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

Belov, Vladimir

FID FID·Born 1984·FIDE #4132394·577 Games

Classical2598495 Games

Rapid251040 Games

Blitz249042 Games

Statistics

577

Total

224

Wins

200

Draws

153

Losses

39%35%27%

Deep Analysis

Stockfish 18 · Classical games · 0 analyzed

Clutch Factor

Performance under pressure

Insufficient data

Problematic Pieces

Which pieces cause most errors?

Insufficient data

Critical Moment

When does the first serious error occur?

Insufficient data

Error Heatmap

Where do most errors occur?

Insufficient data

Recent Games

W

Lawson, Eric2371

Titled Tue 25th Oct Early · 25 Oct 2022

0-1

L

Volkov, Maksim2357

Titled Tue 25th Oct Early · 25 Oct 2022

0-1

L

Manelyuk, Daniil2309

Titled Tue 25th Oct Early · 25 Oct 2022

0-1

W

Taboas Rodriguez, Daniel2359

Titled Tue 25th Oct Early · 25 Oct 2022

1-0

W

Stepanencu, Nicodim-Cosmin2285

Titled Tue 25th Oct Early · 25 Oct 2022

1-0

L

Madaminov, Mukhiddin2441

Titled Tue 25th Oct Early · 25 Oct 2022

0-1

Openings

Based on player games

Weaknesses

EXPLOIT!

White

Grünfeld

50.0%

12 Games·Loses

1.d4 Nf6 2.c4 g6 3.Nc3 d5

Sicilian: Najdorf

50.0%

10 Games·Loses

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

Black

No significant weaknesses detected as Black

Strengths

AVOID

White

Ruy Lopez: Closed

63.6%

11 Games·Wins

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7

Black

No consistent strengths detected as Black

Critical Blunders

Tactical errors analyzed with Stockfish

1 errors

▶

#24Qb2??

Tactics

vs Kramnik

Blitz·2015

Repertoire

☰ All

♟ Classical

⚡ Rapid

🔥 Blitz

PRO

·

2022

2019

2018

2015

2014

2013

PRO

8

7

6

5

4

3

2

1a

b

c

d

e

f

g

h

Starting Position

282 Games

43%30%27%

Move	Games	Performance	%
1.e4	167		59%
1.d4	97		58%
1.Nf3	9		33%
1.g3	4		50%
1.c4	4		50%
1.c3 Strong	1		100%

1.e4

59%

167

1.d4

58%

97

1.Nf3

33%

9

1.g3

50%

4

1.c4

50%

4

1.c3

100%

1

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