[I]n 1944, the Nazis invaded Hungary and began deporting Jews. Roman was taken to a Gestapo officer for interrogation, but when he arrived, he noticed the officer had a chess set in his room and asked him if he played.
"Roman's brother had been a Polish chess champion before the war, and the German had once played in a competition against his brother.
"The officer asked Roman if he played too, and when the Pole said he did, but not particularly well, the German replied, 'OK, let's have a game. And if you win, I will save your life.'"
Read on: Revealed - The extraordinary family who defied Hitler - and survived the Holocaust.