If you want to place a bet on a real-time sporting event, you’ve got to be aware of the rules of official betting. Whether you’re betting on soccer, basketball or football, a game of chance can make a huge difference in the outcome. And even if you know the ins and outs of your sport, you still have to factor in the unexpected — like a missed penalty or a freak bounce.

The NHL’s collective bargaining agreement prohibits players and those working for the league from placing wagers on any NHL game. This rule also applies to games played at team facilities and when the team is on the road. However, the CBA does allow players to gamble on non-NHL events.

Baseball teams experience a lot of shortened and suspended games due to weather. In these cases, bets are only considered official if the game lasts for at least 5.0 innings or 4.5 innings if the home team is winning. Typically, moneyline bets will pay out if the game is called during this time frame.

The nba playoffs are a great time to try your hand at picking the winner of a particular round of play. This bet type is available at many online sportsbooks. However, be sure to check the terms and conditions of each site before making your bet. Some sites may require you to sign up for an account to be eligible to place a bet. Others may only accept bets from certain states, such as Massachusetts.