1. d2d4  1... g8f6  2. c1g5 The Trompowsky. A few years back it was in the spotlight, with all the top GMs rushing to invent something new in it. Then came the London... 2... f6e4  3. g5f4  3... c7c5  4. f2f3  4... d8a5  5. c2c3  5... e4f6  6. d4d5 