Portuguese Opening bishop with 2...c6. The game might continue 3.Ba4 Nf6 and now White can play 4.Nc3 or 4.Qe2. Graham Burgess remarks that it looks like a Ruy Lopez where White has forgotten to play 2.Nf3. However, the Portuguese is not as bad or nonsensical as it first appears, and Black should proceed carefully. Portuguese Opening The Portuguese Opening is a chess opening that begins with the moves: The Portuguese is an uncommon opening. In contrast to the Ruy Lopez (1.e4 e5 2.Nf3 Nc6 3.Bb5), by delaying Nf3, White leaves the f-pawn free to move and retains the possibility of playing f2–f4.
World Chess Championship 2013 that yield counterplay and make an exchange of rooks acceptable. After 60.Ra4, Carlsen's pawn sacrifice 60...h3 turned his f-pawn into a decisive passed pawn, and Anand resigned a few moves later. In the opening, Anand exchanged his bishop for a knight, which led to a structure similar to that of the Exchange Variation of the Ruy Lopez where Black has doubled pawns. Carlsen defended accurately, and after further exchanges the two players settled for a repetition of moves around move 30. Carlsen opted for 1.e4 for the first time in the match and the game developed into a Ruy Lopez,