<Tr> <Td> 2009--10 </Td> <Td> Champions League </Td> <Td> Group D </Td> <Td> Porto </Td> <Td> 1--0 (H) 1--0 (A) </Td> </Tr> <Tr> <Td> APOEL </Td> <Td> 1--0 (A) 2--2 (H) </Td> </Tr> <Tr> <Td> Atlético Madrid </Td> <Td> 4--0 (H) 2--2 (A) </Td> </Tr> <Tr> <Td> Round of 16 </Td> <Td> Internazionale </Td> <Td> 1--2 (A) 0--1 (H) </Td> </Tr>

How many champions league semi finals have chelsea been in