GM

Kozul, Zdenko

CRO CRO·Born 1966·FIDE #14502879·4,209 Games

Classical24974,015 Games
Rapid2518131 Games
Blitz253396 Games

Statistics

4209

Total

1973

Wins

1355

Draws

881

Losses

47%32%21%

Play Style

What you need to know before facing them

Elite accuracy: 93.6% average
Very consistent (88%)
Very precise: only 0.1 blunders/game
Dominates 1.Nf3 ♔ (68% in 227 games)

Deep Analysis

Stockfish 18 · Classical games · 509 analyzed

Accuracy by phase
Opening96.8%
Middlegame93.8%
Endgame95.4%

Clutch Factor

Performance under pressure

+6%
Winning (+2 or more)95%
203 Games
Equal position95%
178 Games
Losing (-2 or more)89%
119 Games

Problematic Pieces

Which pieces cause most errors?

♖
23%
84 errors
♙
19%
71 errors
♕
19%
72 errors
♔
14%
51 errors
♞
14%
54 errors
♗
11%
41 errors

Critical Moment

When does the first serious error occur?

Move 40average
1-15
16-25
26-35
36-45
46+
33% of blunders occur between move 46+. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

10
10
14
14
9
14
16
10
10
12
abcdefgh
Many
Few
Critical squares
f416 err
d514 err
e414 err
g514 err
e312 err
f4/d5 concentrate most errors. Force decisions in those zones.

Recent Games

W
Rogic, Davor2357

Croatian Cup 2026 · 16 May 2026

0-1
W
Havas, Juraj2137

Croatian Cup 2026 · 15 May 2026

0-1
W
Karlovic, Luka2114

Croatian Cup 2026 · 14 May 2026

0-1
W
Terzic, Tomislav1873

Croatian Cup 2026 · 13 May 2026

1-0
L
Schneider, Ilja2417

German Bundesliga 2025-26 · 22 Mar 2026

0-1
W
Wong, Gengchun2229

Schachbundesliga 2025/202... · 21 Mar 2026

0-1

Openings

Based on player games

Weaknesses

EXPLOIT!
White

No significant weaknesses detected as White

Black

No significant weaknesses detected as Black

Strengths

AVOID
White
King's Indian: Main Line
68.9%
45 Games·Wins

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O

Reti vs King's Indian
66.7%
12 Games·Wins

1.Nf3 Nf6 2.c4 g6

Black
Sicilian: e6 Systems
53.2%
47 Games·Wins

1.e4 c5 2.Nf3 e6

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors
▶
#48Re2??
Endgame
vs Jovanovic
OTB·2026
▶
#48a4??
Endgame
vs Jovanovic
OTB·2026
▶
#52Nxg3??
Endgame
vs Kovacevic
OTB·2026
▶
#47Rf2??
Endgame
vs Makridis
Blitz·2025
▶
#43Kh2??
Endgame
vs Postny
OTB·2025
▶
#39Rg5??
Tactics
vs Safarli
Rapid·2025
▶
#22Nbd7??
Tactics
vs Koellner
Blitz·2025
▶
#30Ng4??
Tactics
vs Roseneck
OTB·2025
▶
#53Be6??
Endgame
vs Mazur
OTB·2024
▶
#19Bg7??
Tactics
vs Stanojoski
Blitz·2024
Endgame Statistics

23 endgame categories analyzed — discover where they collapse under pressure

Repertoire
☰ All
♟ Classical
⚡ Rapid
🔥 Blitz
PRO
·
2026
2025
2024
2023
2022
2021
PRO
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
Starting Position
2134 Games
51%33%16%
1.d4
67%
1870
1.Nf3
68%
227
1.c4
58%
33
1.g3
83%
3
1.e4
50%
1
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