What country of origin does Alexei Tikhonov and Maria Petrova have in common?
Maria Petrova (figure skater) Maria Igorevna Petrova (Russian: Мария Игоревна Петрова ; born 29 November 1977) is a Russian pair skater. With partner Alexei Tikhonov, she is the 2000 World champion and a two-time (1999, 2000) European champion.
Petro Kharchenko Petro Kharchenko (Ukrainian: Петро Харченко , also known as Petr Kharchenko; born 2 March 1983) is a Ukrainian former pair skater. With Tatiana Volosozhar, he won four medals on the ISU Junior Grand Prix series and became the 2004 Ukrainian national senior champion. The pair placed seventh at the 2003 European Championships.