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

IM

Celik, Hasan Huseyin

TUR TUR·Born 2008·FIDE #44506759·511 Games

Classical2490493 Games

Rapid22510 Games

Blitz229518 Games

Statistics

511

Total

145

Wins

234

Draws

129

Losses

28%46%25%

Play Style

What you need to know before facing them

Elite accuracy: 93.5% average

Solid conversion: 84%

Very consistent (91%)

Very precise: only 0.0 blunders/game

Dominates 1.Nf3 ♔ (69% in 26 games)

Vulnerable to 1.c4 ♚ (only 38%)

Deep Analysis

Stockfish 18 · Classical games · 353 analyzed

Accuracy by phase

Opening96.4%

Middlegame93.8%

Endgame95.6%

Clutch Factor

Performance under pressure

+5%

Winning (+2 or more)95%

103 Games

Equal position95%

168 Games

Losing (-2 or more)90%

82 Games

Problematic Pieces

Which pieces cause most errors?

♖

23%

60 errors

♙

18%

46 errors

♕

17%

44 errors

♗

16%

41 errors

♞

14%

37 errors

♔

12%

32 errors

Critical Moment

When does the first serious error occur?

Move 47average

1-15

16-25

26-35

36-45

46+

56% of blunders occur between move 46+. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

8

8

13

11

9

9

7

6

6

8

abcdefgh

Many

Few

Critical squares

f613 err

e511 err

e49 err

f49 err

d78 err

f6/e5 concentrate most errors. Force decisions in those zones.

Recent Games

L

Liang, Awonder2563

American Cup Blitz · 2 Mar 2026

0-1

W

Atwell, Rose2254

American Cup Blitz · 2 Mar 2026

0-1

L

Tari, Aryan2607

American Cup Blitz · 2 Mar 2026

0-1

L

Fier, Alexandr2549

American Cup Blitz · 2 Mar 2026

1-0

W

Alexakis, Dimitris2493

American Cup Blitz · 2 Mar 2026

0-1

L

Durarbayli, Vasif2581

American Cup Blitz · 2 Mar 2026

0-1

Openings

Based on player games

Weaknesses

EXPLOIT!

White

Scotch Game

50.0%

8 GamesLow sample·Loses

1.e4 e5 2.Nf3 Nc6 3.d4

Black

No significant weaknesses detected as Black

Strengths

AVOID

White

No consistent strengths detected as White

Black

Sicilian: e6 Systems

50.0%

24 Games·Wins

1.e4 c5 2.Nf3 e6

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors

▶

#35Rf1??

Tactics

vs Doll

OTB·2025

▶

#37Ne5??

Tactics

vs Dudin

OTB·2025

▶

#53Rf3??

Endgame

vs Suleymanli

OTB·2025

▶

#44Kxe6??

Endgame

vs Vagman

OTB·2025

▶

#54Qa4??

Endgame

vs Negrean

OTB·2025

▶

#20Qd8??

Tactics

vs Barbot

OTB·2025

▶

#25Ng4??

Tactics

vs Kienboeck

OTB·2024

▶

#25Nf4??

Tactics

vs Markus

OTB·2024

▶

#40f3??

Tactics

vs Schippers

OTB·2024

▶

#73Nxe4??

Endgame

vs Lamard

OTB·2024

Endgame Statistics

23 endgame categories analyzed — discover where they collapse under pressure

Repertoire

☰ All

♟ Classical

⚡ Rapid

🔥 Blitz

PRO

·

2026

2025

2024

2023

2022

2021

PRO

8

7

6

5

4

3

2

1a

b

c

d

e

f

g

h

Starting Position

254 Games

34%45%21%

Move	Games	Performance	%
1.e4	112		55%
1.d4	90		56%
1.c4	26		54%
1.Nf3	26		69%

1.e4

55%

112

1.d4

56%

90

1.c4

54%

26

1.Nf3

69%

26

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