<prompt> Silvino García Martínez tǝwandin 4 Kǝntawu Julybe saa 1944 shima biske chessbe Cubabe wo. Suro saa 1975 lan FIDEye sha daraja Grandmaster GM ro zuwuna. García Martínez dǝ shima kampiyon Cubabe loktu diyau 1968, 1970, 1973, 1979. Shiye kuru kampiyon Pan Americanbe suro saa 1968 lan kuru shiye medal konnube kam fal lan na chess Olympiadbe saa 1978 lan gowono.  <response>: kǝla kǝnǝngabe. 