Artur Yusupov vs Nick de Firmian
Thessaloniki Olympiad Thessaloniki GRE round 9 1984.11.28
Döry Defense 0-1

Julian Michael Hodgson vs Nick de Firmian
Biel Biel SUI round 3 1995.07.23
English Opening: Symmetrical Variation, Botvinnik System 1/2-1/2

Nick de Firmian vs Daniel Andersen
Politiken Cup Helsingor DEN round 1.13 2007.07.21
French Defense: MacCutcheon Variation 1-0

Daniel Andersen vs Nick de Firmian
Politiken Cup Copenhagen DEN round 2.59 2006.07.23
English Opening: Symmetrical Variation 0-1

Nick de Firmian vs Julio Ernesto Granda Zuniga
Amsterdam Amsterdam NED round 10 1996.08.28
Scandinavian Defense 0-1

Nick de Firmian vs Michael Rohde
USA-ch Long Beach, CA USA round 11 1989.11.??
Alekhine Defense: Modern Variation 0-1

Nick de Firmian vs Vassily Ivanchuk
World Team-ch 2nd Lucerne SUI round 2 1989.10.29
Sicilian Defense: Najdorf Variation 0-1

Nick de Firmian vs Daniel Hugo Campora
Biel Biel SUI round 13 1995.08.04
Philidor Defense 1-0

Nick de Firmian vs Emory Tate
New Jersey Open Somerset, NJ USA round 3 2001.09.02
Sicilian Defense: Classical Variation 0-1