| 
Event table notes
 | 
| Event data |  | 
   | Place: Philadelphia |  
   | Start date: Apr. 1893 |  
   | End date:   Apr. 1893 |  |  |  
   | Notes: |  
   | A single offhand game was played between Walbrodt and J.P. Morgan. The date was either the very end of March or the beginning of April 1893, according to Hilbert. |  |  |  |  
   | References |  | 
| Books |  
   | Hilbert, Walter Penn Shipley, page 106 |  
   | Reichhelm and Shipley, Chess in Philadelphia, page 19 |  |  |