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

Dlugy, Maxim

USA USA·Born 1966·FIDE #2000075·1,194 Games

Classical24961,000 Games

Rapid2491103 Games

Blitz2492140 Games

Statistics

1194

Total

485

Wins

402

Draws

307

Losses

41%34%26%

Play Style

What you need to know before facing them

Elite accuracy: 92.5% average

Very consistent (89%)

Very precise: only 0.1 blunders/game

Dominates 1.c4 ♔ (77% in 15 games)

Vulnerable to 1.c4 ♚ (only 45%)

Deep Analysis

Stockfish 18 · Classical games · 118 analyzed

Accuracy by phase

Opening96.2%

Middlegame92.6%

Endgame93.9%

Clutch Factor

Performance under pressure

+6%

Winning (+2 or more)95%

29 Games

Equal position94%

48 Games

Losing (-2 or more)89%

41 Games

Problematic Pieces

Which pieces cause most errors?

♙

23%

35 errors

♖

23%

35 errors

♗

18%

27 errors

♞

15%

23 errors

♔

11%

17 errors

♕

9%

14 errors

Critical Moment

When does the first serious error occur?

Move 46average

1-15

16-25

26-35

36-45

46+

47% of blunders occur between move 46+. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

5

5

4

4

7

4

5

4

5

5

abcdefgh

Many

Few

Critical squares

e57 err

b45 err

c15 err

c35 err

d65 err

e5/b4 concentrate most errors. Force decisions in those zones.

Recent Games

W

Rakotomaharo, Fy Antenaina2434

World Blitz 2025 · 30 Dec 2025

1-0

W

Raja Harshit2455

World Blitz 2025 Open · 30 Dec 2025

1-0

L

Samadov, Read2510

World Blitz 2025 · 30 Dec 2025

1-0

D

Ohanyan, Emin2493

World Blitz 2025 · 30 Dec 2025

½-½

W

Raja,H2472

World Blitz 2025 · 30 Dec 2025

1-0

W

Harshavardhan G B2477

World Blitz 2025 · 30 Dec 2025

0-1

Openings

Based on player games

Weaknesses

EXPLOIT!

White

No significant weaknesses detected as White

Black

Sicilian: Closed

66.7%

9 GamesLow sample·Loses

1.e4 c5 2.Nc3 Nc6

Strengths

AVOID

White

King's Indian: Saemisch

55.3%

47 Games·Wins

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3

Black

Sicilian: d6 Systems

58.7%

75 Games·Wins

1.e4 c5 2.Nf3 d6

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors

▶

#50Rxe4??

Endgame

vs Ohanyan

Blitz·2025

▶

#29Be8??

Tactics

vs Samadov

Blitz·2025

▶

#32Qxh3??

Tactics

vs Agmanov

Blitz·2025

▶

#32Qxf4??

Tactics

vs Stribuk

Blitz·2025

▶

#51Rxh5??

Endgame

vs Gan-Erdene

Blitz·2025

▶

#25Be7??

Tactics

vs Van Foreest

Blitz·2025

▶

#42Ke4??

Endgame

vs Altini

Blitz·2025

▶

#25Kc7??

Tactics

vs Meng

Blitz·2025

▶

#46h5??

Endgame

vs Urkedal

Blitz·2025

▶

#30Re1+??

Tactics

vs Davtyan

Blitz·2025

Endgame Statistics

23 endgame categories analyzed — discover where they collapse under pressure

Repertoire

☰ All

♟ Classical

⚡ Rapid

🔥 Blitz

PRO

·

2025

2024

2023

2022

2021

2020

PRO

8

7

6

5

4

3

2

1a

b

c

d

e

f

g

h

Starting Position

614 Games

44%35%21%

Move	Games	Performance	%
1.d4	587		61%
1.c4 Strong	15		77%
1.Nf3	8		56%
1.e4 Weak	3		17%
1.g3 Strong	1		100%

1.d4

61%

587

1.c4

77%

15

1.Nf3

56%

8

1.e4

17%

3

1.g3

100%

1

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