Oscar Castro (chess player)

Óscar Humberto Castro Rojas (8 May 1953 – 12 April 2015) was a Colombian chess International Master (IM) (1975), six times Colombian Chess Championships winner (1972–1974, 1992, 1994, 1999).

Oscar Castro (chess player)

Óscar Humberto Castro Rojas (8 May 1953 – 12 April 2015) was a Colombian chess International Master (IM) (1975), six times Colombian Chess Championships winner (1972–1974, 1992, 1994, 1999).