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

Golubev, Mikhail

UKR UKR·Born 1970·FIDE #14100983·798 Games

Classical2461756 Games

Rapid232319 Games

Blitz232223 Games

Statistics

798

Total

369

Wins

295

Draws

133

Losses

46%37%17%

Play Style

What you need to know before facing them

Very high accuracy: 89.7% average

Very consistent (88%)

Very precise: only 0.2 blunders/game

Dominates 1.c4 ♚ (72% in 25 games)

Vulnerable to 1.Nf3 ♚ (only 47%)

Deep Analysis

Stockfish 18 · Classical games · 11 analyzed

Accuracy by phase

Opening96.5%

Middlegame90.7%

Endgame91.9%

Clutch Factor

Performance under pressure

+6%

Winning (+2 or more)91%

4 Games

Equal position94%

3 Games

Losing (-2 or more)85%

4 Games

Problematic Pieces

Which pieces cause most errors?

♙

22%

4 errors

♕

22%

4 errors

♖

22%

4 errors

♗

11%

2 errors

♔

11%

2 errors

♞

11%

2 errors

Critical Moment

When does the first serious error occur?

Move 36average

1-15

16-25

26-35

36-45

46+

50% of blunders occur between move 26-35. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

1

1

1

1

2

1

1

1

2

1

abcdefgh

Many

Few

Critical squares

c22 err

e52 err

a51 err

c11 err

c51 err

c2/e5 concentrate most errors. Force decisions in those zones.

Recent Games

W

Ahniannykov, Danylo2067

All-Ukrainian Blitz Chess... · 29 Nov 2025

1-0

L

Dovhan, Artem2092

All-Ukrainian Blitz Chess... · 29 Nov 2025

0-1

W

Chepil, Olexandr1908

All-Ukrainian Blitz Chess... · 29 Nov 2025

0-1

L

Budnikov, Oleg2376

All-Ukrainian Blitz Chess... · 29 Nov 2025

0-1

W

Garsky, Vladyslav2176

All-Ukrainian Blitz Chess... · 29 Nov 2025

0-1

W

Biliy, Vadim2056

All-Ukrainian Blitz Chess... · 29 Nov 2025

1-0

Openings

Based on player games

Weaknesses

EXPLOIT!

White

No significant weaknesses detected as White

Black

No significant weaknesses detected as Black

Strengths

AVOID

White

Sicilian: e6 Systems

58.7%

46 Games·Wins

1.e4 c5 2.Nf3 e6

French: Winawer

60.9%

23 Games·Wins

1.e4 e6 2.d4 d5 3.Nc3 Bb4

Black

Sicilian: Open

46.5%

101 Games·Wins

1.e4 c5 2.Nf3 d6 3.d4

King's Indian: Saemisch

45.5%

22 Games·Wins

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3

Critical Blunders

Tactical errors analyzed with Stockfish

8 errors

▶

#37h3??

Tactics

vs Dovhan

Blitz·2025

▶

#50Qf2??

Endgame

vs Chepil

Blitz·2025

▶

#42e7??

Endgame

vs Budnikov

Blitz·2025

▶

#23Nf5??

Tactics

vs Fingerov

Blitz·2025

▶

#36Qf8??

Tactics

vs Korchnoi

OTB·2008

▶

#30Re3??

Tactics

vs Korchnoi

OTB·2005

▶

#41Nc6??

Endgame

vs Topalov

OTB

▶

#31Qb8??

Tactics

vs Geller

OTB

Endgame Statistics

10 endgame categories analyzed — discover where they collapse under pressure

Repertoire

☰ All

♟ Classical

⚡ Rapid

🔥 Blitz

PRO

·

2025

2024

2023

2022

2015

2010

PRO

8

7

6

5

4

3

2

1a

b

c

d

e

f

g

h

Starting Position

403 Games

51%34%15%

Move	Games	Performance	%
1.e4	396		68%
1.d4	6		50%
1.Nf3 Strong	1		100%

1.e4

68%

396

1.d4

50%

6

1.Nf3

100%

1

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