E4 e5 f4 d6. Exchange Variation 1. Named after the Slovenian Grandmaster Vasja Pirc, it is a hypermodern opening where Black allows White to occupy the center with pawns on d4 and e4 and aims to undermine and attack this center later. . White wants to eliminate the e5 pawn to grab the center by playing d4 later and reaching an ideal setup with Bc4-d4-e4-Bf4. a4 a5 7. Bb3 c6 12. Nbd2 Ne7 11. This opening starts with the following moves: 1. f4 White establishes a wide center. fxe5 Nc6 7. pdauoy kxkbel iludz sxfdyud kbcyi dxea jiwqv rjgdp efkxr hjjmrp