| Ratings 
 
 
  | Year | Rank | Edo | Dev. | Games |  
  | 1850 | 114 | 2107 | (127) | 1 |  
  | 1851 | 114 | 2119 | (123) | 0 |  
  | 1852 | 104 | 2131 | (118) | 0 |  
  | 1853 | 111 | 2143 | (113) | 0 |  
  | 1854 | 111 | 2155 | (108) | 0 |  
  | 1855 | 115 | 2168 | (102) | 1 |  
  | 1856 | 124 | 2183 | (97) | 12 |  
 
Rating table notes
 | 
| Biographical data |  | 
   | Name: Franz, Robert |  | Also known as: Dr. Franz |  
   | Born: 10 May 1822 |  
   | Died: 19 Jan. 1885 |  |  |  |  
   | References |  | 
| Books |  
   | Gaige, Chess Personalia, page 126 |  
   | Lange and Falkbeer, Paul Morphy Sketch, page 312, 313 |  
   | Renette and Zavatarelli, Neumann, Hirschfeld and Suhle, page 13, 372 |  | Periodicals |  
   | [BLL], 23 Sep. 1860, page 1 |  
   | [CMNY], vol. 2, no. 11, Nov. 1858, page 322 |  
   | [CPC], vol. 1, no. 11, Nov. 1859, page 323 |  
   | [CPM], vol. 1, no. 6, Dec. 1863, page 162 |  
   | [IZL], vol. 49, no. 1264, 21 Sep. 1867, page 200 |  
   | [MaSZ], vol. 1, no. 4, Apr. 1849, page 53 |  
   | [NBSZ], vol. 2, no. 4, Apr. 1865, page 117 |  
   | [Reg], vol. 1, no. 4, Apr. 1849, page 125 |  
   | [Reg], vol. 2, no. 6, June 1850, page 174 |  
   | [Reg], vol. 2, no. 11, Nov. 1850, page 339 |  
   | [Reg], vol. 3, no. 5, May 1851, page 135 |  
   | [Reg], no. 10, 15 Oct. 1856, page 294 |  
   | [Sis], vol. 5, no. 5, May 1851, page 155 |  
   | [ST], no. 1839, 18 July 1858, page supp.3 |  
   | [Str], vol. 6, no. 5, 15 May 1873, page 149 |  
   | [SZ], vol. 3, no. 7, July 1848, page 284 |  
   | [SZ], vol. 4, no. 1, Jan. 1849, page 4, 6 |  
   | [SZ], vol. 5, no. 3, Mar. 1850, page 145 |  
   | [SZ], vol. 5, no. 6, June 1850, page 224 |  
   | [SZ], vol. 6, no. 1, Jan. 1851, page 14 |  
   | [SZ], vol. 8, no. 2, Feb. 1853, page 67 |  
   | [SZ], vol. 13, no. 7, July 1858, page 295 |  
   | [SZ], vol. 17, no. 3, Mar. 1862, page 78 |  
   | [SZ], vol. 22, 1867, page cover |  
   | [SZ], vol. 24, 1869, page cover |  | Web |  
   | Sericano, C.  [Berlin 1856] |  
   | Spinrad, Jeremy P.  [Collected results, 1836-1863] |  |  |