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

B

IM

Blednov, Stanislav

UKR UKR·Born 1986·FIDE #14113201·126 Games

FIDE OTB · #14113201 · 126 Games

Classical2465126 g Games

Rapid24840 g Games

Blitz24550 g Games

Play against Blednov's Twin

PRO

Uses their openings, level & style

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

Ready to play

126 games analyzed

Statistics

Total

126

Wins

45

Draws

32

Losses

49

36%25%39%

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

126 GamesBased on 126 player games

Weaknesses

— exploit these— exploit these lines

No significant weaknesses detected as white

No significant weaknesses detected as black

Strengths

— avoid these— avoid these lines

No consistent strengths detected as white

asblack58.3%Wins

Sicilian: e6 Systems — 1.e4 c5 2.Nf3 e612 Games · last played 5 years ago

12 Games · last played 5 years ago

Critical Blunders

Tactical errors analyzed with Stockfish

No blunders recorded

Recent Games

126 Games

Win

Hoffmann, Asa(2185)

Titled Tuesday 14th Sept · 14 Sept 2021

1-0

Win

Zemerov, Vladimir(2268)

Titled Tuesday 14th Sept · 14 Sept 2021

1-0

Loss

Gubanov, Oleg(2258)

Titled Tuesday 14th Sept · 14 Sept 2021

1-0

Loss

Kanyamarala, Tarun(2275)

Titled Tuesday 14th Sept · 14 Sept 2021

1-0

Loss

Senft, Sean(2122)

Titled Tuesday 14th Sept · 14 Sept 2021

1-0

Win

Pacheco Lugo, Alejandro Jose(2127)

Titled Tuesday 14th Sept · 14 Sept 2021

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

63 Games

40%21%39%

Move	Games	Performance	%
1.e4	31		39%
1.d4	17		62%
1.Nc3	12		63%
1.c4Strong	2		75%
1.Nf3Weak	1		0%

MoveGamesPerformance%

1.e4

31

39%

1.d4

17

62%

1.Nc3

12

63%

1.c4Strong

2

75%

1.Nf3Weak

1

0%

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