Cerdas Barus
Cerdas Barus is an Indonesian deaf chess grandmaster.
He has won the Indonesian Chess Championship three times. In 2002, he came second at Surabaya. In 2011 he won the Telin Chess International Tournament in Jakarta. In December 2015 he participated at the Penang Open tournament in Malaysia with 119 players; he became shared 11th with 6 points out of 9 rounds.
He played for Indonesia in the Chess Olympiads of 1984, 1988, 1990, 1994, 1996, 2000 and 2002.