| 
Event table notes
 | 
| Event data |  | 
   | Place: Cologne |  
   | Start date: Apr. 1859 |  
   | End date:   Apr. 1859 |  |  |  
   | Notes: |  
   | Since stakes are mentioned in the Schachzeitung, I will take these games to be 'formal'. |  |  |  |  
   | References |  | 
| Books |  
   | Di Felice, Chess Results, 1747-1900, page 29 |  
   | Feenstra Kuiper, 100 Jahre Schachzweikämpfe, page 16 |  
   | Zavatarelli, Ignatz Kolisch, page 56 |  | Periodicals |  
   | [RiS], vol. 1, no. 19, Oct. 1859, page 151 |  
   | [SZ], vol. 14, no. 6, June 1859, page 192 |  | Web |  
   | Spinrad, Jeremy P.  [Collected results, 1836-1863] |  |  |