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

Andreikin, Dmitry

FID FID·Born 1990·FIDE #4158814·7,817 Games

Classical27106,673 Games

Rapid2686543 Games

Blitz2688646 Games

Statistics

7817

Total

4443

Wins

2106

Draws

1262

Losses

57%27%16%

Play Style

What you need to know before facing them

Elite accuracy: 93.5% average

Very consistent (88%)

Very precise: only 0.1 blunders/game

Dominates 1.b3 ♔ (79% in 14 games)

Deep Analysis

Stockfish 18 · Classical games · 602 analyzed

Accuracy by phase

Opening96.3%

Middlegame93.4%

Endgame95.1%

Clutch Factor

Performance under pressure

+8%

Winning (+2 or more)95%

166 Games

Equal position95%

240 Games

Losing (-2 or more)87%

94 Games

Problematic Pieces

Which pieces cause most errors?

♙

22%

104 errors

♖

21%

96 errors

♕

19%

89 errors

♔

15%

69 errors

♗

12%

55 errors

♞

11%

50 errors

Critical Moment

When does the first serious error occur?

Move 50average

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?

14

13

16

15

12

12

14

17

12

11

abcdefgh

Many

Few

Critical squares

f417 err

f616 err

e515 err

d414 err

d614 err

f4/f6 concentrate most errors. Force decisions in those zones.

Recent Games

D

Yoo, Christopher Woojin2607

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

½-½

W

Martirosyan, Haik M.2636

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

0-1

L

Maghsoodloo, Parham2710

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

0-1

W

Kourkoulos-Arditis, Stamatis2570

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

0-1

W

Pribelszky, Bence2375

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

0-1

W

Gharibyan, Mamikon2477

1st 3-0 Thu 28th May 2026 · 28 May 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

70.4%

179 Games·Wins

1.d4 d5 2.c4 e6

King's Indian

67.8%

202 Games·Wins

1.d4 Nf6 2.c4 g6

Black

Sicilian: e6 Systems

55.9%

528 Games·Wins

1.e4 c5 2.Nf3 e6

King's Indian

71.9%

57 Games·Wins

1.d4 Nf6 2.c4 g6

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors

▶

#68f4??

Endgame

vs Maghsoodloo

OTB·2026

▶

#42Kh2??

Endgame

vs Sarana

OTB·2026

▶

#61f4+??

Endgame

vs Hansen

OTB·2026

▶

#30Bd4??

Tactics

vs Rosen

OTB·2026

▶

#25Bxg2??

Tactics

vs Bai

Blitz·2025

▶

#26cxb5??

Tactics

vs Chigaev

Blitz·2025

▶

#62Rg8??

Endgame

vs Vokhidov

Blitz·2025

▶

#38Qh5??

Tactics

vs Makhnev

Blitz·2025

▶

#62Kd6??

Endgame

vs Tin

Blitz·2025

▶

#54Kxg5??

Endgame

vs Ponomariov

Blitz·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

4000 Games

61%25%14%

Move	Games	Performance	%
1.d4 Strong	1808		74%
1.e4 Strong	1030		73%
1.Nf3 Strong	670		73%
1.c4 Strong	398		74%
1.Nc3 Strong	45		71%
1.b3 Strong	14		79%
1.h4	8		69%
1.c3 Strong	7		86%
1.b4 Strong	6		75%
1.f4 Strong	5		80%
1.a4 Strong	3		83%
1.Na3 Strong	2		100%
1.g3 Strong	2		75%
1.g4 Strong	1		100%
1.a3 Strong	1		100%

1.d4

74%

1808

1.e4

73%

1030

1.Nf3

73%

670

1.c4

74%

398

1.Nc3

71%

45

1.b3

79%

14

1.h4

69%

8

1.c3

86%

7

1.b4

75%

6

1.f4

80%

5

1.a4

83%

3

1.Na3

100%

2

1.g3

75%

2

1.g4

100%

1

1.a3

100%

1

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