Krejci, Jan

CZE CZE·Born 1992·FIDE #322156·1,638 Games

Classical24951,597 Games

Rapid247911 Games

Blitz241630 Games

Statistics

1638

Total

677

Wins

618

Draws

342

Losses

41%38%21%

Play Style

What you need to know before facing them

Elite accuracy: 93.0% average

Solid conversion: 82%

Very consistent (92%)

Very precise: only 0.1 blunders/game

Dominates 1.c4 ♔ (69% in 74 games)

Deep Analysis

Stockfish 18 · Classical games · 97 analyzed

Accuracy by phase

Opening96.3%

Middlegame93.5%

Endgame94.8%

Clutch Factor

Performance under pressure

+4%

Winning (+2 or more)94%

32 Games

Equal position94%

38 Games

Losing (-2 or more)90%

27 Games

Problematic Pieces

Which pieces cause most errors?

♕

26%

23 errors

♖

23%

20 errors

♙

16%

14 errors

♞

14%

12 errors

♗

12%

11 errors

♔

8 errors

Critical Moment

When does the first serious error occur?

Move 56average

1-15

16-25

26-35

36-45

46+

80% of blunders occur between move 46+. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

abcdefgh

Many

Few

Critical squares

e35 err

h45 err

a44 err

b54 err

d74 err

e3/h4 concentrate most errors. Force decisions in those zones.

Recent Games

Movsesian, Sergei2600

TCh-CZE Extraliga 2025-26 · 29 Mar 2026

½-½

Rubes, Jan2427

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

½-½

Zpevak, Pavel2259

TCh-CZE 1 Liga Vychod · 22 Mar 2026

½-½

Kjartansson, Gudmundur2416

SBL München · 1 Mar 2026

0-1

Koellner, Ruben Gideon2514

SBL München · 28 Feb 2026

½-½

Kempinski, Robert2535

šachy.cz Extraliga 2025-2... · 22 Feb 2026

1-0

Openings

Based on player games

Weaknesses

EXPLOIT!

White

Italian: Two Knights

66.7%

9 GamesLow sample·Loses

1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6

Sicilian: Kan

58.3%

12 Games·Loses

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6

Black

No significant weaknesses detected as Black

Strengths

AVOID

White

Nimzo-Indian: Classical

64.3%

14 Games·Wins

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2

Queen's Gambit Declined

56.3%

16 Games·Wins

1.d4 d5 2.c4 e6

Black

Catalan

60.0%

15 Games·Wins

1.d4 Nf6 2.c4 e6 3.g3

Ruy Lopez: Morphy

45.2%

84 Games·Wins

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

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors

▶

#37Re8??

Tactics

vs Pechac

OTB·2026

▶

#52Rd2??

Endgame

vs Nguyen

OTB·2025

▶

#29Nce7??

Tactics

vs Vykouk

OTB·2025

▶

#21Rfd8??

Tactics

vs Glimbrant

OTB·2025

▶

#22Qd5??

Tactics

vs Bazantova

OTB·2025

▶

#35Qc5??

Tactics

vs Delgerdalai

OTB·2025

▶

#63Kb4??

Endgame

vs Vrolijk

OTB·2025

▶

#91Kf1??

Endgame

vs Navara

OTB·2025

▶

#55a4??

Endgame

vs Boleslav

OTB·2024

▶

#45Rf8??

Endgame

vs Heller

OTB·2024

Endgame Statistics

22 endgame categories analyzed — discover where they collapse under pressure

Repertoire

☰ All

♟ Classical

⚡ Rapid

🔥 Blitz

PRO

2026

2025

2024

2023

2022

2021

PRO

Starting Position

828 Games

45%37%18%

Move	Games	%
1.d4	288	67%
1.e4	263	60%
1.Nf3	196	59%
1.c4	74	69%
1.g3 Strong	3	83%
1.f4 Strong	2	100%
1.b4 Strong	1	100%
1.b3 Strong	1	100%

1.d4

67%

288

1.e4

60%

263

1.Nf3

59%

196

1.c4

69%

1.g3

83%

1.f4

100%

1.b4

100%

1.b3

100%

Krejci, Jan

Play against Krejci, Jan's Twin

Statistics

Play Style

Deep Analysis

Clutch Factor

Problematic Pieces

Critical Moment

Error Heatmap

Recent Games

Openings

Weaknesses

Italian: Two Knights

Sicilian: Kan

Strengths

Nimzo-Indian: Classical

Queen's Gambit Declined

Catalan

Ruy Lopez: Morphy

Critical Blunders