A80: Dutch Defence: Unusual White second moves

1. d4 g6 1... Nf6 2. Nf3= 2. Nf3 f5 2... Nf6 3. e3+/= 3. Nc3 Nf6 4. Bf4 c6 Covers b5+d5 5. Be5 5. e3 Bg7+/- 5... Bh6 6. h4 O-O 7. Bxf6 exf6 8. e3 Controls f4 8... d5 8... Qb6 9. Na4 Qa5+ 10. Nc3= 9. Bd3 9. Qd2 Be6+/= 9... a5 9... Re8 10. h5 g5 11. O-O= 10. a4 10. Qd2 Na6+/= 10... Qb6 Black threatens to win material: Qb6xb2 11. Rb1 Na6 12. Na2 f4 13. h5 g5 14. exf4 White has new doubled pawns: f2+f4 14... g4 Black threatens to win material: g4xf3. 15. Nh4 f5 16. Nxf5? >= 16. c3= is a viable option 16... Rxf5-+ 17. Bxf5 >= 17. Qxg4+ Rg5 18. Qh4 Rxg2 19. Kf1-+ 17... Bxf5 18. O-O Bxf4 19. Re1 Rf8 20. c3? 20. g3 Bd6 21. Qd2-+ 20... Qc7 21. b4 21. Ra1 doesn't get the bull off the ice 21... Bh2+ 22. Kh1 Bd6-+ 21... Bh2+ 22. Kh1 Bxb1 22... >= Bd6 and the rest is a matter of technique 23. bxa5 Qf7 24. g3 Qxh5+ 25. Kg1-+ 23. Qxg4+ Kh8 24. Rxb1 Rxf2 25. Re1 Rf8 26. b5 26. bxa5 a fruitless try to alter the course of the game 26... Bd6 27. Nc1 Qe7-+ 26... Qg3 27. Qe6 27. Qxg3 does not help much 27... Bxg3 28. Rd1 cxb5 29. axb5 Nc7-+ 27... Qh4 27... Qh4 28. Ra1 Bd6+ 29. Qh3 Qf2-+ 27... Nc7 and Black can already relax 28. Qe5+ Qxe5 29. dxe5-+ 0-1 [Fritz 9 (5s)]