Boris De Greiff

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Boris de Greiff Bernal (born 13 February 1930) is a Colombian chess master.

In 1951, he won the Colombian championship in Bogotá. In 1955, he took 16th in Mar del Plata (Borislav Ivkov won). In 1957, he won in Caracas (zonal). In 1958, he took 20th in Portoroz (interzonal; Mikhail Tal won). In 1958, he took 9th in Bogotá (Oscar Panno won). In 1962, he took 18th in Havana (1st Capablanca Memorial; Miguel Najdorf won). In 1963, he took 20th in Havana (2nd Capablanca Memorial; Viktor Korchnoi won). In 1963, he took 7th in Havana (Torneo Panamericano; Eleazar Jiménez won). In 1969, he tied for 1st-2nd with Miguel Cuéllar in Bogotá. In 1970, he tied for 8-10th in Bogotá (Henrique Mecking won). In 1973, he took 15th in Cienfueogos (10th Capablanca Memorial; Vassily Smyslov won).

Boris de Greiff played for Colombia in nine Chess Olympiads.

• In 1954, at second board in 11th Olympiad in Amsterdam (+8 –6 =4);
• In 1956, at third board in 12th Olympiad in Moscow (+7 –3 =9);
• In 1958, at third board in 13th Olympiad in Munich (+2 –2 =15);
• In 1966, at third board in 17th Olympiad in Havana (+4 –4 =8);
• In 1970, at first reserve board in 19th Olympiad in Siegen (+3 –4 =1);
• In 1972, at fourth board in 20th Olympiad in Skopje (+4 –4 =8);
• In 1974, at first reserve board in 21st Olympiad in Nice (+6 –0 =6);
• In 1976, at first reserve board in 22nd Olympiad in Haifa (+4 –0 =3);
• In 1978, at first reserve board in 23rd Olympiad in Buenos Aires (+0 –1 =2).

He won the individual gold medal at Haifa 1976, and the silver medal at Nice 1974.

He was awarded the title of International Master in 1957. He was elected an Honorary Member of FIDE in 2002.