1. d2d4  1... d7d5  2. c2c4  2... e7e6  3. c4d5  3... e6d5  4. b1c3  4... c7c5  5. g1f3  5... b8c6 The Tarrasch Defense, once one of Kasparov's favorite weapons. 6. d4c5  6... d5d4  7. c3a4  7... f8c5  8. a4c5  8... d8a5  9. c1d2  9... a5c5  10. e2e3 The third most popular move. 10... d4e3  11. d2e3  11... c5b4  12. d1d2  12... b4d2  13. e3d2  13... g8e7 