GM

Bromberger, Stefan

GER GER·Born 1982·FIDE #4635248·1,209 Games

Classical24751,208 Games
Rapid25110 Games
Blitz—1 Games

Statistics

1209

Total

480

Wins

474

Draws

255

Losses

40%39%21%

Play Style

What you need to know before facing them

Elite accuracy: 93.8% average
Plays 2.2% better with black
Solid conversion: 84%
Very consistent (91%)
Very precise: only 0.0 blunders/game
Dominates 1.e4 ♔ (65% in 300 games)

Deep Analysis

Stockfish 18 · Classical games · 58 analyzed

Accuracy by phase
Opening96.5%
Middlegame93.9%
Endgame95.6%

Clutch Factor

Performance under pressure

+5%
Winning (+2 or more)94%
16 Games
Equal position96%
31 Games
Losing (-2 or more)89%
11 Games

Problematic Pieces

Which pieces cause most errors?

♗
29%
12 errors
♖
24%
10 errors
♙
19%
8 errors
♕
14%
6 errors
♔
7%
3 errors
♞
7%
3 errors

Critical Moment

When does the first serious error occur?

Move 28average
1-15
16-25
26-35
36-45
46+
100% of blunders occur between move 26-35. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

2
3
2
2
2
3
2
2
1
1
abcdefgh
Many
Few
Critical squares
c53 err
d63 err
a42 err
a52 err
e62 err
c5/d6 concentrate most errors. Force decisions in those zones.

Recent Games

L
Schmidek, Emil2431

Schachbundesliga 2025/202... · 21 Mar 2026

0-1
L
Nasuta, Grzegorz2486

SBL München · 1 Mar 2026

0-1
D
Wojtaszek, Radoslaw2669

SBL München · 28 Feb 2026

½-½
L
Bogosavljevic, Boban2465

German Bundesliga 2025-26 · 11 Jan 2026

1-0
W
Subelj, Jan2545

German Bundesliga 2025-26 · 10 Jan 2026

1-0
L
Kryvoruchko, Yuriy2618

German Bundesliga 2025-26 · 7 Dec 2025

1-0

Openings

Based on player games

Weaknesses

EXPLOIT!
White

No significant weaknesses detected as White

Black
King's Indian: Classical
57.1%
14 Games·Loses

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

Strengths

AVOID
White
King's Indian: Main Line
60.0%
15 Games·Wins

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

Sicilian: Dragon
60.0%
10 Games·Wins

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6

Black
Sicilian: Najdorf
49.2%
63 Games·Wins

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6

Critical Blunders

Tactical errors analyzed with Stockfish

5 errors
▶
#41Bxc3??
Endgame
vs Froewis
OTB·2025
▶
#27Bxc5??
Tactics
vs Stankovic
OTB·2023
▶
#58Kc2??
Endgame
vs Rozentalis
OTB·2022
▶
#15Rxe6+??
Tactics
vs Romanov
OTB·2022
▶
#29Nxc5??
Tactics
vs Womacka
OTB·2019
Endgame Statistics

18 endgame categories analyzed — discover where they collapse under pressure

Repertoire
☰ All
♟ Classical
⚡ Rapid
🔥 Blitz
PRO
·
2026
2025
2024
2023
2022
2020
PRO
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
Starting Position
614 Games
46%36%18%
1.e4
65%
300
1.d4
63%
265
1.Nf3
65%
47
1.c4
50%
2
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