Taxes for Swedish citizens

If the poker room is operating with a EU gambling license, there are no taxes. If the poker room has there license outside Europe you have to pay taxes on your profits.

Taxes for European citizens

If the poker room is operating with a EU gambling license, there are no taxes. If the poker room has there license outside Europe it is not clear if the profits are tax-free or not.

Taxes for US citizens

You shuld pay taxes on your online poker winnings. Even though there are unresolved questions about if playing poker online is legal or not.