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

Bareev, Evgeny

CAN CAN·Born 1966·FIDE #4100140·2,335 Games

Classical26111,995 Games

Rapid2617187 Games

Blitz2646153 Games

Statistics

2335

Total

910

Wins

934

Draws

491

Losses

39%40%21%

Play Style

What you need to know before facing them

Elite accuracy: 92.4% average

Plays 2.3% better with white

Low resilience (28%): Doesn't save lost positions

Very consistent (80%)

Very precise: only 0.1 blunders/game

Dominates 1.d4 ♔ (67% in 968 games)

Deep Analysis

Stockfish 18 · Classical games · 288 analyzed

Accuracy by phase

Opening96.4%

Middlegame93.4%

Endgame95.1%

Clutch Factor

Performance under pressure

+5%

Winning (+2 or more)94%

61 Games

Equal position95%

124 Games

Losing (-2 or more)89%

103 Games

Problematic Pieces

Which pieces cause most errors?

♖

21%

61 errors

♙

20%

57 errors

♞

16%

46 errors

♕

16%

46 errors

♗

14%

40 errors

♔

12%

35 errors

Critical Moment

When does the first serious error occur?

Move 30average

1-15

16-25

26-35

36-45

46+

45% of blunders occur between move 26-35. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

11

9

7

8

7

8

14

7

8

8

abcdefgh

Many

Few

Critical squares

e514 err

e711 err

b69 err

c28 err

c38 err

e5/e7 concentrate most errors. Force decisions in those zones.

Recent Games

W

Hernandez Guerrero, Gilberto2506

Titled Tue 16th Jul Late · 16 Jul 2024

1-0

W

Christodoulaki, Antonia1988

Titled Tue 16th Jul Late · 16 Jul 2024

0-1

D

Exposito Milan, Adrian2276

Titled Tue 16th Jul Late · 16 Jul 2024

½-½

L

Kasparov, Sergey2449

Titled Tue 16th Jul Late · 16 Jul 2024

0-1

D

Riff, Vincent2367

Titled Tue 16th Jul Late · 16 Jul 2024

½-½

L

Henriquez Villagra, Cristobal2596

Titled Tue 16th Jul Late · 16 Jul 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

Queen's Gambit Accepted

69.6%

23 Games·Wins

1.d4 d5 2.c4 dxc4

King's Indian: Classical

62.7%

59 Games·Wins

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be2

Black

English: Four Knights

52.6%

19 Games·Wins

1.c4 e5 2.Nc3 Nf6

French: Exchange

50.0%

12 Games·Wins

1.e4 e6 2.d4 d5 3.exd5

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors

▶

#31Bc3??

Tactics

vs Puri

Blitz·2024

▶

#26Bf4??

Tactics

vs Gavrilin

Blitz·2024

▶

#32Nf7??

Tactics

vs Mamedyarov

Blitz·2024

▶

#26Nc4??

Tactics

vs Shirov

OTB·2023

▶

#19Qxb2??

Tactics

vs Reprintsev

OTB·2023

▶

#35Ra3??

Tactics

vs Posthuma

Rapid·2023

▶

#27Rxe5??

Tactics

vs Shipov

OTB·2021

▶

#18a4??

Tactics

vs Shipov

OTB·2021

▶

#13cxd5??

Tactics

vs Shipov

OTB·2021

▶

#43Qa3??

Endgame

vs Shipov

OTB·2021

Endgame Statistics

23 endgame categories analyzed — discover where they collapse under pressure

Repertoire

☰ All

♟ Classical

⚡ Rapid

🔥 Blitz

PRO

·

2024

2023

2021

2020

2019

2018

PRO

8

7

6

5

4

3

2

1a

b

c

d

e

f

g

h

Starting Position

1181 Games

46%37%17%

Move	Games	Performance	%
1.d4	968		67%
1.c4	133		57%
1.Nf3	69		50%
1.g3 Strong	6		83%
1.e4 Strong	4		75%
1.b3 Weak	1		0%

1.d4

67%

968

1.c4

57%

133

1.Nf3

50%

69

1.g3

83%

6

1.e4

75%

4

1.b3

0%

1

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