1. Account Registration: All participants must have an active account on the Backgammon Galaxy platform (https://www.backgammongalaxy.com/). New users should familiarize themselves with the game mechanics on Backgammon Galaxy, including dice rolling, doubling (Cube), and the absence of a pause feature. 2. Game Format: Each game is a one-on-one match, with two players competing to reach a total of 5 points. 3. Advancement: Winners of each match progress to the next round, while losing players are eliminated from the tournament. 4. Number of players: 4