 However , Georgiev and Kolev 's pessimistic assessment of 6.Bg5 has since been called into question , as White succeeded with 10.e5 ( another critical line ) in several later high @-@ level games . GM Zaven Andriasyan wrote in 2013 that after 10.f5 , " a forced draw results " , but that after 10.e5 , " we reach a very sharp position , with mutual chances . " 
