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Event table notes
 
 | 
| Event data |  
   | Place: Philadelphia    | 
 
   | Start date: 1862 | 
 
   | End date:   1862 | 
 
|   |  
   | Notes: | 
 
   | Hilbert gives +7-4=1 for Reichhelm in his book on Leonard, but gives +7-4=2 in Essays in American Chess History and Writings in Chess History; Reichhelm gives +7-4=2. | 
 
  |  
|   |  
   | References | 
 
| Books |  
   |    Hilbert, Essays in American Chess History, page 100 | 
 
   |    Hilbert, Tragic Life of Leonard, page 116 | 
 
   |    Hilbert, Writings in Chess History, page 388 | 
 
   |    Reichhelm and Shipley, Chess in Philadelphia, page 9 | 
 
| Web |  
   |    Spinrad, Jeremy P.  [Collected results, 1836-1863] | 
 
 
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