What does double-check mean in four-player chess on chess.com

The rule says: Delivering a double-check is worth +5, and triple-checks are worth +15 Is a double check when I am checking two players at one move checking one player with a normal double check

Double Check - Chess Terms

Four Circular Chess – Green Chess

4-Player-Chess - Chess Club

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How Do you play against people who just create a closed position and pawnstorm you? : r/chess

Check mates: how chess saved my mental wellbeing, Chess

White to move. This position is a win in lichess, draw in chess.com. : r/ chess

CHESS BOARD SET: A twist on the classic game of chess for 2-4 players. This chess set is great for more advanced seasoned players who are up for a

WE Games Four Player Chess Set, Chess Board for Team Chess, Combination Chess Game for Up to 4 Players, Unique Chess Sets for Adults and Kids, Roll Up

What is double check in chess? - Quora

What Do the Numbers and Bars Mean Next to Each Move - Chess Forums - Chess. com