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

Ibrahimov, Rasul

AZE AZE·Born 1981·FIDE #13400495·503 Games

Classical2527467 Games

Rapid251515 Games

Blitz246721 Games

Statistics

503

Total

208

Wins

190

Draws

105

Losses

41%38%21%

Play Style

What you need to know before facing them

Plays 24.0% better with white

Inconsistent (50%): Can have off days

Very precise: only 0.4 blunders/game

Dominates 1.c4 ♚ (69% in 13 games)

Vulnerable to 1.Nf3 ♚ (only 43%)

Deep Analysis

Stockfish 18 · Classical games · 7 analyzed

Accuracy by phase

Opening96.2%

Middlegame89.6%

Endgame96.0%

Clutch Factor

Performance under pressure

-21%

Winning (+2 or more)65%

2 Games

Equal position92%

3 Games

Losing (-2 or more)87%

2 Games

Problematic Pieces

Which pieces cause most errors?

♕

36%

4 errors

♙

27%

3 errors

♗

18%

2 errors

♞

9%

1 errors

♖

9%

1 errors

♔

0%

0 errors

Critical Moment

When does the first serious error occur?

Move 36average

1-15

16-25

26-35

36-45

46+

100% of blunders occur between move 36-45. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

1

1

1

1

1

1

1

1

1

1

abcdefgh

Many

Few

Critical squares

a41 err

b51 err

c21 err

c41 err

c51 err

a4/b5 concentrate most errors. Force decisions in those zones.

Recent Games

L

Frolyanov, Dmitry2479

Julius Baer Gen Cup Pl/In · 25 Sept 2024

1-0

D

Sharapov, Yevhen2375

Julius Baer Gen Cup Pl/In · 25 Sept 2024

½-½

L

Nguyen, Ngoc Truong Son2633

Julius Baer Gen Cup Pl/In · 25 Sept 2024

1-0

D

Bachmann, Axel2560

Julius Baer Gen Cup Pl/In · 25 Sept 2024

½-½

L

Ioannidis, Evgenios2499

Julius Baer Gen Cup Pl/In · 25 Sept 2024

0-1

L

Bologan, Victor2598

Julius Baer Gen Cup Pl/In · 25 Sept 2024

0-1

Openings

Based on player games

Weaknesses

EXPLOIT!

White

No significant weaknesses detected as White

Black

No significant weaknesses detected as Black

Strengths

AVOID

White

Reti vs King's Indian

64.0%

25 Games·Wins

1.Nf3 Nf6 2.c4 g6

Black

Sicilian: d6 Systems

46.0%

63 Games·Wins

1.e4 c5 2.Nf3 d6

Critical Blunders

Tactical errors analyzed with Stockfish

2 errors

▶

#20Bd6??

Tactics

vs Mamedyarov

OTB·2006

▶

#37Rf8??

Tactics

vs Grischuk

OTB

Endgame Statistics

3 endgame categories analyzed — discover where they collapse under pressure

Repertoire

☰ All

♟ Classical

⚡ Rapid

🔥 Blitz

PRO

·

2024

2023

2021

2019

2017

2014

PRO

8

7

6

5

4

3

2

1a

b

c

d

e

f

g

h

Starting Position

263 Games

43%42%15%

Move	Games	Performance	%
1.Nf3	175		69%
1.e4	54		56%
1.d4	24		52%
1.c4	10		60%

1.Nf3

69%

175

1.e4

56%

54

1.d4

52%

24

1.c4

60%

10

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