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

Le, Tuan Minh

VIE VIE·Born 1996·FIDE #12401153·1,011 Games

Classical2585725 Games

Rapid2505119 Games

Blitz2576215 Games

Statistics

1011

Total

495

Wins

255

Draws

260

Losses

49%25%26%

Play Style

What you need to know before facing them

Elite accuracy: 92.0% average

High resilience (56%): Dangerous even when losing

Solid conversion: 86%

Very consistent (89%)

Very precise: only 0.2 blunders/game

Dominates 1.Nf3 ♔ (78% in 16 games)

Deep Analysis

Stockfish 18 · Classical games · 366 analyzed

Accuracy by phase

Opening95.8%

Middlegame92.9%

Endgame93.7%

Clutch Factor

Performance under pressure

+4%

Winning (+2 or more)92%

231 Games

Equal position93%

93 Games

Losing (-2 or more)88%

135 Games

Problematic Pieces

Which pieces cause most errors?

♖

24%

180 errors

♕

20%

154 errors

♙

17%

128 errors

♔

14%

103 errors

♗

13%

97 errors

♞

13%

98 errors

Critical Moment

When does the first serious error occur?

Move 47average

1-15

16-25

26-35

36-45

46+

51% of blunders occur between move 46+. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

19

20

25

20

32

25

19

24

19

19

abcdefgh

Many

Few

Critical squares

e532 err

f525 err

f625 err

e424 err

d520 err

e5/f5 concentrate most errors. Force decisions in those zones.

Recent Games

L

Le Tuan, Minh2585

3. 3-0 Thu 26. Feb 2026 · 26 Feb 2026

1-0

D

Le Tuan, Minh2585

3. 3-0 Thu 26. Feb 2026 · 26 Feb 2026

½-½

W

Bortnyk, Olexandr2604

3. 3-0 Thu 26. Feb 2026 · 26 Feb 2026

0-1

D

Taher, Yoseph Theolifus2451

3. 3-0 Thu 26. Feb 2026 · 26 Feb 2026

½-½

L

Le Tuan, Minh2585

3. 3-0 Thu 26. Feb 2026 · 26 Feb 2026

1-0

W

Terry, Renato2508

3. 3-0 Thu 26. Feb 2026 · 26 Feb 2026

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 Declined

70.0%

20 Games·Wins

1.d4 d5 2.c4 e6

Black

Sicilian: d6 Systems

56.5%

23 Games·Wins

1.e4 c5 2.Nf3 d6

Ruy Lopez: Morphy

54.2%

24 Games·Wins

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors

▶

#79Rc7??

Endgame

vs Taher

OTB·2026

▶

#74Ke4??

Endgame

vs Nguyen

OTB·2026

▶

#101Rf7??

Endgame

vs Xiong

OTB·2026

▶

#57Qh5??

Endgame

vs Damjanovic

OTB·2026

▶

#30Rg6??

Tactics

vs Nguyen

OTB·2026

▶

#42Qe4??

Endgame

vs Schnaider

OTB·2026

▶

#82Rc1??

Endgame

vs Leiva

OTB·2026

▶

#50Qg6??

Endgame

vs Klukin

OTB·2026

▶

#49Rb8??

Endgame

vs Khodko

OTB·2026

▶

#32Rd1??

Tactics

vs Schnaider

OTB·2026

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

489 Games

51%25%24%

Move	Games	Performance	%
1.d4	444		64%
1.Nf3 Strong	16		78%
1.c4	16		63%
1.e4	10		50%
1.b3	2		50%
1.g3 Strong	1		100%

1.d4

64%

444

1.Nf3

78%

16

1.c4

63%

16

1.e4

50%

10

1.b3

50%

2

1.g3

100%

1

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