Best Flush represents one of the poker variations. The game can be played by 10 players. Each player receives one card face up and one face down. The deal is followed by the bets. Each player is dealt one card face up. Cards are dealt and bets are made until each player has 5 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 Betting Round.