Arthur John Mackenzie vs Oscar Conrad Mueller
London City of London CC, London ENG round 4 1904.07.28
Queen’s Gambit Declined 1-0

Emanuel Lasker vs Oscar Conrad Mueller
Exhibition game London ENG 1891.08.03
Ruy Lopez: Berlin Defense, Berlin Wall 1-0

Oscar Conrad Mueller vs James Mason
Manchester Manchester ENG round 14 1890.09.03
Queen’s Gambit Declined: Exchange Variation 0-1

William Hewison Gunston vs Oscar Conrad Mueller
Manchester Manchester ENG round 17 1890.09.05
Ruy Lopez: Berlin Defense, Berlin Wall 1-0

Oscar Conrad Mueller vs Joseph Henry Blackburne
Manchester Manchester ENG round 9 1890.08.30
Queen’s Gambit Accepted 0-1

Andrew Rowland Benedick Thomas vs Oscar Conrad Mueller
BCF-ch 17th Major Open Southport ENG round 8 1924.08.19
Queen’s Gambit Declined 1-0

Oscar Conrad Mueller vs Louis van Vliet
Manchester Manchester ENG round 7 1890.08.29
Dutch Defense: Krause Variation 1-0

Oscar Conrad Mueller vs Francis Joseph Lee
London City of London CC, London ENG round 1 1904.07.25
Queen’s Gambit Declined 1/2-1/2

Theodor von Scheve vs Oscar Conrad Mueller
Manchester Manchester ENG round 8 1890.08.29
Ruy Lopez: Old Steinitz Defense, Semi-Duras Variation 0-1