You need to pay tax on your poker winnings. But it's not applicable in many countries. In my own ountry, we don't pay tax on gambling winnings but in the U.S, gambling winnings are considered taxable income. This tells you that gambling rules vary in different countries.
But, for big games, they're usually held in casinos, which will issue a cashout receipt that the IRS gets notified of if it's above a certain amount... so definitely claim that.
But, for big games, they're usually held in casinos, which will issue a cashout receipt that the IRS gets notified of if it's above a certain amount... so
Unless it's a private game behind closed doors. Nobody has to know. Just don't tell anyone how you got so rich, if you could make your way into behind-the-wall games with huge pots like that...