Alternately known as brash, emotional and brilliant, the maverick Kasparov could be a formidable opponent in the realm of politics.
Kasparov was a hard opponent to beat.
( z1 hard :ARG1 ( z2 beat :ARG0 ( z3 person :name ( z4 name :op "Kasparov" ) ) :ARG1 ( z5 person :ARG0-of ( z6 oppose ) ) ) )