Fischer defeats Najdorf playing the Najdorf

Miguel Najdorf born in Grodzisk Mazowiecki near Warsaw, Poland, April 15, 1910 – died in Málaga, Spain, July 4, 1997) was a Polish-born Argentine chess grandmaster, famous for his Najdorf Variation. He also made major contributions to the theory of the Kings Indian Defense.

At age 20 he became a Polish national master.  In 1939 WW 2 broke out while he was playing at the Buenos Aires OL for Poland for the fourth time. Najdorf remained in Argentina and became a citizen in 1944. His family, left behind, perished in Nazi death camps. Najdorf took eleven Olympic medals: seven for teams Poland and Argentina (four silver, three bronze), and four individuals (gold in 1939, 1950, and 1952, as well as one silver in 1962).

Najdorf's string of successes from 1939 to 1947 had raised him into the ranks of the world's top players. According to Chessmetrics, he was ranked second in the world from mid 1947 to mid 1949. Despite his strong results, Najdorf was not invited to the 1948 World Championship tournament as a replacement for Reuben Fine.  

 In 1943 he set a record  by playing 202 games in a simultaneous exhibition (+182 -8 =12). He won the Argentina CH 8 times and in 1947 set a  record by playing 45 blindfold games simultaneously (+39 -2 =4) He was one of the 27 original GMs to be given the title by FIDE in 1950, along with his mentor Savielly Tartakower. Najdorf was not a full-time chess player and had another career as a very successful businessman in Argentina. His lifetime record vs Fischer is +1 -4 =4

 https://en.wikipedia.org/wiki/Miguel_Najdorf