1. e3 d6 2. f4 e5 3. fxe5 dxe5 4. Nc3 Bd6 5. e4 Be6 6. Nf3 f6 7. d3 Ne7 8. Be3 c5 9. Qd2 Nbc6 10. Be2 Nd4 11. O-O O-O 12. Nd1! Keep an eye on this knight 12... Nec6 13. c3 Nxe2+ 14. Qxe2 Re8 Nimzowitsch was renown for his mysterious rook moves, which are well explained in his book "Mein System". It should discourage the opening of the e-file. 15. Nh4 Bf8 16. Nf5 Kh8 17. g4 Qd7 18. Nf2 a5 19. a3 b5 20. Rad1 Rab8 21. Rd2 b4 22. axb4 axb4 23. c4 Ra8 24. Qf3 Ra2 25. g5 g6 26. Ng4!! Here it is again, the brave knight. Both knights will be sacrificed for only two pawns, but white obtains an irresistible attack. 26... gxf5 27. Nxf6 Nd4 28. Qf2 Qc6 29. Nxe8 Qxe8 30. Bxd4 exd4 31. exf5 Bd7 What now follows is a successful siege of the black defensive position 32. Re1 Qf7 33. Qh4 Ra8 There is no salvation in 33... Qxf5 34. Rf1 or 33... Bxf5 34. Rf2 34. Rf2 Bc6 35. Qg4 Re8 36. Rxe8 Qxe8 37. Re2 Qf7 38. Re6 Ba8 39. g6 hxg6 40. Rxg6 Qh7 No help is 40... Bg7 41. Qh4+ Kg8 42. f6! 41. Qg3 Qh5 42. Rg4 and black resigned. 1-0