Founded in the 18th century in the USA, poker is a card game in which the best hand wins. According to Britannica, the rules of each game differ, but the aim of each player is to have the right combination of five cards. The winner is usually the player who calls the bet, and can match it. A player also can raise or concede the bet as explained here at Rebel Betting.
Raising the bet
Players can raise their own bet, or that of another player. Each player will try to either match the new bet, or raise it again. Bluffing is a major part of the game, since a player can pretend to have a certain bet value. If a player doesn’t match that bet with the cards eventually, then he loses the game. However, if no other player calls a bet, then the player who placed the bet wins regardless. Players can concede the game, if they are unable to win.
Poker and sports betting
Poker is the source of modern sports betting. All the bets placed by each player go into a so called pot. The winner carries everything away. Sports betting has evolved in other games over time.