<prompt> Bhala ukuqhubeka kwalesi sigaba - USilvino García Martínez owazalwa ngoJulayi 4, 1944 ungumdlali we-chess waseCuba. Wanikezwa isihloko se-Grandmaster GM yi-FIDE ngo-1975. UGarcía Martínez ungumdlali wamazwe amane waseCuba 1968, 1970, 1973, 1979. Wabuye waba ngumpetha wePan American ngo-1968 futhi wathola indondo yethusi emidlalweni yama-Olympic Chess ngo-1978  <response>: . futhi. 