Mariano Castillo Larenas (25 December 1905 – 23 September 1970) was a Chilean chess master. Over the period of 30 years, he won nine times

Chilean Chess Championship The Chilean Chess Championship is the national chess championship of Chile organised by the FENACH (Federacion Nacional de Ajedrez de Chile). In 2004–2006 there was also a championship organised by the FEDAC (Federación Deportiva de Ajedrez de C ...

(1924, 1926, 1927, 1929, 1934, 1940, 1947, 1949, and 1953). Castillo participated in several international tournaments where took 8th at Mar del Plata it 1928 (

Roberto Grau Roberto Gabriel Grau (18 March 1900 – 12 April 1944) was an Argentine chess master. He was born and died in Buenos Aires. Chess career Grau played in many Argentine championships. In 1921/22, he tied for 3rd–4th (ARG-ch 1 Mayor; Damian ...

won), tied for 6-10th at Buenos Aires 1934/35 (

South American Chess Championship The first South American Chess Championship (''Torneo Sudamericano'', ''Torneio Sulamericano'') was held in Montevideo (Carrasco), Uruguay, on December 25, 1921 – January 22, 1922. The eighteen-player single round-robin tournament was won by Rober ...

Luis Piazzini Luis Roberto (Ruben) Piazzini (11 May 1905 – 4 March 1980) was an Argentine chess master. He participated many times in Argentine championships, and was an Argentine Champion in 1933 winning ARG-ch ''Torneo Mayor'' and a match for the tit ...

won), tied for 9-10th at Mar del Plata 1936 (

Isaías Pleci Isaías Pleci (also Isaías Pléci) (27 October 1907 – 27 December 1979) was an Argentine chess Chess is a board game for two players, called White and Black, each controlling an army of chess pieces in their color, with the objective ...

won), took 6th at Aguas de Sao Pedro/São Paulo 1941 ( Erich Eliskases and Carlos Guimard won), took 3rd, behind Guimard and Miguel Najdorf, at Viña del Mar 1945, took 6th at Viña del Mar 1947 ( Gideon Ståhlberg won), tied for 14-15th at Mar del Plata 1948 (Eliskases won), tied for 15-16th at Mar del Plata 1950 ( Svetozar Gligorić won), took 9th at Venice 1950 ( Alexander Kotov won), and tied for 14-15th at Mar del Plata 1954 (zonal,

Oscar Panno Oscar Roberto Panno (born 17 March 1935 in Buenos Aires) is an Argentine chess Grandmaster. Panno was the first top world chess player born in South America. Panno won the 2nd World Junior Chess Championship in 1953, ahead of such future stron ...

won). He played twice at first board for Chile in

Chess Olympiads The Chess Olympiad is a biennial chess tournament in which teams representing nations of the world compete. FIDE organises the tournament and selects the host nation. Amidst the COVID-19 pandemic, FIDE held an Online Chess Olympiad in 2020 and ...

: * In the 8th Chess Olympiad at Buenos Aires 1939 (+2 –9 =4); * In the 9th Chess Olympiad at Dubrovnik 1950 (+3 –6 =6).OlimpBase :: the encyclopaedia of team chess
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References

External links

* http://www.chessgames.com/perl/chessplayer?pid=23455 {{DEFAULTSORT:Castillo, Mariano 1905 births 1970 deaths Chilean chess players Chess Olympiad competitors 20th-century chess players