Hertneck, Gerald

GER GER·Born 1963·FIDE #4600088·1,588 Games

Classical24281,557 Games

Rapid24709 Games

Blitz246122 Games

Statistics

1588

Total

661

Wins

610

Draws

316

Losses

42%38%20%

Play Style

What you need to know before facing them

Elite accuracy: 93.8% average

Solid conversion: 96%

Very consistent (93%)

Very precise: only 0.0 blunders/game

Dominates 1.b3 ♔ (75% in 14 games)

Deep Analysis

Stockfish 18 · Classical games · 110 analyzed

Accuracy by phase

Opening96.1%

Middlegame93.8%

Endgame95.9%

Clutch Factor

Performance under pressure

+3%

Winning (+2 or more)94%

44 Games

Equal position95%

40 Games

Losing (-2 or more)91%

26 Games

Problematic Pieces

Which pieces cause most errors?

♙

27%

24 errors

♕

22%

20 errors

♖

17%

15 errors

♗

14%

13 errors

♔

12%

11 errors

♞

7 errors

Critical Moment

When does the first serious error occur?

Move 39average

1-15

16-25

26-35

36-45

46+

100% of blunders occur between move 36-45. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

abcdefgh

Many

Few

Critical squares

c55 err

e55 err

e85 err

f55 err

g44 err

c5/e5 concentrate most errors. Force decisions in those zones.

Recent Games

Baklan, Vladimir2542

4th Munich GM2 2026 · 21 May 2026

½-½

Swayham P Das2362

4th Munich GM2 2026 · 20 May 2026

½-½

Safin Safarullakhan2326

4th Munich GM2 2026 · 19 May 2026

½-½

Schlosser, Philipp2455

4th Munich GM2 2026 · 18 May 2026

½-½

Vaidyanathan, Kannan2298

4th Munich GM2 2026 · 17 May 2026

½-½

Besou, Hussain2409

4th Munich GM2 2026 · 17 May 2026

½-½

Openings

Based on player games

Weaknesses

EXPLOIT!

White

No significant weaknesses detected as White

Black

Slav: Semi-Slav

60.0%

15 Games·Loses

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3

Strengths

AVOID

White

King's Indian: Main Line

59.3%

27 Games·Wins

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

King's Indian: Classical

55.0%

20 Games·Wins

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5

Black

French: Advance

45.8%

24 Games·Wins

1.e4 e6 2.d4 d5 3.e5

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors

▶

#33Be2??

Tactics

vs Eichner

OTB·2025

▶

#39Kf7??

Tactics

vs Arndt

OTB·2024

▶

#83Qxh5+??

Endgame

vs Balint

OTB·2023

▶

#36Qe8??

Tactics

vs Loew

OTB·2021

▶

#24d4??

Tactics

vs Redzisz

OTB·2021

▶

#50Re5??

Endgame

vs Steiner

OTB·2019

▶

#32Qh3??

Tactics

vs Chyzy

OTB·2019

▶

#21Be8??

Tactics

vs Barp

OTB·2019

▶

#42Nxf6??

Endgame

vs Rubil

OTB·2019

▶

#25c5??

Tactics

vs Moranda

OTB·2019

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

784 Games

47%38%15%

Move	Games	%
1.d4	590	67%
1.c4	97	64%
1.Nf3	49	53%
1.e4	29	62%
1.b3 Strong	14	75%
1.g3 Strong	4	88%
1.d3 Weak	1	0%

1.d4

67%

590

1.c4

64%

1.Nf3

53%

1.e4

62%

1.b3

75%

1.g3

88%

1.d3

Hertneck, Gerald

Play against Hertneck, Gerald's Twin

Statistics

Play Style

Deep Analysis

Clutch Factor

Problematic Pieces

Critical Moment

Error Heatmap

Recent Games

Openings

Weaknesses

Slav: Semi-Slav

Strengths

King's Indian: Main Line

King's Indian: Classical

French: Advance

Critical Blunders