Eric Schiller vs Michael Aigner
Berkeley (People’s) Berkeley round 5 2004.02.16
Blackmar-Diemer Gambit: Netherlands Variation 0-1

Michael Aigner vs Tom Braunlich
US Championship Stillwater USA round 6 2007.05.20
Scandinavian Defense 0-1

Michael Aigner vs Robert Lee Hess
US Championship Stillwater USA round 2 2007.05.16
English Opening: Anglo-Indian Defense, Grünfeld Formation 1/2-1/2