)

Kasparov CF Open 2026 · 30 Jun 2026

½–½
Ulziikhishig Khishigbat(2319)

Kasparov CF Open 2026 · 30 Jun 2026

1–0
Suta, Andraz(2277)

Kasparov CF Open 2026 · 25 Jun 2026

½–½
Rogic, Davor(2357)

Croatian Cup 2026 · 16 May 2026

1–0
Havas, Juraj(2137)

Croatian Cup 2026 · 15 May 2026

1–0
Karlovic, Luka(2114)

Croatian Cup 2026 · 14 May 2026

1–0

Endgame statistics

Repertoire

PRO
3,893 games in scope
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
1,965 games51%W32%D17%L
Move
1. d4
17234m
51%33%16
67%
1. ♞f3
2083m
53%29%18
68%
1. c4
316y
35%48%17
60%
1. g3
210y
50%50%
75%
1. e4
110y
100%
50%

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