Black has achieved good control of the center and has a comfortable position.
1. e2e4  1... e7e5  2. g1f3  2... b8c6  3. f1b5  3... g8f6  4. d2d3  4... f8c5  5. b5a4 A mysterious move, played by several strong grandmasters, including the ultimate boss, Magnus Carlsen. The idea isn't simple to understand. I suppose White is anticipating the move a6, but I also don't know why it matters if Black plays this move anyway or what the big advantage is in preventing it. In any case, this is yet another of the many attempts to surprise Berlin Defense players. 5... d7d6  6. e1g1  6... e8g8  7. c2c3  7... c6e7 The typical knight maneuver to g6. 8. c1e3 I've found just one game in my database with this move, and it dates back to 1895. There's a reason for this: it makes Black's life easy. 8... c5e3  9. f2e3  9... e7g6  10. b1d2  10... c7c6  11. d1e1 