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

Decode anyFIDE player.

Analyze over 11 million games from FIDE tournaments and online platforms.

Try these players:

1.7M+

FIDE players

With full opening repertoires

11M+

OTB Games

Deeply analyzed with Stockfish

125+

Years of history

From Morphy to Gukesh

Chess Stalker PRO

...Or learn from the Immortals

Analyze world champions and the greatest players in history. Study their openings, weaknesses and style.

18World Champions

52Players

170K+OTB Games

PRO exclusive feature

Unlock full analysis of all classic players and chess legends.

Pre-Classical

3

Classical Era (1886–1946)

13

Soviet Era Champions

9

Soviet Era Legends

9

Modern Champions

5

Modern Legends

7

Current Elite

6

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