Carl Ahues

Carl Oscar Ahues  (26 December 1883, Bremen – 31 December 1968, Hamburg) was a German chess International Master. 

He was Berlin champion in 1910 and shared 3rd place at the strong Berlin tournament of 1926 (Efim Bogoljubow won). He was German Champion in 1929 winning the 26th DSB Congress in Duisburg. In 1930, he took 6th in San Remo (Alexander Alekhine won), tied for 4–5th in Scarborough (Edgar Colle won), and tied for 3–5th in Liège (Savielly Tartakower won). In 1931, he tied for 2nd-4th in Berlin (Herman Steiner won), and tied for 4–6th in Swinemünde (27th DSB Congress; Efim Bogoljubow and Ludwig Roedl won). 

He was awarded the title of International Master (IM) when it was created.