Ratings 
  
  | Year       | 
  Rank   | 
   Edo    | 
  Dev.   | 
  Games  | 
 
  | 1867  | 
  36  | 
  2419 |  (101) |   4 | 
 
  | 1868  | 
  55  | 
  2382 |  (102) |   0 | 
 
  | 1869  | 
  71  | 
  2346 |  (103) |   0 | 
 
  | 1870  | 
  86  | 
  2309 |  (103) |   0 | 
 
  | 1871  | 
  108  | 
  2272 |  (102) |   2 | 
 
  | 1872  | 
  123  | 
  2256 |  (104) |   0 | 
 
  | 1873  | 
  137  | 
  2240 |  (105) |   0 | 
 
  | 1874  | 
  140  | 
  2224 |  (106) |   0 | 
 
  | 1875  | 
  162  | 
  2208 |  (106) |   0 | 
 
  | 1876  | 
  175  | 
  2192 |  (105) |   0 | 
 
  | 1877  | 
  180  | 
  2176 |  (104) |   0 | 
 
  | 1878  | 
  201  | 
  2160 |  (103) |   0 | 
 
  | 1879  | 
  208  | 
  2144 |  (100) |   5 | 
 
  | 1880  | 
  237  | 
  2140 |  (98) |   0 | 
 
  | 1881  | 
  265  | 
  2136 |  (95) |   2 | 
 
  | 1882  | 
  269  | 
  2139 |  (94) |   0 | 
 
  | 1883  | 
  288  | 
  2142 |  (91) |   0 | 
 
  | 1884  | 
  305  | 
  2145 |  (88) |   0 | 
 
  | 1885  | 
  298  | 
  2148 |  (83) |   0 | 
 
  | 1886  | 
  301  | 
  2151 |  (77) |   0 | 
 
  | 1887  | 
  300  | 
  2154 |  (68) |   18 | 
 
  
Rating table notes
 
 | 
| Biographical data |  
   | Name: Cordel, Oskar   | 
 
   | Born: 18 Dec. 1843 | 
 
   | Died: 14 May 1913 | 
 
|   |  
   | Notes: | 
 
   | The 31 Aug. 1867 issue of Bell's Life in London (p.9) has 'Corbel'. The 12 Jun. 1868 issue of the Philadelphia Daily Evening Bulletin has 'O. Cordell'. | 
 
  |  
|   |  
   | References | 
 
| Books |  
   |    Gaige, Chess Personalia, page 76 | 
 
   |    Hooper and Whyld, Oxford Companion (1st ed.), page 79 | 
 
   |    Renette and Zavatarelli, Neumann, Hirschfeld and Suhle, page 260, 371 | 
 
| Periodicals |  
   |    [BLL], 20 Feb. 1864, page 2 | 
 
   |    [BLL], no. 2367, 31 Aug. 1867, page 9 | 
 
   |    [BLL], no. 2384, 28 Dec. 1867, page 10 | 
 
   |    [BLL], no. 2630, 26 Nov. 1870, page 9 | 
 
   |    [BLL], no. 2665, 29 July 1871, page 12 | 
 
   |    [BLL], no. 2720, 17 Aug. 1872, page 11 | 
 
   |    [CPM], vol. 1, no. 5, Nov. 1863, page 152 | 
 
   |    [CW], vol. 2, no. 1, Mar. 1866, page 12 | 
 
   |    [CW], vol. 2, no. 7, Sep. 1866, page 211 | 
 
   |    [CW], vol. 2, no. 12, Feb. 1867, page 370 | 
 
   |    [DSZ], vol. 27, no. 1, Jan. 1872, page 9 | 
 
   |    [Era], vol. 30, no. 1521, 17 Nov. 1867, page 7 | 
 
   |    [ILN], vol. 46, no. 1319, 10 June 1865, page 563 | 
 
   |    [ILN], vol. 47, no. 1346, 9 Dec. 1865, page 571 | 
 
   |    [IZL], vol. 58, no. 1488, 6 Jan. 1872, page 20 | 
 
   |    [NBSZ], vol. 1, no. 2, Feb. 1864, page 51 | 
 
   |    [NBSZ], vol. 1, no. 6, June 1864, page 179 | 
 
   |    [NBSZ], vol. 2, no. 4, Apr. 1865, page 108 | 
 
   |    [NBSZ], vol. 3, no. 1, Jan. 1866, page 17 | 
 
   |    [NBSZ], vol. 4, no. 2, Feb. 1867, page 42 | 
 
   |    [NYC], 20 June 1868 | 
 
   |    [OSZ], vol. 1, no. 17, 1 Dec. 1872, page 130 | 
 
   |    [PDEB], 12 June 1868 | 
 
   |    [Sph], vol. 1, no. 18, 1 Jan. 1866, page 285 | 
 
   |    [SZ], vol. 18, no. 9, Sep. 1863, page 270 | 
 
   |    [SZ], vol. 18, no. 12, Dec. 1863, page 371 | 
 
   |    [SZ], vol. 19, no. 4, Apr. 1864, page 117 | 
 
   |    [SZ], vol. 20, no. 3, Mar. 1865, page 83 | 
 
   |    [SZ], vol. 21, no. 11, Nov. 1866, page 325 | 
 
   |    [SZ], vol. 22, no. 1, Jan. 1867, page 10 | 
 
   |    [SZ], vol. 23, no. 11, 1 June 1868, page 193 | 
 
   |    [SZ], vol. 24, no. 7, July 1869, page 202 | 
 
   |    [SZ], vol. 25, no. 4, Apr. 1870, page 124 | 
 
   |    [SZ], vol. 25, no. 6, June 1870, page 170 | 
 
   |    [SZ], vol. 26, no. 7, July 1871, page 204 | 
 
| Web |  
   |    Hoppe, Frank.  [Chronik des Jahres 1892] | 
 
   |    Sericano, C.  [Maestri di scacchi dell'800] | 
 
 
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