All of this has been  played recently as well. After some thought Anand uncorked a novelty.
1. d2d4  1... g8f6  2. c2c4  2... e7e6  3. b1c3  3... f8b4  4. f2f3  4... d7d5  5. a2a3  5... b4e7  6. e2e4  6... d5e4  7. f3e4  7... c7c5  8. e4e5  8... f6d7  9. d4c5  9... d7e5  10. d1d8  10... e7d8 