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

Pranesh M

IND IND·Born 2006·FIDE #35028600·2,189 Games

Classical26441,959 Games

Rapid2521123 Games

Blitz2587144 Games

Statistics

2189

Total

1242

Wins

492

Draws

454

Losses

57%22%21%

Play Style

What you need to know before facing them

Elite accuracy: 93.5% average

Solid conversion: 90%

Very consistent (90%)

Very precise: only 0.1 blunders/game

Dominates 1.e4 ♔ (72% in 832 games)

Deep Analysis

Stockfish 18 · Classical games · 572 analyzed

Accuracy by phase

Opening96.6%

Middlegame93.5%

Endgame95.5%

Clutch Factor

Performance under pressure

+4%

Winning (+2 or more)94%

241 Games

Equal position94%

171 Games

Losing (-2 or more)90%

88 Games

Problematic Pieces

Which pieces cause most errors?

♖

24%

97 errors

♙

19%

78 errors

♗

17%

67 errors

♕

17%

69 errors

♞

12%

50 errors

♔

11%

44 errors

Critical Moment

When does the first serious error occur?

Move 37average

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?

11

11

11

18

15

11

19

12

10

13

abcdefgh

Many

Few

Critical squares

e419 err

f518 err

g515 err

g313 err

g412 err

e4/f5 concentrate most errors. Force decisions in those zones.

Recent Games

L

Bortnyk, Olexandr2604

3rd 3-0 Thu 28th May 2026 · 28 May 2026

0-1

L

Gharibyan, Mamikon2477

1st 3-0 Thu 28th May 2026 · 28 May 2026

0-1

W

Sjugirov, Sanan2565

3rd 3-0 Thu 28th May 2026 · 28 May 2026

0-1

L

Martirosyan, Haik M.2636

3rd 3-0 Thu 28th May 2026 · 28 May 2026

1-0

W

Xue, Haowen2553

3rd 3-0 Thu 28th May 2026 · 28 May 2026

0-1

L

Movahed, Sina2575

3rd 3-0 Thu 28th May 2026 · 28 May 2026

1-0

Openings

Based on player games

Weaknesses

EXPLOIT!

White

Sicilian: Sveshnikov

50.0%

14 Games·Loses

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e5

Black

No significant weaknesses detected as Black

Strengths

AVOID

White

Petroff: Main Line

86.7%

15 Games·Wins

1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6

French: Classical

80.0%

25 Games·Wins

1.e4 e6 2.d4 d5 3.Nc3 Nf6

Black

Sicilian: Rossolimo

66.7%

15 Games·Wins

1.e4 c5 2.Nf3 Nc6 3.Bb5

Scotch: Mieses

60.0%

15 Games·Wins

1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Nf6 5.Nxc6

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors

▶

#10Bg4??

Tactics

vs Mitrabha

OTB·2026

▶

#42Rd4??

Endgame

vs Nguyen

OTB·2026

▶

#51Ke4??

Endgame

vs Robson

Blitz·2025

▶

#57Kc7??

Endgame

vs Bu

Blitz·2025

▶

#37Nd7??

Tactics

vs Caruana

Blitz·2025

▶

#19b6??

Tactics

vs Mamedov

Blitz·2025

▶

#35Qe2??

Tactics

vs Vachier-Lagrave

Blitz·2025

▶

#22Bc4??

Tactics

vs Alekseenko

Rapid·2025

▶

#37g3??

Tactics

vs Maghsoodloo

Blitz·2025

▶

#52Kg4??

Endgame

vs Ambartsumova

OTB·2025

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

1120 Games

61%22%17%

Move	Games	Performance	%
1.e4 Strong	832		72%
1.Nf3 Strong	246		72%
1.d4	37		69%
1.c4 Strong	3		100%
1.a3	1		50%
1.Nc3 Strong	1		100%

1.e4

72%

832

1.Nf3

72%

246

1.d4

69%

37

1.c4

100%

3

1.a3

50%

1

1.Nc3

100%

1

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