Claim: Effrosyni Sfyri, a Greek beach volleyball player, and partner Vasso Karantasiou lost in the 2000 Summer Olympics but won the European Championships a year later.
Evidence: Effrosyni "Efi" Sfyri (Greek: Ευφροσύνη "Έφη" Σφυρή; born January 8, 1971 in Athens) is a Greek beach volleyball player. Vasiliki "Vasso" Karantasiou (Greek: Βασιλική (Βάσω) Καραντάσιου, also transliterated Karadassiou; born January 6, 1973) is a female beach volleyball player from Greece, who won the gold medal at the 2005 European Championships in Moscow, Russia, partnering Vassiliki Arvaniti. At the 2000 Summer Olympics, Karantasiou and Sfyri have already lost in their debut against Laura Bruschini and Annamaria Solazzi, from Italy. A year later, they won the European Championships in Jesolo, near Venice, Italy.