Dibyendua Barua was born in Chittagong, Bangladesh[1] from where his family migrated to Kolkata in the Indian state of West Bengal.

[2] In 1982, Barua defeated the then-world number two ranked Viktor Korchnoi in the Lloyd's Bank Tournament in London.

[3] In 1983, he became the youngest national champion, a record that was beaten by a few months by Viswanathan Anand in 1986.

[4] In the 29th Chess Olympiad in Novi Sad in 1990, Barua won the gold on the second board with a 2644 elo point performance for his second norm.

[4] He won his third and final Grandmaster norm in 1991 in the Duncan GM tournament in Kolkata.