Ratings
| Year |
Rank |
Edo |
Dev. |
Games |
| 1869 |
284 |
1996 | (80) | 3 |
| 1870 |
284 |
2010 | (70) | 18 |
| 1871 |
281 |
2038 | (76) | 0 |
| 1872 |
263 |
2065 | (80) | 0 |
| 1873 |
241 |
2093 | (82) | 0 |
| 1874 |
218 |
2120 | (83) | 0 |
| 1875 |
207 |
2147 | (82) | 19 |
Rating table notes
|
| Biographical data |
| Name: de Con, J. Albert |
| Born: |
| Died: |
| |
| Notes: |
| Hazeltine has 'De Core' in a blindfold simultaneous exhibition by James Leonard but Hilbert identifies him as 'De Con' (in fact, misquoting Hazeltine). The 7 Apr. 1871 issue of Turf, Field and Farm gives his name as 'I.A. De Con'. |
|
| |
| References |
| Books |
| Hilbert, Tragic Life of Leonard, page 148, 151 |
| van Winsen, James Mason in America, page 366 |
| van Winsen, Mackenzie, Mason and Co. II, page 134 |
| van Winsen, Mackenzie, Mason and Co. III, page 18 |
| van Winsen, Mackenzie, Mason and Co. IV, page 22 |
| Periodicals |
| [BDE], vol. 30, no. 166, 15 July 1870, page 4 |
| [BDE], vol. 30, no. 238, 7 Oct. 1870, page 4 |
| [Era], vol. 31, no. 1591, 21 Mar. 1869, page 6 |
| [Era], vol. 33, no. 1695, 19 Mar. 1871, page 4 |
| [Era], vol. 33, no. 1698, 9 Apr. 1871, page 7 |
| [NYC], 7 Dec. 1861 |
| [NYC], 14 Mar. 1863 |
| [SoT], 13 Feb. 1869 |
| [SoT], 17 Feb. 1872 |
| [TFF], 7 Oct. 1870 |
| [TFF], 3 Feb. 1871 |
| [TFF], 7 Apr. 1871 |
| |
