In 1978, he ranked 4th in the European Junior Chess Championship in Groningen.
Foișor won gold (1982), silver (1985) and bronze (1987) medals in the Romanian Chess Championships.
[1] Foișor is laureate of many international chess tournaments, including winning or sharing 1st place in tournaments in Timișoara (1987), Olot, 1992), Grenoble (2003), Cannes (2007), Liège (2008), Lausanne (2008).
Married to Romanian chess grandmaster Cristina Adela Foișor (1967–2017).
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