Bukavshin,I vs Vitiugov,N
21st TCh-RUS 2014 Loo RUS6.3 2014.04.12
Nimzo-Indian Defense: Three Knights Variation, Duchamp Variation 0-1

Sjugirov,S vs Karjakin,Sergey
21st TCh-RUS 2014 Loo RUS1.1 2014.04.07
Nimzo-Indian Defense: Three Knights Variation, Duchamp Variation 0-1

Nebojsa Nikcevic vs Nenad Aleksic
YUG-chT FL Arandjelovac round 6 1990.??.??
Nimzo-Indian Defense: Three Knights Variation, Duchamp Variation 1/2-1/2

Daria Vanduyfhuys vs Boldbaatar Altantuya
World Junior Championship (Girls) Tarvisio ITA round 9.37 2017.11.22
Nimzo-Indian Defense: Three Knights Variation, Duchamp Variation 0-1

Manuel Abarca Aguirre vs Julio Ernesto Granda Zuniga
Villa Gesell tt Villa Gesell round 1 1985.??.??
Nimzo-Indian Defense: Three Knights Variation, Duchamp Variation 0-1

Boris Spassky vs Lev Polugaevsky
USSR Championship 1961a Moscow URS round 10 1961.01.26
Nimzo-Indian Defense: Three Knights Variation, Duchamp Variation 0-1

Martin Gateri vs Mateus Felizardo Viageiro Alice
Chess Olympiad Tromso NOR round 4.65 2014.08.05
Nimzo-Indian Defense: Three Knights Variation, Duchamp Variation 0-1

Alexander Grischuk vs Sergey Karjakin
SportAccord World Mind Games (Men, Blitz) Beijing CHN round 1.6 2013.12.14
Nimzo-Indian Defense: Three Knights Variation, Duchamp Variation 1-0

Michal Popiol vs Igor Janik
Najdorf Memorial Open A Warsaw POL round 1.16 2019.07.06
Nimzo-Indian Defense: Three Knights Variation, Duchamp Variation 0-1

Garry Kasparov vs Enver Bukic
Banja Luka Banja Luka YUG round 9 1979.04.??
Nimzo-Indian Defense: Three Knights Variation, Duchamp Variation 1-0