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

Smirnov, Pavel

RUS RUS·Born 1982·FIDE #4123425·551 Games

Classical2460519 Games

Rapid241526 Games

Blitz24366 Games

Statistics

551

Total

277

Wins

167

Draws

107

Losses

50%30%19%

Play Style

What you need to know before facing them

Elite accuracy: 94.3% average

Plays 4.5% better with white

Very consistent (93%)

Very precise: only 0.0 blunders/game

Dominates 1.d4 ♔ (77% in 77 games)

Deep Analysis

Stockfish 18 · Classical games · 4 analyzed

Accuracy by phase

Opening97.7%

Middlegame93.6%

Endgame94.7%

Clutch Factor

Performance under pressure

-7%

Winning (+2 or more)85%

0 Games

Equal position95%

2 Games

Losing (-2 or more)92%

2 Games

Problematic Pieces

Which pieces cause most errors?

♞

67%

2 errors

♙

33%

1 errors

♗

0%

0 errors

♔

0%

0 errors

♕

0%

0 errors

♖

0%

0 errors

Critical Moment

When does the first serious error occur?

Move 30average

1-15

16-25

26-35

36-45

46+

Error Heatmap

Where do most errors occur?

1

1

1

abcdefgh

Many

Few

Critical squares

b21 err

b61 err

c41 err

b2/b6 concentrate most errors. Force decisions in those zones.

Recent Games

D

Vallejo Pons, Francisco2706

Aimchess Rapid Play-In | ... · 12 Jun 2023

½-½

D

Xiong, Jeffery2692

Aimchess Rapid Play-In | ... · 12 Jun 2023

½-½

D

Xiong, Jeffery2692

Aimchess Rapid Play-In | ... · 12 Jun 2023

½-½

W

Nepomniachtchi, Ian2779

Aimchess Rapid Play-In | ... · 12 Jun 2023

0-1

W

Vazquez, Guillermo2575

Aimchess Rapid Play-In | ... · 12 Jun 2023

1-0

D

Sarana, Alexey2685

Aimchess Rapid Play-In | ... · 12 Jun 2023

½-½

Openings

Based on player games

Weaknesses

EXPLOIT!

White

No significant weaknesses detected as White

Black

No significant weaknesses detected as Black

Strengths

AVOID

White

King's Indian

64.3%

14 Games·Wins

1.d4 Nf6 2.c4 g6

Sicilian: d6 Systems

60.0%

25 Games·Wins

1.e4 c5 2.Nf3 d6

Black

Sicilian: d6 Systems

45.5%

22 Games·Wins

1.e4 c5 2.Nf3 d6

Critical Blunders

Tactical errors analyzed with Stockfish

3 errors

▶

#41Nb6??

Endgame

vs Grischuk

OTB·2004

▶

#61Rxg3??

Endgame

vs Aronian

Blitz·2004

▶

#35b2??

Tactics

vs Aronian

OTB·2004

Endgame Statistics

10 endgame categories analyzed — discover where they collapse under pressure

Repertoire

☰ All

♟ Classical

⚡ Rapid

🔥 Blitz

PRO

·

2023

2021

2017

2015

2014

2013

PRO

8

7

6

5

4

3

2

1a

b

c

d

e

f

g

h

Starting Position

295 Games

59%25%16%

Move	Games	Performance	%
1.e4	207		70%
1.d4 Strong	77		77%
1.Nf3	6		67%
1.c4	5		70%

1.e4

70%

207

1.d4

77%

77

1.Nf3

67%

6

1.c4

70%

5

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