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

Tari, Aryan

NOR NOR·Born 1999·FIDE #1510045·4,222 Games

Classical26413,708 Games

Rapid2550218 Games

Blitz2598322 Games

Statistics

4222

Total

2185

Wins

1044

Draws

991

Losses

52%25%23%

Play Style

What you need to know before facing them

Elite accuracy: 94.8% average

High resilience (57%): Dangerous even when losing

Solid conversion: 90%

Very consistent (93%)

Very precise: only 0.0 blunders/game

Dominates 1.a3 ♔ (79% in 28 games)

Deep Analysis

Stockfish 18 · Classical games · 137 analyzed

Accuracy by phase

Opening96.6%

Middlegame94.2%

Endgame96.0%

Clutch Factor

Performance under pressure

+5%

Winning (+2 or more)95%

76 Games

Equal position96%

46 Games

Losing (-2 or more)90%

15 Games

Problematic Pieces

Which pieces cause most errors?

♕

23%

15 errors

♖

23%

15 errors

♞

16%

10 errors

♗

14%

9 errors

♙

14%

9 errors

♔

9%

6 errors

Critical Moment

When does the first serious error occur?

Move 42average

1-15

16-25

26-35

36-45

46+

33% of blunders occur between move 36-45. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

4

5

4

3

2

2

2

2

2

3

abcdefgh

Many

Few

Critical squares

e75 err

d64 err

d74 err

c13 err

f63 err

e7/d6 concentrate most errors. Force decisions in those zones.

Recent Games

W

Hoang, Thi Bao Tram2124

Titled Tue 19th May 2026 · 19 May 2026

0-1

L

Abdusattorov, Nodirbek2780

Titled Tue 19th May 2026 · 19 May 2026

1-0

W

Ambartsumova, Karina2385

Titled Tue 19th May 2026 · 19 May 2026

0-1

D

Gurbanov, Ismayil2077

Titled Tue 19th May 2026 · 19 May 2026

½-½

W

Tabatabaei, M. Amin2714

Titled Tue 19th May 2026 · 19 May 2026

1-0

W

Rustamov, Rustam2340

Titled Tue 19th May 2026 · 19 May 2026

0-1

Openings

Based on player games

Weaknesses

EXPLOIT!

White

Ruy Lopez: Steinitz Deferred

54.5%

11 Games·Loses

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6

French: Exchange

52.9%

17 Games·Loses

1.e4 e6 2.d4 d5 3.exd5

Black

No significant weaknesses detected as Black

Strengths

AVOID

White

Reti: Double Fianchetto

90.0%

10 Games·Wins

1.Nf3 Nf6 2.g3 g6

English: Anglo-Indian

76.5%

17 Games·Wins

1.c4 Nf6 2.Nc3 g6

Black

Italian: Fried Liver

75.0%

12 Games·Wins

1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5

Queen's Gambit Declined

55.7%

174 Games·Wins

1.d4 d5 2.c4 e6

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors

▶

#58Nxf2??

Endgame

vs Flores

OTB·2025

▶

#40g4??

Tactics

vs Pranav V

OTB·2025

▶

#33Rc2??

Tactics

vs Pranav V

OTB·2025

▶

#36Rb5??

Tactics

vs Fier

OTB·2025

▶

#21Qe7??

Tactics

vs Shlyakhtenko

OTB·2025

▶

#45Rf4??

Endgame

vs Jacobson

Blitz·2024

▶

#61Rc7??

Endgame

vs Firouzja

Blitz·2024

▶

#42Qe3??

Endgame

vs Gretarsson

Blitz·2024

▶

#53Rb7+??

Endgame

vs Dubov

Blitz·2024

▶

#53a3+??

Endgame

vs Damjanovic

Blitz·2024

Endgame Statistics

20 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

2123 Games

56%24%20%

Move	Games	Performance	%
1.e4	1469		65%
1.c4 Strong	245		73%
1.d4 Strong	214		73%
1.Nf3 Strong	114		71%
1.b3	28		63%
1.a3 Strong	28		79%
1.e3 Strong	9		100%
1.Nc3 Strong	5		90%
1.g3 Strong	3		100%
1.b4 Strong	2		75%
1.a4 Strong	2		100%
1.c3 Strong	1		100%
1.f4 Weak	1		0%
1.h3 Strong	1		100%
1.g4 Strong	1		100%

1.e4

65%

1469

1.c4

73%

245

1.d4

73%

214

1.Nf3

71%

114

1.b3

63%

28

1.a3

79%

28

1.e3

100%

9

1.Nc3

90%

5

1.g3

100%

3

1.b4

75%

2

1.a4

100%

2

1.c3

100%

1

1.f4

0%

1

1.h3

100%

1

1.g4

100%

1

🍪 Cookies · Chess Stalker uses technical cookies (required for operation) and analytical cookies (to improve the service). Analytical cookies are optional.