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

R

Rusanov, Michail

RUS RUS·Born 1976·FIDE #4131878·125 Games

FIDE OTB · #4131878 · 125 Games

Classical244097 g Games

Rapid24327 g Games

Blitz221921 g Games

Play against Rusanov's Twin

PRO

Uses their openings, level & style

Practice against a bot that uses their real openings and playing style

Ready to play

125 games analyzed

Statistics

Total

125

Wins

45

Draws

47

Losses

33

36%38%26%

Deep Analysis

Stockfish 18 · Classical games · 0 analyzed

Clutch Factor

Insufficient data

Problematic Pieces — which cause most errors?

Insufficient data

Critical Moment

Insufficient data

Error Heatmap — where do errors occur?

Insufficient data

Openings

Based on player games

No clear weaknesses!

Critical Blunders

Tactical errors analyzed with Stockfish

No blunders recorded

Recent Games

125 Games

Win

Alekseev, Evgeny(2636)

Chigorin Mem Blitz 2016 · 14 Oct 2016

0-1

Win

Manin, Viktor(2153)

St.Petersburg Blitz 2014 · 7 Dec 2014

0-1

Loss

Alekseev, Evgeny(2679)

St.Petersburg Blitz 2014 · 7 Dec 2014

1-0

Win

Abuev,Roman

St.Petersburg Blitz 2014 · 7 Dec 2014

1-0

Loss

Matlakov, Maxim(2695)

St.Petersburg Blitz 2014 · 7 Dec 2014

0-1

Loss

Shimanov, Aleksandr(2591)

St.Petersburg Blitz 2014 · 7 Dec 2014

0-1

Repertoire

8

7

6

5

4

3

2

1a

b

c

d

e

f

g

h

Move arrowsmost-played moves

Starting Position

Stockfish

58 Games

38%41%21%

Move	Games	Performance	%
1.d4	33		61%
1.e4	16		53%
1.f4	3		50%
1.Nf3	2		50%
1.a3Strong	2		100%
1.b4	2		50%

MoveGamesPerformance%

1.d4

33

61%

1.e4

16

53%

1.f4

3

50%

1.Nf3

2

50%

1.a3Strong

2

100%

1.b4

2

50%

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