 Further , a particular extra move is sometimes more of a liability than an asset . For example , Soltis notes that the Exchange French position arising after 1.e4 e6 <unk> d5 <unk> <unk> <unk> Nf6 " is pretty equal . " The same position , but with Black 's knight moved to e4 , arises in <unk> 's Defense after 1.e4 e5 2.Nf3 Nf6 <unk> d6 <unk> <unk> <unk> d5 . That position offers White better chances precisely because Black 's extra move ( ... Ne4 ) allows the advanced knight to become a target for attack . 
