As a policy, we encourage honest use of online chess. It is important to disclose to your opponent on the other side of the board /screen if you have someone helping you on the game. Please do not leave a bitter taste to your fellow club members by hiding such fact. It hurts relationship and cause mistrust.

https://www.chess.com/article/view/chess-com-fair-play-and-cheat-detection

Chess.com Fair Play And Cheat-Detection‎

Updated: Jul 11, 2018, 3:22 PM|

337|Chess.com Help

Cheating in chess is a serious issue. The issue is magnified online, where there is no arbiter to physically observe play. Chess.com takes fair play and cheat-detection very seriously, and we have since our founding.

What we do? Testimonials

Who has confessed? Meet the team!

We understand how frustrating cheating can be for our members. That's why we have invested so heavily in our system to catch cheaters. We draw a large crowd of players who want to cheat on the biggest stage. As the host of many online cash-prize events, we've improved our system even further to ensure quality, clean games by players to a level of accuracy making online play as safe from cheating as in-person chess.

We will continue to invest in our fair-play systems to provide our members the best chess experience online.

Chess.com's fair-play system is thorough, complex and rigorously verified by more than eight years of data from millions of games played by our own members online. Our system gathers and reviews different types of data and other information pulled automatically (and manually) from all member games.

We load these games into a tool that provides the probability that a given player is playing cleanly or with the assistance of a computer engine. Before any accounts are closed, all reports are thoroughly reviewed by a team of specialists who have reviewed and closed thousands of accounts in their roles as Chess.com statisticians.

Though legal and practical considerations prevent Chess.com from revealing the full set of data, metrics, and tracking used to evaluate games in our fair-play tool, we can say that at the core of Chess.com's system is a statistical model that evaluates the probability of a human player matching an engine's top choices, and surpassing the confirmed clean play of some of the greatest chess players in history.

Below you will find testimonials by some of the world's most well-known grandmasters and online chess public figures. All those listed (as well as others not listed) were given a multi-hour course on Chess.com's fair-play system, and signed a non-disclosure agreement to protect the details of our cheat-detection methods.

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