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

Dubov, Daniil

RUS RUS·Born 1996·FIDE #24126055·4,683 Games

Classical26493,400 Games

Rapid2685677 Games

Blitz2792679 Games

Statistics

4683

Total

2315

Wins

1475

Draws

891

Losses

49%31%19%

Play Style

What you need to know before facing them

Elite accuracy: 93.5% average

High resilience (56%): Dangerous even when losing

Solid conversion: 84%

Very consistent (89%)

Very precise: only 0.1 blunders/game

Dominates 1.b3 ♚ (71% in 21 games)

Deep Analysis

Stockfish 18 · Classical games · 733 analyzed

Accuracy by phase

Opening96.4%

Middlegame94.2%

Endgame95.1%

Clutch Factor

Performance under pressure

+5%

Winning (+2 or more)94%

153 Games

Equal position95%

260 Games

Losing (-2 or more)89%

87 Games

Problematic Pieces

Which pieces cause most errors?

♙

23%

93 errors

♖

22%

87 errors

♕

18%

71 errors

♞

15%

61 errors

♔

12%

48 errors

♗

11%

43 errors

Critical Moment

When does the first serious error occur?

Move 47average

1-15

16-25

26-35

36-45

46+

50% of blunders occur between move 46+. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

12

12

16

13

15

16

13

13

13

12

abcdefgh

Many

Few

Critical squares

d416 err

e516 err

h515 err

d313 err

e413 err

d4/e5 concentrate most errors. Force decisions in those zones.

Recent Games

D

Di Berardino, Diego Rafael2465

Titled Tue 26th May 2026 · 26 May 2026

½-½

L

Shandrygin, Nikita2209

Titled Tue 26th May 2026 · 26 May 2026

0-1

L

Dubnevych, Maksym2350

Titled Tue 26th May 2026 · 26 May 2026

0-1

D

Ter-Sahakyan, Samvel2613

Titled Tue 26th May 2026 · 26 May 2026

½-½

L

Rami,Talab2286

Titled Tue 26th May 2026 · 26 May 2026

1-0

W

Tarlabasi, Emirhan2308

Titled Tue 26th May 2026 · 26 May 2026

1-0

Openings

Based on player games

Weaknesses

EXPLOIT!

White

English vs 1...e5

46.2%

13 Games·Loses

1.c4 e5 2.Nc3 Bb4

Black

No significant weaknesses detected as Black

Strengths

AVOID

White

London System

100.0%

10 Games·Wins

1.d4 Nf6 2.Bf4 g6

Sicilian: d6 Systems

67.4%

86 Games·Wins

1.e4 c5 2.Nf3 d6

Black

Sicilian: e6 Systems

53.9%

128 Games·Wins

1.e4 c5 2.Nf3 e6

Nimzo-Indian: Rubinstein

53.3%

15 Games·Wins

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

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors

▶

#68Rd6??

Endgame

vs Nihal Sarin

Blitz·2025

▶

#27Nxg2??

Tactics

vs Gukesh D

Blitz·2025

▶

#28Nbd2??

Tactics

vs Gurel

Blitz·2025

▶

#39Qc4??

Tactics

vs Indjic

Blitz·2025

▶

#40Nh4??

Tactics

vs Tabatabaei

Blitz·2025

▶

#27Bf4??

Tactics

vs Kadric

Blitz·2025

▶

#70Kd3??

Endgame

vs Shankland

OTB·2025

▶

#59Ke5??

Endgame

vs Meier

OTB·2025

▶

#36Nd3??

Tactics

vs Bai

OTB·2025

▶

#44Qe2??

Endgame

vs Ponkratov

OTB·2025

Endgame StatisticsPRO

Analyzing...

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

2399 Games

55%29%16%

Move	Games	Performance	%
1.d4	1235		69%
1.e4	612		70%
1.Nf3	264		68%
1.c4	260		68%
1.g3	10		65%
1.a3 Strong	4		100%
1.b3 Strong	4		100%
1.f4 Weak	2		0%
1.g4 Strong	2		100%
1.h4	2		50%
1.f3 Strong	1		100%
1.e3	1		50%
1.Nh3 Weak	1		0%
1.Nc3 Weak	1		0%

1.d4

69%

1235

1.e4

70%

612

1.Nf3

68%

264

1.c4

68%

260

1.g3

65%

10

1.a3

100%

4

1.b3

100%

4

1.f4

0%

2

1.g4

100%

2

1.h4

50%

2

1.f3

100%

1

1.e3

50%

1

1.Nh3

0%

1

1.Nc3

0%

1

🍪 Cookies · Chess Stalker uses technical cookies (required for operation) and analytical cookies (to improve the service). Analytical cookies are optional.