ChessCheaterDetector.com

Was this game unusually engine-like?

Upload a chess game and get an objective statistical analysis of its moves.

ChessCheaterDetector analyzes the moves in a chess game using Stockfish and statistical models to identify unusually engine-like play. It does not claim to prove that a player cheated.

Results indicate statistical anomalies and should not be treated as proof of cheating.

Example

Engine Assistance Likelihood

High78%
Suspicious moves
7
High-complexity positions
4
Engine agreement
94%
Average centipawn loss
18
Expected accuracy
76%
Observed accuracy
93%

This is illustrative data only.

The pipeline

01

Parse

Your PGN is read into positions, players, ratings and results.

02

Engine

Every position is scored by the analysis engine on the server.

03

Features

Centipawn loss, engine agreement and position complexity per move.

04

Detector

A statistical model turns those features into a suspicion profile.

Results indicate statistical anomalies and should not be treated as proof of cheating.