| Personal information | |
|---|---|
| Born | 13 February 1930 |
| Died | 31 October 2011 (aged 81) Bogotá, Colombia |
| Chess career | |
| Country | Colombia |
| Title | International Master (1957) |
| Peak rating | 2370 (July 1972) |
Boris de Greiff Bernal (13 February 1930 – 31 October 2011) was a Colombian chess master and writer, born in Medellín. He was the son of the Colombian poet León de Greiff.
A student at the San Bartolome Mayor School, in 1951, he won the Colombian Championship in Bogotá. In 1955, he took 16th place in Mar del Plata (Borislav Ivkov won). In 1957, he won in Caracas (zonal). In 1958, he took 20th place in Portorož (interzonal; Mikhail Tal won). In 1958, he ranked 9th in Bogotá (Oscar Panno won). In 1962, he took 18th place in Havana (1st Capablanca Memorial; Miguel Najdorf won). In 1963, he finished 20th in Havana (2nd Capablanca Memorial; Viktor Korchnoi won). In 1963, he took 7th place 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 ranked 15th in Cienfueogos (10th Capablanca Memorial; Vasily Smyslov won).
De Greiff played for Colombia in nine Chess Olympiads.
He died in Bogotá.