IM

Slaby, Jerzy

POL POL·Born 1983·FIDE #1121405·615 Games

Classical2464602 Games

Rapid244613 Games

Blitz24390 Games

Statistics

615

Total

280

Wins

145

Draws

190

Losses

46%24%31%

Play Style

What you need to know before facing them

Elite accuracy: 90.0% average

Plays 8.0% better with black

Very precise: only 0.1 blunders/game

Dominates 1.c4 ♔ (77% in 11 games)

Deep Analysis

Stockfish 18 · Classical games · 11 analyzed

Accuracy by phase

Opening95.1%

Middlegame92.1%

Endgame94.1%

Clutch Factor

Performance under pressure

+5%

Winning (+2 or more)93%

5 Games

Equal position86%

5 Games

Losing (-2 or more)89%

1 Games

Problematic Pieces

Which pieces cause most errors?

♞

44%

4 errors

♙

22%

2 errors

♖

22%

2 errors

♔

11%

1 errors

♗

0%

0 errors

♕

0%

0 errors

Critical Moment

When does the first serious error occur?

Move 18average

1-15

16-25

26-35

36-45

46+

100% of blunders occur between move 16-25. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

1

1

1

1

1

1

1

2

abcdefgh

Many

Few

Critical squares

f12 err

a51 err

b11 err

d31 err

e61 err

f1/a5 concentrate most errors. Force decisions in those zones.

Recent Games

L

Durarbayli, Vasif2612

Titled Tue 18th Mar Early · 18 Mar 2025

0-1

L

Le, Quang Liem2739

Titled Tue 18th Mar Early · 18 Mar 2025

1-0

W

Manukian, Artak2104

Titled Tue 18th Mar Early · 18 Mar 2025

0-1

L

Eljanov, Pavel2666

Titled Tue 18th Mar Early · 18 Mar 2025

0-1

W

Vasilenok, Anton2137

Titled Tue 18th Mar Early · 18 Mar 2025

1-0

W

Shinkarev,M2118

Titled Tue 18th Mar Early · 18 Mar 2025

0-1

Openings

Based on player games

Weaknesses

EXPLOIT!

White

French: Classical

62.5%

8 GamesLow sample·Loses

1.e4 e6 2.d4 d5 3.Nc3 Nf6

Black

Slav Defense

61.5%

13 Games·Loses

1.d4 d5 2.c4 c6

Strengths

AVOID

White

Ruy Lopez: Morphy

65.2%

23 Games·Wins

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

Sicilian: e6 Systems

58.3%

24 Games·Wins

1.e4 c5 2.Nf3 e6

Black

Caro-Kann: Exchange

50.0%

14 Games·Wins

1.e4 c6 2.d4 d5 3.exd5

Critical Blunders

Tactical errors analyzed with Stockfish

4 errors

▶

#33Rf2??

Tactics

vs McLachlan

Rapid·2025

▶

#34Rxc8??

Tactics

vs Verbytski

Rapid·2025

▶

#21Qa1+??

Tactics

vs Liu

Rapid·2025

▶

#18Kf1??

Tactics

vs Henry Li

OTB·2024

Endgame Statistics

13 endgame categories analyzed — discover where they collapse under pressure

Repertoire

☰ All

♟ Classical

⚡ Rapid

🔥 Blitz

PRO

·

2025

2024

2023

2022

2013

2012

PRO

8

7

6

5

4

3

2

1a

b

c

d

e

f

g

h

Starting Position

305 Games

50%20%30%

Move	Games	Performance	%
1.e4	238		59%
1.Nf3	34		57%
1.d4 Strong	17		74%
1.c4 Strong	11		77%
1.g3 Strong	5		90%

1.e4

59%

238

1.Nf3

57%

34

1.d4

74%

17

1.c4

77%

11

1.g3

90%

5

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