In other words, the use of assistance in a "critical" situation - the one where everything in the position looks locked but the right move will give one an advantage, whereas the wrong move would result in a lasting disadvantage.
It is possible to "cheat" in these positions? And, if so, can Lichess detect this?
AFAIK lichess doesn't detect anything automatically, if you suspect you've been cheetahed on, you shud report it and then someone will look into the game in question
people can and do cheat in all manner of ways. As said above, if you suspect cheating in any way report it and the game will be analyzed.
@Sneakmasterflex wrote "AFAIK lichess doesn't detect anything automatically..."
Actually it does. I have seen games between humans halted part way through and a win suddenly awarded to one person by Lichess because the other person was cheating!
Correct. This proactive detection seems to always happen 8 moves into the game; this is usually when there is an analysis board position that matches the game board position for the first 8 moves.
So someone is stupid enough to cheat in lichess ans uses Lichess analysis board for it? How they think thet coudl get away with it
Sometimes my opponents take a very long time at a particular position where nothing is forced and there are many options, so long that I do wonder if they have put the position into an engine...but when they come back they play just as crap as before...and probably still beat me.
It is absolutely impossible, to tell after one move, that the player was cheating. Frequently, we make the best move for wrong reasons.
But:
If a player uses the help of an engine over many games in critical situations, then this can be detected. And I believe, it will.
#1 Maybe, I don't know.
It depends. There just isn't enough manpower nor computing power to check all games, at least
chess.com is said to check MOSTLY games where both players are +2100 in rating
