Fifty50 tournaments are events with a 50/50 payout structure. Half the players win prize money, so they end when half the players have been eliminated.
Regarding the distribution, winners will first equally share half of the prize pool, essentially getting their original buy-in back.
The remaining 50% of the prize pool will also be split among the winners, but this distribution will be based on their chip count at the end of the tournament. The more chips you have accumulated, the more money you will win.
Let's say you participate in a 10-player Fifty50 Sit & Go with a buy-in of 10, resulting in a total prize pool of 100. You finish in the top 5 with 7,500 chips (50% of the chips in play). You receive 35. Here is the formula:
To find these tournaments, from the main lobby: