Best Flush represents one of the poker variations. There can be up to ten players in the game. Each player receives one card face up and one face down. After receiving cards players make bets. One more deal follows. Each player receives one card face up. Bets are made until each player has five cards. The last betting round is followed by the showdown. The player who has the strongest hand wins. Only Flushes or Straight Flushes may win. If no one has a Straight Flush, best Flush wins. If no one has a Flush, best Four-card Flush, Three card flush, or Two card flush wins.] Internet Poker Showdown.