Ádám Horváth achieved his best result in 2000, in Avilés, when he won European Junior Chess Championship in U20 age group.

In 2007, he won the silver medal in the Hungarian Chess Championship, losing to Ferenc Berkes in the single-elimination tournament final.

[1] In 2015, Ádám Horváth won the Hungarian Chess Championship.

Ádám Horváth is winner of many international chess tournaments, including Paks (1998), Szentgotthárd (2001), Zalakaros (2002), Condom (2003), Harkány (2003, 2004), Balatonlelle (2004), Davos (2004), Balaguer (2005), Metz (2009).

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