sentences:  He took 3rd at Budapest 1923; tied for 6-7th at Gyula 1923 (Gruber won); took 10th at Györ 1924 (HUN-ch, Géza Nagy won); tied for 6-10th at Debrecen 1925 ("Maróczy Jubiläumturnier", Hans Kmoch won); tied for 3rd-4th at Budapest 1926 (Endre Steiner won); tied for 12-14th at Budapest 1926 (1st FIDE Tournament, Ernst Grünfeld and Mario Monticelli won); tied for 2nd-4th at Budapest 1928 (HUN-ch, Árpád Vajda won); tied for 7-8th at Budapest 1928 (José Raúl Capablanca won), and won at Mezökövesd 1929 (Quadrangular).He tied for 4-5th at Budapest 1931 (HUN-ch, Lajos Steiner won); took 4th at Sopron 1934 (Rudolf Spielmann won); tied for 5-6th at Budapest 1934 (Maróczy Jubilee, Erich Eliskases won); tied for 12-14th at Budapest (Ujpest) 1934 (Andor Lilienthal won); tied for 5-6th at Tatatovaros 1935 (László Szabó won); tied for 5-7th at Budapest 1936 (HUN-ch, L. Steiner and Mieczysław Najdorf won); tied for 3rd-4th at Milan 1938 (Eliskases and Monticelli won), and tied for 4-6th at Budapest 1939 (Dori Memorial, Balla and Szabó won).Havasi played for Hungary in Chess Olympiads