Óscar Ferreira
Óscar Ferreira (born 22 March 1951), is a Paraguayan chess FIDE Master (FM), four-times Paraguayan Chess Championship winner (1973, 1974, 1978, 1980). Biography
From the mid of 1970s to the mid-2000s Óscar Ferreira was one of Paraguay's leading chess players. He four times won Paraguayan Chess Championships: 1973, 1974, 1978, and 1980. Also he won silver medal in this tournament in 2001. Óscar Ferreira was participant of a number of international chess tournaments held in Latin America. Óscar Ferreira played for Paraguay in the Chess Olympiads:
 In 1976, at fourth board in the 22nd Chess Olympiad in Haifa (+5, =2, -5),
 In 1980, at second board in the 24th Chess Olympiad in La Valletta (+6, =4, -4),
 In 2000, at fourth board in the 34th Chess Olympiad in Istanbul (+3, =1, -5),
 In 2004, at first reserve board in the 36th Chess Olympiad in Calvià (+2, =6, -2). Óscar Ferreira played for Paraguay in the Pan American Team Chess Championship:
 In 1971, at third board in the 1st Panamerican Team Chess Championship in Tucuman (+3, =1, -3). References

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1951 births
Living people
Paraguayan chess players
Chess FIDE Masters
Chess Olympiad competitors
20th-century chess players
20th-century Paraguayan people