White gave up the bishop pair, but intends to advance his kingside majority fast.
1. e2e4  1... e7e5  2. g1f3  2... g8f6  3. d2d4  3... f6e4  4. f1d3  4... d7d5  5. f3e5  5... b8d7 A solid line, which has been used by the likes of Kramnik and Gelfand, to name a few. 6. e1g1  6... d7e5  7. d4e5  7... e4c5  8. c1e3  8... f8e7  9. f2f4  9... c5d3 