Johannes Haug vs Atle Groenn
Norwegian Championship Sarpsborg NOR round 7.6 2018.07.12
Czech Defense 1-0

John A Curdo vs Harlow Bussey Daly
Boston Metro league Boston, MA USA 1948.11.13
French Defense: Burn Variation 1-0

John Cochrane vs Bonnerjee Mohishunder
Calcutta Calcutta 1855.??.??
King’s Gambit Accepted: Becker Defense 0-1

John Cochrane vs Somacarana
Calcutta Calcutta 1856.??.??
Caro-Kann Defense 1-0

John Finan Barry vs William Ewart Napier
Cambridge Springs Cambridge Springs, PA USA round 1.2 1904.04.25
Russian Game 0-1

John Harold Belson vs Philip G Haley
Canadian Championship Saskatoon CAN round 8 1945.06.??
Blackburne Shilling Gambit 1-0

John William Brunnemer vs Willis H Failing
Correspondence game USA 1940.??.??
Sicilian Defense: Taimanov Variation, American Attack 1-0

John William Donaldson vs Jennifer Shahade
US Open Framingham, MA USA round 7 2001.08.10
English Opening: Symmetrical Variation, Anti-Benoni Variation, Geller Variation 1-0

Jonathan Penrose vs Luben S Popov
Enschede Zonal Enschede NED round 3 1963.10.07
Sicilian Defense: O’Kelly Variation 1-0

Jonathan Rowson vs Simon Kim Williams
BCF-chT 9900 (4NCL) Birmingham round 4.1 1999.11.21
Australian Defense 0-1