Career
Markas Luckis played for Lithuania in five official and one unofficial Chess Olympiads. In July 1931, on reserve board at 4th Chess Olympiad in Prague (+5 –4 =6);
In July 1933, on fourth board at 5th Chess Olympiad in Folkestone (+3 –4 =1);
In August 1935, on reserve board at 6th Chess Olympiad in Warsaw (+8 –2 =6);
In August/September 1936, on fourth board at 3rd unofficial Chess Olympiad in Munich (+9 –2 =9);
In July/August 1937, on fourth board at 7th Chess Olympiad in Stockholm (+7 –1 =9);
In August/September 1939, on third board at 8th Chess Olympiad in Buenos Aires (+7 –8 =5). In September 1939, when World World War II broke out, Luckis, along with many other participants of the 8th Chess Olympiad, decided to stay permanently in Argentina.
In October 1939, he took 8th at Buenos Aires (Círculo de Ajedrez).
In 1941, he took 5th at Sao Pedro de Piracicaba. In 1941, he took 2nd, behind Eliskases, at Montevideo.
Marcos Luckis played several times in international tournaments at March del Plata. In 1942, he tied for 6-7th.
In 1946, he tied for 5-8th.
In 1947, he took 16th. In 1948, he tied for 10-12th. In 1949, he took 5th.
In 1950, he took 17th.
In 1952, he tied for 11-13 th. In 1962, he tied for 7-8th.
He also played in Argentine championships at Buenos Aires. In 1947, he took 2nd, behind Hector Rossetto.
In 1961, he took 2nd, again behind Rossetto.
In 1951, Luckis tied for 14-16th at March del Plata/Buenos Aires (1st zonal tournament for South America). In 1966, he tied for 11-13th at Buenos Aires/Río Hondo (zt). Markas Luckis vs Karel Skalička (CSR), Prague 1931, 4th Olympiad, Queen's Gambit Declined, Classical, D61, 1-0
Markas Luckis vs Arthur MacKenzie (SCO), Folkestone 1933, 5th Olympiad, King"s Indian, Fianchetto, E67, 1-0
Markas Luckis vs Moshe Czerniak (Palestine), Warsaw 1935, 6th Olympiad, Slav Defence, D11, 1-0
Markas Luckis vs Victor Kahn (FRA), Buenos Aires 1939, 8th Olympiad, Queen's Gambit Declined, Semi-Tarrasch, D41, 1-0
Mieczysław (Miguel) Najdorf vs Markas (Marcos) Luckis, Buenos Aires(Círculo de Ajedrez) 1939, Sicilian, Dragon, B72, 0-1
Marcos Luckis vs Hector Rossetto, Montevideo 1941, Grünfeld, Russian Variation, D96, 1-0
Marcos Luckis vs Gideon Stahlberg, March del Plata 1944, Sicilian, Scheveningen, B84, 1-0
Marcos Luckis vs Donald Byrne, Louisiana Plata–New York radio match 1947, King’s Indian, Classical, E94, 1-0
Francisco Benko vs Marcos Luckis, Buenos Aires 1961, ARG-ch, Caro-Kann, Panov Attack, B14, 0-1
Alberto Foguelman vs Marcos Luckis, Buenos Aires 1965, ARG-ch, Catalan, Closed, E09, 0-1.