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

Idani, Pouya

IRI IRI·Born 1995·FIDE #12510130·2,091 Games

Classical26141,915 Games

Rapid253975 Games

Blitz2535123 Games

Statistics

2091

Total

983

Wins

687

Draws

421

Losses

47%33%20%

Play Style

What you need to know before facing them

Elite accuracy: 94.4% average

High resilience (57%): Dangerous even when losing

Solid conversion: 89%

Very consistent (91%)

Very precise: only 0.0 blunders/game

Dominates 1.Nf3 ♔ (83% in 80 games)

Deep Analysis

Stockfish 18 · Classical games · 506 analyzed

Accuracy by phase

Opening96.7%

Middlegame94.0%

Endgame95.5%

Clutch Factor

Performance under pressure

+5%

Winning (+2 or more)95%

221 Games

Equal position96%

204 Games

Losing (-2 or more)90%

70 Games

Problematic Pieces

Which pieces cause most errors?

♖

23%

67 errors

♕

21%

62 errors

♙

20%

58 errors

♞

17%

50 errors

♗

10%

30 errors

♔

8%

24 errors

Critical Moment

When does the first serious error occur?

Move 44average

1-15

16-25

26-35

36-45

46+

38% of blunders occur between move 46+. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

9

7

14

10

10

11

7

9

7

7

abcdefgh

Many

Few

Critical squares

f614 err

e511 err

c510 err

d510 err

b89 err

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

Recent Games

L

Nguyen Tung Quan2197

Titled Tue 26th May 2026 · 26 May 2026

0-1

W

Kaidanov, Gregory2491

Titled Tue 26th May 2026 · 26 May 2026

1-0

L

Isaev, Anton2173

Titled Tue 26th May 2026 · 26 May 2026

0-1

W

Fikiet, Alex2135

Titled Tue 26th May 2026 · 26 May 2026

0-1

L

Nugumanov, Bakhtiyar2290

Titled Tue 26th May 2026 · 26 May 2026

1-0

W

Chen, Yidong2128

Titled Tue 26th May 2026 · 26 May 2026

1-0

Openings

Based on player games

Weaknesses

EXPLOIT!

White

No significant weaknesses detected as White

Black

Sicilian: Taimanov

62.5%

8 GamesLow sample·Loses

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6

Strengths

AVOID

White

King's Indian

73.7%

19 Games·Wins

1.d4 Nf6 2.c4 g6

Caro-Kann: Exchange

64.7%

34 Games·Wins

1.e4 c6 2.d4 d5 3.exd5

Black

Sicilian: d6 Systems

47.1%

263 Games·Wins

1.e4 c5 2.Nf3 d6

Nimzo-Indian: Classical

52.9%

17 Games·Wins

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors

▶

#30Nd7??

Tactics

vs Suleymenov

Blitz·2025

▶

#32Kd8??

Tactics

vs Samunenkov

Blitz·2025

▶

#34Nf4??

Tactics

vs Grischuk

Blitz·2025

▶

#42Rg2+??

Endgame

vs Siddharth

Blitz·2025

▶

#36Qc1??

Tactics

vs Gaehwiler

Blitz·2025

▶

#24Qc5??

Tactics

vs Balakrishnan

Blitz·2025

▶

#19Be2??

Tactics

vs Gan-Erdene

Blitz·2025

▶

#66Kg5??

Endgame

vs Uskov

Blitz·2025

▶

#47Ke5??

Endgame

vs Karthikeyan

OTB·2025

▶

#37b4??

Endgame

vs Karthikeyan

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

1049 Games

52%32%16%

Move	Games	Performance	%
1.e4	811		66%
1.d4 Strong	120		74%
1.Nf3 Strong	80		83%
1.c4	20		65%
1.g3 Strong	13		77%
1.f4	3		67%
1.a3 Strong	1		100%
1.b3 Strong	1		100%

1.e4

66%

811

1.d4

74%

120

1.Nf3

83%

80

1.c4

65%

20

1.g3

77%

13

1.f4

67%

3

1.a3

100%

1

1.b3

100%

1

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