Torbjorn Ringdal Hansen vs Jon Ludvig Hammer
Arctic Chess Challenge Tromso NOR round 3 2009.08.03
English Opening: Four Knights System, Nimzowitsch Variation 1/2-1/2

Jon Ludvig Hammer vs Magnus Carlsen
Norwegian Youth Ch Group E Porsgrunn NOR round 6 2000.11.26
Dutch Defense: Krause Variation 1-0

Robert Bergersen vs Jon Ludvig Hammer
Midnight Sun Chess Challenge Tromso NOR round 1 2006.06.24
Caro-Kann Defense: Euwe Attack, Prins Gambit 1/2-1/2

Jon Ludvig Hammer vs Lars Oskar Hauge
Norwegian Championship Sarpsborg NOR round 1 2018.07.06
Colle System: Rhamphorhynchus Variation 1-0

Brede Kvisvik vs Jon Ludvig Hammer
Open NOR-ch Junior Oslo NOR round 1 2001.04.07
French Defense: Tarrasch Variation, Chistyakov Defense 1-0

Jon Ludvig Hammer vs Marcin Krzyzanowski
World Junior Championship Chotowa POL round 1 2010.08.03
Old Indian Defense 1/2-1/2

Jon Ludvig Hammer vs Peter Svidler
FIDE Grand Prix Mallorca Palma de Mallorca ESP round 3.5 2017.11.18
Sicilian Defense: Canal Attack, Dorfman Gambit 0-1

Leif Erlend Johannessen vs Jon Ludvig Hammer
Midnight Sun Chess Challenge Tromso NOR round 5 2006.06.28
Slav Defense: Alekhine Variation 1-0

Jon Ludvig Hammer vs Maria Pitz Jacobsen
Arctic Chess Challenge Tromso NOR round 1 2007.08.04
Italian Game: Giuoco Piano 1-0

Bjarke Barth Sahl vs Jon Ludvig Hammer
Norwegian Championship Moss NOR round 2 2006.07.09
King’s Gambit 1/2-1/2