From the begin of 1960s to the mid-1970s, Eduardo Pérez Gonsalves was one of Spain's leading chess players. He has won four medals at the Spanish Team Chess Championships with Barcelona chess clubs: gold (1967), silver (1975) and two bronze (1964, 1969).[2]
Eduardo Pérez Gonsalves played for Spain in the Chess Olympiads:[3]
Eduardo Pérez Gonsalves played for Spain in the European Team Chess Championship preliminaries:[4]
- In 1961, at reserve board in the 2nd European Team Chess Championship preliminaries (+1, =1, -2),
- In 1965, at reserve board in the 3rd European Team Chess Championship preliminaries (+2, =0, -0),
- In 1970, at reserve board in the 4th European Team Chess Championship preliminaries (+1, =0, -0),
- In 1973, at sixth board in the 5th European Team Chess Championship preliminaries (+1, =1, -0).
Eduardo Pérez Gonsalves played for Spain in the European Team Chess Championships:[5]
- In 1961, at ninth board in the 2nd European Team Chess Championship in Oberhausen (+1, =1, -4),
- In 1970, at ninth board in the 4th European Team Chess Championship in Kapfenberg (+0, =3, -3).
Eduardo Pérez Gonsalves played for Spain in the Clare Benedict Cup:[6]
- In 1966, at reserve board in the 13th Clare Benedict Chess Cup in Brunnen (+0, =1, -0) and won team silver medal.
