The simple reason that hockey leagues remove players from the ice in overtime is to create more chances. More space leads to more goals, and usually the game ends quicker in 3-on-3 than in 5-on-5. But ...

The NHL has been using 3-on-3 (changed from 4-on-4) in the regular season since 2015-16.

Just as in the NHL, if an Olympic game is tied after 60 minutes, there will be overtime and a possible shootout. But there are differences in rules.

All of the round-robin games on the men's and women's sides follow NHL rules: 5 minutes of 3-on-3 OT, followed by a shootout. One change is that the shootout is five rounds at a minimum, whereas the ...