Carlos Maderna
Carlos Hugo Maderna (4 August 1910 – 23 January 1976) was an Argentine chess master.
He was twice Argentine Champion; in 1940 he won a match for the title against Luis Piazzini (8 : 6), then lost a match to Carlos Guimard (1 : 8) in 1941, and won the title after play-off with Jacobo Bolbochán and Heinrich Reinhardt in 1950/51.[1][2]
In 1928, he tied for 4-5th in Mar del Plata International Chess Tournament (Roberto Grau won). In 1931, he won ahead of Savielly Tartakower in Buenos Aires (Geniol it).[3] In 1934/35 he took 16th in South American Chess Championship in Buenos Aires (Piazzini won).[4] In 1938, he tied for 5-6th in Montevideo (Carrasco, Alexander Alekhine won).[5] In 1948, he won in Santa Fe.
He participated in first and second South American zonal tournaments. He took 3rd, after Erich Eliskases and Julio Bolbochán, at Mar del Plata / Buenos Aires 1951, and tied for 11-12th at Mar del Plata / Buenos Aires 1954 (Oscar Panno won).
Maderna played for Argentina in two Chess Olympiads:
- In 1928 at second board in 2nd Chess Olympiad in The Hague (+5 -5 =1);
- In 1935 at fourth board in 6th Chess Olympiad in Warsaw (+5 -4 =10).[6]