4 player chess - indirect checkmate?

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the_bungi

Hey,

I was just curious about the rules of 4 players chess. Let's say one player check the other in such a way that checked player can not interpose any piece but he CAN move to a different square. Then another player takes this flight square away from said player. Who will be awarded 20 points for a checkmate ? The person that actually checked the other player or the person that took away the flight square?

Best regards,

bungi

Mintybub

The person who checked gets the point