FatFork proved that 1xBit and 1xBet are the same company:
https://bitcointalksearch.org/topic/m.58106716
1xbet in Spain, 1xbet.es only accepts deposits in fiat currency, it doesn't handle cryptocurrencies, so I don't think what FatFork says is proof that they are a scam.
1xbet.es, the sponsor of Barcelona, is not a casino scam.