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

Drygalov, Andrey

RUS RUS·Born 1999·FIDE #24171735·1,864 Games

Classical24041,542 Games

Rapid2435140 Games

Blitz2447182 Games

Statistics

1864

Total

938

Wins

452

Draws

474

Losses

50%24%25%

Play Style

What you need to know before facing them

Elite accuracy: 93.2% average

High resilience (58%): Dangerous even when losing

Solid conversion: 81%

Very consistent (87%)

Very precise: only 0.1 blunders/game

Dominates 1.Nf3 ♔ (68% in 31 games)

Deep Analysis

Stockfish 18 · Classical games · 252 analyzed

Accuracy by phase

Opening97.0%

Middlegame93.2%

Endgame94.7%

Clutch Factor

Performance under pressure

+4%

Winning (+2 or more)93%

88 Games

Equal position94%

120 Games

Losing (-2 or more)90%

44 Games

Problematic Pieces

Which pieces cause most errors?

♙

24%

51 errors

♖

22%

47 errors

♞

17%

36 errors

♗

15%

32 errors

♕

12%

27 errors

♔

11%

23 errors

Critical Moment

When does the first serious error occur?

Move 46average

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?

6

13

6

6

8

8

7

6

6

8

abcdefgh

Many

Few

Critical squares

f613 err

d48 err

e58 err

f28 err

e47 err

f6/d4 concentrate most errors. Force decisions in those zones.

Recent Games

W

Gelman, Alexander2419

Titled Tue 19th May 2026 · 19 May 2026

1-0

W

Bluebaum, Matthias2694

Titled Tue 19th May 2026 · 19 May 2026

1-0

W

Rustemov, Alexander2525

Titled Tue 19th May 2026 · 19 May 2026

0-1

W

Seder, Mohammed2146

Titled Tue 19th May 2026 · 19 May 2026

1-0

W

Estrada Nieto, Julian2153

Titled Tue 19th May 2026 · 19 May 2026

0-1

W

Biyiksiz, Ali Batuhan2268

Titled Tue 19th May 2026 · 19 May 2026

0-1

Openings

Based on player games

Weaknesses

EXPLOIT!

White

No significant weaknesses detected as White

Black

Slav: Semi-Slav

63.6%

11 Games·Loses

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3

Reti: Double Fianchetto

55.6%

9 GamesLow sample·Loses

1.Nf3 Nf6 2.g3 d5

Strengths

AVOID

White

Queen's Gambit Declined

72.2%

18 Games·Wins

1.d4 d5 2.c4 e6

Italian: Giuoco Piano

61.1%

72 Games·Wins

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5

Black

Sicilian: d6 Systems

58.6%

215 Games·Wins

1.e4 c5 2.Nf3 d6

Catalan

76.2%

21 Games·Wins

1.d4 Nf6 2.c4 e6 3.g3

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors

▶

#57Bxf7??

Endgame

vs Yurasov

Rapid·2025

▶

#30b3??

Tactics

vs Tregubenko

Rapid·2025

▶

#54c5??

Endgame

vs Bardyk

Blitz·2025

▶

#75Kd2??

Endgame

vs Ponkratov

Blitz·2025

▶

#23Qxh6??

Tactics

vs Zverev

Blitz·2025

▶

#81Nf3??

Endgame

vs Truskavetsky

Blitz·2025

▶

#32fxe3??

Tactics

vs Rozum

Blitz·2025

▶

#66Qe5??

Endgame

vs Voskanyan

Rapid·2025

▶

#39Rxh3??

Tactics

vs Matinian

Blitz·2025

▶

#58Bxb1??

Endgame

vs Tatarinov

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

946 Games

54%25%21%

Move	Games	Performance	%
1.e4	797		67%
1.d4	109		64%
1.Nf3	31		68%
1.c4	9		50%

1.e4

67%

797

1.d4

64%

109

1.Nf3

68%

31

1.c4

50%

9

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