Born in Maringá, Matsuura won the Brazilian Chess Championship in 1991 and 2016. He won the Pan American Club Championship in 1993 playing for team C. X. Joinville. By finishing 6th in the American Continental Championship in 2007, Matsuura qualified to the FIDE World Cup held later in the same year. He was eliminated from this latter competition in the first round after losing to Sergey Karjakin by 0–2. In 2018 Matsuura won the CXC Brazil Open in Curitiba. Matsuura played on the Brazilian national team at the Chess Olympiad, the Pan American Team Chess Championship, the World Youth U26 Team Chess Championship and the South American Team Chess Championship.
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- Silver, Albert (2017-03-04). "Matsuura wins second Brazilian Championship after 26 years". Chess News. ChessBase. Retrieved 2019-02-26.
- Adaucto Wanderley da Nóbrega. "Caiobá 1993 - 2° Campeonato Panamericano Interclubes". BrasilBase.
- "The Week in Chess 681". theweekinchess.com. Retrieved 2019-02-26.
- "Everaldo Matsuura is the winner in CXC Brazil Open". Chessdom. 2018-02-27. Retrieved 2019-02-27.
- Everaldo Matsuura team chess record at Olimpbase.org