They're some interesting rules
Chess in School- made up rules

A friend of mine in primary school said the king moves: "one-two-skip-a-few-99-one-hundred, so basically 8 spaces in one move".
Im working as a chess coach atm, so I hear plenty of these strange rules, one was that this kids grandpa had told him he could play both his e and d pawns fowards in one move. The kid didnt believe me that you couldnt because his grandpa had been playing for like 60 years and therefore was very good lol.
Haha, nice thread.
I can only think of obvious ones, like kids thinking stalemate wins. And also kids who thought threefold repetition meant that it was a draw if they move back and forth 3 times, regardless of what the opponent plays.
Oh and don't even bother taking pawns en passant against young kids.
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I learned how to play chess by my older brother when I was about 6 or 7 years old. Since then I have noticed that when I tryed to play chess when some of the kids in school, the way they leared was... different.
Now that I am 17 I know what the official rules are and they are exactly the way my brother taught me to play. Throughout school, though, everyone has at least one "rule" that is considered illegal, that I have never seen before. You'd think that everyone would just be taught or be confused over one different rule, but instead it's like people have just made up their own rules.
For example, when I was in my third year of school another student was convinced that you could not move the pawn forward two moves. Also the pawn could only move forward and take foward.
Another "rule": The king can not take another piece while in check.
Fake rule # 3: The knight can not 'jump' over enemy pawns. A bishop can not move between two pawns diagnolly (even if there is space)
Every person I ever tried to play chess with in school has had these illegal rules. So I want to ask is this common and what made up rules have you seen while playing with people over the table