 Fantunes

In the game of contract bridge Fantunes is a natural bidding system initially developed Carlos Mosca and popularized by Fulvio Fantoni and Claudio Nunes - two players that were later found to be cheating and were banned from play by many bridge federations

The Fantunes system differs in approach from other bidding systems used by world class bridge players.Opening bids of one and two of a suit are stronger than in most systems, with one level suit openings natural and forcing one round, and constructive two-level openings.