MADRID — Baltasar Kormakur’s “The Oath,” Lee Sang-il’s “Rage” and Feng Xiaogang’s “I Am Not Madame Bovary” will compete for the 64th San Sebastian Festival’s Golden Seashell, the Festival announced Thursday. The Spanish festival also confirmed that two more first features, “Playground,” from Poland’s Bartosz M. Kowalski, and Emiliano Torres’ “The Winter,” have also made...