For circuit events, you must buy in for at least the minimum amount of $25 (5,000 Reward Credits). Every 2,000 Reward Credits will get you $10 in buy-in amount. The amount of Reward Credits needed to play in an event varies depending on the buy-in. How many Reward Credits does it take to play in an event? Hopefully they will answer the questions you have. Then, just present your voucher when you register. To redeem Reward Credits to buy in to WSOP tournaments & events, visit the Caesars Rewards Center to receive a buy-in voucher. You will automatically receive your Reward Credits once the event closes, typically on the day following your registration. You will need a Caesars Rewards card when you buy into the WSOP® event of your choice. Earn on all WSOP® event & tournament poker play at the Paris Las Vegas Hotel & Casino and Horseshoe Las Vegas Hotel & Casino (excluding Single Table Satellites).