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

Kushko, Dmitriy

BLR BLR·Born 2004·FIDE #14162261·1,892 Games

Classical24441,890 Games

Rapid23170 Games

Blitz22562 Games

Statistics

1892

Total

989

Wins

244

Draws

659

Losses

52%13%35%

Play Style

What you need to know before facing them

Elite accuracy: 91.9% average

Very consistent (86%)

Very precise: only 0.2 blunders/game

Dominates 1.g3 ♔ (67% in 268 games)

Vulnerable to 1.b3 ♚ (only 46%)

Deep Analysis

Stockfish 18 · Classical games · 320 analyzed

Accuracy by phase

Opening96.1%

Middlegame93.4%

Endgame94.0%

Clutch Factor

Performance under pressure

+7%

Winning (+2 or more)94%

143 Games

Equal position94%

91 Games

Losing (-2 or more)87%

86 Games

Problematic Pieces

Which pieces cause most errors?

♖

20%

83 errors

♔

18%

73 errors

♙

17%

70 errors

♕

17%

68 errors

♞

16%

64 errors

♗

13%

52 errors

Critical Moment

When does the first serious error occur?

Move 43average

1-15

16-25

26-35

36-45

46+

45% of blunders occur between move 46+. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

11

14

19

15

14

12

10

17

10

13

abcdefgh

Many

Few

Critical squares

d519 err

e417 err

e515 err

f514 err

f614 err

d5/e4 concentrate most errors. Force decisions in those zones.

Recent Games

W

Krudde, Fitzgerald2242

Titled Tue 12th May 2026 · 12 May 2026

0-1

L

Tsydypov, Zhamsaran2507

Titled Tue 12th May 2026 · 12 May 2026

1-0

L

Indjic, Aleksandar2602

Titled Tue 12th May 2026 · 12 May 2026

0-1

W

Bjerre, Jonas Buhl2626

Titled Tue 12th May 2026 · 12 May 2026

0-1

W

Davudov, Tunar2379

Titled Tue 12th May 2026 · 12 May 2026

1-0

L

Galchenko, Matvey2435

Titled Tue 12th May 2026 · 12 May 2026

0-1

Openings

Based on player games

Weaknesses

EXPLOIT!

White

1.g3 d5 2.Bg2 Nf6

70.0%

10 Games·Loses

1.g3 d5 2.Bg2 Nf6

Sicilian: e6 Systems

64.7%

17 Games·Loses

1.e4 c5 2.Nf3 e6

Black

Caro-Kann: Advance

57.6%

33 Games·Loses

1.e4 c6 2.d4 d5 3.e5

Strengths

AVOID

White

French: Advance

75.0%

12 Games·Wins

1.e4 e6 2.d4 d5 3.e5

1.g3 d5 2.Nf3 Nf6

66.7%

48 Games·Wins

1.g3 d5 2.Nf3 Nf6

Black

King's Indian

61.1%

36 Games·Wins

1.d4 Nf6 2.c4 g6

Grünfeld

56.0%

25 Games·Wins

1.d4 Nf6 2.c4 g6 3.Nc3 d5

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors

▶

#29Qxc6??

Tactics

vs Hnatyshyn

OTB·2026

▶

#28Kh1??

Tactics

vs Oz

OTB·2026

▶

#30R1b2??

Tactics

vs Terry

OTB·2026

▶

#44f5??

Endgame

vs Terry

OTB·2026

▶

#71Kh5??

Endgame

vs Klukin

OTB·2026

▶

#60Kf6??

Endgame

vs Tkachuk

OTB·2026

▶

#15Nfe4??

Tactics

vs Svane

OTB·2026

▶

#66Ne5??

Endgame

vs Batorshyn

OTB·2026

▶

#29Kd8??

Tactics

vs Labruyere

OTB·2025

▶

#39fxe5??

Tactics

vs Tran

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

945 Games

57%12%31%

Move	Games	Performance	%
1.Nf3	495		62%
1.g3	268		67%
1.e4	105		55%
1.f4	41		63%
1.d4	18		64%
1.Nh3	6		58%
1.d3	5		60%
1.b3	4		50%
1.c4	2		50%
1.Nc3 Strong	1		100%

1.Nf3

62%

495

1.g3

67%

268

1.e4

55%

105

1.f4

63%

41

1.d4

64%

18

1.Nh3

58%

6

1.d3

60%

5

1.b3

50%

4

1.c4

50%

2

1.Nc3

100%

1

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