9 man Cardiff go down at Loftus Rd
Joe Ledley was sacraficed for Gabor Gyepes to come on to partner Roger Johnson.
Chopra played up front with Eddie Johnson in a new look strike partnership.
The 10 men were looking good for at least a point until Gavin Mahon headed in a Peter Ramage cross. 5 mins later and Miguel Comminges became City's second player booked after talking his way off the field. Comminges was booked for a foul then given a 2nd yellow for dissent straight after.
Dave Jones was spitting feathers at the end with a tirade against the officials.