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

d

GM

dr. Balog, Imre

HUN HUN·Born 1991·FIDE #728446·0 Games

Classical25750 Games

Rapid26080 Games

Blitz25680 Games

Play against dr. Balog, Imre's Twin

PRO

Uses their openings, level & style

Practice against a bot that uses their real openings and playing style

Ready to play

0 games analyzed

Statistics

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Wins

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Draws

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Losses

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Deep Analysis

Stockfish 18 · Classical games · 0 analyzed

Clutch Factor — Move accuracy when winning vs. equal vs. losing — does their level drop when the game turns against them?

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Problematic Pieces — Which pieces cause most errors?

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Critical Moment — When does the first serious error occur?

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Error Heatmap — Where do most errors occur?

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Critical Blunders

Tactical errors analyzed with Stockfish

No blunders recorded

Recent Games

0 Games

Repertoire

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