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Event table notes
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| Event data |  | 
   | Place: Philadelphia |  
   | Start date: Mar. 1861 |  
   | End date:   Mar. 1861 |  |  |  
   | Notes: |  
   | Hilbert says that six games were played of which Leonard lost four. The result of the other two games is not known, but I guess that they were won by Leonard. |  |  |  |  
   | References |  | 
| Books |  
   | Hilbert, Tragic Life of Leonard, page 123 |  |  |