This obvious move is a novelty and was played after lengthy thought.
1. e2e4  1... e7e5  2. g1f3  2... g8f6  3. f3e5  3... d7d6  4. e5d3 One of the many attempts to get \"a game\" against the Petroff. 4... f6e4  5. d3f4  5... d6d5  6. d2d4  6... f8e7  7. f1d3  7... e8g8  8. e1g1  8... e4f6  9. h2h3  9... f8e8 