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

Chiburdanidze, Maia

GEO GEO·Born 1961·FIDE #13600036·1,673 Games

Classical25001,584 Games

Rapid243263 Games

Blitz243726 Games

Statistics

1673

Total

588

Wins

799

Draws

286

Losses

35%48%17%

Play Style

What you need to know before facing them

Elite accuracy: 92.7% average

Very consistent (84%)

Very precise: only 0.1 blunders/game

Dominates 1.Nf3 ♔ (74% in 19 games)

Deep Analysis

Stockfish 18 · Classical games · 56 analyzed

Accuracy by phase

Opening96.2%

Middlegame93.3%

Endgame94.7%

Clutch Factor

Performance under pressure

+6%

Winning (+2 or more)93%

10 Games

Equal position96%

30 Games

Losing (-2 or more)87%

16 Games

Problematic Pieces

Which pieces cause most errors?

♖

30%

16 errors

♙

23%

12 errors

♕

19%

10 errors

♞

13%

7 errors

♗

9%

5 errors

♔

6%

3 errors

Critical Moment

When does the first serious error occur?

Move 50average

1-15

16-25

26-35

36-45

46+

50% of blunders occur between move 46+. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

3

3

2

5

2

3

3

3

2

2

abcdefgh

Many

Few

Critical squares

b55 err

c43 err

c83 err

e23 err

e53 err

b5/c4 concentrate most errors. Force decisions in those zones.

Recent Games

L

Osmak, Yuliia2388

ch-EUR Women Rapid 2019 · 1 Dec 2019

1-0

W

Gaprindashvili, Nona2270

ch-EUR Women Rapid 2019 · 1 Dec 2019

0-1

D

Batsiashvili, Nino2447

ch-EUR Women Rapid 2019 · 1 Dec 2019

½-½

W

Zaksaite, Salomeja2202

ch-EUR Women Rapid 2019 · 1 Dec 2019

0-1

W

Janzelj, Lara2181

ch-EUR Women Rapid 2019 · 1 Dec 2019

1-0

L

Muzychuk, Mariya2559

ch-EUR Women Rapid 2019 · 1 Dec 2019

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

55.2%

58 Games·Wins

1.e4 c5 2.Nf3 e6

Black

Caro-Kann: Exchange

63.6%

11 Games·Wins

1.e4 c6 2.d4 d5 3.exd5

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors

▶

#53Kd1??

Endgame

vs Dornbusch

Rapid·2019

▶

#25Nxa4??

Tactics

vs Stefanova

Blitz·2019

▶

#25Rfc1??

Tactics

vs Daulyte-Cornette

Blitz·2019

▶

#42Nd4??

Endgame

vs Osmak

Blitz·2019

▶

#52Nxg5??

Endgame

vs Kashlinskaya

Blitz·2019

▶

#51Ke2??

Endgame

vs Smyslov

OTB·1998

▶

#35Rc8??

Tactics

vs Geller

OTB·1993

▶

#37Qxf4??

Tactics

vs Portisch

OTB

▶

#73Qd2+??

Endgame

vs Smyslov

OTB

▶

#54b2??

Endgame

vs Portisch

OTB

Endgame Statistics

16 endgame categories analyzed — discover where they collapse under pressure

Repertoire

☰ All

♟ Classical

⚡ Rapid

🔥 Blitz

PRO

·

2019

2014

2012

2011

2010

2009

PRO

8

7

6

5

4

3

2

1a

b

c

d

e

f

g

h

Starting Position

843 Games

40%46%14%

Move	Games	Performance	%
1.e4	417		63%
1.d4	343		62%
1.c4	58		62%
1.Nf3 Strong	19		74%
1.g3	3		67%
1.Nc3 Strong	2		75%
1.b3 Strong	1		100%

1.e4

63%

417

1.d4

62%

343

1.c4

62%

58

1.Nf3

74%

19

1.g3

67%

3

1.Nc3

75%

2

1.b3

100%

1

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