Mexican Railroad Dominoes Game

Mexican Dominoes are played in multiple rounds with the goal of scoring at the end of all rounds to win. Each round begins with a double elimination. The first round starts with [6-6]. Successive rounds begin with the next lower double ([5-5], [4-4], etc.). At the beginning of the round, the leading double is taken out and placed in the center. Each player receives 5 tiles from the remaining tiles. The player who gets the highest tile starts the round. Each player has a personal train in Mexican Railroad Dominoes. One additional train (called a Mexican train) is also available to all players. A player can only play one plate if it is not a double. A player must play one extra tie if he/she plays a double. He/she must be covered at the open end by a plate. A player played in a doubles tournament is allowed to play an extra tie for any other participant (open player to play), but subsequent players must first play the tie on the double if it has not been closed. This may only be unmarked if the player draws a token again for his personal train. Once unmarked, it becomes unplayable again to other players. A player does not have to play an extra plate at the end of the double. Each player receives the total number of points in their hand.