1. e2e4  1... e7e5  2. g1f3  2... b8c6  3. f1c4  3... f8c5  4. c2c3  4... g8f6  5. d2d4 A good, old classical line that So analyzed extensively for an online course. 5... e5d4  6. e4e5  6... d7d5  7. c4b5  7... f6e4  8. c3d4  8... c5b6  9. b1c3  9... e8g8  10. c1e3  10... c8g4 The pawn structure now is  very much like the one in the Yates line of the Ruy Lopez. White has a  strong center, but Black's free piece play allows him a chance to  eventually attack and destroy the center.