Walter Oswaldo Cruz was a Brazilian chess

Chess

Chess is a two-player board game played on a chessboard, a square-checkered board with 64 squares arranged in an eight-by-eight grid. It is one of the world's most popular games, played by millions of people worldwide at home, in clubs, online, by correspondence, and in tournaments.Each player...

 master.

He was six-time Brazilian Champion

Brazilian Chess Championship

The 1998 championship was held 9–19 December in Itabirito, Minas Gerais State.The field of sixteen played a series of two-game single elimination matches to determine the finalists....

 (1938, 1940, 1942, 1948, 1949, 1953) and thrice Sub-Champion (1928, 1929, 1939). He played for Brazil in the 8th Chess Olympiad

Chess Olympiad

The Chess Olympiad is a biennial chess tournament in which teams from all over the world compete against each other. The event is organised by FIDE, which selects the host nation.-Birth of the Olympiad:The first Olympiad was unofficial...

 at Buenos Aires 1939 (third board, +4 –7 =5).

He took 9th at Mar del Plata 1928 (South American Chess Championship

South American Chess Championship

The first South American Chess Championship was held in Montevideo , Uruguay, on December 25, 1921 – January 22, 1922...

, Torneo Sulamericano, Roberto Grau

Roberto Grau

Roberto Gabriel Grau was an Argentine chess master.Grau played in many Argentine championships. In 1921/22, he tied for 3rd-4th . In 1922, he tied for 2nd-3rd . In 1923/24, he tied for 2nd-4th...

 won). He won at Rio de Janeiro 1938 (Torneio Nacional de Seleção), took 7th in the Montevideo 1938 chess tournament

Montevideo 1938 chess tournament

The eighth South American Chess Championship took place in Montevideo, Uruguay, from 7th to 25th of March 1938. The event was held in an elegant seaside resort Carrasco, one of the most expensive neighborhoods in Montevideo, located on the city's southeast coast.The results and standings:...

 at Carrasco (Torneio Sulamericano, Alexander Alekhine

Alexander Alekhine

Alexander Alexandrovich Alekhine was the fourth World Chess Champion. He is often considered one of the greatest chess players ever.By the age of twenty-two, he was already among the strongest chess players in the world. During the 1920s, he won most of the tournaments in which he played...

 won).

During World War II

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

, he won at Rio de Janeiro 1940 (Torneio Nacional de Seleção), took 4th in the New York State Chess Association Championship at Hamilton 1940, tied for 7-8th at Hamilton 1941 (NYSCA, Reuben Fine

Reuben Fine

Reuben Fine was one of the strongest chess players in the world from the early 1930s through the 1940s, an International Grandmaster, psychologist, university professor, and author of many books on both chess and psychology.Fine won five medals in three chess Olympiads. Fine won the U.S...

 won), shared 3rd with Oswaldo Cruz Filho

Oswaldo Cruz Filho

Oswaldo Cruz Filho was a Brazilian chess master.He represented Brazil in 3rd unofficial Chess Olympiad at Munich 1936, in the 8th Chess Olympiad at Buenos Aires 1939 and the 10th Chess Olympiad at Helsinki 1952....

 at Rio de Janeiro 1943 (Campeonato do CXRJ, Erich Eliskases

Erich Eliskases

Erich Gottlieb Eliskases was a chess Grandmaster of the 1930s and 1940s, who represented Austria, Germany and Argentina in international competition....

 won), took 3rd at Rio de Janeiro (Quadrangular Clube Ginástico Português, Eliskases won), tied for 9-10th in the 1st Pan-American Championship

Pan American Chess Championship

The first Pan-American Championship was held in Hollywood, 28 July - 12 August 1945. The line-up was as follows: 1. Samuel Reshevsky 10.5, 2. Reuben Fine 9, 3. Herman Pilnik 8.5, 4. Israel Horowitz 8, 5. Isaac Kashdan 7, 6. Hector Rossetto 6.5, 7-8. Weaver Adams , Herman Steiner 5.5, 9-10....

 at Hollywood 1945 (Samuel Reshevsky

Samuel Reshevsky

Samuel "Sammy" Herman Reshevsky was a famous chess prodigy and later a leading American chess Grandmaster...

 won).

After the war, he tied for 3rd-4th at Rio de Janeiro 1946 (Alekhine Memorial, Eliskases won), took 3rd at Rio de Janeiro 1946 (it, Miguel Najdorf

Miguel Najdorf

Miguel Najdorf was a Polish-born Argentine chess grandmaster of Jewish origin, famous for his Najdorf Variation....

 won), took 15th at Mar del Plata 1947 (it, Najdorf won), took 3rd at Rio de Janeiro 1947 (Campeonato do CXRJ), finished 4th at Rio de Janeiro 1948 (it), won at Rio de Janeiro 1949 (Campeonato Carioca), tied for 11-13th at Mar del Plata 1949 (Hector Rossetto

Héctor Rossetto

Héctor Decio Rossetto was one of the best chess players in Argentine history.He earned the title of International Master in 1950 and the Grandmaster title in 1960....

 won), shared 12th at Rio de Janeiro 1952 (Rossetto won), took 13th at Mar del Plata / Buenos Aires 1954 (the 2nd Torneio Zonal Sulamericano, Oscar Panno

Oscar Panno

Oscar R. Panno is an Argentine chess Grandmaster.Panno won the World Junior Chess Championship in 1953, and also won the championship of Argentina the same year....

won), and took 16th at Rio de Janeiro 1957 (the 3rd Torneio Zonal Sulamericano, Panno won).

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