Kaczmarczyk, Dennis

GER GER·Born 1991·FIDE #24608297·394 Games

Classical2452394 Games

Rapid—0 Games

Blitz—0 Games

Statistics

394

Total

176

Wins

121

Draws

Losses

45%31%25%

Play Style

What you need to know before facing them

Elite accuracy: 95.0% average

Solid conversion: 100%

Very consistent (91%)

Very precise: only 0.0 blunders/game

Dominates 1.c4 ♚ (68% in 11 games)

Vulnerable to 1.Nf3 ♔ (only 41%)

Deep Analysis

Stockfish 18 · Classical games · 36 analyzed

Accuracy by phase

Opening96.0%

Middlegame95.1%

Endgame96.9%

Clutch Factor

Performance under pressure

+8%

Winning (+2 or more)96%

17 Games

Equal position96%

14 Games

Losing (-2 or more)89%

5 Games

Problematic Pieces

Which pieces cause most errors?

♖

46%

6 errors

♞

23%

3 errors

♙

15%

2 errors

♕

15%

2 errors

♗

0 errors

♔

0 errors

Critical Moment

When does the first serious error occur?

Move 30average

1-15

16-25

26-35

36-45

46+

Error Heatmap

Where do most errors occur?

abcdefgh

Many

Few

Critical squares

b32 err

d52 err

f32 err

b41 err

b61 err

b3/d5 concentrate most errors. Force decisions in those zones.

Recent Games

Knoedler, Dieter, Dr.2264

TCh-SUI 2026 · 19 Apr 2026

½-½

Asllani, Dorian2257

Swiss National League A 2... · 17 Mar 2026

0-1

Asllani, Dorian2230

TCh-SUI 2026 · 15 Mar 2026

0-1

Tarhan, Adar2432

Round 6: Kaczmarczyk, Den... · 24 Oct 2025

0-1

Rozen, Eytan2510

Round 5: Rozen, Eytan - K... · 23 Oct 2025

1-0

Blomqvist, Erik2478

Round 3: Kaczmarczyk, Den... · 21 Oct 2025

0-1

Openings

Based on player games

Weaknesses

EXPLOIT!

White

No significant weaknesses detected as White

Black

King's Indian

55.6%

9 GamesLow sample·Loses

1.d4 Nf6 2.c4 g6

Strengths

AVOID

White

Queen's Gambit Declined

75.0%

16 Games·Wins

1.d4 d5 2.c4 e6

King's Indian

61.5%

13 Games·Wins

1.d4 Nf6 2.c4 g6

Black

French: Winawer

50.0%

12 Games·Wins

1.e4 e6 2.d4 d5 3.Nc3 Bb4

Queen's Gambit Declined

45.5%

11 Games·Wins

1.d4 d5 2.c4 e6

Critical Blunders

Tactical errors analyzed with Stockfish

No blunders recorded

Endgame Statistics

18 endgame categories analyzed — discover where they collapse under pressure

Repertoire

☰ All

♟ Classical

⚡ Rapid

🔥 Blitz

PRO

2026

2025

2024

2023

2022

2021

PRO

Starting Position

211 Games

46%30%24%

Move	Games	%
1.d4	143	65%
1.c4	29	57%
1.e4	27	54%
1.Nf3	11	41%
1.b3	1	50%

1.d4

65%

143

1.c4

57%

1.e4

54%

1.Nf3

41%

1.b3

50%

Kaczmarczyk, Dennis

Play against Kaczmarczyk, Dennis's Twin

Statistics

Play Style

Deep Analysis

Clutch Factor

Problematic Pieces

Critical Moment

Error Heatmap

Recent Games

Openings

Weaknesses

King's Indian

Strengths

Queen's Gambit Declined

King's Indian

French: Winawer

Queen's Gambit Declined

Critical Blunders