Chess Stalker — Free Chess Opponent Analysis

Analyze any Lichess, Chess.com or FIDE player's openings, weaknesses, blunder patterns and psychological profile. Train against a Twin Bot that replicates your opponent's style. Search by username or FIDE ID across 11 million+ games. Free to use, no signup required.

What you get

Opponent weakness analysis — opening repertoire, common blunders, time pressure patterns
Twin Bot — practice against an AI clone of your opponent's exact playing style
FIDE OTB database — 11 million+ tournament games and 1.7 million+ rated players
Stockfish-powered analysis with depth-25 evaluations
Multi-platform: Lichess, Chess.com, and FIDE in one place
Head-to-head comparison, Nemesis detection, Stalker Score

How it works

Search any Lichess, Chess.com username or FIDE player
Get instant scouting report with weaknesses and patterns
Prepare your strategy and practice against the Twin Bot

GM

Bezold, Michael

GER GER·Born 1972·FIDE #4601718·1,207 Games

Classical24691,119 Games

Rapid252757 Games

Blitz248257 Games

Statistics

1207

Total

438

Wins

527

Draws

242

Losses

36%44%20%

Play Style

What you need to know before facing them

Elite accuracy: 92.1% average

Plays 3.2% better with white

Very consistent (90%)

Very precise: only 0.1 blunders/game

Dominates 1.b3 ♔ (75% in 62 games)

Deep Analysis

Stockfish 18 · Classical games · 44 analyzed

Accuracy by phase

Opening94.1%

Middlegame92.8%

Endgame92.9%

Clutch Factor

Performance under pressure

+5%

Winning (+2 or more)94%

17 Games

Equal position94%

13 Games

Losing (-2 or more)89%

14 Games

Problematic Pieces

Which pieces cause most errors?

♞

23%

13 errors

♙

19%

11 errors

♖

18%

10 errors

♕

16%

9 errors

♗

12%

7 errors

♔

12%

7 errors

Critical Moment

When does the first serious error occur?

Move 59average

1-15

16-25

26-35

36-45

46+

50% of blunders occur between move 46+. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

2

2

2

3

2

2

2

5

2

3

abcdefgh

Many

Few

Critical squares

b25 err

c13 err

c63 err

b52 err

b62 err

b2/c1 concentrate most errors. Force decisions in those zones.

Recent Games

W

Amartuvshin, Ganzorig2392

FIDE World Rapid and Blit... · 31 Dec 2024

1-0

W

Rosen, Eric2377

FIDE World Rapid and Blit... · 31 Dec 2024

0-1

D

Kostolansky, Sebastian Lukas2421

FIDE World Rapid and Blit... · 31 Dec 2024

½-½

D

Gretarsson, Helgi Ass2418

FIDE World Rapid and Blit... · 31 Dec 2024

½-½

W

Larrea, Manuel2259

FIDE World Rapid and Blit... · 31 Dec 2024

1-0

W

Makoto, Rodwell2334

FIDE World Rapid and Blit... · 30 Dec 2024

0-1

Openings

Based on player games

Weaknesses

EXPLOIT!

White

No significant weaknesses detected as White

Black

No significant weaknesses detected as Black

Strengths

AVOID

White

1.b3 e5 2.Bb2 Nc6

85.7%

14 Games·Wins

1.b3 e5 2.Bb2 Nc6

English: Anglo-Indian

75.0%

12 Games·Wins

1.c4 Nf6 2.g3 g6

Black

No consistent strengths detected as Black

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors

▶

#29Nxd6??

Tactics

vs Amartuvshin

Blitz·2024

▶

#58Rxc5??

Endgame

vs Larrea

Blitz·2024

▶

#61g3??

Endgame

vs Druska

Blitz·2024

▶

#48Be4??

Endgame

vs Hungaski

Blitz·2024

▶

#30Qh7+??

Tactics

vs Blohberger

Blitz·2024

▶

#28Bc8??

Tactics

vs Theodorou

OTB·2023

▶

#85Rc3??

Endgame

vs Roebers

OTB·2023

▶

#24Kh8??

Tactics

vs Krivoborodov

OTB·2022

▶

#41Qf2??

Endgame

vs Urkedal

OTB·2020

▶

#75b2??

Endgame

vs Niemann

OTB·2020

Endgame Statistics

19 endgame categories analyzed — discover where they collapse under pressure

Repertoire

☰ All

♟ Classical

⚡ Rapid

🔥 Blitz

PRO

·

2024

2023

2022

2020

2019

2018

PRO

8

7

6

5

4

3

2

1a

b

c

d

e

f

g

h

Starting Position

604 Games

38%47%15%

Move	Games	Performance	%
1.c4	209		60%
1.d4	110		60%
1.e4	90		62%
1.g3	88		60%
1.b3 Strong	62		75%
1.Nf3	34		56%
1.f4	8		50%
1.Nc3	1		50%
1.g4	1		50%
1.d3	1		50%

1.c4

60%

209

1.d4

60%

110

1.e4

62%

90

1.g3

60%

88

1.b3

75%

62

1.Nf3

56%

34

1.f4

50%

8

1.Nc3

50%

1

1.g4

50%

1

1.d3

50%

1

🍪 Cookies · Chess Stalker uses technical cookies (required for operation) and analytical cookies (to improve the service). Analytical cookies are optional.