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

M

GM

Makarov, Marat

RUS RUS·Born 1963·FIDE #4101103·791 Games

FIDE OTB · #4101103 · 791 Games

Classical2505741 g Games

Rapid242232 g Games

Blitz241918 g Games

Play against Makarov's Twin

PRO

Uses their openings, level & style

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

Ready to play

791 games analyzed

Statistics

Total

791

Wins

254

Draws

412

Losses

125

32%52%16%

Play Style

before facing themWhat you need to know before facing them

Elite accuracy: 96.3% average

Very consistent (98%)

Very precise: only 0.0 blunders/game

Dominates 1.Nf3 ♔ (68% in 231 games)

Deep Analysis

Stockfish 18 · Classical games · 5 analyzed

Accuracy by phase

Opening

97.0%

Middlegame

96.4%

Endgame

96.8%

Clutch Factor

+11%

Winning (+2)Winning (+2)

96%1g

EqualEqual position

97%4g

Losing (−2)Losing (−2)

85%0g

Accuracy under pressure

Problematic Pieces — which cause most errors?

0%

0 err

0%

0 err

0%

0 err

0%

0 err

0%

0 err

0%

0 err

Critical Moment

Move 30 avg

0%

1-15

0%

16-25

0%

26-35

0%

36-45

0%

46+

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

791 Games

W

Teterev, Vitaly(2486)

World Blitz 2018 · 30 Dec 2018

0-1

L

Zvjaginsev, Vadim(2642)

World Blitz 2018 · 30 Dec 2018

1-0

D

Piorun, Kacper(2634)

World Blitz 2018 · 30 Dec 2018

½-½

L

Pershin, Denis(2400)

World Blitz 2018 · 30 Dec 2018

1-0

D

Sharma, Dinesh K.(2295)

World Blitz 2018 · 30 Dec 2018

½-½

W

Al Turky, Fahad A(1836)

World Blitz 2018 · 30 Dec 2018

1-0

Endgame Statistics

PRO3 endgames (75%)

Unlock Endgame Statistics

5 endgame categories analyzed — discover where they collapse under pressure

Repertoire

8

7

6

5

4

3

2

1a

b

c

d

e

f

g

h

Move arrowsmost-played moves

Starting Position

Stockfish

405 Games

37%52%11%

Move	Games	Performance	%
1.Nf3	231		68%
1.d4	85		59%
1.c4	53		53%
1.e4	29		59%
1.g3	7		50%

MoveGamesPerformance%

1.Nf3

231

68%

1.d4

85

59%

1.c4

53

53%

1.e4

29

59%

1.g3

7

50%

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