Zilka, Stepan

CZE CZE·Born 1988·FIDE #315303·1,437 Games

Classical25121,244 Games

Rapid242683 Games

Blitz2425110 Games

Statistics

1437

Total

617

Wins

554

Draws

264

Losses

43%39%18%

Play Style

What you need to know before facing them

Elite accuracy: 94.4% average

High resilience (59%): Dangerous even when losing

Solid conversion: 87%

Very consistent (92%)

Very precise: only 0.0 blunders/game

Dominates 1.c4 ♔ (71% in 19 games)

Deep Analysis

Stockfish 18 · Classical games · 317 analyzed

Accuracy by phase

Opening96.9%

Middlegame93.9%

Endgame95.3%

Clutch Factor

Performance under pressure

+4%

Winning (+2 or more)95%

130 Games

Equal position95%

142 Games

Losing (-2 or more)91%

45 Games

Problematic Pieces

Which pieces cause most errors?

♙

21%

39 errors

♖

20%

38 errors

♗

18%

34 errors

♕

18%

35 errors

♔

12%

22 errors

♞

12%

22 errors

Critical Moment

When does the first serious error occur?

Move 45average

1-15

16-25

26-35

36-45

46+

50% of blunders occur between move 26-35. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

abcdefgh

Many

Few

Critical squares

e28 err

c57 err

e47 err

e57 err

h67 err

e2/c5 concentrate most errors. Force decisions in those zones.

Recent Games

Mikes, Jan2381

TCh-CZE Extraliga 2025-26 · 29 Mar 2026

1-0

Horak, Martin2353

Å¡achy.cz Extraliga 2025-... · 28 Mar 2026

1-0

Cifka, Stanislav2420

Round 9: Cifka, Stanislav... · 27 Mar 2026

½-½

Kobalia, Mikhail2538

German Bundesliga 2025-26 · 22 Mar 2026

½-½

L'Ami, Erwin2598

Schachbundesliga 2025/26 · 21 Mar 2026

½-½

Shengelia, David2497

SBL München · 1 Mar 2026

1-0

Openings

Based on player games

Weaknesses

EXPLOIT!

White

No significant weaknesses detected as White

Black

No significant weaknesses detected as Black

Strengths

AVOID

White

Italian: Giuoco Piano

80.0%

10 Games·Wins

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5

Caro-Kann

63.2%

19 Games·Wins

1.e4 c6 2.Nf3 d5

Black

Sicilian: e6 Systems

71.4%

14 Games·Wins

1.e4 c5 2.Nf3 e6

Ruy Lopez: Exchange

60.0%

10 Games·Wins

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors

▶

#35Rc8??

Tactics

vs Rubes

Blitz·2025

▶

#39Kh7??

Tactics

vs Pulpan

Blitz·2025

▶

#28Qf4??

Tactics

vs Brozka

Blitz·2025

▶

#21Qe8??

Tactics

vs Dragnev

OTB·2025

▶

#29Bxf8??

Tactics

vs Bouska

OTB·2025

▶

#27Ra6??

Tactics

vs Vykouk

Rapid·2025

▶

#35Nc5??

Tactics

vs Finek

OTB·2025

▶

#38Rg4??

Tactics

vs Beerdsen

OTB·2025

▶

#29Bxf2+??

Tactics

vs Toczek

OTB·2024

▶

#33h6??

Tactics

vs Kempinski

OTB·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

Starting Position

730 Games

48%36%16%

Move	Games	%
1.e4	355	66%
1.d4	328	67%
1.Nf3	24	52%
1.c4 Strong	19	71%
1.c3	2	50%
1.b3	2	50%

1.e4

66%

355

1.d4

67%

328

1.Nf3

52%

1.c4

71%

1.c3

50%

1.b3

50%

Zilka, Stepan

Play against Zilka, Stepan's Twin

Statistics

Play Style

Deep Analysis

Clutch Factor

Problematic Pieces

Critical Moment

Error Heatmap

Recent Games

Openings

Weaknesses

Strengths

Italian: Giuoco Piano

Caro-Kann

Sicilian: e6 Systems

Ruy Lopez: Exchange

Critical Blunders