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The market has been flooded with them for years. They have various mechanisms for fighting them like mouse detection and scanning your computer for various prog

• SamBam 10y ago
  Like using a chess computer, it seems that there would be no way to protect against someone who relays the cards to a separate machine, and then enters the bids by hand on their own computer.
  • Tenoke 10y ago
    Actually, there are - most(all?) of the popular algorithms play in somewhat specific ways that are somewhat detectable (or at least flaggable).
  • maaaats 10y ago
    Somewhat easy to detect a human using a computer, by comparing to what the computer would do, the rating of the player and the usual play of the player. However, a chess professional would be able to use a chess computer almost undetected, as they know what would look like "computer moves", but could use it to just choose the best of their own suggested moves.
  • throw_away_777 10y ago
    There are ways to detect cheating on chess websites, though these methods are not perfect. The two main signatures are: 1) Playing moves that the engine recommends consistently. This looks for people who are inhumanly good, even the top chess players in the world regularly deviate from engine suggestions. 2) Time between moves always takes a minimum threshold, the time needed to relay the position to the engine. Humans vary wildly in the time thought based on the position, in a way that cheaters do not. Neither of these detection methods are perfect, especially for small numbers of games. I don't think we will see large prizes for on-line chess tournaments because of possible cheating.