Johann Hjartarson vs Valery Kazakouski
23rd European Teams Terme Catez SLO round 3.17 2021.11.14
Queen’s Gambit Declined: Ragozin Defense 1/2-1/2

Johannes Hendrik Otto van den Bosch vs Max Euwe
Amsterdam Amsterdam NED round 3 1936.10.??
Sicilian Defense: Closed 0-1

Johannes Metger vs Arved Heinrichsen
Berlin Berlin GER 1896.08.??
Vienna Game 0-1

Johannes Metger vs Max Weiss
Frankfurt Frankfurt am Main GER round 5 1887.07.20
Ruy Lopez: Open 1/2-1/2

Johannes Zukertort vs Joseph Henry Blackburne
Blackburne - Zukertort London ENG round 8 1887.05.24
Amazon Attack 1/2-1/2

Johannes Zukertort vs Vincenz Hruby
Vienna Vienna AUH round 1 1882.05.10
English Opening: Agincourt Defense 1-0

John A Hudson vs Dale Ruth
57th US Open Oklahoma City, OK USA round 1 1956.07.16
Ruy Lopez: Morphy Defense, Tartakower Variation 0-1

John Alan Grefe vs Lawrence C Gilden
US Championship Chicago, IL USA round 12 1974.07.30
Ruy Lopez: Exchange Variation, Alapin Gambit 1-0

John Bartholomew vs Todd D Andrews
United States Chess League Internet Chess Club round 6 2008.10.01
Benoni Defense: Benoni Gambit Accepted 0-1

John Cochrane vs Bonnerjee Mohishunder
Calcutta Calcutta 1850.??.??
Russian Game 1-0