The website, which has been blocked in Hungary, has already “predicted” victories for Donald Trump and Péter Magyar. At the top of his list was Tamás Sulyok, then Hungary’s president. Hungary is a parliamentary republic: power rests with the prime minister rather than the president. On an online betting platform where you can wager on almost anything, why should Hungary’s next president be any different? Sándor Palace: the official residence of the Hungarian President in the Buda Castle.