1. d2d4  1... g8f6  2. c2c4  2... e7e6  3. g1f3  3... d7d5  4. b1c3  4... c7c5  5. c4d5  5... f6d5 The Semi-Tarrasch  Defense is a common guest now at top tournaments. Despite the obvious  danger of Black being checkmated on the kingside, the computer-backed  defenders often employ it, relying on the clarity of their computer  analysis. 6. e2e4  6... d5c3  7. b2c3  7... c5d4  8. c3d4  8... f8b4  9. c1d2  9... b4d2  10. d1d2  10... e8g8  11. f1c4  11... b8d7  12. e1g1  12... b7b6  13. a1d1  13... c8b7  14. f1e1  14... a8c8  15. c4b3  15... f8e8  16. e1e3 