Marseillais chess Marseillais chess Marseillais chess (also called Double-Move chess) is a chess variant in which each player moves twice per turn. The rules of the game were first published in Marseillais local newspaper "Le Soleil" in 1925. The variant became quite popular in the late 1930s with such chess grandmasters as Alexander Alekhine, Richard Réti, Eugene Znosko-Borovsky, and André Chéron playing it. A player can either move one piece twice or move two different pieces on his turn. Castling is considered a single move. When a player gives check on the first move, he loses the second move of his turn.
Touch-move rule 5...Be7 in reply to 5.d4, not noticing that White actually played 5.d3 attacking his knight. Now compelled to move the bishop, he would lose the knight without compensation, so resigned immediately . If a player wishes to adjust the pieces on their squares without being required to move or capture the piece, the player can announce "j’adoube" (, "I adjust"), or words to that effect in other languages. "J’adoube" is internationally recognised by chess players as announcing the intent to make incidental contact with their pieces. The phrase is used to give warning from a player to their opponent that