Scouting report: Gerald Hertneck (GM, GER)

1,544 over-the-board games in the Chess Stalker database (1,513 classical, 9 rapid, 22 blitz): 42% wins, 38% draws, 20% losses. FIDE rating 2404 standard, 2470 rapid, 2461 blitz. 111 games analyzed with Stockfish: 94% accuracy, 0.01 blunders per game.

  • Opening repertoire of Gerald Hertneck as White and Black, with results per line — free.
  • Weaknesses and blunder patterns, evaluated with Stockfish — free.
  • Recent over-the-board games and endgame statistics.
  • Twin Bot: a sparring bot that imitates Gerald Hertneck's style so you can rehearse the matchup — free online.

Full report: https://chessstalker.com/fide/4600088 — no account needed.

Gerald Hertneck

GM

Germanyborn 1963FIDE ID 4600088

Rating & statistics

FIDE rating lists · Sep 2023 – Sep 2026
2380
2420
2460
2500
2441 · Sep 2023
Oct
2024
Apr
Jul
Oct
2025
Apr
Jul
Oct
2026
Apr
Jul
Oct
Sep 2023Oct 2026
2470
2461
2404
2576peak, Apr 2001
1,544games
648wins, 42%
591draws, 38%
304losses, 20%

Play style

before facing them
Elite accuracy: 93.8% average
Solid conversion: 93%
Very consistent (93%)
Very precise: only 0.0 blunders/game
Dominates 1.d4 as ♔ (67% in 578 games)

Play against Hertneck's Twin

Their real openings, level & style

Based on 1,544 games

Openings

1,544 games

Weaknesses

where they slip as ♔ White

No significant weaknesses detected as white

Strengths

what holds up for them as ♔ White
Bogo-Indian1.d4 f6 2.c4 e6 3.f3 b4+13 games, last played last year61.5%wins
King's Indian: Main Line1.d4 f6 2.c4 g6 3.c3 g7 4.e4 d6 5.f3 O-O26 games, last played 4 years ago57.7%wins

Deep analysis

Stockfish · Classical · 111 analyzed
Accuracy by phase
Opening
96.2%
Middlegame
93.9%
Endgame
95.8%
Clutch factor
+3%
Winning (+2)
94%
Equal
95%
Losing (−2)
91%
Problematic pieces
26%
24 err
22%
20 err
16%
15 err
14%
13 err
13%
12 err
8%
7 err
Critical moment
Move 39 avg
0%
1-15
0%
16-25
0%
26-35
100%
36-45
0%
46+
100% of blunders occur after move 36-45. Keep tension until then.
Error heatmap · Critical squares
5
5
5
5
4
Few
Many
c5
5
e5
5
e8
5
f5
5
g4
4
c5/e5 concentrate most errors. Force decisions in those zones.

Critical blunders

10 errors
#33
e2?? vs Eichner
Middlegame · OTB · 2025
#39
f7?? vs Arndt
Endgame · OTB · 2024
#83
xh5+?? vs Balint
Endgame · OTB · 2023
#36
e8?? vs Loew
Endgame · OTB · 2021
#24
d4?? vs Redzisz
Middlegame · OTB · 2021
#50
e5?? vs Steiner
Endgame · OTB · 2019

Recent games

Baklan, Vladimir(2542)

4th Munich GM2 2026 · 21 May 2026

½–½
Swayham P Das(2362)

4th Munich GM2 2026 · 20 May 2026

½–½
Safin Safarullakhan(2326)

4th Munich GM2 2026 · 19 May 2026

½–½
Schlosser, Philipp(2455)

4th Munich GM2 2026 · 18 May 2026

½–½
Vaidyanathan, Kannan(2298)

4th Munich GM2 2026 · 17 May 2026

½–½
Besou, Hussain(2409)

4th Munich GM2 2026 · 17 May 2026

½–½

Endgame statistics

Repertoire

PRO
1,544 games in scope
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
769 games47%W38%D15%L
Move
1. d4
5794m
48%38%14
67%
1. c4
9611y
47%34%19
64%
1. f3
474m
32%45%23
54%
1. e4
293y
45%34%21
62%
1. b3
1411y
57%36%
75%
1. g3
314y
67%33%
83%
1. d3
1Jan 1988
100%
0%

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