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  6... a5b6  7. f4c1 Yes, this is the main line. And no, White is not setting up the pieces for a new game.