Cheating detector

Lichess Cheating Probability (Experimental)

How to use
  1. Open the game on Lichess and click Analysis board.
  2. Click Request a computer analysis and wait until it completes.
  3. Copy the game URL and paste it below, then click Analyze.
Note: Only Rapid/Classic games with ≥5 minutes initial time are analyzed.
Metric explanations

Why Cheating in Chess is a Bad Idea

Chess is a duel of minds. Winning feels best when it’s your thinking that does it!

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What is Cheating in Chess?
  • Using a computer or app to tell you moves during a game.
  • Getting secret help from someone else.
  • Doing tricky things to confuse an opponent or break rules.
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Why It’s Not Fair
  • Both players must follow the same rules.
  • Cheating breaks trust and makes others feel bad.
  • Fair play is how everyone has fun.
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It Doesn’t Show Your Real Level
  • If a computer plays for you, the moves aren’t yours.
  • You can’t tell how strong you really are.
  • Real progress = real thinking.
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You’ll stop improving
  • You’ll stop learning and getting better
  • You’ll just enjoy the few wins as long as they last
  • Others will get ahead the normal way: by studying and learning
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You’ll Get Caught (and It’s Embarrassing)
  • Moves that are too perfect look suspicious.
  • Sudden huge rating jumps raise questions.
  • Online tools can detect unusual play patterns.

Your reputation matters—protect it by playing fair.

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Cheating Spoils the Game
  • Chess is fun when it’s honest.
  • Trust makes tournaments and clubs enjoyable.
  • Fair games make real friendships.

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