+p
+ | Everything goes as in
+ a(href="/#/variants/Synchrone1") Synchrone1
+ | variant, but after each pair of synchronous moves (resolving as
+ | usual), both players may decide to capture the enemy unit just moved.
+ | The capturing move must be legal according to the previous board situation.
+ | If you would rather (or cannot) achieve such a capture, pass by playing
+ | any of your piece onto your king, or your king on the enemy king.