 However , Georgiev and Kolev 's pessimistic assessment of 6.Bg5 has since been called into question , as White succeeded with <unk> ( another critical line ) in several later high @-@ level games . GM <unk> <unk> wrote in 2013 that after <unk> , " a forced draw results " , but that after <unk> , " we reach a very sharp position , with mutual chances . " 
