<Dl> <Dd> <Table> <Tr> <Th> Year </Th> <Th> Player </Th> <Th> Country </Th> <Th> Age </Th> </Tr> <Tr> <Td> 1950 </Td> <Td> David Bronstein </Td> <Td> Soviet Union </Td> <Td> 26 years </Td> </Tr> <Tr> <Td> 1952 </Td> <Td> Tigran Petrosian </Td> <Td> Soviet Union </Td> <Td> 23 years </Td> </Tr> <Tr> <Td> 1955 </Td> <Td> Boris Spassky </Td> <Td> Soviet Union </Td> <Td> 18 years </Td> </Tr> <Tr> <Td> 1958 </Td> <Td> Bobby Fischer </Td> <Td> United States </Td> <Td> 15 years, 6 months, 1 day </Td> </Tr> <Tr> <Td> 1991 </Td> <Td> Judit Polgár </Td> <Td> Hungary </Td> <Td> 15 years, 4 months, 28 days </Td> </Tr> <Tr> <Td> 1994 </Td> <Td> Péter Lékó </Td> <Td> Hungary </Td> <Td> 14 years, 4 months, 22 days </Td> </Tr> <Tr> <Td> 1997 </Td> <Td> Étienne Bacrot </Td> <Td> France </Td> <Td> 14 years, 2 months, 0 days </Td> </Tr> <Tr> <Td> 1997 </Td> <Td> Ruslan Ponomariov </Td> <Td> Ukraine </Td> <Td> 14 years, 0 months, 17 days </Td> </Tr> <Tr> <Td> 1999 </Td> <Td> Bu Xiangzhi </Td> <Td> China </Td> <Td> 13 years, 10 months, 13 days </Td> </Tr> <Tr> <Td> 2002 </Td> <Td> Sergey Karjakin </Td> <Td> Ukraine </Td> <Td> 12 years, 7 months, 0 days </Td> </Tr> </Table> </Dd> </Dl> <Dd> <Table> <Tr> <Th> Year </Th> <Th> Player </Th> <Th> Country </Th> <Th> Age </Th> </Tr> <Tr> <Td> 1950 </Td> <Td> David Bronstein </Td> <Td> Soviet Union </Td> <Td> 26 years </Td> </Tr> <Tr> <Td> 1952 </Td> <Td> Tigran Petrosian </Td> <Td> Soviet Union </Td> <Td> 23 years </Td> </Tr> <Tr> <Td> 1955 </Td> <Td> Boris Spassky </Td> <Td> Soviet Union </Td> <Td> 18 years </Td> </Tr> <Tr> <Td> 1958 </Td> <Td> Bobby Fischer </Td> <Td> United States </Td> <Td> 15 years, 6 months, 1 day </Td> </Tr> <Tr> <Td> 1991 </Td> <Td> Judit Polgár </Td> <Td> Hungary </Td> <Td> 15 years, 4 months, 28 days </Td> </Tr> <Tr> <Td> 1994 </Td> <Td> Péter Lékó </Td> <Td> Hungary </Td> <Td> 14 years, 4 months, 22 days </Td> </Tr> <Tr> <Td> 1997 </Td> <Td> Étienne Bacrot </Td> <Td> France </Td> <Td> 14 years, 2 months, 0 days </Td> </Tr> <Tr> <Td> 1997 </Td> <Td> Ruslan Ponomariov </Td> <Td> Ukraine </Td> <Td> 14 years, 0 months, 17 days </Td> </Tr> <Tr> <Td> 1999 </Td> <Td> Bu Xiangzhi </Td> <Td> China </Td> <Td> 13 years, 10 months, 13 days </Td> </Tr> <Tr> <Td> 2002 </Td> <Td> Sergey Karjakin </Td> <Td> Ukraine </Td> <Td> 12 years, 7 months, 0 days </Td> </Tr> </Table> </Dd> <Table> <Tr> <Th> Year </Th> <Th> Player </Th> <Th> Country </Th> <Th> Age </Th> </Tr> <Tr> <Td> 1950 </Td> <Td> David Bronstein </Td> <Td> Soviet Union </Td> <Td> 26 years </Td> </Tr> <Tr> <Td> 1952 </Td> <Td> Tigran Petrosian </Td> <Td> Soviet Union </Td> <Td> 23 years </Td> </Tr> <Tr> <Td> 1955 </Td> <Td> Boris Spassky </Td> <Td> Soviet Union </Td> <Td> 18 years </Td> </Tr> <Tr> <Td> 1958 </Td> <Td> Bobby Fischer </Td> <Td> United States </Td> <Td> 15 years, 6 months, 1 day </Td> </Tr> <Tr> <Td> 1991 </Td> <Td> Judit Polgár </Td> <Td> Hungary </Td> <Td> 15 years, 4 months, 28 days </Td> </Tr> <Tr> <Td> 1994 </Td> <Td> Péter Lékó </Td> <Td> Hungary </Td> <Td> 14 years, 4 months, 22 days </Td> </Tr> <Tr> <Td> 1997 </Td> <Td> Étienne Bacrot </Td> <Td> France </Td> <Td> 14 years, 2 months, 0 days </Td> </Tr> <Tr> <Td> 1997 </Td> <Td> Ruslan Ponomariov </Td> <Td> Ukraine </Td> <Td> 14 years, 0 months, 17 days </Td> </Tr> <Tr> <Td> 1999 </Td> <Td> Bu Xiangzhi </Td> <Td> China </Td> <Td> 13 years, 10 months, 13 days </Td> </Tr> <Tr> <Td> 2002 </Td> <Td> Sergey Karjakin </Td> <Td> Ukraine </Td> <Td> 12 years, 7 months, 0 days </Td> </Tr> </Table> <Tr> <Th> Year </Th> <Th> Player </Th> <Th> Country </Th> <Th> Age </Th> </Tr>

Who is the youngest grand master in chess