Gustav Richard Neumann vs Joseph Henry Blackburne
Casual game Dundee SCO 1867.09.??
King’s Gambit Accepted: Greco Gambit 0-1

Samuel Rosenthal vs Gustav Richard Neumann
Paris m1 Paris round 9 1867.??.??
Ruy Lopez 0-1

Gustav Richard Neumann vs Joseph Henry Blackburne
Baden-Baden Baden-Baden GER round 3 1870.07.20
Queen’s Gambit Declined: Exchange Variation 1-0

Gustav Richard Neumann vs Louis Paulsen
Baden-Baden Baden-Baden GER round 1 1870.07.18
Dutch Defense: Queen’s Knight Variation 0-1

Gustav Richard Neumann vs Adolf Anderssen
Berlin Berlin GER 1865.??.??
Ruy Lopez 1-0

Gustav Richard Neumann vs Adolf Anderssen
Berlin Berlin GER 1866.??.??
Vienna Game 1-0

Gustav Richard Neumann vs Samuel Rosenthal
Paris Paris 1867.??.??
Ruy Lopez: Morphy Defense, Tartakower Variation 1-0