1. e2e4  1... e7e5  2. g1f3  2... b8c6  3. f1b5  3... a7a6  4. b5a4  4... g8e7 One of the advantages of playing the Ruy Lopez as Black is that there is a wide variety of lines to choose from, making it possible to vary even at the elite level. In this system, Black wants to place the knight on g6, contrary to some rules of opening play, since the knight moves more than once and is not even that good on g6, certainly not better than on f6. But after analyzing with the computer, almost anything can be played. 5. e1g1  5... e7g6  6. c2c3 [%c_effect c3;square;c3;type;Inaccuracy;persistent;true] This, it seems, is not the best way to fight for an opening advantage against a well-prepared opponent. 6... d7d5 [%c_effect d5;square;d5;type;GreatFind;persistent;true] An accurate and computer-approved reply. 7. e4d5  7... d8d5 With the pawn on c3 the queen is not so bad on d5, since the knight cannot attack it. 8. a4b3  8... d5d3  9. b3c2  9... d3d6 