Kammala jumla mai zuwa: A cikin 1927, ƙalubalen Alekhine ga Capablanca ya sami goyon baya daga ƙungiyar 'yan kasuwar Argentina da shugaban Argentina, wanda ya ba da tabbacin kuɗin, kuma Club Argentino de Ajedrez (Club Chess Argentine) a Buenos Aires ya shirya shi. A wasan Gasar Cin Kofin Duniya da aka buga daga Satumba zuwa Nuwamba 1927 a Buenos Aires, Alekhine ya lashe taken, inda ya ci +6−3=25. Wannan shi ne wasan da ya fi tsayi a gasar cin kofin duniya har sai da
gasar a 1984 tsakanin Anatoly Karpov da Garry Kasparov. Nasarar Alekhine ta mamaye kusan dukkanin duniyar chess, tunda bai taɓa cin nasara daga Capablanca ba. Bayan mutuwar Capablanca, Alekhine ya nuna mamakin nasarar da ya samu, tun a 1927 bai yi tunanin cewa ya fi Capablanca ba, kuma ya ba da shawarar cewa Capablanca ya yi alfahari da kansa. Capablanca ya shiga wasan ba tare da wani shiri na fasaha ko na jiki ba, yayin da Alekhine ya sami kansa cikin kyakkyawan yanayin jiki kuma ya yi nazarin wasan Capablanca sosai. A cewar Kasparov, binciken Alekhine ya gano ƙananan ƙananan kuskure, wanda ya faru ne saboda Capablanca bai yarda ya mayar da hankali sosai ba. Vladimir Kramnik ya yi sharhi cewa wannan shi ne karo na farko da Capablanca ba shi da nasara mai sauƙi.