Lennart Ljungqvist was multiple participant in Swedish Chess Championships (1962, 1968, 1969, 1970, 1971, 1973, 1974). In 1961, in Mariánské Lázně he participated in FIDE European Zonal tournament.[1]
Lennart Ljungqvist played for Sweden in the Chess Olympiads:[2]
Lennart Ljungqvist played for Sweden in the European Team Chess Championship preliminaries:[3]
- In 1970, at eight board in the 4th European Team Chess Championship preliminaries (+1, =3, -2).
Lennart Ljungqvist played for Sweden in the Nordic Chess Cup:[4]
- In 1970, at sixth board (+0, =1, -2) and won team silver medal.
Lennart Ljungqvist played for Sweden in the World Student Team Chess Championships:[5]
- In 1954, at second board in the 1st World Student Team Chess Championship in Oslo (+1, =1, -4),
- In 1955, at second board in the 2nd World Student Team Chess Championship in Lyon (+1, =0, -7).
