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

Sai Krishna G V

CAN CAN·Born 1996·FIDE #5028280·1,014 Games

Classical2454989 Games

Rapid23957 Games

Blitz240118 Games

Statistics

1014

Total

510

Wins

199

Draws

304

Losses

50%20%30%

Play Style

What you need to know before facing them

Elite accuracy: 92.5% average

Plays 2.2% better with black

High resilience (67%): Dangerous even when losing

Solid conversion: 89%

Very precise: only 0.1 blunders/game

Dominates 1.Nf3 ♔ (75% in 61 games)

Vulnerable to 1.g3 ♔ (only 44%)

Deep Analysis

Stockfish 18 · Classical games · 112 analyzed

Accuracy by phase

Opening96.4%

Middlegame93.1%

Endgame95.2%

Clutch Factor

Performance under pressure

+1%

Winning (+2 or more)92%

52 Games

Equal position95%

39 Games

Losing (-2 or more)91%

21 Games

Problematic Pieces

Which pieces cause most errors?

♖

22%

23 errors

♞

19%

20 errors

♕

17%

18 errors

♙

16%

17 errors

♗

15%

16 errors

♔

11%

12 errors

Critical Moment

When does the first serious error occur?

Move 36average

1-15

16-25

26-35

36-45

46+

43% of blunders occur between move 26-35. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

3

5

5

3

3

4

3

3

6

4

abcdefgh

Many

Few

Critical squares

e26 err

e55 err

f55 err

e14 err

f34 err

e2/e5 concentrate most errors. Force decisions in those zones.

Recent Games

W

Vingris,Mikelis2317

Titled Tue 26th May 2026 · 26 May 2026

1-0

L

Bozorov, Javohir2237

Titled Tue 26th May 2026 · 26 May 2026

0-1

W

Seccafim, Caic dos Santos2031

Titled Tue 26th May 2026 · 26 May 2026

0-1

L

Kosakowski, Jakub2550

Titled Tue 26th May 2026 · 26 May 2026

1-0

L

Smieszek, Wojciech2106

Titled Tue 26th May 2026 · 26 May 2026

0-1

L

Korobov, Anton2612

Titled Tue 26th May 2026 · 26 May 2026

1-0

Openings

Based on player games

Weaknesses

EXPLOIT!

White

No significant weaknesses detected as White

Black

No significant weaknesses detected as Black

Strengths

AVOID

White

Reti: Double Fianchetto

80.0%

10 Games·Wins

1.Nf3 Nf6 2.g3 g6

Sicilian: e6 Systems

64.0%

25 Games·Wins

1.e4 c5 2.Nf3 e6

Black

King's Indian: Saemisch

58.3%

12 Games·Wins

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.f3

Ruy Lopez: Steinitz Deferred

51.1%

47 Games·Wins

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors

▶

#41Rh8??

Endgame

vs Meshkovs

OTB·2026

▶

#32f3+??

Tactics

vs Dai

OTB·2026

▶

#23Nxg4??

Tactics

vs Lenderman

OTB·2025

▶

#42Bb5??

Endgame

vs Barbosa

OTB·2025

▶

#32Nd3??

Tactics

vs Lin

OTB·2025

▶

#27Qd3??

Tactics

vs Kellar

OTB·2025

▶

#50Rc1??

Endgame

vs Anand

OTB·2024

▶

#38Rxd7??

Tactics

vs Liu

OTB·2024

▶

#32Qe7??

Tactics

vs Golis

OTB·2024

▶

#54Kg5??

Endgame

vs Pap

OTB·2024

Endgame Statistics

21 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

505 Games

53%18%29%

Move	Games	Performance	%
1.e4	366		62%
1.Nf3 Strong	61		75%
1.d4	47		57%
1.g3	16		44%
1.Nc3	9		61%
1.b3 Strong	4		75%
1.f4 Weak	1		0%
1.d3 Weak	1		0%

1.e4

62%

366

1.Nf3

75%

61

1.d4

57%

47

1.g3

44%

16

1.Nc3

61%

9

1.b3

75%

4

1.f4

0%

1

1.d3

0%

1

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