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

L

IM

Lisik, Valery

RUS RUS·Born 1964·FIDE #4101596·147 Games

FIDE OTB · #4101596 · 147 Games

Classical2440147 g Games

Rapid—0 g Games

Blitz—0 g Games

Play against Lisik's Twin

PRO

Uses their openings, level & style

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

Ready to play

147 games analyzed

Statistics

Total

147

Wins

58

Draws

50

Losses

39

39%34%27%

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

147 GamesBased on 147 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

aswhite63.6%Wins

King's Indian — 1.d4 Nf6 2.c4 g611 Games · last played 5 years ago

11 Games · last played 5 years ago

No consistent strengths detected as black

Critical Blunders

Tactical errors analyzed with Stockfish

No blunders recorded

Recent Games

147 Games

Loss

Elissalt Cardenas, Hector(2290)

Titled Tuesday 7th Dec · 7 Dec 2021

1-0

Loss

Manukian, Artak(2196)

Titled Tuesday 7th Dec · 7 Dec 2021

1-0

Win

Hartikainen, Jarmo(2133)

Titled Tuesday 7th Dec · 7 Dec 2021

1-0

Loss

Harris, Ian(2177)

Titled Tuesday 7th Dec · 7 Dec 2021

0-1

Win

Mayank Chakraborty(2164)

Titled Tuesday 7th Dec · 7 Dec 2021

1-0

Loss

Richterova, Natasa(2162)

Titled Tuesday 7th Dec · 7 Dec 2021

1-0

Repertoire

8

7

6

5

4

3

2

1a

b

c

d

e

f

g

h

Move arrowsmost-played moves

Starting Position

Stockfish

71 Games

45%34%21%

Move	Games	Performance	%
1.d4	71		62%

MoveGamesPerformance%

1.d4

71

62%

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