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

IM

Ahmad, Khagan

AZE AZE·Born 2011·FIDE #13431552·1,917 Games

Classical24801,844 Games

Rapid243851 Games

Blitz247344 Games

Statistics

1917

Total

1041

Wins

255

Draws

621

Losses

54%13%32%

Play Style

What you need to know before facing them

Elite accuracy: 93.3% average

Solid conversion: 86%

Very consistent (90%)

Very precise: only 0.1 blunders/game

Dominates 1.a3 ♔ (93% in 14 games)

Vulnerable to 1.b3 ♚ (only 46%)

Deep Analysis

Stockfish 18 · Classical games · 327 analyzed

Accuracy by phase

Opening96.9%

Middlegame93.6%

Endgame95.4%

Clutch Factor

Performance under pressure

+4%

Winning (+2 or more)94%

151 Games

Equal position94%

84 Games

Losing (-2 or more)91%

92 Games

Problematic Pieces

Which pieces cause most errors?

♖

25%

82 errors

♙

21%

67 errors

♔

15%

49 errors

♕

15%

47 errors

♗

12%

39 errors

♞

12%

39 errors

Critical Moment

When does the first serious error occur?

Move 50average

1-15

16-25

26-35

36-45

46+

57% of blunders occur between move 46+. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

9

10

9

10

9

13

10

10

12

9

abcdefgh

Many

Few

Critical squares

d413 err

e312 err

b510 err

e410 err

g410 err

d4/e3 concentrate most errors. Force decisions in those zones.

Recent Games

L

Lazavik, Denis2621

2nd 3-0 Thu 28th May 2026 · 28 May 2026

0-1

W

Mischuk, Dmitry2298

2nd 3-0 Thu 28th May 2026 · 28 May 2026

1-0

W

Sreyas Payyappat2184

2nd 3-0 Thu 28th May 2026 · 28 May 2026

1-0

D

Duda, Jan-Krzysztof2739

2nd 3-0 Thu 28th May 2026 · 28 May 2026

½-½

W

Ambartsumova, Karina2385

2nd 3-0 Thu 28th May 2026 · 28 May 2026

0-1

L

Martirosyan, Haik M.2636

2nd 3-0 Thu 28th May 2026 · 28 May 2026

0-1

Openings

Based on player games

Weaknesses

EXPLOIT!

White

Caro-Kann: Steinitz

42.9%

21 Games·Loses

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nf6

Black

Nimzo-Indian: Capablanca

61.1%

18 Games·Loses

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O 5.Bd3

Nimzo-Indian: Rubinstein

58.6%

29 Games·Loses

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3

Strengths

AVOID

White

King's Indian

90.0%

10 Games·Wins

1.d4 Nf6 2.c4 g6

Queen's Gambit Declined

83.3%

12 Games·Wins

1.d4 d5 2.c4 e6

Black

Sicilian: e6 Systems

80.0%

10 Games·Wins

1.e4 c5 2.Nf3 e6

Sicilian: d6 Systems

48.6%

247 Games·Wins

1.e4 c5 2.Nf3 d6

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors

▶

#52Rg8+??

Endgame

vs Mamedyarov

Blitz·2025

▶

#32g3??

Tactics

vs Alekseenko

Blitz·2025

▶

#46g5??

Endgame

vs Stefansson

Blitz·2025

▶

#48Qxa6??

Endgame

vs Tabatabaei

Blitz·2025

▶

#38Rd7??

Tactics

vs Iturrizaga Bonelli

Blitz·2025

▶

#54Re4??

Endgame

vs Quparadze

Blitz·2025

▶

#44Rhf8??

Endgame

vs Peyrer

Blitz·2025

▶

#44Nf4??

Endgame

vs Sasikiran

Blitz·2025

▶

#44a8=Q??

Endgame

vs Hong

Rapid·2025

▶

#24Bxe4??

Tactics

vs Le

Rapid·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

985 Games

60%13%27%

Move	Games	Performance	%
1.e4	410		67%
1.Nf3	377		63%
1.d4	112		67%
1.c4 Strong	57		74%
1.a3 Strong	14		93%
1.g4 Strong	6		100%
1.Nc3	3		67%
1.b4 Strong	3		100%
1.g3 Strong	2		100%
1.d3 Strong	1		100%

1.e4

67%

410

1.Nf3

63%

377

1.d4

67%

112

1.c4

74%

57

1.a3

93%

14

1.g4

100%

6

1.Nc3

67%

3

1.b4

100%

3

1.g3

100%

2

1.d3

100%

1

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